EXHIBIT 4.1 
                               ACQUISITION CORP.,

                                    as Issuer

                                       and

                       STATE STREET BANK AND TRUST COMPANY

                                   as Trustee

                            -------------------------

                                    INDENTURE

                          Dated as of January 29, 1998

                             ----------------------


                               up to $150,000,000

                12% Senior Subordinated Notes due 2008, Series A

                12% Senior Subordinated Notes due 2008, Series B

 
                              CROSS-REFERENCE TABLE

  TIA                                                        Indenture
Section                                                       Section

   310(a)(1)...................................................7.10
      (a)(2)...................................................7.10
      (a)(3)...................................................N.A.
      (a)(4)...................................................N.A.
      (a)(5)...................................................7.10; 7.11
      (b)......................................................7.08; 7.10; 11.02
      (c)......................................................N.A.
   311(a)......................................................7.11
      (b)......................................................7.11
      (c)......................................................N.A.
   312(a)......................................................2.05
      (b).....................................................11.03
      (c).....................................................11.03
   313(a)......................................................7.06
      (b)(1)...................................................7.06
      (b)(2)...................................................7.06
      (c)......................................................7.06; 11.02
      (d)......................................................7.06
   314(a)......................................................4.06; 4.08; 11.02
      (b)......................................................N.A.
      (c)(1)...................................................7.02; 11.04
      (c)(2)...................................................7.02; 11.04
      (c)(3)...................................................N.A.
      (d)......................................................N.A.
      (e).....................................................11.05
      (f)......................................................N.A.
   315(a)......................................................7.01(b)
      (b)......................................................7.05; 11.02
      (c)......................................................7.01(a)
      (d)......................................................6.05; 7.01(c)
      (e)......................................................6.11
316(a)(last sentence)..........................................2.09
      (a)(1)(A)................................................6.05
      (a)(1)(B)................................................6.04
      (a)(2)...................................................N.A.
      (b)......................................................6.07
      (c)......................................................9.05
317(a)(1)......................................................6.08
      (a)(2)...................................................6.09
      (b)......................................................2.04
   318(a).....................................................11.01
      (c).....................................................11.01
- ----------------------
N.A. means Not Applicable

NOTE:  This Cross-Reference Table shall not, for any purpose, be deemed to be a
       part of the Indenture.


                                      -i-

 
                                                                      Page

                                TABLE OF CONTENTS
                                      Page

                                   ARTICLE ONE
                   DEFINITIONS AND INCORPORATION BY REFERENCE

SECTION 1.01.  Definitions....................................................1
SECTION 1.02.  Incorporation by Reference of TIA.............................32
SECTION 1.03.  Rules of Construction.........................................32

                                   ARTICLE TWO
                                    THE NOTES

SECTION 2.01.  Form and Dating...............................................33
SECTION 2.02.  Execution and Authentication; Aggregate Principal Amount......34
SECTION 2.03.  Registrar and Paying Agent....................................36
SECTION 2.04.  Paying Agent To Hold Assets in Trust..........................36
SECTION 2.05.  Holder Lists..................................................37
SECTION 2.06.  Transfer and Exchange.........................................37
SECTION 2.07.  Replacement Notes.............................................38
SECTION 2.08.  Outstanding Notes.............................................38
SECTION 2.09.  Treasury Notes................................................39
SECTION 2.10.  Temporary Notes...............................................39
SECTION 2.11.  Cancellation..................................................40
SECTION 2.12.  Defaulted Interest............................................40
SECTION 2.13.  CUSIP Number..................................................41
SECTION 2.14.  Deposit of Monies.............................................41
SECTION 2.15.  Restrictive Legends...........................................42
SECTION 2.16.  Book-Entry Provisions for Global Security.....................42
SECTION 2.17.  Special Transfer Provisions...................................44
SECTION 2.18.  Liquidated Damages Under Registration Rights Agreement........47

                                  ARTICLE THREE
                                   REDEMPTION

SECTION 3.01.  Notices to Trustee............................................47
SECTION 3.02.  Selection of Notes To Be Redeemed.............................48
SECTION 3.03.  Optional Redemption...........................................48
SECTION 3.04.  Notice of Redemption..........................................49
SECTION 3.05.  Effect of Notice of Redemption................................50
SECTION 3.06.  Deposit of Redemption Price............................/......51
SECTION 3.07.  Notes Redeemed in Part........................................51


                                      -ii-

 
SECTION 3.08. Special Redemption Provisions Prior to Effectiveness of
 the Merger..................................................................51

                                  ARTICLE FOUR
                                    COVENANTS

SECTION 4.01.  Payment of Notes..............................................52
SECTION 4.02.  Maintenance of Office or Agency...............................52
SECTION 4.03.  Corporate Existence...........................................52
SECTION 4.04.  Payment of Taxes and Other Claims.............................53
SECTION 4.05.  Maintenance of Properties and Insurance.......................53
SECTION 4.06.  Compliance Certificate; Notice of Default.....................54
SECTION 4.07.  Compliance with Laws..........................................55
SECTION 4.08.  Reports to Holders............................................55
SECTION 4.09.  Waiver of Stay, Extension or Usury Laws.......................55
SECTION 4.10.  Limitation on Restricted Payments.............................56
SECTION 4.11.  Limitation on Transactions with Affiliates....................59
SECTION 4.12.  Limitation on Incurrence of Additional Indebtedness...........60
SECTION 4.13.  Limitation on Dividend and Other Payment Restrictions
 Affecting Subsidiaries......................................................61
SECTION 4.14.  [Intentionally Omitted].......................................62
SECTION 4.15.  Change of Control.............................................62
SECTION 4.16.  Limitation on Asset Sales.....................................65
SECTION 4.17.  Limitation on Preferred Stock of Subsidiaries.................69
SECTION 4.18.  Limitation on Liens...........................................69
SECTION 4.19.  Conduct of Business...........................................70
SECTION 4.20.  Additional Subsidiary Guarantees..............................70
SECTION 4.21. Prohibition on Incurrence of Senior Subordinated Debt..........71
SECTION 4.22. Special Covenants Prior to Effectiveness of the Merger.........71
SECTION 4.23. Certain Net Proceeds to be Held by the Trustee.................72
SECTION 4.24. Guarantees of Certain Indebtedness.............................73

                                  ARTICLE FIVE
                              SUCCESSOR CORPORATION

SECTION 5.01.  Merger, Consolidation and Sale of Assets......................74
SECTION 5.02.  Successor Corporation Substituted.............................76


                                     -iii-

 
                                   ARTICLE SIX
                                    REMEDIES

SECTION 6.01.  Events of Default.............................................76
SECTION 6.02.  Acceleration..................................................78
SECTION 6.03.  Other Remedies................................................79
SECTION 6.04.  Waiver of Past Defaults.......................................80
SECTION 6.05.  Control by Majority...........................................80
SECTION 6.06.  Limitation on Suits...........................................80
SECTION 6.07.  Right of Holders To Receive Payment...........................81
SECTION 6.08.  Collection Suit by Trustee....................................81
SECTION 6.09.  Trustee May File Proofs of Claim..............................82
SECTION 6.10.  Priorities....................................................82
SECTION 6.11.  Undertaking for Costs.........................................83
SECTION 6.12.  Restoration of Rights and Remedies............................83

                                  ARTICLE SEVEN
                                     TRUSTEE

SECTION 7.01.  Duties of Trustee.............................................83
SECTION 7.02.  Rights of Trustee.............................................85
SECTION 7.03.  Individual Rights of Trustee..................................86
SECTION 7.04.  Trustee's Disclaimer..........................................86
SECTION 7.05.  Notice of Default.............................................87
SECTION 7.06.  Reports by Trustee to Holders.................................87
SECTION 7.07.  Compensation and Indemnity....................................88
SECTION 7.08.  Replacement of Trustee........................................89
SECTION 7.09.  Successor Trustee by Merger, Etc..............................90
SECTION 7.10.  Eligibility; Disqualification.................................90
SECTION 7.11.  Preferential Collection of Claims Against the Company.........91

                                  ARTICLE EIGHT
                       DISCHARGE OF INDENTURE; DEFEASANCE

SECTION 8.01.  Termination of Company's Obligations..........................91
SECTION 8.02.  Application of Trust Money....................................94
SECTION 8.03.  Repayment to the Company......................................94
SECTION 8.04.  Reinstatement.................................................95
SECTION 8.05.  Acknowledgment of Discharge by Trustee........................95

                                  ARTICLE NINE
                          MODIFICATION OF THE INDENTURE

SECTION 9.01.  Without Consent of Holders....................................96
SECTION 9.02.  With Consent of Holders.......................................96
SECTION 9.03.  Effect on Senior Indebtedness and Guarantor Senior
 Indebtedness................................................................97


                                      -iv-

 
SECTION 9.04.  Compliance with TIA...........................................97
SECTION 9.05.  Revocation and Effect of Consents.............................98
SECTION 9.06.  Notation on or Exchange of Notes..............................98
SECTION 9.07.  Trustee To Sign Amendments, Etc...............................99

                                   ARTICLE TEN
                                  SUBORDINATION

SECTION 10.01. Notes Subordinated to Senior Indebtedness Upon
 Effectiveness of the Merger.................................................99
SECTION 10.02. Suspension of Payment When Senior Indebtedness
 is in Default..............................................................100
SECTION 10.03. Notes Subordinated to Prior Payment of All Senior
 Indebtedness on Dissolution, Liquidation or Reorganization of Company......101
SECTION 10.04. Holders To Be Subrogated to Rights of Holders of
 Senior Indebtedness........................................................103
SECTION 10.05. Obligations of the Company Unconditional.....................103
SECTION 10.06. Trustee Entitled to Assume Payments Not
 Prohibited in Absence of Notice............................................105
SECTION 10.07. Application by Trustee of Assets Deposited with It...........105
SECTION 10.08. No Waiver of Subordination Provisions........................106
SECTION 10.09. Holders Authorize Trustee To Effectuate
 Subordination of Notes.....................................................106
SECTION 10.10. Right of Trustee to Hold Senior Indebtedness.................107
SECTION 10.11. This Article Ten Not To Prevent Events of Default............107
SECTION 10.12. No Fiduciary Duty of Trustee to Holders of Senior
 Indebtedness...............................................................108

                                 ARTICLE ELEVEN
                                  MISCELLANEOUS

SECTION 11.01.  TIA Controls................................................108
SECTION 11.02.  Notices.....................................................108
SECTION 11.03.  Communications by Holders with Other Holders................109
SECTION 11.04.  Certificate and Opinion as to Conditions Precedent..........110
SECTION 11.05.  Statements Required in Certificate or Opinion...............110
SECTION 11.06.  Rules by Trustee, Paying Agent, Registrar...................111


                                      -v-

 
SECTION 11.07.  Legal Holidays..............................................111
SECTION 11.08.  Governing Law...............................................111
SECTION 11.09.  No Adverse Interpretation of Other Agreements...............111
SECTION 11.10.  No Personal Liability.......................................111
SECTION 11.11.  Successors..................................................112
SECTION 11.12.  Duplicate Originals.........................................112
SECTION 11.13.  Severability................................................112

                                 ARTICLE TWELVE
                               GUARANTEE OF NOTES

SECTION 12.01.  Unconditional Guarantee.....................................112
SECTION 12.02.  Limitations on Guarantees...................................114
SECTION 12.03.  Execution and Delivery of Guarantee.........................115
SECTION 12.04.  Release of a Subsidiary Guarantor...........................115
SECTION 12.05.  Waiver of Subrogation.......................................116
SECTION 12.06.  No Set-Off..................................................117
SECTION 12.07.  Obligations Absolute........................................117
SECTION 12.08.  Obligations Continuing......................................118
SECTION 12.09.  Obligations Not Reduced.....................................118
SECTION 12.10.  Obligations Reinstated......................................118
SECTION 12.11.  Obligations Not Affected....................................119
SECTION 12.12.  Waiver......................................................120
SECTION 12.13.  No Obligation To Take Action Against the Company............120
SECTION 12.14.  Dealing with the Company and Others.........................121
SECTION 12.15.  Default and Enforcement.....................................121
SECTION 12.16.  Amendment, Etc..............................................122
SECTION 12.17.  Acknowledgment..............................................122
SECTION 12.18.  Costs and Expenses..........................................122
SECTION 12.19.  No Merger or Waiver; Cumulative Remedies....................122
SECTION 12.20.  [Intentionally omitted].....................................122
SECTION 12.21.  Guarantee in Addition to Other Obligations..................123
SECTION 12.22.  Severability................................................123
SECTION 12.23.  Successors and Assigns......................................123

                                ARTICLE THIRTEEN
                           SUBORDINATION OF GUARANTEE

SECTION 13.01.  Obligations of Guarantors Subordinated to Guarantor
 Senior Indebtedness........................................................123
SECTION 13.02.  Suspension of Guarantee Obligations When Guarantor
 Senior Indebtedness is in Default..........................................124


                                      -vi-

 
SECTION 13.03.  Guarantee Obligations Subordinated to Prior Payment
 of All Guarantor Senior Indebtedness on Dissolution, Liquidation or
 Reorganization of Such Subsidiary Guarantor................................126
SECTION 13.04.  Holders of Guarantee Obligations To Be Subrogated to
 Rights of Holders of Guarantor Senior Indebtedness.........................127
SECTION 13.05.  Obligations of the Subsidiary Guarantors'
 Unconditional..............................................................128
SECTION 13.06.  Trustee Entitled To Assume Payments Not Prohibited
 in Absence of Notice.......................................................130
SECTION 13.07.  Application by Trustee of Assets Deposited with It..........130
SECTION 13.08.  No Waiver of Subordination Provisions.......................131
SECTION 13.09.  Holders Authorize Trustee To Effectuate Subordination
 of Guarantee Obligations...................................................131
SECTION 13.10.  Right of Trustee to Hold Guarantor Senior Indebtedness......132
SECTION 13.11.  No Suspension of Remedies...................................132
SECTION 13.12.  No Fiduciary Duty of Trustee to Holders of Guarantor
 Senior Indebtedness........................................................133

SIGNATURES..................................................................S-1

EXHIBIT A -           Form of Series A Note.................................A-1
Exhibit B -           Form of Series B Note.................................B-1
Exhibit C -           Form of Legend for Global Notes.......................C-1
Exhibit D -           Form of Certificate To Be Delivered 
                      in Connection with Transfers to Non-QIB
                      Accredited Investors..................................D-1
Exhibit E -           Form of Certificate To Be Delivered in
                      Connection with Transfers  Pursuant to
                      Regulation S..........................................E-1
Exhibit F -           Form of Guarantee.....................................F-1


                                     -vii-

 
                  INDENTURE, dated as of January 29, 1998, among Acquisition
Corp., a Delaware corporation (the "Company") and State Street Bank and Trust
Company, as Trustee (the "Trustee").

                  The Company has duly authorized the creation of an issue of
12% Senior Subordinated Notes due 2008, Series A, and 12% Senior Subordinated
Notes due 2008, Series B, to be issued in exchange for the 12% Senior
Subordinated Notes due 2008, Series A, pursuant to the Registration Rights
Agreement (as defined herein) and, to provide therefor, the Company has duly
authorized the execution and delivery of this Indenture. All things necessary to
make the Notes (as defined), when duly issued and executed by the Company, and
authenticated and delivered hereunder, the valid obligations of the Company, and
to make this Indenture a valid and binding agreement of the Company, have been
done.

                  Each party hereto agrees as follows for the benefit of the
other parties and for the equal and ratable benefit of the Holders (as defined)
of the Company's 12% Senior Subordinated Notes due 2008, Series A and Series B.


                                   ARTICLE ONE

                   DEFINITIONS AND INCORPORATION BY REFERENCE


                  SECTION 1.01. Definitions.

                  "Acquired Indebtedness" means Indebtedness of a Person or any
of its Subsidiaries existing at the time such Person becomes a Subsidiary of
such Person or at the time it merges or consolidates with such Person or any of
its Subsidiaries or assumed in connection with the acquisition of assets from
such Person, and in each case not incurred by such Person in connection with, or
in anticipation or contemplation of, such Person becoming a Subsidiary of such
Person or such acquisition, merger or consolidation.

                  "Additional Interest" shall have the meaning set forth in the
Registration Rights Agreement.

                  "Affiliate" means, with respect to any specified Person, any
other Person who directly or indirectly through one or more intermediaries
controls, or is controlled by, or is under common control with, such specified
Person. The term "control" means the possession, directly or indirectly, of the
power to

 
                                      -2-


direct or cause the direction of the management and policies of a Person,
whether through the ownership of voting securities, by contract or otherwise;
and the terms "controlling" and "controlled" have meanings correlative of the
foregoing.

                  "Affiliate Transaction" has the meaning provided in Section
4.11.

                  "Agent" means any Registrar, Paying Agent or co-Registrar.

                  "Agent Members" has the meaning provided in Section 2.16.

                  "Asset Acquisition" means (a) an Investment by the Company or
any Subsidiary of the Company in any other Person pursuant to which such Person
shall become a Subsidiary of the Company or any Subsidiary of the Company, or
shall be merged with or into the Company or any Subsidiary of the Company, or
(b) the acquisition by the Company or any Subsidiary of the Company of the
assets of any Person (other than a Subsidiary of the Company) which constitute
all or substantially all of the assets of such Person or comprises any division
or line of business of such Person or any other properties or assets of such
Person other than in the ordinary course of business.

                  "Asset Sale" means any direct or indirect sale, issuance,
conveyance, transfer, lease (other than operating leases entered into in the
ordinary course of business), assignment or other transfer for value by the
Company or any of its Subsidiaries (including any Sale and Leaseback
Transaction) to any Person other than the Company or a Wholly Owned Subsidiary
of the Company of (a) any Capital Stock of any Subsidiary of the Company; or (b)
any other property or assets of the Company or any Subsidiary of the Company
other than in the ordinary course of business; provided, however, that Asset
Sales shall not include (i) any transaction or series of related transactions
for which the Company or its Subsidiaries receive aggregate consideration of
less than $3.0 million in any consecutive 12-month period, (ii) the sale, lease,
conveyance, disposition or other transfer of all or substantially all of the
assets of the Company as permitted under Section 5.01 or any disposition that
constitutes a Change of Control, (iii) disposals or replacements of obsolete or
outdated equipment in the ordinary course of business, (iv) the sale or
discount, in each case without recourse (other than recourse for a breach of a
representation or warranty), of accounts receivable arising in the ordinary
course of business, but only in connection with the compromise

 
                                      -3-


or collection thereof in the ordinary course of business and not as part of a
financing transaction, and (v) the sale, lease, conveyance, disposition or other
transfer by the Company or any Subsidiary of the Company of assets or property
to one or more Wholly Owned Subsidiaries of the Company in connection with
Investments permitted under Section 4.10.

                  "ATC" means ATC Group Services Inc., a Delaware corporation.

                  "Authenticating Agent" has the meaning provided in Section
2.02.

                  "Bankruptcy Law" means Title 11, U.S. Code or any similar
federal, state or foreign law for the relief of debtors.

                  "Blockage Period" has the meaning provided in Section 10.02.

                  "Board of Directors" means, as to any Person, the board of
directors of such Person or any duly authorized committee thereof.

                  "Board Resolution" means, with respect to any Person, a copy
of a resolution certified by the Secretary or an Assistant Secretary of such
Person to have been duly adopted by the Board of Directors of such Person and to
be in full force and effect on the date of such certification, and delivered to
the Trustee.

                  "Business Day" means any day other than a Saturday, Sunday or
any other day on which banking institutions in the city of New York or the city
in which the principal office of the Trustee is located are required or
authorized by law or other governmental action to be closed.

                  "Capitalized Lease Obligation" means, as to any Person, the
obligations of such Person under a lease that are required to be classified and
accounted for as capital lease obligations under GAAP and, for purposes of this
definition, the amount of such obligations at any date shall be the capitalized
amount of such obligations at such date, determined in accordance with GAAP.

                  "Capital Stock" means (i) with respect to any Person that is a
corporation, any and all shares, interests, participations or other equivalents
(however designated and whether voting or nonvoting) of corporate stock,
including each class

 
                                      -4-


of Common Stock and Preferred Stock of such Person and (ii) with respect to any
Person that is not a corporation, any and all partnership or other equity
interests of such Person.

                  "Cash Equivalents" means (i) marketable direct obligations
issued by, or unconditionally guaranteed by, the United States Government or
issued by any agency thereof and backed by the full faith and credit of the
United States, in each case maturing within one year from the date of
acquisition thereof; (ii) marketable direct obligations issued by any state of
the United States of America or any political subdivision of any such state or
any public instrumentality thereof maturing within one year from the date of
acquisition thereof and, at the time of acquisition, having one of the two
highest ratings obtainable from either Standard & Poor's Corporation ("S&P") or
Moody's Investors Service, Inc. ("Moody's"); (iii) commercial paper maturing no
more than one year from the date of creation thereof and, at the time of
acquisition, having a rating of at least A-1 from S&P or at least P-1 from
Moody's; (iv) certificates of deposit or bankers' acceptances maturing within
one year from the date of acquisition thereof issued by any bank organized under
the laws of the United States of America or any state thereof or the District of
Columbia or any U.S. branch of a foreign bank having at the date of acquisition
thereof combined capital and surplus of not less than $250,000,000; (v)
repurchase obligations with a term of not more than seven days for underlying
securities of the types described in clause (i) above entered into with any bank
meeting the qualifications specified in clause (iv) above; and (vi) investments
in money market funds which invest substantially all their assets in securities
of the types described in clauses (i) through (v) above.

                  "Change of Control" means the occurrence of one or more of the
following events: (i) any sale, lease, exchange or other transfer (in one
transaction or a series of related transactions) of all or substantially all of
the assets of the Company to any Person or group of related Persons for purposes
of Section 13(d) of the Exchange Act (a "Group"), together with any Affiliates
thereof (whether or not otherwise in compliance with the provisions of this
Indenture), other than to a Permitted Holder or a Group controlled by a
Permitted Holder; (ii) the approval by the holders of Capital Stock of the
Company of any plan or proposal for the liquidation or dissolution of the
Company (whether or not otherwise in compliance with the provisions of this
Indenture); (iii) (x) prior to the Initial Public Equity Offering, any Person or
Group other than a Permitted Holder or a Group controlled by a Permitted Holder
shall become

 
                                      -5-


the owner, directly or indirectly, beneficially or of record, of shares
representing a percentage of the aggregate ordinary voting power represented by
the issued and outstanding Capital Stock of the Company ("Voting Power") greater
than the aggregate percentage of Voting Power owned by Permitted Holders
together with any Group controlled by Permitted Holders, (y) prior to the
Initial Public Equity Offering, the percentage of Voting Power owned by
Permitted Holders is less than 40% or (z) after the Initial Public Equity
Offering, any Person or Group other than a Person or Group controlled by a
Permitted Holder owns, directly or indirectly, beneficially or of record, shares
representing more than 35% Voting Power; or (iv) the replacement of a majority
of the Board of Directors of the Company from the directors who constituted the
Board of Directors of the Company on the Issue Date, and such replacement shall
not have been approved by a vote of at least a majority of the Board of
Directors of the Company then still in office who either were members of such
Board of Directors on the Issue Date or whose election as a member of such Board
of Directors was previously so approved.

                  "Change of Control Offer" has the meaning provided in Section
4.15.

                  "Change of Control Payment Date" has the meaning provided in
Section 4.15.

                  "Commission" means the Securities and Exchange Commission.

                  "Common Stock" means, with respect to any Person, any and all
shares, interests or other participations in, and other equivalents (however
designated and whether voting or non-voting) of such Person's common stock,
whether outstanding on the Issue Date or issued after the Issue Date, and
includes, without limitation, all series and classes of such common stock.

                  "Company" means the party named as such in this Indenture
until a successor replaces it pursuant to this Indenture and thereafter means
such successor and also includes for the purposes of any provision contained
herein and required by the TIA any other obligor on the Notes.

                  "Consolidated EBITDA" means, with respect to any Person for
any period, the sum (without duplication) of (i) Consolidated Net Income and
(ii) to the extent Consolidated Net Income has been reduced thereby, (A) all
income taxes of such

 
                                      -6-


Person and its Subsidiaries paid or accrued in accordance with GAAP for such
period (other than income taxes attributable to extraordinary, unusual or
nonrecurring gains or losses or taxes attributable to sales or dispositions
outside the ordinary course of business), (B) Consolidated Interest Expense, (C)
Consolidated Non-cash Charges, less any non-cash items increasing Consolidated
Net Income for such period, all as determined on a consolidated basis for such
Person and its Subsidiaries in accordance with GAAP.

                  "Consolidated Fixed Charge Coverage Ratio" means, with respect
to any Person, the ratio of Consolidated EBITDA of such Person during the four
full fiscal quarters (the "Four Quarter Period") ending on or prior to the date
of the transaction giving rise to the need to calculate the Consolidated Fixed
Charge Coverage Ratio (the "Transaction Date") to Consolidated Fixed Charges of
such Person for the Four Quarter Period. In addition to and without limitation
of the foregoing, for purposes of this definition, "Consolidated EBITDA" and
"Consolidated Fixed Charges" shall be calculated after giving effect on a pro
forma basis for the period of such calculation to (i) the incurrence or
repayment of any Indebtedness of such Person or any of its Subsidiaries (and the
application of the proceeds thereof) giving rise to the need to make such
calculation and any incurrence or repayment of other Indebtedness (and the
application of the proceeds thereof), other than the incurrence or repayment of
Indebtedness in the ordinary course of business for working capital purposes
pursuant to working capital facilities, occurring during the Four Quarter Period
or at any time subsequent to the last day of the Four Quarter Period and on or
prior to the Transaction Date, as if such incurrence or repayment, as the case
may be (and the application of the proceeds thereof), occurred on the first day
of the Four Quarter Period and (ii) any Asset Sales or Asset Acquisitions
(including, without limitation, any Asset Acquisition giving rise to the need to
make such calculation as a result of such Person or one of its Subsidiaries
(including any Person who becomes a Subsidiary as a result of the Asset
Acquisition) incurring, assuming or otherwise being liable for Acquired
Indebtedness and also including any Consolidated EBITDA (including any Pro Forma
Adjustments) (provided that such Consolidated EBITDA shall be included only to
the extent includable pursuant to the definition of "Consolidated Net Income")
attributable to the assets which are the subject of the Asset Acquisition or
Asset Sale during the Four Quarter Period) occurring during the Four Quarter
Period or at any time subsequent to the last day of the Four Quarter Period and
on or prior to the Transaction Date, as if such Asset Sale or Asset Acquisition
(including the incur-

 
                                      -7-


rence, assumption or liability for any such Acquired Indebtedness) occurred on
the first day of the Four Quarter Period. If such Person or any of its
Subsidiaries directly or indirectly guarantees Indebtedness of a third Person,
the preceding sentence shall give effect to the incurrence of such guaranteed
Indebtedness as if such Person or any Subsidiary of such Person had directly
incurred or otherwise assumed such guaranteed Indebtedness. Furthermore, in
calculating "Consolidated Fixed Charges" for purposes of determining the
denominator (but not the numerator) of this "Consolidated Fixed Charge Coverage
Ratio," (1) interest on outstanding Indebtedness determined on a fluctuating
basis as of the Transaction Date and which will continue to be so determined
thereafter shall be deemed to have accrued at a fixed rate per annum equal to
the rate of interest on such Indebtedness in effect on the Transaction Date; (2)
if interest on any Indebtedness actually incurred on the Transaction Date may
optionally be determined at an interest rate based upon a factor of a prime or
similar rate, a eurocurrency interbank offered rate, or other rates, then the
interest rate in effect on the Transaction Date will be deemed to have been in
effect during the Four Quarter Period; and (3) notwithstanding clause (1) above,
interest on Indebtedness determined on a fluctuating basis, to the extent such
interest is covered by agreements relating to Interest Swap Obligations, shall
be deemed to accrue at the rate per annum resulting after giving effect to the
operation of such agreements.

                  "Consolidated Fixed Charges" means, with respect to any Person
for any period, the sum, without duplication, of (i) Consolidated Interest
Expense, plus (ii) the product of (x) the amount of all dividend payments on any
series of Preferred Stock of such Person (other than dividends paid in Qualified
Capital Stock) paid, accrued or scheduled to be paid or accrued during such
period times (y) a fraction, the numerator of which is one and the denominator
of which is one minus the then current effective consolidated federal, state and
local tax rate of such Person, expressed as a decimal.

                  "Consolidated Interest Expense" means, with respect to any
Person for any period, the sum of, without duplication: (i) the aggregate of the
interest expense of such Person and its Subsidiaries for such period determined
on a consolidated basis in accordance with GAAP, including without limitation,
(a) any amortization of debt discount, (b) the net costs under Interest Swap
Obligations, (c) all capitalized interest and (d) the interest portion of any
deferred payment obligation; and (ii) the interest component of Capitalized
Lease Obligations paid, accrued and/or scheduled to be paid or accrued by such

 
                                      -8-


Person and its Subsidiaries during such period as determined on a consolidated
basis in accordance with GAAP, minus amortization or write-off of deferred
financing costs.

                  "Consolidated Net Income" means, with respect to any Person
for any period, the aggregate net income (or loss) of such Person and its
Subsidiaries for such period on a consolidated basis, determined in accordance
with GAAP; provided, however, that there shall be excluded therefrom (a) gains
(and losses) on an after-tax effected basis from Asset Sales (without regard to
the $3 million limitation in the definition thereof) or abandonments or reserves
relating thereto, (b) items classified as extraordinary or nonrecurring gains or
losses including, without limitation, restructuring costs related to facilities
and/or operating line closings) on an after tax effected basis, (c) the net
income or loss of any Person acquired in a "pooling of interests" transaction
accrued prior to the date it becomes a Subsidiary of the referent Person or is
merged or consolidated with the referent Person or any Subsidiary of the
referent Person, (d) the net income (but not loss) of any Subsidiary of the
referent Person to the extent that the declaration of dividends or similar
distributions by that Subsidiary of that income is restricted by a contract,
operation of law or otherwise, (e) the net income or loss of any other Person,
other than a Subsidiary of the referent Person, except to the extent (in the
case of net income) of cash dividends or distributions paid to the referent
Person, or to a Wholly Owned Subsidiary of the referent Person, by such other
Person, (f) any restoration to income of any contingency reserve of an
extraordinary, non-recurring or unusual nature, except to the extent that
provision for such reserve was made out of Consolidated Net Income accrued at
any time following the Issue Date, (g) income or loss attributable to
discontinued operations (including, without limitation, operations disposed of
during such period whether or not such operations were classified as
discontinued), (h) in the case of a successor to the referent Person by
consolidation or merger or as a transferee of the referent Person's assets, any
earnings of the successor corporation prior to such consolidation, merger or
transfer of assets and (i) any amortization or write-off of deferred financing
costs.

                  "Consolidated Net Worth" means, with respect to any Person,
the consolidated stockholders' equity of such Person, determined on a
consolidated basis in accordance with GAAP, less (without duplication) amounts
attributable to Disqualified Capital Stock of such Person.

 
                                      -9-


                  "Consolidated Non-cash Charges" means, with respect to any
Person for any period, the aggregate (A) depreciation, (B) amortization, (C)
LIFO charges, (D) the amount of any restructuring reserve or charge, and (E)
other non-cash charges of such Person and its Subsidiaries reducing Consolidated
Net Income of such Person and its Subsidiaries for such period, determined on a
consolidated basis in accordance with GAAP (excluding for purposes of clause (C)
any such charges which require an accrual of or a reserve for cash charges for
any future period).

                  "consolidation" means, with respect to any Person, the
consolidation of the accounts of the Subsidiaries of such Person with those of
such Person, all in accordance with GAAP. The term "consolidated" has a
correlative meaning to the foregoing.

                  "Corporate Trust Office" means the office of the Trustee at
which at any particular time its corporate trust business shall be principally
administered, which office at the date of execution of this Indenture is located
at Two International Place, Boston, Massachusetts 02110.

                  "Covenant Defeasance" has the meaning set forth in Section
8.01.

                  "Credit Agreement" means the Credit Agreement dated as of
January 29, 1998 among Holdings, the Company, the lenders party thereto in their
capacities as lenders thereunder and Bankers Trust Company, as agent, together
with the related documents thereto (including, without limitation, any guarantee
agreements and security documents), in each case as such agreements may be
amended (including any amendment and restatement thereof), supplemented or
otherwise modified from time to time, including any agreement extending the
maturity of, refinancing, replacing or otherwise restructuring (including
increasing the amount of available borrowings thereunder or adding Subsidiaries
of the Company as additional borrowers or guarantors thereunder) all or any
portion of the Indebtedness under such agreement or any successor or replacement
agreement and whether by the same or any other agent, lender or group of
lenders.

                  "Currency Agreement" means any foreign exchange contract,
currency swap agreement or other similar agreement or arrangement designed to
protect the Company or any Subsidiary of the Company against fluctuations in
currency values.

 
                                      -10-


                  "Custodian" means any receiver, trustee, assignee, liquidator,
sequestrator or similar official under any Bankruptcy Law.

                  "Default" means an event or condition the occurrence of which
is, or with the lapse of time or the giving of notice or both would be, an Event
of Default.

                  "Defeasance Payment" means any distribution from any
defeasance trust described under Section 8.01.

                  "Depository" means The Depository Trust Company, its nominees
and successors.

                  "Designated Senior Indebtedness" means (i) Indebtedness under
or in respect of the Credit Agreement and (ii) any other Indebtedness
constituting Senior Indebtedness or Guarantor Senior Indebtedness which, at the
time of determination, has an aggregate principal amount of at least $2.0
million and is specifically designated in the instrument evidencing such Senior
Indebtedness or Guarantor Senior Indebtedness as "Designated Senior
Indebtedness" or "Guarantor Senior Indebtedness" by the Company or the
applicable Subsidiary Guarantor, as the case may be.

                  "Disqualified Capital Stock" means that portion of any Capital
Stock which, by its terms (or by the terms of any security into which it is
convertible or for which it is exchangeable), or upon the happening of any
event, matures or is mandatorily redeemable, pursuant to a sinking fund
obligation or otherwise, or is redeemable at the sole option of the holder
thereof (other than as a result of a Change of Control) on or prior to the final
maturity of the Notes.

                  "Event of Default" has the meaning provided in Section 6.01.

                  "Exchange Act" means the Securities Exchange Act of 1934, as
amended, or any successor statute or statutes thereto.

                  "Exchange Notes" means the 12% Senior Subordinated Notes due
2008, Series B to be issued in exchange for the Initial Notes pursuant to the
Registration Rights Agreement or, with respect to Initial Notes issued under
this Indenture subsequent to the Issue Date pursuant to Section 2.02, a
registration rights agreement substantially identical to the Registration Rights
Agreement.

 
                                      -11-


                  "Exchange Offer" has the meaning provided in the Registration
Rights Agreement.

                  "Existing Indebtedness" means Indebtedness of the Company and
its Subsidiaries (other than Indebtedness under the Credit Agreement) in
existence on the Issue Date, until such amounts are repaid.

                  "fair market value" means, with respect to any asset or
property, the price which could be negotiated in an arm's-length, free market
transaction, for cash, between a willing seller and a willing and able buyer,
neither of whom is under undue pressure or compulsion to complete the
transaction. Fair market value shall be determined by the Board of Directors of
the Company acting reasonably and in good faith and shall be evidenced by a
Board Resolution of the Board of Directors of the Company.

                  "Foreign Subsidiary" means any Subsidiary of the Company
organized under the laws of a country or jurisdiction other than the United
States, any state or territory thereof or the District of Columbia.

                  "GAAP" means generally accepted accounting principles set
forth in the opinions and pronouncements of the Accounting Principles Board of
the American Institute of Certified Public Accountants and statements and
pronouncements of the Financial Accounting Standards Board or in such other
statements by such other entity as may be approved by a significant segment of
the accounting profession of the United States, which are in effect on the Issue
Date.

                  "Global Note" has the meaning provided in Section 2.01.

                  "guarantee" means any obligation, contingent or otherwise, of
any Person directly or indirectly guaranteeing any Indebtedness or other
obligation of any other Person and, without limiting the generality of the
foregoing, any obligation, direct or indirect, contingent or otherwise, of such
Person (i) to purchase or pay (or advance or supply funds for the purchase or
payment of) such Indebtedness or other obligation of such other Person (whether
arising by virtue of partnership arrangements, or by agreement to keep-well, to
purchase assets, goods, securities or services, to take-or-pay, or to maintain
financial statement conditions or otherwise) or (ii) entered into for purposes
of assuring in any other manner the obligee of such Indebtedness or other
obligation of the payment thereof or

 
                                      -12-


to protect such obligee against loss in respect thereof (in whole or in part)
(but if in part, only to the extent thereof); provided, however, that the term
"guarantee" shall not include (A) endorsements for collection or deposit in the
ordinary course of business and (B) guarantees (other than guarantees of
Indebtedness) by the Company in respect of assisting one or more Subsidiaries in
the ordinary course of their respective businesses, including without limitation
guarantees of trade obligations and operating leases, on ordinary business
terms. The term "guarantee" used as a verb has a corresponding meaning.

                  "Guarantee" means the guarantee of the obligations under this
Indenture and the Notes by each of the Subsidiary Guarantors as set forth in
Article Twelve.

                  "Guarantor Senior Indebtedness" means, with respect to any
Subsidiary Guarantor, the principal of, premium, if any, and interest (including
any interest accruing subsequent to the filing of a petition of bankruptcy at
the rate provided for in the documentation with respect thereto, whether or not
such interest is an allowed claim under applicable law) on any Indebtedness of
such Subsidiary Guarantor, whether outstanding on the Issue Date or thereafter
created, incurred or assumed, unless, in the case of any particular
Indebtedness, the instrument creating or evidencing the same or pursuant to
which the same is outstanding expressly provides that such Indebtedness shall
not be senior in right of payment to the Notes. Without limiting the generality
of the foregoing, "Guarantor Senior Indebtedness" shall also include the
principal of, premium, if any, interest (including any interest accruing
subsequent to the filing of a petition of bankruptcy at the rate provided for in
the documentation with respect thereto, whether or not such interest is an
allowed claim under applicable law) on, and all other amounts owing in respect
of, (x) all monetary obligations (including guarantees thereof) of every nature
of a Subsidiary Guarantor under the Credit Agreement, including, without
limitation, obligations to pay principal and interest, reimbursement obligations
under letters of credit, fees, expenses and indemnities, (y) all Interest Swap
Obligations (including guarantees thereof) and (z) all obligations (including
guarantees thereof) under Currency Agreements, in each case whether outstanding
on the Issue Date or thereafter incurred. Notwithstanding the foregoing,
"Guarantor Senior Indebtedness" shall not include (i) any Indebtedness of a
Subsidiary Guarantor to a Subsidiary of such Subsidiary Guarantor or any
Affiliate of such Subsidiary Guarantor or any of such Affiliate's Subsidiaries,
(ii) Indebtedness to, or guaranteed on behalf of, any

 
                                      -13-


shareholder, director, officer or employee of the Company or any Subsidiary of
the Company (including, without limitation, amounts owed for compensation),
(iii) Indebtedness to trade creditors and other amounts incurred in connection
with obtaining goods, materials or services, (iv) Indebtedness represented by
Disqualified Capital Stock, (v) any liability for federal, state, local or other
taxes owed or owing by such Subsidiary Guarantor, (vi) that portion of any
Indebtedness incurred in violation of the provisions set forth under Section
4.12 (but, as to any such obligation, no such violation shall be deemed to exist
for purposes of this clause (vi) if the holder(s) of such obligation or their
representative and the Trustee shall have received an Officers' Certificate of
the Company to the effect that the incurrence of such Indebtedness does not (or,
in the case of revolving credit Indebtedness, that the incurrence of the entire
committed amount thereof at the date on which the initial borrowing thereunder
is made would not) violate such provisions of this Indenture), (vii)
Indebtedness which, when incurred and without respect to any election under
Section 1111(b) of Title 11, United States Code is without recourse to such
Subsidiary Guarantor and (viii) any Indebtedness which is, by its express terms,
subordinated in right of payment to any other Indebtedness of a Subsidiary
Guarantor.

                  "Holder" means any holder of Notes.

                  "Holdings" means Acquisition Holdings, Inc., a Delaware
corporation.

                  "IAI Global Note" means, a permanent global note in registered
form representing the aggregate principal amount of Notes sold to Institutional
Accredited Investors.

                  "incur" has the meaning set forth in Section 4.12.

                  "Indebtedness" means, with respect to any Person, without
duplication, (i) all Obligations of such Person for borrowed money, (ii) all
Obligations of such Person evidenced by bonds, debentures, notes or other
similar instruments, (iii) all Capitalized Lease Obligations of such Person,
(iv) all Obligations of such Person issued or assumed as the deferred purchase
price of property, all conditional sale obligations and all Obligations under
any title retention agreement (but excluding trade accounts payable and other
accrued liabilities arising in the ordinary course of business), (v) all
Obligations for the reimbursement of any obligor on any letter of credit,
banker's acceptance or similar credit transaction, (vi) guarantees and other
contingent obligations in respect of

 
                                      -14-


Indebtedness referred to in clauses (i) through (v) above and clause (viii)
below, (vii) all Obligations of any other Person of the type referred to in
clauses (i) through (vi) above which are secured by any lien on any property or
asset of such Person, the amount of such Obligation being deemed to be the
lesser of the fair market value of such property or asset or the amount of the
Obligation so secured, (viii) all Obligations of such Person under Currency
Agreements and all Interest Swap Obligations of such Person and (ix) all
Disqualified Capital Stock issued by such Person with the amount of Indebtedness
represented by such Disqualified Capital Stock being equal to the greater of its
voluntary or involuntary liquidation preference and its maximum fixed repurchase
price, but excluding accrued dividends, if any. For purposes hereof, the
"maximum fixed repurchase price" of any Disqualified Capital Stock which does
not have a fixed repurchase price shall be calculated in accordance with the
terms of such Disqualified Capital Stock as if such Disqualified Capital Stock
were purchased on any date on which Indebtedness shall be required to be
determined pursuant to this Indenture, and if such price is based upon, or
measured by, the fair market value of such Disqualified Capital Stock, such fair
market value shall be determined reasonably and in good faith by the Board of
Directors of the issuer of such Disqualified Capital Stock.

                  "Indenture" means this Indenture, as amended or supplemented
from time to time in accordance with the terms hereof.

                  "Independent Financial Advisor" means a firm (i) which does
not, and whose directors, officers and employees or Affiliates do not, have a
direct or indirect material financial interest in the Company and (ii) which, in
the judgment of the Board of Directors of the Company, is otherwise, independent
and qualified to perform the task for which it is to be engaged.

   
                  "Initial Notes" means, collectively, (i) the 12% Senior
Subordinated Notes due 2008, Series A, of the Company issued on the Issue Date
and (ii) one or more series of 12% Senior Subordinated Notes due 2008 that are
issued under this Indenture subsequent to the Issue Date pursuant to Section
2.02, in each case for so long as such securities constitute Restricted
Securities.
    

                  "Initial Public Equity Offering" means the first Public Equity
Offering to occur after the Issue Date.

 
                                       -15-


                  "Initial Purchaser" means BT Alex. Brown Incorporated.

                  "Institutional Accredited Investor" means an institution that
is an "accredited investor" as that term is defined in Rule 501(a)(1), (2), (3)
or (7) under the Securities Act.

                  "interest" means, when used with respect to any Note, the
amount of all interest accruing on such Note, including any applicable defaulted
interest pursuant to Section 2.12 and any Additional Interest pursuant to the
Registration Rights Agreement.

                  "Interest Payment Date" means the stated maturity of an
installment of interest on the Notes.

                  "Interest Swap Obligations" means the obligations of any
Person pursuant to any arrangement with any other Person, whereby, directly or
indirectly, such Person is entitled to receive from time to time periodic
payments calculated by applying either a floating or a fixed rate of interest on
a stated notional amount in exchange for periodic payments made by such other
Person calculated by applying a fixed or a floating rate of interest on the same
notional amount and shall include, without limitation, interest rate swaps,
caps, floors, collars and similar agreements.

                  "Internal Revenue Code" means the Internal Revenue Code of
1986, as amended to the date hereof and from time to time hereafter.

                  "Investment" means, with respect to any Person, any direct or
indirect loan or other extension of credit (including, without limitation, a
guarantee) or capital contribution to (by means of any transfer of cash or other
property to others or any payment for property or services for the account or
use of others), or any purchase or acquisition by such Person of any Capital
Stock, bonds, notes, debentures or other securities or evidences of Indebtedness
issued by, any Person. "Investment" shall exclude extensions of trade credit by
the Company and its Subsidiaries on commercially reasonable terms in accordance
with normal trade practices of the Company or such Subsidiary, as the case may
be. For the purposes of Section 4.10, the amount of any Investment shall be the
original cost of such Investment plus the cost of all additional Investments by
the Company or any of its Subsidiaries, without any adjustments for increases or
decreases in value, or write-ups, write-downs or write-offs with respect to such
Investment, re-

 
                                      -16-


duced by the payment of dividends or distributions in connection with such
Investment or any other amounts received in respect of such Investment;
provided, however, that no such payment of dividends or distributions or receipt
of any such other amounts shall reduce the amount of any Investment to the
extent such payment of dividends or distributions or receipt of any such amounts
would be included in Consolidated Net Income. If the Company or any Subsidiary
of the Company sells or otherwise disposes of any Common Stock of any direct or
indirect Subsidiary of the Company such that, after giving effect to any such
sale or disposition, the Company no longer owns, directly or indirectly, greater
than 50% of the outstanding Common Stock of such Subsidiary, the Company shall
be deemed to have made an Investment on the date of any such sale or disposition
equal to the fair market value of the Common Stock of such former Subsidiary not
sold or disposed of.

                  "Issue Date" means January 29, 1998.

                  "Legal Defeasance" has the meaning set forth in Section 8.01.

                  "Legal Holiday" has the meaning provided in Section 11.07.

                  "Lien" means any lien, mortgage, deed of trust, pledge,
security interest, charge or encumbrance of any kind (including any conditional
sale or other title retention agreement, any lease in the nature thereof and any
agreement to give any security interest).

                  "Maturity Date" means January 15, 2008.

                  "Merger" means the merger of the Company into ATC, with ATC as
the surviving corporation pursuant to and in accordance with the Merger
Agreement.

                  "Merger Agreement" means the Merger Agreement dated as of
November 26, 1997 among the Company, Holdings and ATC pursuant to which the
Company is to be merged into and with ATC, as amended and in effect on the Issue
Date.

                  "Net Cash Proceeds" means, with respect to any Asset Sale, the
proceeds in the form of cash or Cash Equivalents including payments in respect
of deferred payment obligations when received in the form of cash or Cash
Equivalents (other than the portion of any such deferred payment constituting
interest) received by the Company or any of its Subsidiaries from

 
                                      -17-


such Asset Sale net of (a) reasonable out-of-pocket expenses and fees relating
to such Asset Sale (including, without limitation, legal, accounting and
investment banking fees and sales commissions), (b) taxes paid or payable after
taking into account any reduction in consolidated tax liability due to available
tax credits or deductions and any tax sharing arrangements, (c) repayment of
Indebtedness that is required to be repaid in connection with such Asset Sale
and (d) appropriate amounts to be provided by the Company or any Subsidiary, as
the case may be, as a reserve, in accordance with GAAP, against any liabilities
associated with such Asset Sale and retained by the Company or any Subsidiary,
as the case may be, after such Asset Sale, including, without limitation,
pension and other post-employment benefit liabilities, liabilities related to
environmental matters and liabilities under any indemnification obligations
associated with such Asset Sale.

                  "Net Proceeds Offer" has the meaning set forth in Section
4.16.

                  "Net Proceeds Offer Amount" has the meaning set forth in
Section 4.16.

                  "Net Proceeds Offer Payment Date" has the meaning set forth in
Section 4.16.

                  "Net Proceeds Offer Trigger Date" has the meaning set forth in
Section 4.16.

                  "Non-U.S. Person" means a person who is not a U.S. person, as
defined in Regulation S.

                  "Notes" means, collectively, the Initial Notes, the Private
Exchange Notes, if any, and the Unrestricted Notes, treated as a single class of
securities, as amended or supplemented from time to time in accordance with the
terms of this Indenture, that are issued pursuant to this Indenture.

                  "Obligations" means all obligations for principal, premium,
interest, penalties, fees, indemnifications, reimbursements, damages and other
liabilities payable under the documentation governing any Indebtedness.

                  "Officer" means, with respect to any Person other than the
Trustee, the Chairman of the Board of Directors, the Chief Executive Officer,
the President, any Vice President, the Chief Financial Officer, the Treasurer,
the Controller, or the Secretary of such Person, or any other officer designated
by

 
                                      -18-


the Board of Directors serving in a similar capacity, and with respect to the
Trustee, a Trust Officer.

                  "Officers' Certificate" means a certificate signed by two
Officers of the Company.

                  "Opinion of Counsel" means a written opinion from legal
counsel who is reasonably acceptable to the Trustee complying with the
requirements of Sections 11.04 and 11.05, as they relate to the giving of an
Opinion of Counsel.

                  "Paying Agent" has the meaning provided in Section 2.03.

                  "Permitted Holder" means any of Weiss, Peck & Greer, L.L.C.
and its Affiliates.

                  "Permitted Indebtedness" means, without duplication, each of
the following:

                   (i) Indebtedness under the Notes issued on the Issue Date and
         the Guarantees outstanding on the Issue Date or entered into thereafter
         in accordance with this Indenture;

                  (ii) Indebtedness incurred pursuant to the Credit Agreement in
         an aggregate outstanding principal amount at any time not to exceed the
         sum of the aggregate commitments pursuant to the Credit Agreement as in
         effect on the Issue Date (A) less the amount of all mandatory principal
         payments actually made in respect of the term loan thereunder and (B)
         reduced by any required repayments (which are accompanied by a
         corresponding permanent commitment reduction) thereunder, in each case,
         actually effected in satisfaction of the Net Cash Proceeds requirement
         described under Section 4.16 (it being recognized that a reduction in
         any borrowing base thereunder in and of itself shall not be deemed a
         required permanent repayment);

                 (iii) Interest Swap Obligations of the Company covering
         Indebtedness of the Company or any of its Subsidiaries; provided,
         however, that such Interest Swap Obligations are entered into to
         protect the Company and its Subsidiaries from fluctuations in interest
         rates on Indebtedness incurred in accordance with this Indenture to the
         extent the notional principal amount of such Interest Swap Obligation
         does not exceed the principal amount of the Indebtedness to which such
         Interest Swap Obligation relates;

 
                                      -19-


                  (iv) Indebtedness under Currency Agreements; provided,
         however, that in the case of Currency Agreements which relate to
         Indebtedness, such Currency Agreements do not increase the Indebtedness
         of the Company and its Subsidiaries outstanding other than as a result
         of fluctuations in foreign currency exchange rates or by reason of
         fees, indemnities and compensation payable thereunder;

                   (v) Indebtedness of a Subsidiary to the Company or to a
         Wholly Owned Subsidiary of the Company for so long as such Indebtedness
         is held by the Company or a Wholly Owned Subsidiary of the Company, in
         each case subject to no Liens held by any Person other than the
         Company, a Wholly Owned Subsidiary of the Company or the lenders or any
         collateral agent the Credit Agreement; provided, however, that if as of
         any date any Person other than the Company, a Wholly Owned Subsidiary
         of the Company or the lenders or any collateral agent the Credit
         Agreement owns or holds any such Indebtedness or holds a Lien in
         respect of such Indebtedness, such date shall be deemed the incurrence
         of Indebtedness not constituting Permitted Indebtedness by the issuer
         of such Indebtedness unless such Indebtedness is otherwise permitted
         hereunder;

                  (vi) Indebtedness of the Company to a Wholly Owned Subsidiary
         of the Company for so long as such Indebtedness is held by a Wholly
         Owned Subsidiary of the Company or the lenders or any collateral agent
         the Credit Agreement, in each case subject to no Lien other than under
         the Credit Agreement; provided, however, that (a) any Indebtedness of
         the Company to any Wholly Owned Subsidiary of the Company that is not a
         Subsidiary Guarantor is unsecured and subordinated, pursuant to a
         written agreement, to the Company's obligations under this Indenture
         and the Notes and (b) if as of any date any Person other than a Wholly
         Owned Subsidiary of the Company or the lenders or any collateral agent
         the Credit Agreement owns or holds any such Indebtedness or a Lien in
         respect of such Indebtedness, such date shall be deemed the incurrence
         of Indebtedness not constituting Permitted Indebtedness by the Company
         unless such Indebtedness is otherwise permitted hereunder;

                 (vii) Indebtedness arising from the honoring by a bank or other
         financial institution of a check, draft or similar instrument
         inadvertently (except in the case of daylight overdrafts) drawn against
         insufficient funds in the ordinary course of business; provided,
         however, that such

 
                                      -20-


         Indebtedness is extinguished within five business days of incurrence;

                (viii) Indebtedness of the Company or any of its Subsidiaries
         represented by letters of credit for the account of the Company or such
         Subsidiary, as the case may be, in order to provide security for
         workers' compensation claims, payment obligations in connection with
         self-insurance or similar requirements in the ordinary course of
         business;

                  (ix) Existing Indebtedness (including Indebtedness of the
Company and its Subsidiaries under the Notes issued on the Issue Date)
outstanding on the Issue Date;

                  (x) additional Capitalized Lease Obligations and Purchase
Money Indebtedness of the Company or any of its Subsidiaries not to exceed $5.0
million at any one time outstanding;

                  (xi) Refinancing Indebtedness;

                  (xii) Indebtedness permitted by clause (x) of the definition
of "Permitted Investments";

                  (xiii) guarantees of Indebtedness otherwise permitted under
this Indenture, provided that in the case of a guarantee by a Subsidiary, such
Subsidiary complies with the provisions of Section 4.24 to the extent
applicable; and

                  (xiv) additional Indebtedness in the form of Seller Notes in
an aggregate principal amount not to exceed $10.0 million at any one time
outstanding.

                  "Permitted Investments" means (i) Investments by the Company
or any Subsidiary of the Company in any Person that is or will become
immediately after such Investment a Subsidiary of the Company or that will merge
or consolidate into the Company or a Subsidiary of the Company; (ii) Investments
in the Company by any Subsidiary of the Company; provided, however, that any
Indebtedness evidencing such Investment by a Subsidiary that is not a Subsidiary
Guarantor is unsecured and subordinated, pursuant to a written agreement, to the
Company's obligations under the Notes and this Indenture; (iii) Investments in
cash and Cash Equivalents; (iv) loans and advances to employees and officers of
the Company and its Subsidiaries in the ordinary course of business for bona
fide business purposes not in excess of $500,000 at any one time outstanding;
(v) Currency

 
                                      -21-


Agreements and Interest Swap Obligations entered into in the ordinary course of
the Company's or its Subsidiaries' businesses and otherwise in compliance with
this Indenture; (vi) Investments in securities of trade creditors or customers
received pursuant to any plan or reorganization or similar arrangement upon the
bankruptcy or insolvency of such trade creditors or customers; (vii) Investments
made by the Company or its Subsidiaries as a result of consideration received in
connection with an Asset Sale made in compliance with Section 4.16; (viii)
Investments existing on the Issue Date; (ix) guarantees of Indebtedness
otherwise permitted under this Indenture, provided that in the case of a
guarantee by a Subsidiary, such Subsidiary complies with the provisions of
Section 4.24 to the extent applicable; and (x) additional Investments in
unconsolidated joint ventures in businesses reasonably related or complementary
to those of the Company and its Subsidiaries (as determined in good faith by the
Company's Board of Directors) in an aggregate amount for all such Investments
made pursuant to this clause (x) not to exceed $4.0 million.

                  "Permitted Liens" means the following types of Liens:

                  (i) Liens in favor of the Trustee in its capacity as trustee
         for the Holders;

                  (ii) Liens securing Indebtedness outstanding under the Credit
         Agreement;

                  (iii) Liens for taxes, assessments or governmental charges or
         claims either (a) not delinquent or (b) contested in good faith by
         appropriate proceedings and as to which the Company or its Subsidiaries
         shall have set aside on its books such reserves as may be required
         pursuant to GAAP;

                  (iv) statutory Liens of landlords and Liens of carriers,
         warehousemen, mechanics, suppliers, materialmen, repairmen and other
         Liens imposed by law incurred in the ordinary course of business for
         sums not yet delinquent or being contested in good faith, if such
         reserve or other appropriate provision, if any, as shall be required by
         GAAP shall have been made in respect thereof;

                   (v) Liens incurred or deposits made in the ordinary course of
         business in connection with workers' compensation, unemployment
         insurance and other types of social security, including any Lien
         securing letters of credit issued in the ordinary course of business
         consistent with

 
                                      -22-


         past practice in connection therewith, or to secure the performance of
         tenders, statutory obligations, surety and appeal bonds, bids, leases,
         government contracts, performance and return-of-money bonds and other
         similar obligations (exclusive of obligations for the payment of
         borrowed money);

                  (vi) judgment Liens not giving rise to an Event of Default;

                  (vii) easements, rights-of-way, zoning restrictions and other
         similar charges or encumbrances in respect of real property not
         interfering in any material respect with the ordinary conduct of the
         business of the Company or any of its Subsidiaries;


                  (viii) any interest or title of a lessor under any Capitalized
         Lease Obligation; provided, however, that such Liens do not extend to
         any property or assets which is not leased property subject to such
         Capitalized Lease Obligation;

                  (ix) Liens to secure Purchase Money Indebtedness of the
         Company or any Subsidiary of the Company; provided, however, that (A)
         the related Purchase Money Indebtedness shall not exceed the cost of
         such property or assets and shall not be secured by any property or
         assets of the Company or any Subsidiary of the Company other than the
         property and assets so acquired, constructed or improved and (B) the
         Lien securing such Indebtedness shall be created within 90 days of such
         acquisition, construction or improvement;

                  (x) Liens upon specific items of inventory or other goods and
         proceeds of any Person securing such Person's obligations in respect of
         bankers' acceptances issued or created for the account of such Person
         to facilitate the purchase, shipment or storage of such inventory or
         other goods;

                  (xi) Liens securing reimbursement obligations with respect to
         commercial letters of credit which encumber documents and other
         property relating to such letters of credit and products and proceeds
         thereof;

                  (xii) Liens encumbering deposits made to secure obligations
         arising from statutory, regulatory, contractual,

 
                                      -23-


         or warranty requirements of the Company or any of its Subsidiaries,
         including rights of offset and set-off;

                  (xiii) Liens securing Interest Swap Obligations which Interest
         Swap Obligations relate to Indebtedness that is otherwise permitted
         under this Indenture;

                  (xiv) Liens securing Indebtedness under Currency Agreements;

                  (xv) any lease or sublease not interfering in any material
         respect with the business of the Company and its Subsidiaries; and

                  (xvi) Liens securing Acquired Indebtedness incurred in
         accordance with Section 4.12; provided, however, that (A) such Liens
         secured such Acquired Indebtedness at the time of and prior to the
         incurrence of such Acquired Indebtedness by the Company or a Subsidiary
         of the Company and were not granted in connection with, or in
         anticipation of, the incurrence of such Acquired Indebtedness by the
         Company or a Subsidiary of the Company and (B) such Liens do not extend
         to or cover any property or assets of the Company or of any of its
         Subsidiaries other than the property or assets that secured the
         Acquired Indebtedness prior to the time such Indebtedness became
         Acquired Indebtedness of the Company or a Subsidiary of the Company and
         are no more favorable to the lienholders than those securing the
         Acquired Indebtedness prior to the incurrence of such Acquired
         Indebtedness by the Company or a Subsidiary of the Company.

                  "Person" means an individual, partnership, limited liability
company, corporation, unincorporated organization, trust or joint venture, or a
governmental agency or political subdivision thereof.

                  "Physical Notes" has the meaning provided in Section 2.01.

                  "Preferred Stock" of any Person means any Capital Stock of
such Person that has preferential rights to any other Capital Stock of such
Person with respect to dividends or redemptions or upon liquidation.

                  "principal" of any Indebtedness (including the Notes) means
the principal amount of such Indebtedness plus the premium, if any, on such
Indebtedness.

 
                                      -24-


                  "Private Exchange Notes" has the meaning provided in the
Registration Rights Agreement.

                  "Private Placement Legend" means the legend initially set
forth on the Initial Notes in the form set forth in Exhibit A.

                  "pro forma" means, with respect to any calculation made or
required to be made pursuant to the terms of this Indenture, a calculation in
accordance with Article 11 of Regulation S-X under the Securities Act, except
where such calculation specifies that Pro Forma Adjustments may be used.

                  "Pro Forma Adjustments" shall mean pro forma adjustments
calculated on a basis consistent with Regulation S-X under the Securities Act as
in effect on the Issue Date, plus the following detailed adjustments that may be
made in regard to businesses acquired or to be acquired (in either case, the
"target"), whether before or after the Issue Date:

                  (i) adjustments to revenues to reflect customers not likely to
         be retained;

                  (ii) adjustments to labor and other direct costs to reflect
         application of the Company's utilization rate (the billable hours of
         the Company's employees divided by such employees' available hours) to
         the target and to reflect the additional costs or savings, as the case
         may be, from the continued use or elimination of outside laboratory and
         technical personnel utilized by the target company;

                  (iii) adjustments to reflect home office functions of the
         target such as accounting, payroll and legal that will be provided by
         the Company, including any adjustments to eliminate outside
         professional services if such functions are to be assumed by then
         existing Company personnel;

                  (iv) adjustments with respect to savings that will be realized
         by including the target under the Company's insurance coverage and
         adjustments to reflect the costs, if any, of transferring or
         terminating duplicate insurance policies of the target;

 
                                      -25-


                  (v) adjustments to reflect savings associated with the
         elimination of duplicate facilities and adjustments to reflect costs
         associated with such elimination (such as lease termination costs,
         moving and storage, etc.);

                  (vi) adjustments to employee benefit costs to reflect the
         Company's actual employee benefit cost structure, to the extent the
         target's employee benefits will be replaced with the Company's employee
         benefits;

                  (vii) adjustments to reflect the actual impact of the
         departure or retention of highly compensated executives of the target
         (including elimination of compensation, benefits and revenues
         attributable to such executives, if departing, and any increases to
         compensation or benefits for such executives continuing);

                  (viii) interest expense adjustments to reflect refinancing of
         existing debt or increases in borrowings used to effect acquisition of
         the target; and

                  (ix) adjustments to replace the target's then-current goodwill
         depreciation and amortization with such amounts as are derived from the
         application to the target of purchase accounting, if applicable, under
         GAAP.

                  "Property" means, with respect to any Person, any interests of
such Person in any kind of property or asset, whether real, personal or mixed,
or tangible or intangible, including, without limitation, Capital Stock,
partnership interests and other equity or ownership interests in any other
Person.

                  "Public Equity Offering" means an underwritten primary public
offering of common stock or common equity of the Company or any other Person
that directly or indirectly owns 100% of the common stock of the Company
pursuant to an effective registration statement under the Securities Act.

                  "Purchase Money Indebtedness" means Indebtedness the net
proceeds of which are used to finance the cost (including the cost of
acquisition, construction or improvements) of property or assets acquired in the
normal course of business by the Person incurring such Indebtedness.

 
                                      -26-


                  "Qualified Capital Stock" means any Capital Stock that is not
Disqualified Capital Stock.

                  "Qualified Institutional Buyer" or "QIB" shall have the
meaning specified in Rule 144A.

                  "Record Date" means the Record Dates specified in the Notes.

                  "Redemption Date" means, when used with respect to any Note to
be redeemed, the date fixed for such redemption pursuant to this Indenture and
the Notes.

                  "Redemption Price" means, when used with respect to any Note
to be redeemed, the price fixed for such redemption, including principal and
premium, if any, pursuant to this Indenture and the Notes.

                  "Reference Date" has the meaning set forth in Section 4.10.

                  "Refinance" means, in respect of any security or Indebtedness,
to refinance, extend, renew, refund, repay, prepay, redeem, defease or retire,
or to issue a security or Indebtedness in exchange or replacement for, such
security or Indebtedness in whole or in part. "Refinanced" and "Refinancing"
shall have correlative meanings.

                  "Refinancing Indebtedness" means any Refinancing by the
Company or any Subsidiary of the Company of Indebtedness incurred in accordance
with Section 4.12 (other than pursuant to clauses (ii), (iii), (iv), (v), (vi),
(vii), (viii), (x), (xi), (xii) or (xiii) of the definition of Permitted
Indebtedness), in each case that does not (1) result in an increase in the
aggregate principal amount of Indebtedness of such Person as of the date of such
proposed Refinancing, plus the amount of any interest and premium required to be
paid under the terms of the instrument governing such Indebtedness and plus the
amount of reasonable fees and expenses (including additional premiums that may
be required to effect such Refinancing limited to 5.0% of the aggregate
principal amount of Indebtedness being Refinanced) incurred by the Company or
such Subsidiary, as the case may be, in connection with such Refinancing, except
to the extent that any such increase in Indebtedness is otherwise permitted by
this Indenture or (2) create Indebtedness with (A) a Weighted Average Life to
Maturity that is less than the Weighted Average Life to Maturity of the
Indebtedness being Refinanced or (B) a final maturity earlier than the final
matur-

 
                                     -27-


ity of the Indebtedness being Refinanced; provided, however, that (x) if such
Indebtedness being Refinanced is Indebtedness of the Company, then such
Refinancing Indebtedness shall be Indebtedness solely of the Company and (y) if
such Indebtedness being Refinanced is subordinate or junior to the Notes, then
such Refinancing Indebtedness shall be subordinate to the Notes at least to the
same extent and in the same manner as the Indebtedness being Refinanced.

                  "Registrar" has the meaning provided in Section 2.03.

                  "Registration Rights Agreement" means the Registration Rights
Agreement dated as of the Issue Date between the Company and the Initial
Purchaser.

                  "Regulation S" means Regulation S under the Securities Act.

                  "Regulation S Global Note" means a permanent global note in
registered form representing the aggregate principal amount of Notes sold in
reliance on Regulation S under the Securities Act.

                  "Related Person" means, with respect to any Person, any other
Person directly or indirectly owning 10% or more of the outstanding voting
Common Stock of such Person (or, in the case of a Person that is not a
corporation, 10% or more of the equity interest in such Person).

                  "Replacement Assets" shall have the meaning set forth in
Section 4.16.

                  "Representative" means the trustee, agent or representative in
respect of any Designated Senior Indebtedness; provided, however, that if, and
for so long as, any Designated Senior Indebtedness lacks such a representative,
then the Representative for such Designated Senior Indebtedness shall at all
times constitute the holders of a majority in outstanding principal amount of
such Designated Senior Indebtedness in respect of any Designated Senior
Indebtedness.

                  "Restricted Payment" shall have the meaning set forth in
Section 4.10.

                  "Restricted Security" has the meaning assigned to such term in
Rule 144(a)(3) under the Securities Act; provided, however, that the Trustee
shall be entitled to request and con-

 
                                      -28-


clusively rely on an Opinion of Counsel with respect to whether any Note
constitutes a Restricted Security.

                  "Rule 144A" means Rule 144A under the Securities Act.

                  "Sale and Leaseback Transaction" means any direct or indirect
arrangement with any Person or to which any such Person is a party, providing
for the leasing to the Company or a Subsidiary of the Company of any property,
whether owned by the Company or any Subsidiary of the Company at the Issue Date
or later acquired, which has been or is to be sold or transferred by the Company
or such Subsidiary to such Person or to any other Person from whom funds have
been or are to be advanced by such Person on the security of such property.

                  "Securities Act" means the Securities Act of 1933, as amended,
and the rules and regulations of the Commission promulgated thereunder.

                  "Seller Notes" means notes issued by the Company or any
Subsidiary thereof to a seller in connection with an Asset Acquisition; such
notes may be Senior Indebtedness.

                  "Senior Indebtedness" means, upon and after consummation of
the Merger, the principal of, premium, if any, and interest (including any
interest accruing subsequent to the filing of a petition of bankruptcy at the
rate provided for in the documentation with respect thereto, whether or not such
interest is an allowed claim under applicable law) on any Indebtedness of the
Company, whether outstanding on the Issue Date or thereafter created, incurred
or assumed, unless, in the case of any particular Indebtedness, the instrument
creating or evidencing the same or pursuant to which the same is outstanding
expressly provides that such Indebtedness shall not be senior in right of
payment to the Notes. Without limiting the generality of the foregoing, "Senior
Indebtedness" shall also include the principal of, premium, if any, interest
(including any interest accruing subsequent to the filing of a petition of
bankruptcy at the rate provided for in the documentation with respect thereto,
whether or not such interest is an allowed claim under applicable law) on, and
all other amounts owing in respect of, (x) all monetary obligations (including
guarantees thereof) of every nature of the Company under the Credit Agreement,
including, without limitation, obligations to pay principal and interest,
reimbursement obligations under letters of credit, fees, expenses and
indemnities, (y) all Interest Swap Obligations (including guarantees thereof)
and (z) all obligations (including guarantees) under Currency Agreements, in
each

 
                                      -29-


case whether outstanding on the Issue Date or thereafter incurred.
Notwithstanding the foregoing, "Senior Indebtedness" shall not include (i) any
Indebtedness of the Company to a Subsidiary of the Company or any Affiliate of
the Company or any of such Affiliate's Subsidiaries, (ii) Indebtedness to, or
guaranteed on behalf of, any shareholder, director, officer or employee of the
Company or any Subsidiary of the Company (including, without limitation, amounts
owed for compensation), but excluding Indebtedness in the original aggregate
principal amount of up to Two Million Six Hundred Fifty Thousand Dollars
($2,650,000) issued to the former shareholders of Bing Yen & Associates, a
California corporation, in connection with the acquisition by ATC of all of the
issued and outstanding shares of said corporation, (iii) Indebtedness to trade
creditors and other amounts incurred in connection with obtaining goods,
materials or services, (iv) Indebtedness represented by Disqualified Capital
Stock, (v) any liability for federal, state, local or other taxes owed or owing
by the Company, (vi) that portion of any Indebtedness incurred in violation of
the provisions set forth under Section 4.12 (but, as to any such obligation, no
such violation shall be deemed to exist for purposes of this clause (vi) if the
holder(s) of such obligation or their representative and the Trustee shall have
received an Officers' Certificate of the Company to the effect that the
incurrence of such Indebtedness does not (or, in the case of revolving credit
Indebtedness, that the incurrence of the entire committed amount thereof at the
date on which the initial borrowing thereunder is made would not) violate such
provisions of this Indenture), (vii) Indebtedness which, when incurred and
without respect to any election under Section 1111(b) of Title 11, United States
Code is without recourse to the Company, (viii) any Indebtedness which is, by
its express terms, subordinated in right of payment to any other Indebtedness of
the Company, and (ix) any Indebtedness of ATC and its Subsidiaries until
consummation of the Merger and assumption by ATC of all Obligations under this
Indenture (including execution of the Guarantees by the Subsidiary Guarantors).

                  "Significant Subsidiary" shall have the meaning set forth in
Rule 1.02(w) of Regulation S-X under the Securities Act.

                  "Subsidiary" means, with respect to any Person, (i) any
corporation of which the outstanding Capital Stock having at least a majority of
the votes entitled to be cast in the election of directors under ordinary
circumstances shall at the time be owned, directly or indirectly, by such Person
or (ii) any other Person of which at least a majority of the voting in-

 
                                      -30-


terest under ordinary circumstances is at the time, directly or indirectly,
owned by such Person.

                  "Subsidiary Guarantor" means, at and after the time of the
Merger, individually and collectively, (i) each of the Company's Subsidiaries as
of the Issue Date other than the Foreign Subsidiaries and (ii) each of the
Company's Subsidiaries that in the future executes a supplemental indenture in
which such Subsidiary agrees to be bound by the terms of this Indenture as a
Subsidiary Guarantor; (iii) any Subsidiary, whether formed or acquired after the
Issue Date, that guarantees any Indebtedness outstanding under the Credit
Agreement; provided, however, that any Subsidiary acquired after the Issue Date
which is prohibited from entering into a Guarantee pursuant to restrictions
contained in any debt instrument in existence at the time such Subsidiary was so
acquired and not entered into in anticipation or contemplation of such
acquisition shall not be required to become a Subsidiary Guarantor so long as
any such restriction is in existence and to the extent of any such restriction;
provided, further, that if any Subsidiary Guarantor is released from its
guarantee of the outstanding Indebtedness of the Company under the Credit
Agreement and the pledge by it, directly or indirectly, of any of its assets as
security for such Indebtedness at a time when no Default or Event of Default has
occurred and is continuing such Subsidiary Guarantor shall be automatically
released from its obligations as a Subsidiary Guarantor and, from and after such
date, such Subsidiary Guarantor shall cease to constitute a Subsidiary Guarantor
provided, however, that any Person constituting a Subsidiary Guarantor as
described above shall cease to constitute a Subsidiary Guarantor when its
Guarantee is released in accordance with the terms of this Indenture.

                  "Surviving Entity" shall have the meaning set forth in Section
5.01.

                  "Tax Sharing Agreement" means any tax sharing agreement
between the Company and Holdings or any other Person with which the Company is
required to, or is permitted to, file a consolidated tax return or with which
the Company is or could be part of a consolidated group for tax purposes.

                  "TIA" means the Trust Indenture Act of 1939 (15 U.S.C. ss.ss.
77aaa-77bbbb), as amended, as in effect on the date of this Indenture, except as
otherwise provided in Section 9.04.

 
                                      -31-


                  "Trustee" means the party named as such in this Indenture
until a successor replaces it in accordance with the provisions of this
Indenture and thereafter means such successor.

                  "Trust Officer" means any officer or assistant officer of the
Trustee assigned by the Trustee to administer this Indenture, or in the case of
a successor trustee, an officer assigned to the department, division or group
performing the corporation trust work of such successor and assigned to
administer this Indenture.

                  "U.S. Government Obligations" means direct obligations of, and
obligations guaranteed by, the United States of America for the payment of which
the full faith and credit of the United States of America is pledged.

                  "U.S. Legal Tender" means such coin or currency of the United
States of America as at the time of payment shall be legal tender for the
payment of public and private debts.

                  "Unrestricted Notes" means one or more Notes that do not and
are not required to bear the Private Placement legend in the form set forth in
Exhibit A, including, without limitation, the Exchange Notes.

                  "Weighted Average Life to Maturity" means, when applied to any
Indebtedness at any date, the number of years obtained by dividing (a) the then
outstanding aggregate principal amount of such Indebtedness into (b) the sum of
the total of the products obtained by multiplying (i) the amount of each then
remaining installment, sinking fund, serial maturity or other required payment
of principal, including payment at final maturity, in respect thereof, by (ii)
the number of years (calculated to the nearest one-twelfth) which will elapse
between such date and the making of such payment.

                  "Wholly Owned Subsidiary" means, with respect to any Person,
any Subsidiary of such Person of which all the outstanding voting securities
normally entitled to vote in the election of directors are owned by such Person
or any Wholly Owned Subsidiary of such Person (other than directors' qualifying
shares or an immaterial amount of shares required to be owned by other Persons
pursuant to applicable law).

 
                                      -32-


                  SECTION 1.02. Incorporation by Reference of TIA.

                  Whenever this Indenture refers to a provision of the TIA, such
provision is incorporated by reference in, and made a part of, this Indenture.
The following TIA terms used in this Indenture have the following meanings:

                  "indenture securities" means the Notes.

                  "indenture security holder" means a Holder.

                  "indenture to be qualified" means this Indenture.

                  "indenture trustee" or "institutional trustee" means the
                  Trustee.

                  "obligor" on the indenture securities means the Company or any
                  other obligor on the Notes.

                  All other TIA terms used in this Indenture that are defined by
the TIA, defined by TIA reference to another statute or defined by Commission
rule and not otherwise defined herein have the meanings assigned to them
therein.

                  SECTION 1.03. Rules of Construction.

                  Unless the context otherwise requires:

                  (1) a term has the meaning assigned to it;

                  (2) an accounting term not otherwise defined has the meaning
         assigned to it in accordance with GAAP of any date of determination;

                  (3) "or" is not exclusive;

                  (4) words in the singular include the plural, and words in the
         plural include the singular;

                  (5) "herein," "hereof" and other words of similar import refer
         to this Indenture as a whole and not to any particular Article, Section
         or other subdivision; and

                  (6) any reference to a statute, law or regulation means that
         statute, law or regulation as amended and in effect from time to time
         and includes any successor statute, law or regulation; provided,
         however, that any refer-

 
                                      -33-


         ence to the Bankruptcy Law shall mean the Bankruptcy Law as applicable
to the relevant case.


                                   ARTICLE TWO

                                    THE NOTES


                  SECTION 2.01. Form and Dating.

                  The Initial Notes, the notation thereon relating to the
Guarantees, if any, and the Trustee's certificate of authentication relating
thereto shall be substantially in the form of Exhibit A hereto, provided, that
any Initial Notes issued in a public offering shall be substantially in the form
of Exhibit B hereto. The Exchange Notes, the notation thereon relating to the
Guarantees, if any, and the Trustee's certificate of authentication relating
thereto shall be substantially in the form of Exhibit B hereto. The Notes may
have notations, legends or endorsements required by law, stock exchange rule or
depository rule or usage. The Company and the Trustee shall approve the form of
the Notes and any notation, legend or endorsement on them. Each Note shall be
dated the date of its issuance and shall show the date of its authentication.
Upon consummation of the Merger, each Note shall have an executed Guarantee
endorsed thereon substantially in the form of Exhibit F hereto.

                  The terms and provisions contained in the Notes and the
Guarantees, if any, annexed hereto as Exhibits A and B, shall constitute, and
are hereby expressly made, a part of this Indenture and, to the extent
applicable, the Company, the Subsidiary Guarantors, if any, and the Trustee, by
their execution and delivery of this Indenture, expressly agree to such terms
and provisions and to be bound thereby.

                  Notes offered and sold in reliance on Rule 144A, Notes offered
and sold to institutional "accredited investors" (as defined in Rule 501(a)(1),
(2), (3) or (7) under the Securities Act) and Notes offered and sold in reliance
on Regulation S shall be issued initially in the form of one or more permanent
global Notes in registered form, substantially in the form set forth in Exhibit
A (the "Global Note"), deposited with the Trustee, as custodian for the
Depository, duly executed by the Company (and having an executed Guarantee
endorsed thereon) and authenticated by the Trustee as hereinafter provided and
shall bear the legend set forth in Exhibit C. The aggregate

 
                                      -34-


principal amount of the Global Note may from time to time be increased or
decreased by adjustments made on the records of the Trustee, as custodian for
the Depository, as hereinafter provided.

                  Notes issued in exchange for interests in a Global Note
pursuant to Section 2.16 may be issued and Notes offered and sold in reliance on
any other exemption from registration under the Securities Act other than as
described in the preceding paragraph shall be issued in the form of permanent
certificated Notes in registered form in substantially the form set forth in
Exhibit A (the "Physical Notes").

                  All Notes offered and sold in reliance on Regulation S shall
remain in the form of a Global Note until the consummation of the Exchange Offer
pursuant to the Registration Rights Agreement; provided, however, that all of
the time periods specified in the Registration Rights Agreement to be complied
with by the Company and the Subsidiary Guarantors have been so complied with.

              SECTION 2.02. Execution and Authentication; Aggregate
                                Principal Amount.

                  Two Officers, or an Officer and an Assistant Secretary of the
Company and each Subsidiary Guarantor, shall sign, or one Officer shall sign and
one Officer or an Assistant Secretary (each of whom shall, in each case, have
been duly authorized by all requisite corporate actions) shall attest to, the
Notes for the Company and the Guarantees for the Subsidiary Guarantors by manual
or facsimile signature.

                  If an Officer or Assistant Secretary whose signature is on a
Note or a Guarantee was an Officer or Assistant Secretary at the time of such
execution but no longer holds that office or position at the time the Trustee
authenticates the Note, the Note shall nevertheless be valid.

                  A Note shall not be valid until an authorized signatory of the
Trustee manually signs the certificate of authentication on the Note. The
signature shall be conclusive evidence that the Note has been authenticated
under this Indenture.

          The Trustee shall authenticate (i) Initial Notes for original
issue in the aggregate principal amount not to exceed $150,000,000 in one or
more series, (ii) Private Exchange Notes from time to time for issue only in
exchange for a like principal amount of Initial Notes and (iii) Unrestricted
Notes from

 
                                      -35-


time to time only (A) in exchange for a like principal amount of Initial Notes
or (B) in an aggregate principal amount of not more than the excess of
$150,000,000 over the sum of the aggregate principal amount of (x) Initial Notes
then outstanding, (y) Private Exchange Notes then outstanding and (z)
Unrestricted Notes issued in accordance with (iii)(A) above, in each case upon a
written order of the Company in the form of an Officers' Certificate of the
Company. Each such written order shall specify the amount of Notes to be
authenticated and the date on which the Notes are to be authenticated, whether
the Notes are to be Initial Notes, Private Exchange Notes or Unrestricted Notes
and whether the Notes are to be issued as Physical Notes or Global Notes or such
other information as the Trustee may reasonably request. The aggregate principal
amount of Notes outstanding at any time may not exceed $150,000,000, except as
provided in Sections 2.07 and 2.08.

                  In the event that the Company shall issue and the Trustee
shall authenticate any Notes issued under this Indenture subsequent to the Issue
Date pursuant to clauses (i) and (iii) of the first sentence of the immediately
preceding paragraph, the Company shall use its reasonable efforts to obtain the
same "CUSIP" number for such Notes as is printed on the Notes outstanding at
such time; provided, however, that if any series of Notes issued under this
Indenture subsequent to the Issue Date is determined, pursuant to an Opinion of
Counsel of the Company in a form reasonably satisfactory to the Trustee to be a
different class of security than the Notes outstanding at such time for federal
income tax purposes, the Company may obtain a "CUSIP" number for such Notes that
is different than the "CUSIP" number printed on the Notes then outstanding.
Notwithstanding the foregoing, all Notes issued under this Indenture shall vote
and consent together on all matters as one class and no series of Notes will
have the right to vote or consent as a separate class on any matter.

                  The Trustee may appoint an authenticating agent (the
"Authenticating Agent") reasonably acceptable to the Company to authenticate
Notes. Unless otherwise provided in the appointment, an Authenticating Agent may
authenticate Notes whenever the Trustee may do so. Each reference in this
Indenture to authentication by the Trustee includes authentication by such
Authenticating Agent. An Authenticating Agent has the same rights as an Agent to
deal with the Company or with any Affiliate of the Company.

 
                                      -36-


                  The Notes shall be issuable in fully registered form only,
without coupons, in denominations of $1,000 and any integral multiple thereof.

                  SECTION 2.03. Registrar and Paying Agent.

                  The Company shall maintain an office or agency (which shall be
located in the Borough of Manhattan in the City of New York, State of New York)
where (a) Notes may be presented or surrendered for registration of transfer or
for exchange ("Registrar"), (b) Notes may be presented or surrendered for
payment ("Paying Agent") and (c) notices and demands to or upon the Company in
respect of the Notes and this Indenture may be served. The Registrar shall keep
a register of the Notes and of their transfer and exchange. The Company may have
one or more co-Registrars and one or more additional paying agents reasonably
acceptable to the Trustee. The term "Paying Agent" includes any additional
Paying Agent. The Company may act as its own Paying Agent, except that for the
purposes of payments on the Notes pursuant to Sections 4.15 and 4.16, neither
the Company nor any Affiliate of the Company may act as Paying Agent.

                  The Company shall enter into an appropriate agency agreement
with any Agent not a party to this Indenture, which agreement shall incorporate
the provisions of the TIA and implement the provisions of this Indenture that
relate to such Agent. The Company shall notify the Trustee of the name and
address of any such Agent. If the Company shall fail to maintain a Registrar or
Paying Agent the Trustee shall act as such.

                  The Company initially appoints the Trustee as Registrar,
Paying Agent and agent for service of demands and notices in connection with the
Notes, until such time as the Trustee has resigned or a successor has been
appointed. Any of the Registrar, the Paying Agent or any other agent may resign
upon 30 days' notice to the Company.

                  SECTION 2.04. Paying Agent To Hold Assets in Trust.

                  The Company shall require each Paying Agent other than the
Trustee to agree in writing that such Paying Agent shall hold in trust for the
benefit of the Holders or the Trustee all assets held by the Paying Agent for
the payment of principal of, premium, if any, or interest on, the Notes (whether
such assets have been distributed to it by the Company or any other obligor on
the Notes), and the Company and the Paying Agent shall notify the Trustee of any
Default by the

 
                                      -37-


Company (or any other obligor on the Notes) in making any such payment. The
Company at any time may require a Paying Agent to distribute all assets held by
it to the Trustee and account for any assets disbursed and the Trustee may at
any time during the continuance of any payment Default, upon written request to
a Paying Agent, require such Paying Agent to distribute all assets held by it to
the Trustee and to account for any assets distributed. Upon distribution to the
Trustee of all assets that shall have been delivered by the Company to the
Paying Agent, the Paying Agent shall have no further liability for such assets.

                  SECTION 2.05. Holder Lists.

                  The Trustee shall preserve in as current a form as is
reasonably practicable the most recent list available to it of the names and
addresses of the Holders and shall otherwise comply with TIA ss. 312(a). If the
Trustee is not the Registrar, the Company shall furnish or cause the Registrar
to furnish to the Trustee five (5) Business Days before each Record Date and at
such other times as the Trustee may request in writing a list as of such date
and in such form as the Trustee may reasonably require of the names and
addresses of the Holders, which list may be conclusively relied upon by the
Trustee, and the Company shall otherwise comply with TIA ss. 312(a).

                  SECTION 2.06. Transfer and Exchange.

                  Subject to Sections 2.16 and 2.17, when Notes are presented to
the Registrar or a co-Registrar with a request to register the transfer of such
Notes or to exchange such Notes for an equal principal amount of Notes or other
authorized denominations, the Registrar or co-Registrar shall register the
transfer or make the exchange as requested if its requirements for such
transaction are met; provided, however, that the Notes presented or surrendered
for registration of transfer or exchange shall be duly endorsed or accompanied
by a written instrument of transfer in form satisfactory to the Company, the
Trustee and the Registrar or co-Registrar, duly executed by the Holder thereof
or his attorney duly authorized in writing. To permit registration of transfers
and exchanges, the Company shall execute and the Trustee shall authenticate
Notes and, at and after consummation of the Merger, the Subsidiary Guarantors
shall execute Guarantees thereon at the Registrar's or co-Registrar's request.
No service charge shall be made for any registration of transfer or exchange,
but the Company may require payment of a sum sufficient to cover any transfer
tax, fee or similar governmental charge payable in connection there-

 
                                      -38-


with (other than any such transfer taxes or similar governmental charge payable
upon exchanges or transfers pursuant to Section 2.10, 3.04, 4.15, 4.16 or 9.05,
in which event the Company shall be responsible for the payment of such taxes).

                  The Registrar or co-Registrar shall not be required to
register the transfer of or exchange of any Note (i) during a period beginning
at the opening of business 15 days before the mailing of a notice of redemption
of Notes and ending at the close of business on the day of such mailing and (ii)
selected for redemption in whole or in part pursuant to Article Three, except
the unredeemed portion of any Note being redeemed in part.

                  Any Holder of a beneficial interest in a Global Note shall, by
acceptance of such Global Note, agree that transfers of beneficial interests in
such Global Notes may be effected only through a book entry system maintained by
the Holder of such Global Note (or its agent), and that ownership of a
beneficial interest in the Note shall be required to be reflected in a book
entry system.

                  SECTION 2.07. Replacement Notes.

                  If a mutilated Note is surrendered to the Trustee or if the
Holder of a Note claims that the Note has been lost, destroyed or wrongfully
taken, the Company shall issue and the Trustee shall authenticate a replacement
Note and, at and after consummation of the Merger, the Subsidiary Guarantors
shall execute a Guarantee thereon if the Trustee's requirements are met. If
required by the Trustee or the Company, such Holder must provide an indemnity
bond or other indemnity of reasonable tenor, sufficient in the reasonable
judgment of the Company, the Subsidiary Guarantors and the Trustee, to protect
the Company, the Subsidiary Guarantors, the Trustee or any Agent from any loss
which any of them may suffer if a Note is replaced. Every replacement Note shall
constitute an additional obligation of the Company and the Subsidiary
Guarantors.

                  SECTION 2.08. Outstanding Notes.

                  Notes outstanding at any time are all the Notes that have been
authenticated by the Trustee except those canceled by it, those delivered to it
for cancellation and those described in this Section as not outstanding. Subject
to the provisions of Section 2.09, a Note does not cease to be outstanding
because the Company or any of its Affiliates holds the Note.

 
                                      -39-


                  If a Note is replaced pursuant to Section 2.07 (other than a
mutilated Note surrendered for replacement), it ceases to be outstanding unless
the Trustee receives proof satisfactory to it that the replaced Note is held by
a bona fide purchaser. A mutilated Note ceases to be outstanding upon surrender
of such Note and replacement thereof pursuant to Section 2.07.

                  If on a Redemption Date or the Maturity Date the Paying Agent
holds U.S. Legal Tender or U.S. Government Obligations sufficient to pay all of
the principal, premium, if any, and interest due on the Notes payable on that
date and is not prohibited from paying such money to the Holders thereof
pursuant to the terms of this Indenture, then on and after that date such Notes
shall be deemed not to be outstanding and interest on them shall cease to
accrue.

                  SECTION 2.09. Treasury Notes.

                  In determining whether the Holders of the required principal
amount of Notes have concurred in any direction, waiver, consent or notice,
Notes owned by the Company or an Affiliate of the Company shall be considered as
though they are not outstanding, except that for the purposes of determining
whether the Trustee shall be protected in relying on any such direction, waiver
or consent, only Notes which a Trust Officer of the Trustee actually knows are
so owned shall be so considered. The Company shall notify the Trustee, in
writing, when either it or, to its knowledge, any of its Affiliates repurchases
or otherwise acquires Notes, of the aggregate principal amount of such Notes so
repurchased or otherwise acquired and such other information as the Trustee may
reasonably request and the Trustee shall be entitled to rely thereon.

                  SECTION 2.10. Temporary Notes.

                  Until definitive Notes are ready for delivery, the Company may
prepare and the Trustee shall authenticate temporary Notes upon receipt of a
written order of the Company in the form of an Officers' Certificate. The
Officers' Certificate shall specify the amount of temporary Notes to be
authenticated and the date on which the temporary Notes are to be authenticated.
Temporary Notes shall be substantially in the form of definitive Notes but may
have variations that the Company consider appropriate for temporary Notes and so
indicate in the Officers' Certificate. Without unreasonable delay, the Company
shall prepare, the Trustee shall authenticate and, at and after consummation of
the Merger, the Subsidiary Guarantors

 
                                      -40-


shall execute Guarantees on, upon receipt of a written order of the Company
pursuant to Section 2.02, definitive Notes in exchange for temporary Notes.

                  SECTION 2.11. Cancellation.

                  The Company at any time may deliver Notes to the Trustee for
cancellation. The Registrar and the Paying Agent shall forward to the Trustee
any Notes surrendered to them for transfer, exchange or payment. The Trustee, or
at the direction of the Trustee, the Registrar or the Paying Agent, and no one
else, shall cancel and, at the written direction of the Company, shall dispose,
in its customary manner, of all Notes surrendered for transfer, exchange,
payment or cancellation. Subject to Section 2.07, the Company may not issue new
Notes to replace Notes that they have paid or delivered to the Trustee for
cancellation. If the Company shall acquire any of the Notes, such acquisition
shall not operate as a redemption or satisfaction of the Indebtedness
represented by such Notes unless and until the same are surrendered to the
Trustee for cancellation pursuant to this Section 2.11.

                  SECTION 2.12. Defaulted Interest.

                  The Company will pay interest on overdue principal from time
to time on demand at the rate of interest then borne by the Notes. The Company
shall, to the extent lawful, pay interest on overdue installments of interest
(without regard to any applicable grace periods) from time to time on demand at
the rate of interest then borne by the Notes. Interest will be computed on the
basis of a 360-day year comprised of twelve 30-day months, and, in the case of a
partial month, the actual number of days elapsed.

                  If the Company defaults in a payment of interest on the Notes,
it shall pay the defaulted interest, plus (to the extent lawful) any interest
payable on the defaulted interest, to the Persons who are Holders on a
subsequent special record date, which special record date shall be the fifteenth
day next preceding the date fixed by the Company for the payment of defaulted
interest or the next succeeding Business Day if such date is not a Business Day.
The Company shall notify the Trustee in writing of the amount of defaulted
interest proposed to be paid on each Note and the date of the proposed payment
(a "Default Interest Payment Date"), and at the same time the Company shall
deposit with the Trustee an amount of money equal to the aggregate amount
proposed to be paid in respect of such defaulted interest or shall make
arrangements satisfactory to

 
                                      -41-


the Trustee for such deposit on or prior to the date of the proposed payment,
such money when deposited to be held in trust for the benefit of the Persons
entitled to such defaulted interest as provided in this Section; provided,
however, that in no event shall the Company deposit monies proposed to be paid
in respect of defaulted interest later than 11:00 a.m. New York City time of the
proposed Default Interest Payment Date. At least 15 days before the subsequent
special record date, the Company shall mail (or cause to be mailed) to each
Holder, as of a recent date selected by the Company, with a copy to the Trustee,
a notice that states the subsequent special record date, the payment date and
the amount of defaulted interest, and interest payable on such defaulted
interest, if any, to be paid. Notwithstanding the foregoing, any interest which
is paid prior to the expiration of the 30-day period set forth in Section
6.01(i) shall be paid to Holders as of the regular record date for the Interest
Payment Date for which interest has not been paid. Notwithstanding the
foregoing, the Company may make payment of any defaulted interest in any other
lawful manner not inconsistent with the requirements of any securities exchange
on which the Notes may be listed, and upon such notice as may be required by
such exchange.

                  SECTION 2.13. CUSIP Number.

                  The Company in issuing the Notes may use a "CUSIP" number,
and, if so, the Trustee shall use the CUSIP number in notices of redemption or
exchange as a convenience to Holders; provided, however, that no representation
is hereby deemed to be made by the Trustee as to the correctness or accuracy of
the CUSIP number printed in the notice or on the Notes, and that reliance may be
placed only on the other identification numbers printed on the Notes. The
Company shall promptly notify the Trustee of any change in the CUSIP number.

                  SECTION 2.14. Deposit of Monies.

                  Prior to 11:00 a.m. New York City time on each Interest
Payment Date, Maturity Date, Redemption Date, Change of Control Payment Date and
Net Proceeds Offer Payment Date, the Company shall have deposited with the
Paying Agent in immediately available funds money sufficient to make cash
payments, if any, due on such Interest Payment Date, Maturity Date, Redemption
Date, Change of Control Payment Date and Net Proceeds Offer Payment Date, as the
case may be, in a timely manner which permits the Paying Agent to remit payment
to the Holders on such Interest Payment Date, Maturity Date, Redemption Date,

 
                                      -42-


Change of Control Payment Date and Net Proceeds Offer Payment Date, as the case
may be.

                  SECTION 2.15. Restrictive Legends.

                  Each Global Note and Physical Note that constitutes a
Restricted Security shall bear the legend (the "Private Placement Legend") as
set forth in Exhibit A on the face thereof until after the second anniversary of
the later of the Issue Date and the last date on which the Company or any
Affiliate of the Company was the owner of such Note (or any predecessor
security) (or such shorter period of time as permitted by Rule 144(k) under the
Securities Act or any successor provision thereunder) (or such longer period of
time as may be required under the Securities Act or applicable state securities
laws in the opinion of counsel for the Company, unless otherwise agreed by the
Company and the Holder thereof).

                  Each Global Note shall also bear the legend as set forth in
Exhibit C.

                  SECTION 2.16. Book-Entry Provisions for Global Security.

                  (a) The Global Notes initially shall (i) be registered in the
name of the Depository or the nominee of such Depository, (ii) be delivered to
the Trustee as custodian for such Depository and (iii) bear the legend as set
forth in Exhibit C.

                  Members of, or participants in, the Depository ("Agent
Members") shall have no rights under this Indenture with respect to any Global
Note held on their behalf by the Depository, or the Trustee as its custodian, or
under the Global Notes, and the Depository may be treated by the Company, the
Trustee and any Agent of the Company or the Trustee as the absolute owner of
such Global Note for all purposes whatsoever. Notwithstanding the foregoing,
nothing herein shall prevent the Company, the Trustee or any Agent of the
Company or the Trustee from giving effect to any written certification, proxy or
other authorization furnished by the Depository or impair, as between the
Depository and its Agent Members, the operation of customary practices governing
the exercise of the rights of a Holder of any Note.

                  (b) Transfers of a Global Note shall be limited to transfers
in whole, but not in part, to the Depository, its successors or their respective
nominees. Interests of benefi-

 
                                      -43-


cial owners in a Global Note may be transferred or exchanged for Physical Notes
in accordance with the rules and procedures of the Depository and the provisions
of Section 2.17. In addition, Physical Notes shall be transferred to all
beneficial owners in exchange for their beneficial interests in a Global Note if
(i) the Depository notifies the Company that it is unwilling or unable to
continue as Depository for the Global Notes and a successor depositary is not
appointed by the Company within 90 days of such notice or (ii) an Event of
Default has occurred and is continuing and the Registrar has received a written
request from the Depository to issue Physical Notes.

                  (c) In connection with any transfer or exchange of a portion
of the beneficial interest in a Global Note to beneficial owners pursuant to
paragraph (b), the Registrar shall (if one or more Physical Notes are to be
issued) reflect on its books and records the date and a decrease in the
principal amount of such Global Note in an amount equal to the principal amount
of the beneficial interest in the Global Note to be transferred, and the Company
shall execute, the Subsidiary Guarantors shall execute Guarantees on, and the
Trustee shall authenticate and deliver, one or more Physical Notes of like tenor
and amount.

                  (d) In connection with the transfer of an entire Global Note
to beneficial owners pursuant to paragraph (b) of this Section 2.16, such Global
Note shall be deemed to be surrendered to the Trustee for cancellation, and the
Company shall execute, the Subsidiary Guarantors shall execute Guarantees on and
the Trustee shall authenticate and deliver, to each beneficial owner identified
by the Depository in exchange for its beneficial interest in the Global Note, an
equal aggregate principal amount of Physical Notes of authorized denominations.

                  (e) Any Physical Note constituting a Restricted Security
delivered in exchange for an interest in a Global Note pursuant to paragraph (b)
or (c) of this Section 2.16 shall, except as otherwise provided by paragraphs
(a)(i)(x) and (c) of Section 2.17, bear the Private Placement Legend.

                  (f) The Holder of a Global Note may grant proxies and
otherwise authorize any Person, including Agent Members and Persons that may
hold interests through Agent Members, to take any action which a Holder is
entitled to take under this Indenture or the Notes.

 
                                      -44-


                  SECTION 2.17. Special Transfer Provisions.

                  (a) Transfers to Non-QIB Institutional Accredited Investors
and Non-U.S. Persons. The following provisions shall apply with respect to the
registration of any proposed transfer of a Note constituting a Restricted
Security to any Institutional Accredited Investor which is not a QIB or to any
Non-U.S. Person:

                   (i) the Registrar shall register the transfer of any Note
         constituting a Restricted Security, whether or not such Note bears the
         Private Placement Legend, if (x) the requested transfer is after the
         second anniversary of the Issue Date (provided, however, that neither
         the Company nor any Affiliate of the Company has held any beneficial
         interest in such Note, or portion thereof, at any time on or prior to
         the second anniversary of the Issue Date) or (y) (1) in the case of a
         transfer to an Institutional Accredited Investor which is not a QIB
         (excluding Non-U.S. Persons), the proposed transferee has delivered to
         the Registrar a certificate substantially in the form of Exhibit D
         hereto or (2) in the case of a transfer to a Non-U.S. Person, the
         proposed transferor has delivered to the Registrar a certificate
         substantially in the form of Exhibit E hereto; and

                 (ii) if the proposed transferee is an Agent Member and the
         Notes to be transferred consist of Physical Notes which after transfer
         are to be evidenced by an interest in the IAI Global Note or Regulation
         S Global Note, as the case may be, upon receipt by the Registrar of (x)
         written instructions given in accordance with the Depository's and the
         Registrar's procedures and (y) the appropriate certificate, if any,
         required by clause (y) of paragraph (i) above, the Registrar shall
         register the transfer and reflect on its books and records the date and
         an increase in the principal amount of the IAI Global Note or
         Regulation S Global Note, as to case may be, in an amount equal to the
         principal amount of Physical Notes to be transferred, and the Trustee
         shall cancel the Physical Notes so transferred; and

                (iii) if the proposed transferor is an Agent Member seeking to
         transfer an interest in a Global Note, upon receipt by the Registrar of
         (x) written instructions given in accordance with the Depository's and
         the Registrar's procedures and (y) the appropriate certificate, if any,
         required by clause (y) of paragraph (i) above, the Regis-

 
                                      -45-


         trar shall register the transfer and reflect on its books and records
         the date and (A) a decrease in the principal amount of the Global Note
         from which such interests are to be transferred in an amount equal to
         the principal amount of the Notes to be transferred and (B) an increase
         in the principal amount of the IAI Global Note or the Regulation S
         Global Note, as the case may be, in an amount equal to the principal
         amount of the Notes to be transferred.

                  (b) Transfers to QIBs. The following provisions shall apply
with respect to the registration of any proposed transfer of a Note constituting
a Restricted Security to a QIB (excluding transfers to Non-U.S. Persons):

                   (i) the Registrar shall register the transfer of any
         Restricted Security if such transfer is being made by a proposed
         transferor who has checked the box provided for on the form of Note
         stating, or has otherwise advised the Company and the Registrar in
         writing, that the sale has been made in compliance with the provisions
         of Rule 144A to a transferee who has signed the certification provided
         for on the form of Note stating, or has otherwise advised the Company
         and the Registrar in writing, that it is purchasing the Note for its
         own account or an account with respect to which it exercises sole
         investment discretion and that it and any such account is a QIB within
         the meaning of Rule 144A, and is aware that the sale to it is being
         made in reliance on Rule 144A and acknowledges that it has received
         such information regarding the Company as it has requested pursuant to
         Rule 144A or has determined not to request such information and that it
         is aware that the transferor is relying upon its foregoing
         representations in order to claim the exemption from registration
         provided by Rule 144A; and

                  (ii) if the proposed transferee is an Agent Member, and the
         Notes to be transferred consist of Physical Notes which after transfer
         are to be evidenced by an interest in a Global Note, upon receipt by
         the Registrar of written instructions given in accordance with the
         Depository's and the Registrar's procedures, the Registrar shall
         reflect on its books and records the date and an increase in the
         principal amount of such Global Note in an amount equal to the
         principal amount of the Physical Notes to be transferred, and the
         Trustee shall cancel the Physical Notes so transferred; and

 
                                      -46-


                 (iii) if the proposed transferor is an Agent Member seeking to
         transfer an interest in the IAI Global Note or the Regulation S Global
         Note, upon receipt by the Registrar of written instructions given in
         accordance with the Depository's and the Registrar's procedures, the
         Registrar shall register the transfer and reflect on its books and
         records the date and (A) a decrease in the principal amount of the IAI
         Global Note or the Regulation S Global Note, as the case may be, in an
         amount equal to the principal amount of the Notes to be transferred and
         (B) an increase in the principal amount of the Global Note in an amount
         equal to the principal amount of the Notes to be transferred.

                  (c) Restrictions on Transfer and Exchange of Global Notes.
Notwithstanding any other provisions of this Indenture, a Global Note may not be
transferred as a whole except by the Depository to a nominee of the Depository
or by a nominee of the Depository to the Depository or any such nominee to a
successor Depository or a nominee of such successor Depository.

                  (d) Private Placement Legend. Upon the transfer, exchange or
replacement of Notes not bearing the Private Placement Legend, the Registrar
shall deliver Notes that do not bear the Private Placement Legend. Upon the
transfer, exchange or replacement of Notes bearing the Private Placement Legend,
the Registrar shall deliver only Notes that bear the Private Placement Legend
unless (i) the requested transfer is after the second anniversary of the Issue
Date (provided, however, that neither the Company nor any Affiliate of the
Company has held any beneficial interest in such Note, or portion thereof, at
any time prior to or on the second anniversary of the Issue Date), or (ii) there
is delivered to the Registrar an Opinion of Counsel reasonably satisfactory to
the Company and the Trustee to the effect that neither such legend nor the
related restrictions on transfer are required in order to maintain compliance
with the provisions of the Securities Act.

                  (e) General. By its acceptance of any Note bearing the Private
Placement Legend, each Holder of such a Note acknowledges the restrictions on
transfer of such Note set forth in this Indenture and in the Private Placement
Legend and agrees that it will transfer such Note only as provided in this
Indenture.

                  The Registrar shall retain copies of all letters, notices and
other written communications received pursuant to Section 2.16 or this Section
2.17. The Company shall have

 
                                      -47-


the right to inspect and make copies of all such letters, notices or other
written communications at any reasonable time during the Registrar's normal
business hours upon the giving of reasonable written notice to the Registrar.

                  (f) Transfers of Notes Held by Affiliates. Any certificate (i)
evidencing a Note that has been transferred to an Affiliate of the Company
within two years after the Issue Date, as evidenced by a notation on the
Assignment Form for such transfer or in the representation letter delivered in
respect thereof or (ii) evidencing a Note that has been acquired from an
Affiliate of the Company (other than by an Affiliate of the Company) in a
transaction or a chain of transactions not involving any public offering, shall,
until two years after the last date on which the Company or any Affiliate of the
Company was an owner of such Note, in each case, bear the Private Placement
Legend, unless otherwise agreed by the Company (with written notice thereof to
the Trustee).

                  SECTION 2.18. Liquidated Damages Under Registration Rights
                                   Agreement.

                  Under certain circumstances, the Company shall be obligated to
pay certain liquidated damages to the Holders, all as set forth in Section 5 of
the Registration Rights Agreement. The terms thereof are hereby incorporated
herein by reference.


                                  ARTICLE THREE

                                   REDEMPTION


                  SECTION 3.01. Notices to Trustee.

                  If the Company elects to redeem Notes pursuant to Paragraph
(5) of the Notes, it shall notify the Trustee and the Paying Agent in writing of
the Redemption Date and the principal amount of the Notes to be redeemed.

                  The Company shall give each notice provided for in this
Section 3.01 at least 10 days before the date that notice of redemption is
mailed to Holders (unless a shorter notice period shall be satisfactory to the
Trustee, as evidenced in a writing signed on behalf of the Trustee), together
with an Officers' Certificate stating that such redemption shall comply with the
conditions contained herein and in the Notes. Any such notice may be cancelled
at any time prior to notice of

 
                                      -48-


such redemption being mailed to any Holder and shall thereby be void and of no
effect.

                  SECTION 3.02. Selection of Notes To Be Redeemed.

                  In the event that less than all of the Notes are to be
redeemed at any time, selection of such Notes for redemption will be made by the
Trustee in compliance with the requirements of the principal national securities
exchange, if any, on which such Notes are listed or, if such Notes are not then
listed on a national securities exchange, on a pro rata basis, by lot or by such
method as the Trustee shall deem fair and appropriate; provided, however, that
no Notes of a principal amount of $1,000 or less shall be redeemed in part;
provided, further, however, that if a partial redemption is made with the
proceeds of a Public Equity Offering, selection of the Notes or portions thereof
for redemption shall be made by the Trustee only on a pro rata basis or on as
nearly a pro rata basis as is practicable (subject to DTC procedures), unless
such method is otherwise prohibited. Notice of redemption shall be mailed by
first-class mail at least 30 but not more than 60 days before the Redemption
Date to each Holder of Notes to be redeemed at its registered address. If any
Note is to be redeemed in part only, the notice of redemption that relates to
such Note shall state the portion of the principal amount thereof to be
redeemed. A new Note in a principal amount equal to the unredeemed portion
thereof will be issued in the name of the Holder thereof upon cancellation of
the original Note. On and after the Redemption Date, interest will cease to
accrue on Notes or portions thereof called for redemption as long as the Company
has deposited with the Paying Agent funds in satisfaction of the applicable
Redemption Price.

                  SECTION 3.03. Optional Redemption.

                  The Notes will be redeemable, at the Company's option, in
whole at any time or in part from time to time, on and after January 15, 2003,
upon not less than 30 nor more than 60 days' notice, at the following Redemption
Prices (expressed as percentages of the principal amount thereof) if redeemed
during the twelve-month period commencing on January 15 of the years set forth
below, plus, in each case, accrued and unpaid interest thereon, if any, to the
date of redemption:

 
                                      -49-


    Year                                                   Percentage
    ----                                                   ----------
    2003....................................................106.000%
    2004....................................................104.500%
    2005....................................................103.000%
    2006....................................................101.500%
    2007 and thereafter.....................................100.000%

                  Notwithstanding the foregoing, at any time, or from time to
time, on or prior to January 15, 2001, the Company may, at its option, redeem,
with the net cash proceeds of one or more Public Equity Offerings, up to 35% of
the aggregate principal amount of the Notes originally issued at a redemption
price equal to 112.0% of the principal amount thereof, plus accrued interest
thereon, if any, to the date of redemption; provided, that at least 65% of the
aggregate principal amount of the Notes originally issued remain outstanding
immediately following such redemption. In order to effect the foregoing
redemption with the proceeds of any Public Equity Offering, the Company shall
make such redemption not more than 60 days after the consummation of any such
Public Equity Offering.

                  SECTION 3.04. Notice of Redemption.

                  At least 30 days but not more than 60 days before a Redemption
Date (unless a different period is required by Section 3.08), the Company shall
mail or cause to be mailed a notice of redemption by first class mail to each
Holder of Notes to be redeemed at its registered address, with a copy to the
Trustee and any Paying Agent. At the Company's request, the Trustee shall give
the notice of redemption in the Company's name and at the Company's expense. The
Company shall provide such notices of redemption to the Trustee at least five
days before the intended mailing date.

                  Each notice of redemption shall identify (including the CUSIP
number) the Notes to be redeemed and shall state:

                  (1) the Redemption Date;

                  (2) the Redemption Price and the amount of accrued interest,
         if any, to be paid;

                  (3) the name and address of the Paying Agent;

                  (4) the subparagraph of the Notes pursuant to which such
         redemption is being made;

 
                                      -50-


                  (5) that Notes called for redemption must be surrendered to
         the Paying Agent to collect the Redemption Price plus accrued interest,
         if any;

                  (6) that, unless the Company defaults in making the redemption
         payment, interest on Notes or applicable portions thereof called for
         redemption ceases to accrue on and after the Redemption Date, and the
         only remaining right of the Holders of such Notes is to receive payment
         of the Redemption Price plus accrued interest as of the Redemption
         Date, if any, upon surrender to the Paying Agent of the Notes redeemed;

                  (7) if any Note is being redeemed in part, the portion of the
         principal amount of such Note to be redeemed and that, after the
         Redemption Date, and upon surrender of such Note, a new Note or Notes
         in the aggregate principal amount equal to the unredeemed portion
         thereof will be issued; and

                  (8) if fewer than all the Notes are to be redeemed, the
         identification of the particular Notes (or portion thereof) to be
         redeemed, as well as the aggregate principal amount of Notes to be
         redeemed and the aggregate principal amount of Notes to be outstanding
         after such partial redemption.

                  The Company will comply with the requirements of Rule 14e-1
under the Exchange Act and any other securities laws and regulations thereunder
to the extent such laws and regulations are applicable in connection with the
purchase of Notes.

                  SECTION 3.05. Effect of Notice of Redemption.

                  Once notice of redemption is mailed in accordance with Section
3.04, such notice of redemption shall be irrevocable and Notes called for
redemption become due and payable on the Redemption Date and at the Redemption
Price plus accrued interest as of such date, if any. Upon surrender to the
Trustee or Paying Agent, such Notes called for redemption shall be paid at the
Redemption Price plus accrued interest thereon to the Redemption Date, but
installments of interest, the maturity of which is on or prior to the Redemption
Date, shall be payable to Holders of record at the close of business on the
relevant record dates referred to in the Notes. Interest shall accrue on or
after the Redemption Date and shall be payable only if the Company defaults in
payment of the Redemption Price.

 
                                      -51-


                  SECTION 3.06. Deposit of Redemption Price.

                  On or before the Redemption Date and in accordance with
Section 2.14, the Company shall deposit with the Paying Agent U.S. Legal Tender
sufficient to pay the Redemption Price plus accrued interest, if any, of all
Notes to be redeemed on that date. The Paying Agent shall promptly return to the
Company any U.S. Legal Tender so deposited which is not required for that
purpose, except with respect to monies owed as obligations to the Trustee
pursuant to Article Seven.

                  Unless the Company fails to comply with the preceding
paragraph and defaults in the payment of such Redemption Price plus accrued
interest, if any, interest on the Notes to be redeemed will cease to accrue on
and after the applicable Redemption Date, whether or not such Notes are
presented for payment.

                  SECTION 3.07. Notes Redeemed in Part.

                  Upon surrender of a Note that is to be redeemed in part, the
Trustee shall authenticate for the Holder a new Note or Notes equal in principal
amount to the unredeemed portion of the Note surrendered.

                  SECTION 3.08. Special Redemption Provisions Prior to
                          Effectiveness of the Merger.

                  (a) Optional Redemption Prior to Consummation of the Merger.
Upon termination of the Merger Agreement, or upon the Company's reasonable
determination that the Merger cannot or will not be consummated by October 29,
1998, the Company, at its option, may redeem the Notes in whole at any time
prior to October 29, 1998, upon not less than 10 nor more than 60 days' notice
(but in no event after October 29, 1998), at a redemption price of 102.5% of the
principal amount thereof, plus accrued and unpaid interest to the date of
redemption.

                  (b) Mandatory Redemption if Merger not Consummated. In the
event that the Merger is not consummated on or before October 29, 1998, the
Company shall immediately redeem the Notes in whole at a Redemption Price equal
to 102.5% of the principal amount of the Notes, plus accrued and unpaid interest
to the Redemption Date.

 
                                      -52-


                                  ARTICLE FOUR

                                    COVENANTS


                  SECTION 4.01. Payment of Notes.

                  (a) The Company shall pay the principal of, premium, if any,
and interest on the Notes on the dates and in the manner provided in the Notes
and in this Indenture.

                  (b) An installment of principal of or interest on the Notes
shall be considered paid on the date it is due if the Trustee or Paying Agent
(other than the Company or any of its Affiliates) holds, prior to 11:00 a.m. New
York City time on that date, U.S. Legal Tender designated for and sufficient to
pay the installment in full and is not prohibited from paying such money to the
Holders pursuant to the terms of this Indenture or the Notes.

                  (c) Notwithstanding anything to the contrary contained in this
Indenture, the Company may, to the extent it is required to do so by law, deduct
or withhold income or other similar taxes imposed by the United States of
America from principal or interest payments hereunder.

                  SECTION 4.02. Maintenance of Office or Agency.

                  The Company shall maintain the office or agency required under
Section 2.03. The Company shall give prior written notice to the Trustee of the
location, and any change in the location, of such office or agency. If at any
time the Company shall fail to maintain any such required office or agency or
shall fail to furnish the Trustee with the address thereof, such presentations,
surrenders, notices and demands may be made or served at the address of the
Trustee set forth in Section 11.02.

                  SECTION 4.03. Corporate Existence.

                  Except as otherwise permitted by Article Five, the Company
shall do or cause to be done, at its own cost and expense, all things necessary
to preserve and keep in full force and effect its corporate existence and the
corporate existence of each of its Subsidiaries in accordance with the
respective organizational documents of each such Subsidiary and the material
rights (charter and statutory) and franchises of the Company and each such
Subsidiary; provided, however, that the Com-

 
                                      -53-


pany shall not be required to preserve, with respect to itself, any material
right or franchise and, with respect to any of its Subsidiaries, any such
existence, material right or franchise, if the Board of Directors of the Company
shall determine in good faith that the preservation thereof is no longer
desirable in the conduct of the business of the Company and its Subsidiaries,
taken as a whole.

                  SECTION 4.04. Payment of Taxes and Other Claims.

                  The Company shall pay or discharge or cause to be paid or
discharged, before the same shall become delinquent, (i) all material taxes,
assessments and governmental charges (including withholding taxes and any
penalties, interest and additions to taxes) levied or imposed upon it or any of
its Subsidiaries or properties of it or any of its Subsidiaries and (ii) all
material lawful claims for labor, materials and supplies that, if unpaid, might
by law become a Lien upon the property of the Company or any of its
Subsidiaries; provided, however, that the Company shall not be required to pay
or discharge or cause to be paid or discharged any such tax, assessment, charge
or claim whose amount, applicability or validity is being contested in good
faith by appropriate negotiations or proceedings properly instituted and
diligently conducted for which adequate reserves, to the extent required under
GAAP, have been taken.

                  SECTION 4.05. Maintenance of Properties and Insurance.

                  (a) The Company shall, and shall cause each of the
Subsidiaries to, maintain all material properties used or useful in the conduct
of its business in good working order and condition (subject to ordinary wear
and tear) and make all necessary repairs, renewals, replacements, additions,
betterments and improvements thereto and actively conduct and carry on its
business; provided, however, that nothing in this Section 4.05 shall prevent the
Company or any of the Subsidiaries of the Company from discontinuing the
operation and maintenance of any of its properties, if such discontinuance is
(i) in the ordinary course of business pursuant to customary business terms or
(ii) in the good faith judgment of the respective Boards of Directors or other
governing body of the Company or Subsidiary, as the case may be, desirable in
the conduct of their respective businesses and is not disadvantageous in any
material respect to the Holders.

 
                                      -54-



                  (b) The Company shall provide or cause to be provided, for
itself and each of the Subsidiaries of the Company, insurance (including
appropriate self-insurance) against loss or damage of the kinds that, in the
good faith judgment of the Company, are adequate and appropriate for the conduct
of the business of the Company and its Subsidiaries in a prudent manner, with
reputable insurers.

                  SECTION 4.06. Compliance Certificate; Notice of Default.

                  (a) The Company shall deliver to the Trustee, within 120 days
after the end of each of the Company's fiscal years, an Officers' Certificate
(provided, however, that one of the signatories to each such Officers'
Certificate shall be the Company's principal executive officer, principal
financial officer or principal accounting officer), as to such Officers'
knowledge, without independent investigation, of the Company's compliance with
all conditions and covenants under this Indenture (without regard to any period
of grace or requirement of notice provided hereunder) and in the event any
Default of the Company's exists, such Officers shall specify the nature of such
Default. Each such Officers' Certificate shall also notify the Trustee should
the Company elect to change the manner in which it fixes its fiscal year-end.

                  (b) So long as not contrary to the then current
recommendations of the American Institute of Certified Public Accountants, the
annual financial statements delivered pursuant to Section 4.08 shall be
accompanied by a written report of the Company's independent certified public
accountants (who shall be a firm of established national reputation) stating (A)
that their audit examination has included a review of the terms of this
Indenture and the form of the Notes as they relate to accounting matters, and
(B) whether, in connection with their audit examination, any Default or Event of
Default has come to their attention and if such a Default or Event of Default
has come to their attention, specifying the nature and period of existence
thereof; provided, however, that, without any restriction as to the scope of the
audit examination, such independent certified public accountants shall not be
liable by reason of any failure to obtain knowledge of any such Default or Event
of Default that would not be disclosed in the course of an audit examination
conducted in accordance with generally accepted auditing standards.

                  (c) (i) If any Default or Event of Default has occurred and is
continuing or (ii) if any Holder seeks to exer-

 
                                      -55-


cise any remedy hereunder with respect to a claimed Default under this Indenture
or the Notes, the Company shall deliver to the Trustee, at its address set forth
in Section 11.02, by registered or certified mail or by facsimile transmission
followed by hard copy by registered or certified mail an Officers' Certificate
specifying such event, notice or other action within 10 days of its becoming
aware of such occurrence.

                  SECTION 4.07. Compliance with Laws.

                  The Company shall comply, and shall cause each of its
Subsidiaries to comply, with all applicable statutes, rules, regulations, orders
and restrictions of the United States of America, all states and municipalities
thereof, and of any governmental department, commission, board, regulatory
authority, bureau, agency and instrumentality of the foregoing, in respect of
the conduct of their respective businesses and the ownership of their respective
properties, except for such noncompliances as could not singly or in the
aggregate reasonably be expected to have a material adverse effect on the
financial condition or results of operations of the Company and its Subsidiaries
taken as a whole.

                  SECTION 4.08. Reports to Holders.

                  The Company will deliver to the Trustee within 15 days after
filing of the same with the Commission, copies of the quarterly and annual
reports and of the information, documents and other reports, if any, which the
Company is required to file with the Commission pursuant to Section 13 or 15(d)
of the Exchange Act. Notwithstanding that the Company may not be subject to the
reporting requirements of Section 13 or 15(d) of the Exchange Act, the Company
will file with the Commission, to the extent permitted, and provide the Trustee
and Holders with such annual reports and such information, documents and other
reports specified in Sections 13 and 15(d) of the Exchange Act. The Company will
also comply with the other provisions of Section 314(a) of the TIA.

                  SECTION 4.09. Waiver of Stay, Extension or Usury Laws.

                  The Company covenants (to the extent that it may lawfully do
so) that it will not at any time insist upon, plead, or in any manner whatsoever
claim or take the benefit or advantage of, any stay or extension law or any
usury law or other law that would prohibit or forgive the Company from paying
all or any portion of the principal of or interest on the Notes as

 
                                      -56-


contemplated herein, wherever enacted, now or at any time hereafter in force, or
which may affect the covenants or the performance of this Indenture; and (to the
extent that it may lawfully do so) the Company hereby expressly waives all
benefit or advantage of any such law, and covenants that it will not hinder,
delay or impede the execution of any power herein granted to the Trustee, but
will suffer and permit the execution of every such power as though no such law
had been enacted.

                  SECTION 4.10. Limitation on Restricted Payments.

                  The Company will not, and will not cause or permit any of its
Subsidiaries to, directly or indirectly,

                  (a) declare or pay any dividend or make any distribution
         (other than dividends or distributions made to the Company or any
         Subsidiary of the Company and other than any dividend or distribution
         payable solely in Qualified Capital Stock of the Company) on or in
         respect of shares of the Company's Capital Stock to holders of such
         Capital Stock;

                  (b) purchase, redeem or otherwise acquire or retire for value
         any Capital Stock of the Company or any warrants, rights or options to
         purchase or acquire shares of any class of such Capital Stock (other
         than the exchange of such Capital Stock or any warrants, rights or
         options to acquire shares of any class of Capital Stock of the Company
         for Qualified Capital Stock of the Company);

                  (c) make any principal payment on, purchase, defease, redeem,
         prepay, decrease or otherwise acquire or retire for value, prior to any
         scheduled final maturity, scheduled repayment or scheduled sinking fund
         payment, any Indebtedness of the Company or a Subsidiary Guarantor that
         is subordinate or junior in right of payment to the Notes or such
         Subsidiary Guarantor's Guarantee, as the case may be; or

                  (d) make any Investment (other than Permitted Investments)

(each of the foregoing actions set forth in clauses (a), (b), (c) and (d) being
referred to as a "Restricted Payment"), if at the time of such Restricted
Payment or immediately after giving effect thereto, (i) a Default or an Event of
Default shall have occurred and be continuing, or (ii) the Company is not able
to incur at least $1.00 of additional Indebtedness (other than

 
                                      -57-


Permitted Indebtedness) in compliance with Section 4.12, or (iii) the aggregate
amount of all Restricted Payments (including such proposed Restricted Payment)
made subsequent to the Issue Date (the amount expended for such purposes, if
other than in cash, being the fair market value of such property as determined
reasonably and in good faith by the Board of Directors of the Company) shall
exceed the sum of:

                  (w) 50% of the cumulative Consolidated Net Income (or if
         cumulative Consolidated Net Income shall be a loss, minus 100% of such
         loss) of the Company earned during the period beginning on the first
         day of the fiscal quarter including the Issue Date and ending on the
         last day of the fiscal quarter ending at least 30 days prior to the
         date the Restricted Payment occurs (the "Reference Date") (treating
         such period as a single accounting period); plus

                  (x) 100% of the aggregate net proceeds (including the fair
         market value of any business or property other than cash) received by
         the Company from any Person (other than a Subsidiary of the Company)
         from the issuance and sale subsequent to the Issue Date and on or prior
         to the Reference Date of Qualified Capital Stock of the Company,
         including treasury stock; plus

                  (y) without duplication of any amounts included in clause
         (iii)(x) above, 100% of the aggregate net cash proceeds of any equity
         contribution received by the Company from a holder of the Company's
         Capital Stock (excluding, in the case of clause (iii)(x) above and this
         clause (y), any net cash proceeds from a Public Equity Offering to the
         extent used to redeem the Notes); minus

                  (z) the amount of all Investments made under clause (x) of the
         definition of "Permitted Investments," which shall not exceed $4.0
         million.

Notwithstanding the foregoing, the provisions set forth above shall not
prohibit:

                  (1) the payment of any dividend or the consummation of any
         irrevocable redemption within 60 days after the date of declaration of
         such dividend or the giving of such irrevocable redemption notice if
         the dividend or redemption would have been permitted on the date of
         declaration or giving of irrevocable redemption notice;

 
                                      -58-


                  (2) if no Default or Event of Default shall have occurred and
         be continuing, the acquisition of any shares of Capital Stock of the
         Company, either (i) solely in exchange for shares of Qualified Capital
         Stock of the Company or (ii) through the application of net proceeds of
         a substantially concurrent sale for cash (other than to a Subsidiary of
         the Company) of shares of Qualified Capital Stock of the Company;

                  (3) if no Default or Event of Default shall have occurred and
         be continuing, the acquisition of any Indebtedness of the Company that
         is subordinate or junior in right of payment to the Notes either (i)
         solely in exchange for shares of Qualified Capital Stock of the
         Company, or (ii) through the application of net proceeds of a
         substantially concurrent sale for cash (other than to a Subsidiary of
         the Company) of (A) shares of Qualified Capital Stock of the Company or
         (B) Refinancing Indebtedness;

                  (4) the repurchase of shares of, or options to purchase shares
         of, common stock of Holdings, the Company or any of their respective
         Subsidiaries from employees, former employees, directors or former
         directors of Holdings, the Company or any of its Subsidiaries (or
         permitted transferees of such employees, former employees, directors or
         former directors), pursuant to the terms of the agreements (including
         employment agreements) or plans (or amendments thereto) approved by the
         board of directors of Holdings or the Company under which such
         individuals purchase or sell, or are granted the option to purchase or
         sell shares of common stock (or options to purchase common stock) (or
         any Restricted Payment made to Holdings solely to fund at the time made
         such payments); provided, however, that the aggregate amount of such
         repurchases or Restricted Payments shall not exceed $500,000 in any
         fiscal year (starting March 1, 1998, with no amount allowable prior to
         March 1, 1998) which, to the extent not used in any fiscal year, may be
         carried forward to succeeding fiscal years, provided that the aggregate
         amount which may be carried forward at any time shall not exceed $1.0
         million;

                  (5) following the Initial Public Equity Offering, if no
         Default or Event of Default shall have occurred and be continuing,
         dividends or Common Stock buybacks by Holdings, the Company or another
         issuer in an aggregate amount in any year not to exceed 6% of the
         aggregate Net Cash Proceeds received by Holdings (to the extent
         contributed to the Company) or the Company in connection with such

 
                                      -59-


         Initial Public Equity Offering and any subsequent Public Equity
         Offering (or any Restricted Payment made to Holdings or such other
         issuer solely to fund at the time made such payments); provided,
         however, that such dividends or Common Stock buybacks shall be included
         in the calculation of the amount of Restricted Payments;

                  (6) any payment by the Company to Holdings pursuant to the Tax
         Sharing Agreement; provided, however, that the amount of any such
         payment shall be the lesser of (i) the amount of taxes that the Company
         would have been liable for without regard to Holdings' ownership
         interest in the Company or (ii) the amount actually paid or
         substantially concurrently therewith to be paid by Holdings directly to
         the Internal Revenue Service or applicable taxing authority in respect
         of the taxes in respect of which such payment is being made by the
         Company to Holdings pursuant to such Tax Sharing Agreement; provided,
         further, however, that such dividends shall be excluded in the
         calculation of the amount of Restricted Payments; and

                  (7) dividends to Holdings to the extent required to pay for
         general corporate and overhead expenses incurred by Holdings; provided,
         however, that such dividends shall not exceed $250,000 in any calendar
         year; provided, further, however, that such dividends shall be excluded
         from the calculation of the amount of Restricted Payments.

                  In determining the aggregate amount of Restricted Payments
made subsequent to the Issue Date in accordance with clause (iii) of this
Section 4.10, amounts expended pursuant to clauses (1), (2)(ii), (3)(ii)(A)
shall be included in such calculation.

                  SECTION 4.11. Limitation on Transactions with Affiliates.

                  (a) The Company will not, and will not cause or permit any of
its Subsidiaries to, directly or indirectly, enter into or permit to exist any
transaction or series of related transactions (including, without limitation,
the purchase, sale, lease or exchange of any property or the rendering of any
service) with, or for the benefit of, any of its Affiliates (each an "Affiliate
Transaction"), other than (x) Affiliate Transactions permitted under paragraph
(b) of this Section 4.11 and (y) Affiliate Transactions on terms that are no
less favorable to the Company or such Subsidiary, as the case may be, than those
that might reasonably have been obtained or are ob-

 
                                      -60-


tainable in a comparable transaction at such time on an arm's-length basis from
a Person that is not an Affiliate of the Company or such Subsidiary, as the case
may be. All Affiliate Transactions (and each series of related Affiliate
Transactions which are similar or part of a common plan) involving aggregate
payments or other property with a fair market value in excess of $2.0 million
shall be approved by the Board of Directors of the Company or such Subsidiary,
as the case may be, such approval to be evidenced by a Board Resolution stating
that such Board of Directors has determined that such transaction complies with
the foregoing provisions. If the Company or any Subsidiary of the Company enters
into an Affiliate Transaction (or a series of related Affiliate Transactions
related to a common plan) involving aggregate payments or other property with a
fair market value in excess of $5.0 million, the Company or such Subsidiary, as
the case may be, shall, prior to the consummation thereof, obtain a favorable
opinion as to the fairness of such transaction or series of related transactions
to the Company or the relevant Subsidiary, as the case may be, from a financial
point of view, from an Independent Financial Advisor and file the same with the
Trustee.

                  (b) The restrictions set forth in clause (a) shall not apply
to (i) reasonable fees and compensation paid to and indemnity provided on behalf
of, officers, directors, employees, consultants or agents of the Company or any
Subsidiary of the Company as determined in good faith by the Company's Board of
Directors or senior management; (ii) transactions between or among the Company
and any of its Wholly Owned Subsidiaries or between or among such Wholly Owned
Subsidiaries; provided such transactions are not otherwise prohibited hereunder;
(iii) any agreement as in effect as of the Issue Date or any amendment thereto
or any transaction contemplated thereby (including pursuant to any amendment
thereto) or in any replacement agreement thereto so long as any such amendment
or replacement agreement is not more disadvantageous to the Holders in any
material respect than the original agreement as in effect on the Issue Date; and
(iv) Restricted Payments permitted hereunder.

                  SECTION 4.12. Limitation on Incurrence of Additional
                                 Indebtedness.

                  The Company will not, and will not cause or permit any of its
Subsidiaries to, directly or indirectly, create, incur, assume, guarantee,
acquire, become liable, contingently or otherwise, with respect to, or otherwise
become responsible for payment of (collectively, "incur"), any Indebtedness
(including, without limitation, Acquired Indebtedness) other

 
                                      -61-


than Permitted Indebtedness. Notwithstanding the foregoing, if no Default or
Event of Default shall have occurred and be continuing at the time of or as a
consequence of the incurrence of any such Indebtedness, the Company and its
Subsidiaries may incur Indebtedness (including, without limitation, Acquired
Indebtedness) if on the date of the incurrence of such Indebtedness, after
giving effect to the incurrence thereof, the Consolidated Fixed Charge Coverage
Ratio of the Company is greater than 2.25 to 1.0 from the Issue Date through
February 29, 2000 and 2.5 to 1.0 thereafter. No Indebtedness incurred pursuant
to the next preceding sentence shall be included in calculating any limitation
set forth in the definition of Permitted Indebtedness. Upon the repayment of
Indebtedness which may have been incurred pursuant to more than one provision of
this Indenture, the Company may, in its sole discretion, designate which
provision such Indebtedness shall have been incurred under.

                  For purposes of determining any particular amount of
Indebtedness under this Section 4.12, guarantees of Indebtedness otherwise
included in the determination of such amount shall not also be included.

                  Indebtedness of a Person existing at the time such Person
becomes a Subsidiary (whether by merger, consolidation, acquisition of Capital
Stock or otherwise) or is merged with or into the Company or any Subsidiary or
which is secured by a Lien on an asset acquired by the Company or a Subsidiary
(whether or not such Indebtedness is assumed by the acquiring Person) shall be
deemed incurred at the time the Person becomes a Subsidiary or at the time of
the asset acquisition, as the case may be.

                  SECTION 4.13. Limitation on Dividend and Other Payment
                      Restrictions Affecting Subsidiaries.

                  The Company will not, and will not cause or permit any of its
Subsidiaries to, directly or indirectly, create or otherwise cause or permit to
exist or become effective any encumbrance or restriction on the ability of any
Subsidiary of the Company to (a) pay dividends or make any other distributions
on or in respect of its Capital Stock; (b) make loans or advances or to pay any
Indebtedness or other obligation owed to the Company or any other Subsidiary of
the Company; or (c) transfer any of its property or assets to the Company or any
other Subsidiary of the Company, except for such encumbrances or restrictions
existing under or by reason of: (1) applicable law; (2) this Indenture; (3) the
Credit Agree-

 
                                      -62-


ment; (4) non-assignment provisions of any contract or any lease governing a
leasehold interest of any Subsidiary of the Company; (5) any instrument
governing Acquired Indebtedness, which encumbrance or restriction is not
applicable to any Person, or the properties or assets of any Person, other than
the Person or the properties or assets of the Person so acquired; (6) agreements
existing on the Issue Date to the extent and in the manner such agreements are
in effect on the Issue Date; (7) restrictions on the transfer of assets subject
to any Lien permitted under this Indenture imposed by the holder of such Lien;
(8) restrictions imposed by any agreement to sell assets permitted under this
Indenture to any Person pending the closing of such sale; (9) any agreement or
instrument governing Capital Stock of any Person that is acquired; or (10) an
agreement governing Indebtedness incurred to Refinance the Indebtedness issued,
assumed or incurred pursuant to an agreement referred to in clause (2), (3), (5)
or (6) above; provided, however, that the provisions relating to such
encumbrance or restriction contained in any such Indebtedness are no less
favorable to the Company in any material respect as determined by the Board of
Directors of the Company in their reasonable and good faith judgment than the
provisions relating to such encumbrance or restriction contained in agreements
referred to in such clause (2), (3), (5) or (6), respectively.

                  SECTION 4.14. [Intentionally Omitted]

                  SECTION 4.15. Change of Control.

                  (a) Upon the occurrence of a Change of Control, each Holder
will have the right to require that the Company purchase all or a portion of
such Holder's Notes pursuant to the offer described below (the "Change of
Control Offer"), at a purchase price equal to 101% of the principal amount
thereof plus accrued and unpaid interest to the date of purchase.

                  (b) Prior to the mailing of the notice referred to below, but
in any event within 30 days following any Change of Control, the Company
covenants to (i) repay in full all indebtedness, and terminate all commitments,
under the Credit Agreement and all other Senior Indebtedness the terms of which
require repayment upon a Change of Control or offer to repay in full all
indebtedness, and terminate all commitments, under the Credit Agreement and all
other such Senior Indebtedness and to repay the Indebtedness owed to each lender
which has accepted such offer or (ii) obtain the requisite consents under the
Credit Agreement and all other such Senior Indebtedness to permit the repurchase
of the Notes as provided below. The Company

 
                                      -63-


shall first comply with the covenant in the immediately preceding sentence
before it shall be required to repurchase Notes pursuant to the provisions
described below. The Company's failure to comply with the immediately preceding
sentence shall be governed by Section 6.01(iv) and not Section 6.01(ii).

                  (c) Within 30 days following the date upon which a Change of
Control occurs, the Company shall send, by first class mail, a notice to each
Holder at such Holder's last registered address, with a copy to the Trustee,
which notice shall govern the terms of the Change of Control Offer. The notice
to the Holders shall contain all instructions and materials necessary to enable
such Holders to tender Notes pursuant to the Change of Control Offer. Such
notice shall state:

                   (i) that the Change of Control Offer is being made pursuant
         to this Section 4.15, that all Notes tendered and not withdrawn will be
         accepted for payment and that the Change of Control Offer shall remain
         open for a period of 20 Business Days or such longer period as may be
         required by law;

                  (ii) the purchase price (including the amount of accrued
         interest) and the purchase date (which shall be no earlier than 30 days
         nor later than 45 days from the date such notice is mailed, other than
         as may be required by law) (the "Change of Control Payment Date");

                  (iii) that any Note not tendered will continue to accrue
         interest;

                  (iv) that, unless the Company defaults in making payment
         therefor, any Note accepted for payment pursuant to the Change of
         Control Offer shall cease to accrue interest after the Change of
         Control Payment Date;

                   (v) that Holders electing to have a Note purchased pursuant
         to a Change of Control Offer will be required to surrender the Note,
         with the form entitled "Option of Holder to Elect Purchase" on the
         reverse of the Note completed, to the Paying Agent at the address
         specified in the notice prior to the close of business on the third
         Business Day prior to the Change of Control Payment Date;

                  (vi) that Holders will be entitled to withdraw their election
         if the Paying Agent receives, not later than the second Business Day
         prior to the Change of Control Payment Date, a telegram, facsimile
         transmission or letter setting

 
                                      -64-


         forth the name of the Holder, the principal amount of the Notes the
         Holder delivered for purchase and a statement that such Holder is
         withdrawing its election to have such Notes purchased;

                 (vii) that Holders whose Notes are purchased only in part will
         be issued new Notes in a principal amount equal to the unpurchased
         portion of the Notes surrendered; provided, however, that each Note
         purchased and each new Note issued shall be in an original principal
         amount of $1,000 or integral multiples thereof; and

                  (viii) the circumstances and relevant facts regarding such
         Change of Control.

                  On or before the Change of Control Payment Date, the Company
shall (i) accept for payment Notes or portions thereof tendered pursuant to the
Change of Control Offer, (ii) deposit with the Paying Agent in accordance with
Section 2.14 U.S. Legal Tender sufficient to pay the purchase price plus accrued
interest, if any, of all Notes so tendered and (iii) deliver to the Trustee
Notes so accepted together with an Officers' Certificate stating the Notes or
portions thereof being purchased by the Company. Upon receipt by the Paying
Agent of the monies specified in clause (ii) above and a copy of the Officers'
Certificate specified in clause (iii) above, the Paying Agent shall promptly
mail to the Holders of Notes so accepted payment in an amount equal to the
purchase price plus accrued interest, if any, and the Trustee shall promptly
authenticate and mail to such Holders new Notes equal in principal amount to any
unpurchased portion of the Notes surrendered. For purposes of this Section 4.15,
the Trustee shall act as the Paying Agent.

                  Neither the Board of Directors of the Company nor the Trustee
may waive the provisions of this Section 4.15 relating to the Company's
obligation to make a Change of Control Offer.

                  The Company will comply with the requirements of Rule 14e-1
under the Exchange Act and any other securities laws and regulations thereunder
to the extent such laws and regulations are applicable in connection with the
repurchase of Notes pursuant to a Change of Control Offer. To the extent that
the provisions of any securities laws or regulations conflict with the
provisions of this Section 4.15, the Company shall comply with the applicable
securities laws and regulations and shall not be deemed to have breached its
obligations under the provisions of this Section 4.15 by virtue thereof.

 
                                      -65-


                  SECTION 4.16. Limitation on Asset Sales.

                  (a) The Company will not, and will not cause or permit any of
its Subsidiaries to, consummate an Asset Sale unless:

                   (i) the Company or the applicable Subsidiary, as the case may
         be, receives consideration at the time of such Asset Sale at least
         equal to the fair market value of the assets sold or otherwise disposed
         of (as determined in good faith by the Company's Board of Directors);

                  (ii) at least 75% of the consideration received by the Company
         or the Subsidiary, as the case may be, from such Asset Sale shall be in
         the form of cash or Cash Equivalents and is received at the time of
         such disposition; and

                 (iii) upon the consummation of an Asset Sale, the Company shall
         apply, or cause such Subsidiary to apply, the Net Cash Proceeds
         relating to such Asset Sale within 360 days of receipt thereof either
         (A) to prepay any Senior Indebtedness or Guarantor Senior Indebtedness
         and, in the case of any Senior Indebtedness or Guarantor Senior
         Indebtedness under any revolving credit facility, effect a permanent
         reduction in the commitment available under such revolving credit
         facility, (B) to make an investment in properties and assets that
         replace the properties and assets that were the subject of such Asset
         Sale or in properties and assets that will be used in the business of
         the Company and its Subsidiaries as existing on the Issue Date or in
         businesses reasonably related or complementary thereto (as determined
         in good faith by the Company's Board of Directors)("Replacement
         Assets") or (C) a combination of prepayment and investment permitted by
         the foregoing clauses (iii)(A) and (iii)(B). Pending final application,
         the Company or the applicable Subsidiary may temporarily reduce
         Indebtedness under any revolving credit facility or invest in cash or
         Cash Equivalents. On the 361st day after an Asset Sale or such earlier
         date, if any, as the Board of Directors of the Company or of such
         Subsidiary determines not to apply the Net Cash Proceeds relating to
         such Asset Sale as set forth in clauses (iii)(A), (iii)(B) and (iii)(C)
         of the next preceding sentence (each a "Net Proceeds Offer Trigger
         Date"), such aggregate amount of Net Cash Proceeds which have not been
         applied on or before such Net Proceeds Offer Trigger Date as permitted
         in clauses (iii)(A), (iii)(B) and (iii)(C) of

 
                                      -66-


         the next preceding sentence (each a "Net Proceeds Offer Amount") shall
         be applied by the Company or such Subsidiary to make an offer to
         purchase (a "Net Proceeds Offer") on a date (the "Net Proceeds Offer
         Payment Date") not less than 30 nor more than 45 days following the
         applicable Net Proceeds Offer Trigger Date, from all Holders on a pro
         rata basis, that amount of Notes equal to the Net Proceeds Offer Amount
         at a price equal to 100% of the principal amount of the Notes to be
         purchased, plus accrued and unpaid interest thereon, if any, to the
         date of purchase; provided, however, that if at any time any non-cash
         consideration received by the Company or any Subsidiary of the Company,
         as the case may be, in connection with any Asset Sale is converted into
         or sold or otherwise disposed of for cash (other than interest received
         with respect to any such non-cash consideration), then such conversion
         or disposition shall be deemed to constitute an Asset Sale hereunder
         and the Net Cash Proceeds thereof shall be applied in accordance with
         this Section 4.16. The Company or any such Subsidiary of the Company,
         as the case may be, may defer the Net Proceeds Offer until there is an
         aggregate unutilized Net Proceeds Offer Amount equal to or in excess of
         $5.0 million resulting from one or more Asset Sales (at which time, the
         entire unutilized Net Proceeds Offer Amount, and not just the amount in
         excess of $5.0 million, shall be applied as required pursuant to this
         paragraph).

                  (b) Notwithstanding the immediately preceding paragraph, the
Company and its Subsidiaries will be permitted to consummate an Asset Sale
without complying with such paragraph to the extent (i) at least 75% of the
consideration for such Asset Sale constitutes Replacement Assets and/or Cash
Equivalents and (ii) such Asset Sale is for fair market value; provided,
however, that any consideration constituting Cash Equivalents, if any, received
by the Company or any of its Subsidiaries in connection with any Asset Sale
permitted to be consummated under this paragraph shall constitute Net Cash
Proceeds subject to the provisions of the preceding paragraph.

                  (c) Subject to the deferral of the Net Proceeds Offer
contained in clause (a)(iii) above, each notice of a Net Proceeds Offer pursuant
to this Section 4.16 shall be mailed or caused to be mailed, by first class
mail, by the Company not more than 25 days after the Net Proceeds Offer Trigger
Date to all Holders at their last registered addresses, with a copy to the
Trustee. The notice shall contain all instructions and materials necessary to
enable such Holders to tender Notes pursu-

 
                                     -67-


ant to the Net Proceeds Offer and shall state the following terms:

                   (i) that the Net Proceeds Offer is being made pursuant to
         this Section 4.16, that all Notes tendered will be accepted for
         payment; provided, however, that if the aggregate principal amount of
         Notes tendered in a Net Proceeds Offer plus accrued interest at the
         expiration of such offer exceeds the aggregate amount of the Net
         Proceeds Offer, the Company shall select the Notes to be purchased on a
         pro rata basis (with such adjustments as may be deemed appropriate by
         the Company so that only Notes in denominations of $1,000 or multiples
         thereof shall be purchased) and that the Net Proceeds Offer shall
         remain open for a period of 20 Business Days or such longer period as
         may be required by law;

                  (ii) the purchase price (including the amount of accrued
         interest) and the Net Proceeds Offer Payment Date (which shall be not
         less than 30 nor more than 45 days (unless a longer period is required
         by law) following the applicable Net Proceeds Offer Trigger Date and
         which shall be at least five Business Days after the Trustee receives
         notice thereof from the Company);

                  (iii) that any Note not tendered will continue to accrue
         interest;

                  (iv) that, unless the Company defaults in making payment
         therefor, any Note accepted for payment pursuant to the Net Proceeds
         Offer shall cease to accrue interest after the Net Proceeds Offer
         Payment Date;

                   (v) that Holders electing to have a Note purchased pursuant
         to a Net Proceeds Offer will be required to surrender the Note, with
         the form entitled "Option of Holder to Elect Purchase" on the reverse
         of the Note completed, to the Paying Agent at the address specified in
         the notice prior to the close of business on the third Business Day
         prior to the Net Proceeds Offer Payment Date;

                  (vi) that Holders will be entitled to withdraw their election
         if the Paying Agent receives, not later than the second Business Day
         prior to the Net Proceeds Offer Payment Date, a telegram, facsimile
         transmission or letter setting forth the name of the Holder, the
         principal amount of the Notes the Holder delivered for purchase and a

 
                                      -68-


         statement that such Holder is withdrawing its election to have such
         Note purchased; and

                 (vii) that Holders whose Notes are purchased only in part will
         be issued new Notes in a principal amount equal to the unpurchased
         portion of the Notes surrendered; provided, however, that each Note
         purchased and each new Note issued shall be in an original principal
         amount of $1,000 or integral multiples thereof;

                  On or before the Net Proceeds Offer Payment Date, the Company
shall (i) accept for payment Notes or portions thereof tendered pursuant to the
Net Proceeds Offer which are to be purchased in accordance with item (b)(i)
above, (ii) deposit with the Paying Agent in accordance with Section 2.14 U.S.
Legal Tender sufficient to pay the purchase price plus accrued interest, if any,
of all Notes to be purchased and (iii) deliver to the Trustee Notes so accepted
together with an Officers' Certificate stating the Notes or portions thereof
being purchased by the Company. The Paying Agent shall promptly mail to the
Holders of Notes so accepted payment in an amount equal to the purchase price
plus accrued interest, if any. For purposes of this Section 4.16, the Trustee
shall act as the Paying Agent. The Trustee shall promptly authenticate and mail
to such Holders new Notes equal in principal amount to any unpurchased portion
of the Notes surrendered. Upon the payment of the purchase price for the Notes
accepted for purchase, the Trustee shall cancel such Notes. Any monies remaining
after the purchase of Notes pursuant to a Net Proceeds Offer shall be returned
within three Business Days by the Trustee to the Company except with respect to
monies owed as obligations to the Trustee pursuant to Article Seven. For
purposes of this Section 4.16, the Trustee shall act as the Paying Agent.

                  To the extent the amount of Notes tendered pursuant to any Net
Proceeds Offer is less than the amount of Net Cash Proceeds subject to such Net
Proceeds Offer, the Company may use any remaining portion of such Net Cash
Proceeds not required to fund the repurchase of tendered Notes for general
corporate purposes and such Net Proceeds Offer Amount shall be reset to zero.

                  (d) The Company will comply with the requirements of Rule
14e-1 under the Exchange Act and any other securities laws and regulations
thereunder to the extent such laws and regulations are applicable in connection
with the repurchase of Notes pursuant to a Net Proceeds Offer. To the extent
that the provisions of any securities laws or regulations conflict with the

 
                                      -69-


provisions of this Section 4.16, the Company shall comply with the applicable
securities laws and regulations and shall not be deemed to have breached its
obligations under the provisions of this Section 4.16 by virtue thereof.

                  SECTION 4.17. Limitation on Preferred Stock of Subsidiaries.

                  The Company will not permit any of its Subsidiaries to issue
any Preferred Stock (other than to the Company or to a Wholly Owned Subsidiary
of the Company) or permit any Person (other than the Company or a Wholly Owned
Subsidiary of the Company) to own any Preferred Stock of any Subsidiary of the
Company.

                  SECTION 4.18. Limitation on Liens.

                  The Company will not, and will not cause or permit any of its
Subsidiaries to, directly or indirectly, create, incur, assume or permit or
suffer to exist any Liens of any kind against or upon any property or assets of
the Company or any of its Subsidiaries (whether owned on the Issue Date or
acquired after the Issue Date), or any proceeds therefrom, or assign or
otherwise convey any right to receive income or profits therefrom unless (i) in
the case of Liens securing Indebtedness that is expressly subordinate or junior
in right of payment to the Notes or any Guarantee, the Notes and such Guarantee,
as the case may be, are secured by a Lien on such property, assets or proceeds
that is senior in priority to such Liens and (ii) in all other cases, the Notes
and the Guarantees are equally and ratably secured, except for (A) Liens
existing as of the Issue Date to the extent and in the manner such Liens are in
effect on the Issue Date; (B) Liens securing Senior Indebtedness and/or
Guarantor Senior Indebtedness; (C) Liens securing the Notes and the Guarantees;
(D) Liens of the Company or a Wholly Owned Subsidiary of the Company on assets
of any Subsidiary of the Company; (E) Liens securing Refinancing Indebtedness
which is incurred to Refinance any Indebtedness which has been secured by a Lien
permitted under this Indenture and which has been incurred in accordance with
the provisions of this Indenture; provided, however, that such Liens (1) are no
less favorable to the Holders and are not more favorable to the lienholders with
respect to such Liens than the Liens in respect of the Indebtedness being
Refinanced and (2) do not extend to or cover any property or assets of the
Company or any of its Subsidiaries not securing the Indebtedness so Refinanced
(other than property or assets subject to Liens under clause (B) above); and (F)
Permitted Liens.

 
                                      -70-


                  SECTION 4.19. Conduct of Business.

                  The Company will not, and will not cause or permit any of its
Subsidiaries to, engage in any businesses other than the businesses in which the
Company is engaged on the Issue Date, giving effect to the Merger, and any
businesses reasonably related or complementary thereto (as determined in good
faith by the Company's Board of Directors); provided, however, that the Company
shall not, and not cause or permit any of its Subsidiaries to, engage in any
business related to insurance other than as an insurance broker in which case
without the incurrence of any underwriting risk.

                  SECTION 4.20. Additional Subsidiary Guarantees.

                  If the Company or any of its Subsidiaries transfers or causes
to be transferred, in one transaction or a series of related transactions, any
property aggregating more than $50,000 to any Subsidiary that is not a
Subsidiary Guarantor or a Foreign Subsidiary, or if the Company or any of its
Subsidiaries shall organize, acquire or otherwise invest in another Subsidiary
that is not a Foreign Subsidiary, then such transferee or acquired or other
Subsidiary shall (a) execute and deliver to the Trustee a supplemental indenture
in form reasonably satisfactory to the Trustee pursuant to which such Subsidiary
shall unconditionally guarantee all of the Company's obligations under the Notes
and this Indenture on the terms set forth in this Indenture and (b) deliver to
the Trustee an Opinion of Counsel stating that such supplemental indenture has
been duly authorized, executed and delivered by such Subsidiary and constitutes
a legal, valid, binding and enforceable obligation of such Subsidiary except
that the enforcement thereof may be subject to (i) bankruptcy, insolvency,
reorganization, fraudulent conveyance, moratorium or other similar laws now or
hereafter in effect relating to creditors' rights generally and (ii) general
principles of equity and the discretion of the court before which any proceeding
therefor may be brought regardless of whether such enforcement is considered in
a proceeding in equity or at law; provided, however, that any Subsidiary
acquired on or after the Issue Date which is prohibited from entering into a
Guarantee pursuant to restrictions contained in any debt instrument or other
agreement in existence at the time such Subsidiary was so acquired which was not
entered into in anticipation or contemplation of such acquisition shall not be
required to become a Subsidiary Guarantor so long as any such restriction is in
existence and to the extent of such restriction. After the execution and
delivery of such

 
                                      -71-


supplemental indenture, such Subsidiary shall be a Subsidiary Guarantor for
all purposes of this Indenture.

                  SECTION 4.21. Prohibition on Incurrence of Senior Subordinated
                                      Debt.

                  The Company will not, and will not permit any Subsidiary
Guarantor to, incur or suffer to exist Indebtedness that by its terms (or by the
terms of any agreement governing such Indebtedness) is senior in right of
payment to the Notes or its Guarantee, as the case may be, and expressly
subordinate in right of payment to any other Indebtedness of the Company or such
Subsidiary Guarantor, as the case may be.

                  SECTION 4.22. Special Covenants Prior to Effectiveness of the
                                     Merger.

                  In addition to, and not in substitution for, any other
covenant or agreement contained in this Indenture, prior to the effectiveness of
the Merger,

                  (a) the Company will not incur or suffer to exist any
Indebtedness of the Company other than this Indenture and the Notes;

                  (b) the Company will not permit any of its Subsidiaries to,
incur or suffer to exist any Indebtedness other than Permitted Indebtedness
(other than Permitted Indebtedness incurred pursuant to clause (xii) or (xiii)
of the definition thereof);

                  (c) the Company will not, and will not permit any of its
Subsidiaries to, sell, transfer or otherwise dispose of, or create, incur,
assume or permit or suffer to exist any Lien on, any shares of capital stock of
ATC owned by the Company or any of its Subsidiaries except for the concurrent
sale in a single transaction for cash (other than to an Affiliate) by the
Company and its Subsidiaries of all such shares then owned by them and the
concurrent application of the net proceeds thereof to permanently retire and
redeem the Notes;

                  (d) the Company will not fail to perform or terminate, or
permit ATC to fail to perform or terminate, the Merger Agreement and the Company
will, and will cause ATC to, take all steps necessary to complete the Merger as
soon as practicable but in no event later than October 29, 1998;

 
                                      -72-


                  (e) the Company will not engage in any activities not directly
related to the consummation of the Merger (except that the Company may engage in
attempts to obtain the consent of Holders of the Notes pursuant to the
provisions of Article Nine);

                  (f) the Company will not permit ATC and its Subsidiaries to
engage in any transactions other than ones in the ordinary course of their
business consistent with past practice and other than ones directly related to
consummation of the Merger;

                  (g) the Company will not, and will not cause or permit any of
its Subsidiaries, directly or indirectly to make any Restricted Payment (other
than payments pursuant to the Tax Sharing Agreement);

                  (h) the Company will not, and will not cause or permit any of
its Subsidiaries to, make any Investment (other than Permitted Investments
described in clauses (ii), (iii), (iv), (v), (vi) and (vii) of the definition of
Permitted Investments);

                  (i) the Company will not permit ATC to sell or issue any
shares of its capital stock other than to the Company; and the Company will not
permit ATC or any of its Subsidiaries to sell or issue any shares of capital
stock of any of ATC's Subsidiaries other than to ATC or a wholly-owned
Subsidiary thereof;

                  (j) the Company will not have any Subsidiaries (other than ATC
and its Subsidiaries); and

                  (k) the Company will not sell any shares of capital stock of
ATC owned by it except for fair value and for cash and will either (a) invest
the net proceeds of any such sale in cash and Cash Equivalents or (b) use the
net proceeds to pay, prepay or redeem the Notes substantially concurrent with
such sale.

                  SECTION 4.23. Certain Net Proceeds to be Held by the Trustee.

                  Until the effectiveness of the Merger, the net proceeds of the
Notes after consummation of the Tender Offer (the "Proceeds") shall be held in
trust by the Trustee for the sole and exclusive benefit of the holders of the
Notes and as security for such Notes, and the Company shall not be entitled to

 
                                      -73-


the Proceeds nor have any interest in the Proceeds; provided, however, that the
Trustee shall, upon any redemption of the Notes pursuant to the provisions of
Section 3.08, apply the Proceeds then held by it to the redemption of the Notes
together with other funds therefor provided by the Company.

                  Upon or concurrently with the effectiveness of the Merger, as
evidenced by an Officers' Certificate, the Trustee shall release the Proceeds
then held by it to the Company. In addition, in the event that the Merger has
not been consummated by the date of the first semiannual interest payment, the
Trustee shall, upon written request of the Company, release the amount of
Proceeds necessary to make such payment.

                  Until so applied or so released, the Proceeds shall be
invested solely in U.S. Legal Tender or U.S. Government Obligations held by the
Trustee which do not have a stated maturity of more than the earlier of 30 days
from the date acquired by the Trustee or the date the Notes would be required to
be redeemed pursuant to Section 3.08.

                  SECTION 4.24. Guarantees of Certain Indebtedness

                  The Company will not permit any of its Subsidiaries which are
not already Subsidiary Guarantors, directly or indirectly, to incur, guarantee
or secure through the granting of Liens the payment of any Indebtedness of the
Company under the Credit Agreement or any refunding or refinancing thereof, in
each case unless such Subsidiary, the Company and the Trustee execute and
deliver a supplemental indenture evidencing such Subsidiary's Guarantee, such
Guarantee to be a senior subordinated unsecured obligation of such Subsidiary.
Neither the Company nor any such Guarantor shall be required to make a notation
on the Notes or the Guarantees to reflect any such subsequent Guarantee. Nothing
in this covenant shall be construed to permit any Subsidiary of the Company to
incur Indebtedness otherwise prohibited by Section 4.12.

 
                                      -74-


                                  ARTICLE FIVE

                              SUCCESSOR CORPORATION


                  SECTION 5.01. Merger, Consolidation and Sale of Assets.

                  (a) The Company will not, in a single transaction or series of
related transactions, consolidate or merge with or into any Person, or sell,
assign, transfer, lease, convey or otherwise dispose of (or cause or permit any
Subsidiary of the Company to sell, assign, transfer, lease, convey or otherwise
dispose of) all or substantially all of the Company's assets (determined on a
consolidated basis for the Company and its Subsidiaries) unless: (i) either (1)
the Company shall be the surviving or continuing corporation or (2) the Person
(if other than the Company) formed by such consolidation or into which the
Company is merged or the Person which acquires by sale, assignment, transfer,
lease, conveyance or other disposition the properties and assets of the Company
and its Subsidiaries substantially as an entirety (the "Surviving Entity") (x)
shall be a corporation organized and validly existing under the laws of the
United States or any state thereof or the District of Columbia and (y) shall
expressly assume, by supplemental indenture (in form and substance satisfactory
to the Trustee), executed and delivered to the Trustee, the due and punctual
payment of the principal of, premium, if any, and interest on all of the Notes
and the performance of every covenant of the Notes, this Indenture and the
Registration Rights Agreement on the part of the Company to be performed or
observed, as the case may be; (ii) immediately after giving effect to such
transaction and the assumption contemplated by clause (i)(2)(y) above (including
giving effect to any Indebtedness and Acquired Indebtedness incurred or
anticipated to be incurred in connection with or in respect of such
transaction), the Company or such Surviving Entity, as the case may be, (1)
shall have a Consolidated Net Worth equal to or greater than the Consolidated
Net Worth of the Company immediately prior to such transaction and (2)(x) shall
be able to incur at least $1.00 of additional Indebtedness (other than Permitted
Indebtedness) pursuant to Section 4.12 or (y) in the case of a merger or
consolidation with Holdings, shall have a Consolidated Fixed Charge Coverage
Ratio equal to or greater than the Consolidated Fixed Charge Coverage Ratio of
the Company immediately prior to such transaction; (iii) immediately before and
immediately after giving effect to such transaction and the assumption
contemplated by clause (i)(2)(y) above (including, without limita-

 
                                      -75-


tion, giving effect to any Indebtedness and Acquired Indebtedness incurred or
anticipated to be incurred and any Lien granted in connection with or in respect
of the transaction), no Default or Event of Default shall have occurred or be
continuing; and (iv) the Company or the Surviving Entity, as the case may be,
shall have delivered to the Trustee an Officers' Certificate and an Opinion of
Counsel, each stating that such consolidation, merger, sale, assignment,
transfer, lease, conveyance or other disposition and, if a supplemental
indenture is required in connection with such transaction, such supplemental
indenture comply with the applicable provisions hereof and that all conditions
precedent in this Indenture relating to such transaction have been satisfied.

                  (b) For purposes of the foregoing, the transfer (by lease,
assignment, sale or otherwise, in a single transaction or series of
transactions) of all or substantially all of the properties or assets of one or
more Subsidiaries of the Company the Capital Stock of which constitutes all or
substantially all of the properties and assets of the Company shall be deemed to
be the transfer of all or substantially all of the properties and assets of the
Company.

                  (c) Each Subsidiary Guarantor (other than any Subsidiary
Guarantor whose Guarantee is to be released in accordance with the terms of the
Guarantee and this Indenture in connection with any transaction complying with
the provisions of Section 4.16) will not, and the Company will not cause or
permit any Subsidiary Guarantor to, consolidate with or merge with or into any
Person other than the Company or another Subsidiary Guarantor that is a Wholly
Owned Subsidiary unless: (a) the entity formed by or surviving any such
consolidation or merger (if other than the Subsidiary Guarantor) is a
corporation organized and existing under the laws of the United States or any
state thereof or the District of Columbia; (b) such entity assumes by execution
of a supplemental indenture all of the obligations of the Subsidiary Guarantor
under its Guarantee; (c) immediately after giving effect to such transaction, no
Default or Event of Default shall have occurred and be continuing; and (d)
immediately after giving effect to such transaction and the use of any net
proceeds therefrom on a pro forma basis, the Company could satisfy the
provisions of clause (ii) of the first paragraph of this Section 5.01. Any
merger or consolidation of a Subsidiary Guarantor with and into the Company
(with the Company being the surviving entity) or another Subsidiary Guarantor
that is a Wholly Owned Subsidiary need only comply with clause (iv) (and not
clauses (i) (ii) or (iii)) of paragraph (a) of this Section 5.01.

 
                                      -76-


                  SECTION 5.02. Successor Corporation Substituted.

                  Upon any consolidation, combination or merger or any transfer
of all or substantially all of the assets of the Company in accordance with
Section 5.01, the successor Person formed by such consolidation or into which
the Company is merged or to which such conveyance, lease or transfer is made
shall succeed to, and be substituted for, and may exercise every right and power
of, the Company under this Indenture and the Notes with the same effect as if
such successor had been named as the Company herein and thereafter (except in
the case of a lease) the predecessor corporation will be relieved of all further
obligations and covenants under this Indenture and the Notes.


                                   ARTICLE SIX

                                    REMEDIES


                  SECTION 6.01. Events of Default.

                  An "Event of Default" means any of the following events:

                   (i) the failure to pay interest (including any Additional
         Interest, if any) on any Notes when the same becomes due and payable
         and the default continues for a period of 30 days (whether or not such
         payment is prohibited by Article Ten of this Indenture);

                  (ii) the failure to pay the principal on any Notes when such
         principal becomes due and payable, at maturity, upon acceleration, upon
         redemption or otherwise (including the failure to make a payment to
         purchase Notes tendered pursuant to a Change of Control Offer or a Net
         Proceeds Offer) (whether or not such payment is prohibited by Article
         Ten of this Indenture);

                  (iii) a default in the observance or performance of the
         covenants and agreements described in Section 4.22 and Section 4.23;

                  (iv) a default in the observance or performance of any other
         covenant or agreement contained in this Indenture which default
         continues for a period of 30 days after the Company receives written
         notice specifying the default

 
                                      -77-


         (and demanding that such default be remedied) from the Trustee or the
         Holders of at least 25% of the outstanding principal amount of the
         Notes (except in the case of a default with respect to Section 5.01,
         which will constitute an Event of Default with such notice requirement
         but without such passage of time requirement);

                  (v) the failure to pay at final maturity (giving effect to any
         applicable grace periods and any extensions thereof) the principal
         amount of any Indebtedness of the Company or any Subsidiary of the
         Company and such failure continues for a period of 20 days or more, or
         the acceleration of the final stated maturity of any such Indebtedness
         (which acceleration is not rescinded, annulled or otherwise cured
         within 20 days of receipt by the Company or such Subsidiary of notice
         of any such acceleration) if the aggregate principal amount of such
         Indebtedness, together with the principal amount of any other such
         Indebtedness in default for failure to pay principal at final maturity
         or which has been accelerated, in each case with respect to which the
         20-day period described above has passed, aggregates $10.0 million or
         more at any time;

                  (vi) one or more judgments in an aggregate amount in excess of
         $10.0 million shall have been rendered against the Company or any of
         its Significant Subsidiaries and such judgments remain undischarged,
         unpaid or unstayed for a period of 60 days after such judgment or
         judgments become final and non-appealable;

                  (vii) the Company or any of its Significant Subsidiaries
         pursuant to or under or within the meaning of any Bankruptcy Law:

                     (a) commences a voluntary case or proceeding;

                     (b) consents to the entry of an order for relief against it
                  in an involuntary case or proceeding;

                     (c) consents to the appointment of a Custodian of it or for
                  all or substantially all of its property; or

                     (d) makes a general assignment for the benefit of its
                  creditors; or

                  (viii) a court of competent jurisdiction enters an order or
         decree under any Bankruptcy Law that:

 
                                      -78-


                     (a) is for relief against the Company or any Significant
                  Subsidiary of the Company in an involuntary case or
                  proceeding,

                     (b) appoints a Custodian of the Company or any Significant
                  Subsidiary of the Company for all or substantially all of its
                  Properties, or

                     (c) orders the liquidation of the Company or any
                  Significant Subsidiary of the Company,

         and in each case the order or decree remains unstayed and in effect for
         60 consecutive days; or

                  (ix) any of the Guarantees of a Subsidiary Guarantor that is a
         Significant Subsidiary cease to be in full force and effect or any of
         such Guarantees are declared to be null and void or invalid and
         unenforceable or any of the Subsidiary Guarantors denies or disaffirms
         its liability under its Guarantees (other than by reason of release of
         a Subsidiary Guarantor in accordance with the terms of this Indenture);
         and

                   (x) at any time prior to the consummation of the Merger the
         Merger Agreement shall cease to be in full force and effect or any of
         the obligations of Holdings, the Company or ATC are declared to be null
         and void or invalid and unenforceable or any of Holdings, the Company
         or ATC denies or disaffirms any of its obligations under the Merger
         Agreement or a majority stockholders of ATC vote against the Merger in
         accordance with Delaware law.

                  SECTION 6.02. Acceleration.

                  (a) Upon the happening of an Event of Default specified in
Section 6.01 (other than an Event of Default specified in clause (vii) or (viii)
of Section 6.01 with respect to the Company) the Trustee may, or the holders of
at least 25% in principal amount of outstanding Notes may, declare the principal
of and accrued interest on all the Notes to be due and payable by notice in
writing to the Company and the Trustee specifying the respective Event of
Default and that it is a "notice of acceleration," (an "Acceleration Notice")
and the same (i) shall become immediately due and payable or (ii) if there are
any amounts outstanding under the Credit Agreement, shall become immediately due
and payable upon the first to occur of an acceleration under the Credit
Agreement or 5 Business Days after receipt by the Company and the Representative
under the

 
                                      -79-


Credit Agreement of such Acceleration Notice but only if such Event of Default
is then continuing. If an Event of Default of the type described in clause (vii)
or (viii) of Section 6.01 occurs and is continuing with respect to the Company,
then all unpaid principal of, and premium, if any, and accrued and unpaid
interest on all of the outstanding Notes shall ipso facto become and be
immediately due and payable without any declaration or other act on the part of
the Trustee or any Holder.

                  (b) At any time after a declaration of acceleration with
respect to the Notes as described in the preceding paragraph, the Holders of a
majority in aggregate principal amount of the Notes then outstanding by written
notice to the Company and the Trustee may rescind and cancel such declaration
and its consequences (i) if the rescission would not conflict with any judgment
or decree, (ii) if all existing Events of Default have been cured or waived
except nonpayment of principal or interest that has become due solely because of
such acceleration, (iii) to the extent the payment of such interest is lawful,
interest on overdue installments of interest and overdue principal, which has
become due otherwise than by such declaration of acceleration, has been paid,
(iv) if the Company has paid the Trustee its reasonable compensation and
reimbursed the Trustee for its expenses, disbursements and advances and (v) in
the event of the cure or waiver of an Event of Default of the type described in
clause (vii) or (viii) of Section 6.01, the Trustee shall have received an
Officers' Certificate and an Opinion of Counsel that such Event of Default has
been cured or waived; provided, however, that such counsel may rely, as to
matters of fact, on a certificate or certificates of officers of the Company. No
such rescission shall affect any subsequent Default or impair any right
consequent thereto.

                  SECTION 6.03. Other Remedies.

                  If an Event of Default occurs and is continuing, the Trustee
may pursue any available remedy by proceeding at law or in equity to collect the
payment of the principal of, premium, if any, or interest on the Notes or to
enforce the performance of any provision of the Notes or this Indenture.

                  All rights of action and claims under this Indenture or the
Notes may be enforced by the Trustee even if it does not possess any of the
Notes or does not produce any of them in the proceeding. A delay or omission by
the Trustee or any Holder in exercising any right or remedy accruing upon an
Event of Default shall not impair the right or remedy or constitute a waiver of
or acquiescence in the Event of Default. No remedy

 
                                      -80-


is exclusive of any other remedy. All available remedies are cumulative to the
extent permitted by law.

                  SECTION 6.04. Waiver of Past Defaults.

                  Prior to the declaration of acceleration of the Notes, the
Holders of not less than a majority in aggregate principal amount of the Notes
then outstanding by notice to the Trustee may, on behalf of the Holders of all
the Notes, waive any existing Default or Event of Default and its consequences
under this Indenture, except a Default or Event of Default specified in Section
6.01(i) or (ii) or in respect of any provision hereof which cannot be modified
or amended without the consent of the Holder so affected pursuant to Section
9.02. When a Default or Event of Default is so waived, it shall be deemed cured
and shall cease to exist. This Section 6.04 shall be in lieu of ss. 316(a)(1)(B)
of the TIA and such ss. 316(a)(1)(B) of the TIA is hereby expressly excluded
from this Indenture and the Notes, as permitted by the TIA.

                  SECTION 6.05. Control by Majority.

                  Subject to Section 2.09, the Holders of the Notes may not
enforce this Indenture or the Notes except as provided in this Article Six and
under the TIA. The Holders of not less than a majority in aggregate principal
amount of the outstanding Notes shall have the right to direct the time, method
and place of conducting any proceeding for any remedy available to the Trustee,
or exercising any trust or power conferred on the Trustee, provided, however,
that the Trustee may refuse to follow any direction (a) that conflicts with any
rule of law or this Indenture, (b) that the Trustee determines may be unduly
prejudicial to the rights of another Holder, or (c) that may expose the Trustee
to personal liability for which reasonable indemnity provided to the Trustee
against such liability shall be inadequate; provided, further, however, that the
Trustee may take any other action deemed proper by the Trustee that is not
inconsistent with such direction or this Indenture. This Section 6.05 shall be
in lieu of ss. 316(a)(1)(A) of the TIA, and such ss. 316(a)(1)(A) of the TIA is
hereby expressly excluded from this Indenture and the Notes, as permitted by the
TIA.

                  SECTION 6.06. Limitation on Suits.

                  No Holder of any Notes shall have any right to institute any
proceeding with respect to this Indenture or the Notes or any remedy hereunder,
unless the Holders of at least 25% in aggregate principal amount of the
outstanding Notes have made

 
                                      -81-


written request, and offered reasonable indemnity, to the Trustee to institute
such proceeding as Trustee under the Notes and this Indenture, the Trustee has
failed to institute such proceeding within 25 days after receipt of such notice,
request and offer of indemnity and the Trustee, within such 25-day period, has
not received directions inconsistent with such written request by Holders of not
less than a majority in aggregate principal amount of the outstanding Notes.

                  The foregoing limitations shall not apply to a suit instituted
by a Holder of a Note for the enforcement of the payment of the principal of,
premium, if any, or interest on, such Note on or after the respective due dates
expressed or provided for in such Note.

                  A Holder may not use this Indenture to prejudice the rights of
any other Holders or to obtain priority or preference over such other Holders.

                  SECTION 6.07. Right of Holders To Receive Payment.

                  Notwithstanding any other provision in this Indenture, the
right of any Holder of a Note to receive payment of the principal of, premium,
if any, and interest on such Note, on or after the respective due dates
expressed or provided for in such Note, or to bring suit for the enforcement of
any such payment on or after the respective due dates, is absolute and
unconditional and shall not be impaired or affected without the consent of the
Holder.

                  SECTION 6.08. Collection Suit by Trustee.

                  If an Event of Default specified in clause (i) or (ii) of
Section 6.01 occurs and is continuing, the Trustee may recover judgment in its
own name and as trustee of an express trust against the Company, or any other
obligor on the Notes for the whole amount of the principal of, premium, if any,
and accrued interest remaining unpaid, together with interest on overdue
principal and, to the extent that payment of such interest is lawful, interest
on overdue installments of interest, in each case at the rate per annum provided
for by the Notes and such further amount as shall be sufficient to cover the
costs and expenses of collection, including the reasonable compensation,
expenses, disbursements and advances of the Trustee, its agents and counsel.

 
                                      -82-


                  SECTION 6.09. Trustee May File Proofs of Claim.

                  The Trustee may file such proofs of claim and other papers or
documents as may be necessary or advisable in order to have the claims of the
Trustee (including any claim for the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents, counsel, accountants and
experts) and the Holders allowed in any judicial proceedings relative to the
Company or Subsidiaries (or any other obligor upon the Notes), their creditors
or their property and shall be entitled and empowered to collect and receive any
monies or other property payable or deliverable on any such claims and to
distribute the same, and any Custodian in any such judicial proceedings is
hereby authorized by each Holder to make such payments to the Trustee and, in
the event that the Trustee shall consent to the making of such payments directly
to the Holders, to pay to the Trustee any amount due to it for the reasonable
compensation, expenses, disbursements and advances of the Trustee, its agent and
counsel, and any other amounts due the Trustee under Section 7.07. The Company's
payment obligations under this Section 6.09 shall be secured in accordance with
the provisions of Section 7.07. Nothing herein contained shall be deemed to
authorize the Trustee to authorize or consent to or accept or adopt on behalf of
any Holder any plan of reorganization, arrangement, adjustment or composition
affecting the Notes or the rights of any Holder thereof, or to authorize the
Trustee to vote in respect of the claim of any Holder in any such proceeding.

                  SECTION 6.10. Priorities.

                  If the Trustee collects any money pursuant to this Article Six
it shall pay out such money in the following order:

         First: to the Trustee for compensation, expenses, disbursements and
         advances, and any other amounts in each case due under Section 7.07;

         Second: to Holders for interest accrued on the Notes, ratably, without
         preference or priority of any kind, according to the amounts due and
         payable on the Notes for interest;

         Third: to Holders for the principal amounts (including any premium)
         owing under the Notes, ratably, without preference or priority of any
         kind, according to the amounts due and payable on the Notes for the
         principal (including any premium); and

 
                                      -83-


         Fourth: the balance, if any, to the Company.

                  The Trustee, upon prior written notice to the Company, may fix
a record date and payment date for any payment to Holders pursuant to this
Section 6.10.

                  SECTION 6.11. Undertaking for Costs.

                  In any suit for the enforcement of any right or remedy under
this Indenture or in any suit against the Trustee for any action taken or
omitted by it as Trustee, a court may in its discretion require the filing by
any party litigant in the suit of an undertaking to pay the costs of the suit,
and the court in its discretion may assess reasonable costs, including
reasonable attorneys' fees, against any party litigant in the suit, having due
regard to the merits and good faith of the claims or defenses made by the party
litigant. This Section 6.11 does not apply to any suit by the Trustee, any suit
by a Holder pursuant to Section 6.07, or a suit by a Holder or Holders of more
than 10% in aggregate principal amount of the outstanding Notes.

                  SECTION 6.12. Restoration of Rights and Remedies.

                  If the Trustee or any Holder has instituted any proceeding to
enforce any right or remedy under this Indenture or any Note and such proceeding
has been discontinued or abandoned for any reason, or has been determined
adversely to the Trustee or to such Holder, then and in every such case the
Company, the Trustee and the Holders shall, subject to any determination in such
proceeding, be restored severally and respectively to their former positions
hereunder, and thereafter all rights and remedies of the Trustee and the Holders
shall continue as though no such proceeding had been instituted.


                                  ARTICLE SEVEN

                                     TRUSTEE


                  SECTION 7.01. Duties of Trustee.

                  (a) If an Event of Default has occurred and is continuing, the
Trustee may exercise such of the rights and powers vested in it by this
Indenture and shall use the same degree of care and skill in its exercise
thereof as a prudent person

 
                                      -84-


would exercise or use under the circumstances in the conduct of his own affairs.

                  (b) Except during the continuance of an Event of Default:

                  (1) The Trustee need perform only those duties as are
         specifically set forth in this Indenture and no duties, covenants or
         obligations of the Trustee shall be implied in this Indenture.

                  (2) In the absence of bad faith on its part, the Trustee may
         conclusively rely, as to the truth of the statements and the
         correctness of the opinions expressed therein, upon certificates or
         opinions furnished to the Trustee and conforming to the requirements of
         this Indenture. However, in the case of any such certificates or
         opinions that by any provision hereof are specifically required to be
         furnished to the Trustee, the Trustee shall examine the certificates
         and opinions to determine whether or not they conform to the
         requirements of this Indenture.

                  (c) Notwithstanding anything to the contrary herein contained,
the Trustee may not be relieved from liability for its own negligent action, its
own negligent failure to act, or its own willful misconduct, except that:

                  (1) This paragraph does not limit the effect of paragraph (b)
         of this Section 7.01.

                  (2) The Trustee shall not be liable for any error of judgment
         made in good faith by a Trust Officer, unless it is proved that the
         Trustee was negligent in ascertaining the pertinent facts.

                  (3) The Trustee shall not be liable with respect to any action
         it takes or omits to take in good faith in accordance with a direction
         received by it pursuant to Section 6.02, 6.04 or 6.05.

                  (d) No provision of this Indenture shall require the Trustee
to expend or risk its own funds or otherwise incur any financial liability in
the performance of any of its duties hereunder or in the exercise of any of its
rights or powers if it shall have reasonable grounds for believing that
repayment of such funds or adequate indemnity against such risk or liability is
not reasonably assured to it.

 
                                      -85-


                  (e) Every provision of this Indenture that in any way relates
to the Trustee is subject to paragraphs (a), (b), (c) and (d) of this Section
7.01 and Section 7.02.

                  (f) The Trustee shall not be liable for interest on any money
or assets received by it except as the Trustee may agree in writing with the
Company. Assets held in trust by the Trustee need not be segregated from other
assets except to the extent required by law.

                  (g) The Trustee may refuse to perform any duty or exercise any
right or power hereunder unless (i) it is provided adequate funds to enable it
to do so and (ii) it receives indemnity reasonably satisfactory to it against
any loss, liability, fee or expense.

                  SECTION 7.02. Rights of Trustee.

                  Subject to Section 7.01:

                  (a) The Trustee may rely and shall be fully protected in
         acting or refraining from acting upon any document believed by it to be
         genuine and to have been signed or presented by the proper Person. The
         Trustee need not and shall not be required to investigate any fact or
         matter stated in the document.

                  (b) Before the Trustee acts or refrains from acting, it may
         consult with counsel of its selection and may require an Officers'
         Certificate or an Opinion of Counsel, or both, which shall conform to
         Sections 11.04 and 11.05. The Trustee shall not be liable for any
         action it takes or omits to take in good faith in reliance on such
         Officers' Certificate or Opinion of Counsel.

                  (c) The Trustee may act through its attorneys and agents and
         shall not be responsible for the misconduct or negligence of any agent
         appointed with due care.

                  (d) The Trustee shall not be liable for any action that it
         takes or omits to take in good faith which it reasonably believes to be
         authorized or within its rights or powers.

                  (e) The Trustee shall not be bound to make any investigation
         into the facts or matters stated in any resolution, certificate,
         statement, instrument, opinion, notice, request, direction, consent,
         order, bond, debenture,

 
                                      -86-


         or other paper or document, but the Trustee, in its discretion, may
         make such further inquiry or investigation into such facts or matters
         as it may see fit, and, if the Trustee shall determine to make such
         further inquiry or investigation, it shall be entitled, upon reasonable
         notice to the Company, to examine the books, records, and premises of
         the Company, personally or by agent or attorney and to consult with the
         officers and representatives of the Company, including the Company's
         accountants and attorneys.

                  (f) The Trustee shall be under no obligation to exercise any
         of the rights or powers vested in it by this Indenture at the request,
         order or direction of any of the Holders pursuant to the provisions of
         this Indenture, unless such Holders shall have offered to the Trustee
         security or indemnity reasonably satisfactory to the Trustee against
         the costs, expenses and liabilities which may be incurred by it in
         compliance with such request, order or direction.

                  (g) The Trustee shall not be required to give any bond or
         surety in respect of the performance of its powers and duties
         hereunder.

                  (h) Delivery of reports, information and documents to the
         Trustee under Section 4.08 is for informational purposes only and the
         Trustee's receipt of the foregoing shall not constitute constructive
         notice of any information contained therein or determinable from
         information contained therein, including the Company's compliance with
         any of their covenants hereunder (as to which the Trustee is entitled
         to rely exclusively on Officers' Certificates).

                  SECTION 7.03. Individual Rights of Trustee.

                  The Trustee in its individual or any other capacity may become
the owner or pledgee of Notes and may otherwise deal with the Company, any of
their Subsidiaries, or their respective Affiliates with the same rights it would
have if it were not Trustee. Any Agent may do the same with like rights.
However, the Trustee must comply with Sections 7.10 and 7.11.

                  SECTION 7.04. Trustee's Disclaimer.

                  The Trustee shall not be responsible for and makes no
representation as to the validity or adequacy of this Indenture

 
                                      -87-


or the Notes, and it shall not be accountable for the Company's use of the
proceeds from the Notes, and it shall not be responsible for any statement of
the Company in this Indenture or any document entered into or issued in
connection with the issuance and sale of the Notes or any statement in the Notes
other than the Trustee's certificate of authentication.

                  SECTION 7.05. Notice of Default.

                  If a Default or an Event of Default occurs and is continuing
and if it is known to a Trust Officer, the Trustee shall mail to each Holder
notice of the uncured Default or Event of Default within 90 days after obtaining
knowledge thereof. Except in the case of a Default or an Event of Default in
payment of principal of, or interest on, any Note, including an accelerated
payment, a Default in payment on the Change of Control Payment Date pursuant to
a Change of Control Offer or on the Net Proceeds Offer Payment Date pursuant to
a Net Proceeds Offer and a Default in compliance with Article Five hereof, the
Trustee may withhold the notice if and so long as its Board of Directors, the
executive committee of its Board of Directors or a committee of its directors
and/or Trust Officers in good faith determines that withholding the notice is in
the interest of the Holders. The foregoing sentence of this Section 7.05 shall
be in lieu of the proviso to ss. 315(b) of the TIA and such proviso to ss.
315(b) of the TIA is hereby expressly excluded from this Indenture and the
Notes, as permitted by the TIA.

                  SECTION 7.06. Reports by Trustee to Holders.

                  Within 60 days after May 15 of each year beginning with 1998,
the Trustee shall, to the extent that any of the events described in TIA ss.
313(a) occurred within the previous twelve months, but not otherwise, mail to
each Holder a brief report dated as of such date that complies with TIA ss.
313(a). The Trustee also shall comply with TIA ss.ss. 313(b), (c) and (d).

                  A copy of each report at the time of its mailing to Holders
shall be mailed to the Company and filed with the Commission and each stock
exchange, if any, on which the Notes are listed.

                  The Company shall promptly notify the Trustee if the Notes
become listed on any stock exchange and the Trustee shall comply with TIA ss.
313(d).

 
                                      -88-


                  SECTION 7.07. Compensation and Indemnity.

                  The Company shall pay to the Trustee from time to time such
compensation for its services as has been agreed to in writing signed by the
Company and the Trustee. The Trustee's compensation shall not be limited by any
law on compensation of a trustee of an express trust. The Company shall
reimburse the Trustee upon request for all reasonable out-of-pocket
disbursements, advances or expenses incurred or made by it in connection with
the performance of its duties under this Indenture. Such expenses shall include
the reasonable fees and expenses of the Trustee's agents, counsel, accountants
and experts.

                  The Company shall indemnify each of the Trustee (or any
predecessor Trustee) and its agents, employees, stockholders, Affiliates and
directors and officers for, and hold them each harmless against, any and all
loss, liability, damage, claim or expense (including reasonable fees and
expenses of counsel), including taxes (other than taxes based on the income of
the Trustee) incurred by any of them except for such actions to the extent
caused by any negligence, bad faith or willful misconduct on their part, arising
out of or in connection with the acceptance or administration of this trust
including the reasonable costs and expenses of defending themselves against any
claim or liability in connection with the exercise or performance of any of
their rights, powers or duties hereunder. The Trustee shall notify the Company
promptly of any claim asserted against the Trustee for which it may seek
indemnity, provided, however, that failure to so notify the Company shall not
release the Company of its obligations hereunder unless and to the extent such
failure results in the forfeiture by the Company of substantial rights and
defenses. At the Trustee's sole discretion, the Company shall defend the claim
and the Trustee shall cooperate and may participate in the defense; provided,
however, that any settlement of a claim shall be approved in writing by the
Trustee if such settlement would result in an admission of liability by the
Trustee or if such settlement would not be accompanied by a full release of the
Trustee for all liability arising out of the events giving rise to such claim.
Alternatively, the Trustee may at its option have separate counsel of its own
choosing and the Company shall pay the reasonable fees and expenses of such
counsel.

                  To secure the Company's payment obligations in this Section
7.07, the Trustee shall have a lien prior to the Notes on all assets or money
held or collected by the Trustee, in its capacity as Trustee, except assets or
money held in trust to

 
                                      -89-


pay principal of or premium, if any, or interest on particular Notes.

                  When the Trustee incurs expenses or renders services after an
Event of Default specified in Section 6.01(vii) or (viii) occurs, such expenses
and the compensation for such services are intended to constitute expenses of
administration under any Bankruptcy Law.

                  The provisions of this Section 7.07 shall survive the
termination of this Indenture.

                  SECTION 7.08. Replacement of Trustee.

                  The Trustee may resign at any time by so notifying the Company
in writing at least 30 days in advance of such resignation; provided, however,
that no such resignation shall be effective until a successor Trustee has
accepted its appointment pursuant to this Section 7.08. The Holders of a
majority in principal amount of the outstanding Notes may remove the Trustee and
appoint a successor Trustee with the Company's consent, by so notifying the
Company and the Trustee. The Company may remove the Trustee if:

                  (1) the Trustee fails to comply with Section 7.10;

                  (2) the Trustee is adjudged bankrupt or insolvent or an order
         for relief is entered with respect to the Trustee under any Bankruptcy
         Law;

                  (3) a receiver or other public officer takes charge of the
         Trustee or its property; or

                  (4) the Trustee becomes incapable of acting.

                  If the Trustee resigns or is removed or if a vacancy exists in
the office of Trustee for any reason, the Company shall notify each Holder of
such event and shall promptly appoint a successor Trustee. Within one year after
the successor Trustee takes office, the Holders of a majority in aggregate
principal amount of the outstanding Notes may appoint a successor Trustee to
replace the successor Trustee appointed by the Company.

                  A successor Trustee shall deliver a written acceptance of its
appointment to the retiring Trustee and to the Company. Immediately after that,
the retiring Trustee shall transfer all property held by it as Trustee to the
successor

 
                                      -90-


Trustee, subject to the lien provided in Section 7.07, the resignation or
removal of the retiring Trustee shall become effective, and the successor
Trustee shall have all the rights, powers and duties of the Trustee under this
Indenture. The successor Trustee shall mail notice of such successor Trustee's
appointment to each Holder.

                  If a successor Trustee does not take office within 60 days
after the retiring Trustee resigns or is removed, the retiring Trustee, the
Company or the Holders of at least 10% in aggregate principal amount of the
outstanding Notes may petition any court of competent jurisdiction for the
appointment of a successor Trustee.

                  If the Trustee fails to comply with Section 7.10, any Holder
may petition any court of competent jurisdiction for the removal of the Trustee
and the appointment of a successor Trustee.

                  Notwithstanding any resignation or replacement of the Trustee
pursuant to this Section 7.08, the Company's obligations under Section 7.07
shall continue for the benefit of the retiring Trustee.

                  SECTION 7.09. Successor Trustee by Merger, Etc.

                  If the Trustee consolidates with, merges or converts into, or
transfers all or substantially all of its corporate trust business (including
its business pursuant to this Indenture) to, another corporation, the resulting,
surviving or transferee corporation without any further act shall, if such
resulting, surviving or transferee corporation is otherwise eligible hereunder,
be the successor Trustee; provided, however, that such corporation shall be
otherwise qualified and eligible under this Article Seven.

                  SECTION 7.10. Eligibility; Disqualification.

                  This Indenture shall always have a Trustee who satisfies the
requirement of TIA ss.ss. 310(a)(1), (2) and (5). The Trustee (or, in the case
of a Trustee that is a corporation included in a bank holding company system,
the related bank holding company) shall have a combined capital and surplus of
at least $100 million as set forth in its most recent published annual report of
condition, and have a Corporate Trust Office in the City of New York. In
addition, if the Trustee is a corporation included in a bank holding company
system, the Trustee, independently of such bank holding company, shall meet the

 
                                      -91-


capital requirements of TIA ss. 310(a)(2). The Trustee shall comply with TIA ss.
310(b); provided, however, that there shall be excluded from the operation of
TIA ss. 310(b)(1) any indenture or indentures under which other securities, or
certificates of interest or participation in other securities, of the Company
are outstanding, if the requirements for such exclusion set forth in TIA ss.
310(b)(1) are met. The provisions of TIA ss. 310 shall apply to the Company, as
obligor of the Notes.

                  SECTION 7.11. Preferential Collection of Claims Against the
                                    Company.

                  The Trustee shall comply with TIA ss. 311(a), excluding any
creditor relationship listed in TIA ss. 311(b). A Trustee who has resigned or
been removed shall be subject to TIA ss. 311(a) to the extent indicated therein.
The provisions of TIA ss. 311 shall apply to the Company, as obligor of the
Notes.


                                  ARTICLE EIGHT

                       DISCHARGE OF INDENTURE; DEFEASANCE


                  SECTION 8.01. Termination of Company's Obligations.

                  This Indenture will be discharged and will cease to be of
further effect (except as to surviving rights of registration of transfer or
exchange of the Notes, as expressly provided for in this Indenture) as to all
outstanding Notes when (i) either (a) all Notes theretofore authenticated and
delivered (except lost, stolen or destroyed Notes which have been replaced or
paid and Notes for whose payment money has theretofore been deposited in trust
or segregated and held in trust by the Company and thereafter repaid to the
Company or discharged from such trust) have been delivered to the Trustee for
cancellation or (b) all Notes not theretofore delivered to the Trustee for
cancellation have become due and payable and the Company has irrevocably
deposited or caused to be deposited with the Trustee funds in an amount
sufficient to pay and discharge the entire Indebtedness on the Notes not
theretofore delivered to the Trustee for cancellation, for principal of,
premium, if any, and interest on the Notes to the date of deposit together with
irrevocable instructions from the Company directing the Trustee to apply such
funds to the payment thereof at maturity or redemption, as the case may be; (ii)
the Company has paid all other sums payable under this Indenture by the Company;
and (iii) the Company has delivered to the Trustee an Officers'

 
                                      -92-


Certificate and an Opinion of Counsel stating that all conditions precedent
under this Indenture relating to the satisfaction and discharge of this
Indenture have been complied with.

                  The Company may, at its option and at any time, elect to have
its obligations and the corresponding obligations of the Subsidiary Guarantors
discharged with respect to the outstanding Notes ("Legal Defeasance"). Such
Legal Defeasance means that the Company shall be deemed to have paid and
discharged the entire indebtedness represented by the outstanding Notes, and
satisfied all of its obligations with respect to the Notes, except for (i) the
rights of Holders to receive payments in respect of the principal of, premium,
if any, and interest on the Notes when such payments are due, (ii) the Company's
obligations with respect to the Notes concerning issuing temporary Notes,
registration of Notes, mutilated, destroyed, lost or stolen Notes and the
maintenance of an office or agency for payments, (iii) the rights, powers,
trust, duties and immunities of the Trustee and the Company's obligations in
connection therewith and (iv) the Legal Defeasance provisions of this Section
8.01. In addition, the Company may, at its option and at any time, elect to have
the obligations of the Company and the Subsidiary Guarantors, if any, released
with respect to covenants contained in Sections 4.10 through 4.24 and Article
Five ("Covenant Defeasance") and thereafter any omission to comply with such
obligations shall not constitute a Default or Event of Default with respect to
the Notes. In the event of Covenant Defeasance, those events described under
Section 6.01 (except those events described in Section 6.01(i),(ii),(vii) and
(viii)) will no longer constitute an Event of Default with respect to the Notes.

                  In order to exercise either Legal Defeasance or Covenant
Defeasance:

                   (i) the Company must irrevocably deposit with the Trustee, in
         trust, for the benefit of the Holders cash in United States dollars,
         non-callable U.S. Government Obligations, or a combination thereof, in
         such amounts as will be sufficient, in the opinion of a nationally
         recognized firm of independent public accountants, to pay the principal
         of, premium, if any, and interest on the Notes on the stated date for
         payment thereof or on the applicable Redemption Date, as the case may
         be;

                  (ii) in the case of Legal Defeasance, the Company shall have
         delivered to the Trustee an Opinion of Counsel in the United States
         reasonably acceptable to the Trustee

 
                                      -93-


         confirming that (A) the Company has received from, or there has been
         published by, the Internal Revenue Service a ruling or (B) since the
         date of this Indenture, there has been a change in the applicable
         federal income tax law, in either case to the effect that, and based
         thereon such Opinion of Counsel shall confirm that, the Holders will
         not recognize income, gain or loss for federal income tax purposes as a
         result of such Legal Defeasance and will be subject to federal income
         tax on the same amounts, in the same manner and at the same times as
         would have been the case if such Legal Defeasance had not occurred;
         provided, however, such Opinion of Counsel will not be required if all
         the Notes will become due and payable on the maturity date within one
         year or are to be called for redemption within one year under
         arrangements satisfactory to the Trustee;

                 (iii) in the case of Covenant Defeasance, the Company shall
         have delivered to the Trustee an Opinion of Counsel in the United
         States reasonably acceptable to the Trustee confirming that the Holders
         will not recognize income, gain or loss for federal income tax purposes
         as a result of such Covenant Defeasance and will be subject to federal
         income tax on the same amounts, in the same manner and at the same
         times as would have been the case if such Covenant Defeasance had not
         occurred;

                  (iv) no Default or Event of Default shall have occurred and be
         continuing on the date of such deposit or insofar as Events of Default
         under Section 6.01(vii) or (viii) are concerned, at any time in the
         period ending on the 91st day after the date of deposit (other than a
         Default or Event of Default resulting from the incurrence of
         Indebtedness all or a portion of the proceeds of which will be used to
         defease the Notes);

                   (v) such Legal Defeasance or Covenant Defeasance shall not
         result in a breach or violation of, or constitute a default under this
         Indenture or any other material agreement or instrument to which the
         Company or any of its Subsidiaries is a party or by which the Company
         or any of its Subsidiaries is bound;

                  (vi) the Company shall have delivered to the Trustee an
         Officers' Certificate stating that the deposit was not made by the
         Company with the intent of preferring the Holders over any other
         creditors of the Company or with

 
                                      -94-


         the intent of defeating, hindering, delaying or defrauding any other
         creditors of the Company or others;

                 (vii) the Company shall have delivered to the Trustee an
         Officers' Certificate and an Opinion of Counsel, each stating that all
         conditions precedent provided for or relating to the Legal Defeasance
         or the Covenant Defeasance, as the case may be, have been complied
         with; provided, however, that such counsel may rely, as to matters of
         fact, on a certificate or certificates of officers of the Company;

                (viii) the Company shall have delivered to the Trustee an
         Opinion of Counsel to the effect that after the 91st day following the
         deposit, the trust funds will not be subject to the effect of any
         applicable bankruptcy, insolvency, reorganization or similar laws
         affecting creditors' rights generally; provided, however, that such
         counsel may rely, as to matters of fact, on a certificate or
         certificates of officers of the Company; and

                  (ix) certain other customary conditions precedent are
         satisfied.

                  SECTION 8.02. Application of Trust Money.

                  The Trustee or Paying Agent shall hold in trust U.S. Legal
Tender or U.S. Government Obligations deposited with it pursuant to Section
8.01, and shall apply the deposited U.S. Legal Tender and the money from U.S.
Government Obligations in accordance with this Indenture to the payment of the
principal of and interest on the Notes. The Trustee shall be under no obligation
to invest said U.S. Legal Tender or U.S. Government Obligations except as it may
agree in writing with the Company.

                  The Company shall pay and indemnify the Trustee against any
tax, fee or other charge imposed on or assessed against the U.S. Legal Tender or
U.S. Government Obligations deposited pursuant to Section 8.01 or the principal
and interest received in respect thereof other than any such tax, fee or other
charge which by law is for the account of the Holders of outstanding Notes.

                  SECTION 8.03. Repayment to the Company.

                  Subject to Section 8.01, the Trustee and the Paying Agent
shall promptly pay to the Company upon request any excess U.S. Legal Tender or
U.S. Government Obligations held by them

 
                                      -95-


at any time and thereupon shall be relieved from all liability with respect to
such money. The Trustee and the Paying Agent shall pay to the Company upon
request any money held by them for the payment of principal or interest that
remains unclaimed for one year; provided, however, that the Trustee or such
Paying Agent, before being required to make any payment, may at the expense of
the Company cause to be published once in a newspaper of general circulation in
the City of New York or mail to each Holder entitled to such money notice that
such money remains unclaimed and that after a date specified therein which shall
be at least 30 days from the date of such publication or mailing any unclaimed
balance of such money then remaining will be repaid to the Company. After
payment to the Company, Holders entitled to such money must look to the Company
for payment as general creditors unless an applicable law designates another
Person.

                  SECTION 8.04. Reinstatement.

                  If the Trustee or Paying Agent is unable to apply any U.S.
Legal Tender or U.S. Government Obligations in accordance with Section 8.01 by
reason of any legal proceeding or by reason of any order or judgment of any
court or governmental authority enjoining, restraining or otherwise prohibiting
such application, the Company's obligations under this Indenture and the Notes
shall be revived and reinstated as though no deposit had occurred pursuant to
Section 8.01 until such time as the Trustee or Paying Agent is permitted to
apply all such U.S. Legal Tender or U.S. Government Obligations in accordance
with Section 8.01; provided, however, that if the Company has made any payment
of interest on or principal of any Notes because of the reinstatement of their
obligations, the Company shall be subrogated to the rights of the Holders of
such Notes to receive such payment from the U.S. Legal Tender or U.S. Government
Obligations held by the Trustee or Paying Agent.

                  SECTION 8.05. Acknowledgment of Discharge by Trustee.

                  After (i) the conditions of Section 8.01 have been satisfied,
(ii) the Company has paid or caused to be paid all other sums payable hereunder
by the Company and (iii) the Company has delivered to the Trustee an Officers'
Certificate and an Opinion of Counsel, each stating that all conditions
precedent referred to in clause (i) above relating to the satisfaction and
discharge of this Indenture have been complied with, the Trustee upon request
shall acknowledge in writing the discharge of the Company's obligations under
this Indenture except

 
                                      -96-


for those surviving obligations specified in Section 8.01; provided the legal
counsel delivering such Opinion of Counsel may rely as to matters of fact on one
or more Officers' Certificates of the Company.


                                  ARTICLE NINE

                          MODIFICATION OF THE INDENTURE


                  SECTION 9.01. Without Consent of Holders.

                  Notwithstanding Section 9.02, the Company, the Subsidiary
Guarantors and the Trustee may amend, waive or supplement this Indenture without
notice to or consent of any Holder: (a) to cure any ambiguity, defect or
inconsistency; (b) to comply with Section 5.01 of this Indenture; (c) to provide
for uncertificated Notes in addition to certificated Notes; (d) to comply with
any requirements of the Commission in order to effect or maintain the
qualification of this Indenture under the TIA; or (e) to make any change that
would provide any additional benefit or rights to the Holders or that does not
adversely affect the rights of any Holder in any material respect.
Notwithstanding the foregoing (but except as otherwise provided by Section 9.02)
the Trustee and the Company may not make any change that adversely affects the
rights of any Holder under this Indenture without the consent of such Holder. In
formulating its opinion on such matters, the Trustee will be entitled to rely on
such evidence as it deems appropriate, including, without limitation, solely on
an Opinion of Counsel; provided, however, that in delivering such Opinion of
Counsel, such counsel may rely as to matters of fact, on a certificate or
certificates of officers of the Company.

                  SECTION 9.02. With Consent of Holders.

                  All other modifications, waivers and amendments of this
Indenture may be made with the consent of the Holders of a majority in principal
amount of the then outstanding Notes, except that, without the consent of each
Holder of the Notes affected thereby, no amendment or waiver may: (i) reduce the
amount of Notes whose Holders must consent to an amendment; (ii) reduce the rate
of or change or have the effect of changing the time for payment of interest,
including defaulted interest, on any Notes; (iii) reduce the principal of or
change or have the effect of changing the fixed maturity of any Notes, or change
the date on which any Notes may be subject to redemp-

 
                                      -97-


tion or repurchase, or reduce the redemption or repurchase price therefor; (iv)
make any Notes payable in money other than that stated in the Notes; (v) make
any change in provisions of this Indenture protecting the right of each Holder
to receive payment of principal of and interest on such Note on or after the due
date thereof or to bring suit to enforce such payment, or permitting Holders of
a majority in principal amount of Notes to waive Defaults or Events of Default;
(vi) amend, change or modify in any material respect the obligation of the
Company to make and consummate a Change of Control Offer in the event of a
Change of Control or make and consummate a Net Proceeds Offer with respect to
any Asset Sale that has been consummated or modify any of the provisions or
definitions with respect thereto; (vii) modify or change any provision of this
Indenture affecting the subordination or ranking of the Notes or any Guarantee
in a manner which adversely affects the Holders in any material respect; or
(viii) release any Subsidiary Guarantor from any of its obligations under its
Guarantee or this Indenture other than in accordance with the terms of this
Indenture.

                  After an amendment, supplement or waiver under this Section
9.02 becomes effective (as provided in Section 9.05), the Company shall mail to
the Holders affected thereby a notice briefly describing the amendment,
supplement or waiver. Any failure of the Company to mail such notice, or any
defect therein, shall not, however, in any way impair or affect the validity of
any such supplemental indenture.

                  SECTION 9.03. Effect on Senior Indebtedness and Guarantor
                              Senior Indebtedness.

                  No amendment of this Indenture shall adversely affect the
rights of any holder of Senior Indebtedness or Guarantor Senior Indebtedness
under Article Ten or Article Thirteen of this Indenture, without the consent of
such holder.

                  SECTION 9.04. Compliance with TIA.

                  Every amendment, waiver or supplement of this Indenture or the
Notes shall comply with the TIA as then in effect; provided, however, that this
Section 9.04 shall not of itself require that this Indenture or the Trustee be
qualified under the TIA or constitute any admission or acknowledgment by any
party hereto that any such qualification is required prior to the time this
Indenture and the Trustee are required by the TIA to be so qualified.

 
                                      -98-


                  SECTION 9.05. Revocation and Effect of Consents.

                  Until an amendment, waiver or supplement becomes effective, a
consent to it by a Holder is a continuing consent by the Holder and every
subsequent Holder of a Note or portion of a Note that evidences the same debt as
the consenting Holder's Note, even if notation of the consent is not made on any
Note. Subject to the following paragraph, any such Holder or subsequent Holder
may revoke the consent as to such Holder's Note or portion of such Note by
notice to the Trustee or the Company received before the date on which the
Trustee receives an Officers' Certificate certifying that the Holders of the
requisite principal amount of Notes have consented (and not theretofore revoked
such consent) to the amendment, supplement or waiver. An amendment, supplement
or waiver becomes effective upon receipt by the Trustee of such Officers'
Certificate and evidence of consent by the Holders of the requisite percentage
in principal amount of outstanding Notes.

                  The Company may, but shall not be obligated to, fix a Record
Date for the purpose of determining the Holders entitled to consent to any
amendment, supplement or waiver, which Record Date shall be at least 30 days
prior to the first solicitation of such consent. If a Record Date is fixed, then
notwithstanding the second sentence of the immediately preceding paragraph,
those Persons who were Holders at such Record Date (or their duly designated
proxies), and only those Persons, shall be entitled to revoke any consent
previously given, whether or not such Persons continue to be Holders after such
Record Date. No such consent shall be valid or effective for more than 90 days
after such Record Date unless consents from Holders of the requisite percentage
in principal amount of outstanding Notes required hereunder for the
effectiveness of such consents shall have also been given and not revoked within
such 90 day period.

                  SECTION 9.06. Notation on or Exchange of Notes.

                  If an amendment, supplement or waiver changes the terms of a
Note, the Trustee may require the Holder of such Note to deliver it to the
Trustee. The Trustee may place an appropriate notation on the Note about the
changed terms and return it to the Holder. Alternatively, if the Company or the
Trustee so determine, the Company in exchange for the Note shall issue and the
Trustee shall authenticate a new Note that reflects the changed terms.

 
                                      -99-


                  SECTION 9.07. Trustee To Sign Amendments, Etc.

                  The Trustee shall execute any amendment, supplement or waiver
authorized pursuant to this Article Nine; provided, however, that the Trustee
may, but shall not be obligated to, execute any such amendment, supplement or
waiver which affects the Trustee's own rights, duties or immunities under this
Indenture. In executing such supplement or waiver the Trustee shall be entitled
to receive indemnity reasonably satisfactory to it, and shall be fully protected
in relying upon an Opinion of Counsel and an Officers' Certificate of the
Company, stating that no event of default shall occur as a result of such
amendment, supplement or waiver and that the execution of any amendment,
supplement or waiver authorized pursuant to this Article Nine is authorized or
permitted by this Indenture; provided the legal counsel delivering such Opinion
of Counsel may rely as to matters of fact on one or more Officers' Certificates
of the Company. Such Opinion of Counsel shall not be an expense of the Trustee.

                                   ARTICLE TEN

                                  SUBORDINATION

                  SECTION 10.01. Notes Subordinated to Senior Indebtedness Upon
                          Effectiveness of the Merger.

                  The Company covenants and agrees, and each Holder of the
Notes, by its acceptance thereof, likewise covenants and agrees, that all Notes
shall be issued subject to the provisions of this Article Ten, provided,
however, that the subordination provisions of this Article Ten shall not be
effective until the effectiveness of the Merger; and each Person holding any
Note, whether upon original issue or upon transfer, assignment or exchange
thereof, accepts and agrees that the payment of all Obligations on the Notes by
the Company shall, to the extent and in the manner herein set forth, be
subordinated and junior in right of payment to the prior payment in full in cash
or Cash Equivalents of all Obligations on Senior Indebtedness, including,
without limitation, the Company's obligations under the Credit Agreement; that
the subordination is for the benefit of, and shall be enforceable directly by,
the holders of Senior Indebtedness, and that each holder of Senior Indebtedness
whether now outstanding or hereafter created, incurred, assumed or guaranteed
shall be deemed to have acquired Senior Indebted-

 
                                     -100-


ness in reliance upon the covenants and provisions contained in this Indenture
and the Notes.

                  SECTION 10.02. Suspension of Payment When Senior Indebtedness
                                 is in Default.

                  (a) If any default occurs and is continuing in the payment
when due, whether at maturity, upon any redemption, by declaration or otherwise,
of any principal of, interest on, unpaid drawings for letters of credit issued
in respect of, or regularly accruing fees with respect to, any Senior
Indebtedness, no payment of any kind or character shall be made by or on behalf
of the Company or any other Person on its or their behalf with respect to any
Obligations on the Notes or to acquire any of the Notes for cash or property or
otherwise. In addition, if any other event of default occurs and is continuing
with respect to any Designated Senior Indebtedness, as such event of default is
defined in the instrument creating or evidencing such Designated Senior
Indebtedness, permitting the holders of such Designated Senior Indebtedness then
outstanding to accelerate the maturity thereof and if the Representative for the
respective issue of Designated Senior Indebtedness gives notice of the event of
default to the Trustee (a "Default Notice"), then, unless and until all events
of default have been cured or waived or have ceased to exist or the Trustee
receives notice thereof from the Representative for the respective issue of
Designated Senior Indebtedness terminating the Blockage Period (as defined
below), during the 180 days after the delivery of such Default Notice (the
"Blockage Period"), neither the Company nor any other Person on its behalf shall
(x) make any payment of any kind or character with respect to any Obligations on
the Notes or (y) acquire any of the Notes for cash or property or otherwise.
Notwithstanding anything herein to the contrary, in no event will a Blockage
Period extend beyond 180 days from the date the payment on the Notes was due and
only one such Blockage Period may be commenced within any 360 consecutive days.
No event of default which existed or was continuing on the date of the
commencement of any Blockage Period with respect to the Designated Senior
Indebtedness shall be, or be made, the basis for commencement of a second
Blockage Period by the Representative of such Designated Senior Indebtedness
whether or not within a period of 360 consecutive days, unless such event of
default shall have been cured or waived for a period of not less than 90
consecutive days (it being acknowledged that any subsequent action, or any
breach of any financial covenants for a period commencing after the date of
commencement of such Blockage Period that, in either case, would give rise to an
event of default pursuant to any prov

 
                                     -101-


isions under which an event of default previously existed or was continuing
shall constitute a new event of default for this purpose).

                  (b) In the event that, notwithstanding the foregoing, any
payment shall be received by the Trustee or any Holder when such payment is
prohibited by Section 10.02(a), such payment shall be held in trust for the
benefit of, and shall be paid over or delivered to, the holders of Senior
Indebtedness (pro rata to such holders on the basis of the respective amount of
Senior Indebtedness held by such holders) or their respective Representatives,
as their respective interests may appear. The Trustee shall be entitled to rely
on information regarding amounts then due and owing on the Senior Indebtedness,
if any, received from the holders of Senior Indebtedness (or their
Representatives) or, if such information is not received from such holders or
their Representatives, from the Company and only amounts included in the
information provided to the Trustee shall be paid to the holders of Senior
Indebtedness.

                  Nothing contained in this Article Ten shall limit the right of
the Trustee or the Holders of Notes to take any action to accelerate the
maturity of the Notes pursuant to Section 6.02 or to pursue any rights or
remedies hereunder; provided that all Senior Indebtedness thereafter due or
declared to be due shall first be paid in full in cash or Cash Equivalents
before the Holders are entitled to receive any payment of any kind or character
with respect to Obligations on the Notes.

                  SECTION 10.03. Notes Subordinated to Prior Payment of All
      Senior Indebtedness on Dissolution, Liquidation or Reorganization of
                                    Company.

                  (a) Upon any payment or distribution of assets of the Company
of any kind or character, whether in cash, property or securities, to creditors
upon any total or partial liquidation, dissolution, winding-up, reorganization,
assignment for the benefit of creditors or marshaling of assets of the Company
or in a bankruptcy, reorganization, insolvency, receivership or other similar
proceeding relating to the Company or its property, whether voluntary or
involuntary, all Obligations due or to become due upon all Senior Indebtedness
shall first be paid in full in cash or Cash Equivalents, or such payment duly
provided for to the satisfaction of the holders of Senior Indebtedness, before
any payment or distribution of any kind or character is made on account of any
Obligations on the Notes, or for the acquisition of any of the Notes for cash or
property or

 
                                     -102-


otherwise. Upon any such dissolution, winding-up, liquidation, reorganization,
receivership or similar proceeding, any payment or distribution of assets of the
Company of any kind or character, whether in cash, property or securities, to
which the Holders of the Notes or the Trustee under this Indenture would be
entitled, except for the provisions hereof, shall be paid by the Company or by
any receiver, trustee in bankruptcy, liquidating trustee, agent or other Person
making such payment or distribution, or by the Holders or by the Trustee under
this Indenture if received by them, directly to the holders of Senior
Indebtedness (pro rata to such holders on the basis of the respective amounts of
Senior Indebtedness held by such holders) or their respective Representatives,
or to the trustee or trustees under any indenture pursuant to which any of such
Senior Indebtedness may have been issued, as their respective interests may
appear, for application to the payment of Senior Indebtedness remaining unpaid
until all such Senior Indebtedness has been paid in full in cash or Cash
Equivalents after giving effect to any concurrent payment, distribution or
provision therefor to or for the holders of Senior Indebtedness.

                  (b) To the extent any payment of Senior Indebtedness (whether
by or on behalf of the Company, as proceeds of security or enforcement of any
right of setoff or otherwise) is declared to be fraudulent or preferential, set
aside or required to be paid to any receiver, trustee in bankruptcy, liquidating
trustee, agent or other similar Person under any bankruptcy, insolvency,
receivership, fraudulent conveyance or similar law, then, if such payment is
recovered by, or paid over to, such receiver, trustee in bankruptcy, liquidating
trustee, agent or other similar Person, the Senior Indebtedness or part thereof
originally intended to be satisfied shall be deemed to be reinstated and
outstanding as if such payment has not occurred.

                  (c) In the event that, notwithstanding the foregoing, any
payment or distribution of assets of the Company of any kind or character,
whether in cash, property or securities, shall be received by the Trustee or any
Holder when such payment or distribution is prohibited by Section 10.03(a), such
payment or distribution shall be held in trust for the benefit of, and shall be
paid over or delivered to, the holders of Senior Indebtedness (pro rata to such
holders on the basis of the respective amount of Senior Indebtedness held by
such holders) or their respective Representatives, or to the trustee or trustees
under any indenture pursuant to which any of such Senior Indebtedness may have
been issued, as their respective interests may appear, for application to the
payment of Senior Indebtedness remaining unpaid until all such Senior
Indebtedness

 
                                     -103-


has been paid in full in cash or Cash Equivalents, after giving effect to any
concurrent payment, distribution or provision therefor to or for the holders of
such Senior Indebtedness.

                  (d) The consolidation of the Company with, or the merger of
the Company with or into, another corporation or the liquidation or dissolution
of the Company following the conveyance or transfer of all or substantially all
of its assets, to another corporation upon the terms and conditions provided in
Article Five hereof and as long as permitted under the terms of the Senior
Indebtedness shall not be deemed a dissolution, winding-up, liquidation or
reorganization for the purposes of this Section 10.03 if such other corporation
shall, as a part of such consolidation, merger, conveyance or transfer, assume
the Company's obligations hereunder in accordance with Article Five hereof.

                  SECTION 10.04. Holders To Be Subrogated to Rights of Holders
                             of Senior Indebtedness.

                  Subject to the payment in full in cash or Cash Equivalents of
all Senior Indebtedness, the Holders of the Notes shall be subrogated to the
rights of the holders of Senior Indebtedness to receive payments or
distributions of cash, property or securities of the Company applicable to the
Senior Indebtedness until the Notes shall be paid in full; and, for the purposes
of such subrogation, no such payments or distributions to the holders of the
Senior Indebtedness by or on behalf of the Company or by or on behalf of the
Holders by virtue of this Article Ten which otherwise would have been made to
the Holders shall, as between the Company and the Holders of the Notes, be
deemed to be a payment by the Company to or on account of the Senior
Indebtedness, it being understood that the provisions of this Article Ten are
and are intended solely for the purpose of defining the relative rights of the
Holders of the Notes, on the one hand, and the holders of the Senior
Indebtedness, on the other hand.

                  SECTION 10.05. Obligations of the Company Unconditional.

                  Nothing contained in this Article Ten or elsewhere in this
Indenture or in the Notes is intended to or shall impair, as between the Company
and the Holders, the obligation of the Company, which is absolute and
unconditional, to pay to the Holders the principal of and interest on the Notes
as and when the same shall become due and payable in accordance with their
terms, or is intended to or shall affect the relative rights of

 
                                     -104-


the Holders and creditors of the Company other than the holders of the Senior
Indebtedness, nor shall anything herein or therein prevent the Trustee or any
Holder from exercising all remedies otherwise permitted by applicable law upon
default under this Indenture, subject to the rights, if any, under this Article
Ten of the holders of Senior Indebtedness in respect of cash, property or
securities of the Company received upon the exercise of any such remedy. Upon
any payment or distribution of assets or securities of the Company referred to
in this Article Ten, the Trustee, subject to the provisions of Sections 7.01 and
7.02, and the Holders shall be entitled to rely upon any order or decree made by
any court of competent jurisdiction in which any liquidation, dissolution,
winding-up or reorganization proceedings are pending, or a certificate of the
receiver, trustee in bankruptcy, liquidating trustee or agent or other Person
making any payment or distribution to the Trustee or to the Holders for the
purpose of ascertaining the Persons entitled to participate in such payment or
distribution, the holders of Senior Indebtedness and other Indebtedness of the
Company, the amount thereof or payable thereon, the amount or amounts paid or
distributed thereon and all other facts pertinent thereto or to this Article
Ten. Nothing in this Article Ten shall apply to the claims of, or payments to,
the Trustee under or pursuant to Section 7.07. The Trustee shall be entitled to
rely on the delivery to it of a written notice by a Person representing himself
or itself to be a holder of any Senior Indebtedness (or a trustee on behalf of,
or other representative of, such holder) to establish that such notice has been
given by a holder of such Senior Indebtedness or a trustee or representative on
behalf of any such holder.

                  In the event that the Trustee determines in good faith that
any evidence is required with respect to the right of any Person as a holder of
Senior Indebtedness to participate in any payment or distribution pursuant to
this Article Ten, the Trustee may request such Person to furnish evidence to the
reasonable satisfaction of the Trustee as to the amount of Senior Indebtedness
held by such Person, the extent to which such person is entitled to participate
in such payment or distribution and any other facts pertinent to the rights of
such Person under this Article Ten, and if such evidence is not furnished, the
Trustee may defer any payment to such Person pending judicial determination as
to the right of such Person to receive such payment.

 
                                     -105-


                  SECTION 10.06. Trustee Entitled to Assume Payments Not
                        Prohibited in Absence of Notice.

                  The Company shall give prompt written notice to the Trustee of
any fact known to the Company which would prohibit the making of any payment to
or by the Trustee in respect of the Notes pursuant to the provisions of this
Article Ten. Regardless of anything to the contrary contained in this Article
Ten or elsewhere in this Indenture, the Trustee shall not be charged with
knowledge of the existence of any default or event of default with respect to
any Senior Indebtedness or of any other facts which would prohibit the making of
any payment to or by the Trustee unless and until the Trustee shall have
received notice in writing from the Company, or from a holder of Senior
Indebtedness or a Representative therefor, together with proof satisfactory to
the Trustee of such holding of Senior Indebtedness or of the authority of such
Representative, and, prior to the receipt of any such written notice, the
Trustee shall be entitled to assume that no such facts exist.

                  SECTION 10.07. Application by Trustee of Assets Deposited with
                                       It.

                  U.S. Legal Tender or U.S. Government Obligations deposited in
trust with the Trustee pursuant to and in accordance with Sections 8.01 and 8.02
shall be for the sole benefit of the Holders of the Notes and, to the extent
allocated for the payment of Notes, shall not be subject to the subordination
provisions of this Article Ten. Otherwise, any deposit of assets or securities
by or on behalf of the Company with the Trustee or any Paying Agent (whether or
not in trust) for the payment of principal of or interest on any Notes shall be
subject to the provisions of this Article Ten; provided, however, that if prior
to the second Business Day preceding the date on which by the terms of this
Indenture any such assets may become distributable for any purpose (including,
without limitation, the payment of either principal of or interest on any Note)
the Trustee or such Paying Agent shall not have received with respect to such
assets the notice provided for in Section 10.06, then the Trustee or such Paying
Agent shall have full power and authority to receive such assets and to apply
the same to the purpose for which they were received, and shall not be affected
by any notice to the contrary received by it on or after such date. The
foregoing shall not apply to the Paying Agent if the Company or any Subsidiary
or Affiliate of the Company is acting as Paying Agent. Nothing contained in this
Section 10.07 shall limit the right of the holders of Senior Indebtedness to
recover payments as contemplated by this Article Ten.

 
                                     -106-


                  SECTION 10.08. No Waiver of Subordination Provisions.

                  (a) No right of any present or future holder of any Senior
Indebtedness to enforce subordination as herein provided shall at any time in
any way be prejudiced or impaired by any act or failure to act on the part of
the Company or by any act or failure to act by any such holder, or by any
non-compliance by the Company with the terms, provisions and covenants of this
Indenture, regardless of any knowledge thereof any such holder may have or be
otherwise charged with.

                  (b) Without limiting the generality of subsection (a) of this
Section 10.08, the holders of Senior Indebtedness may, at any time and from time
to time, without the consent of or notice to the Trustee or the Holders of the
Notes, without incurring responsibility to the Holders of the Notes and without
impairing or releasing the subordination provided in this Article Ten or the
obligations hereunder of the Holders of the Notes to the holders of Senior
Indebtedness, do any one or more of the following: (1) change the manner, place,
terms or time of payment of, or renew or alter, Senior Indebtedness or any
instrument evidencing the same or any agreement under which Senior Indebtedness
is outstanding; (2) sell, exchange, release or otherwise deal with any property
pledged, mortgaged or otherwise securing Senior Indebtedness; (3) release any
Person liable in any manner for the collection or payment of Senior
Indebtedness; and (4) exercise or refrain from exercising any rights against the
Company and any other Person.

                  SECTION 10.09. Holders Authorize Trustee To Effectuate
                             Subordination of Notes.

                  Each Holder of the Notes by such Holder's acceptance thereof
authorizes and expressly directs the Trustee on such Holder's behalf to take
such action as may be necessary or appropriate to effect the subordination
provisions contained in this Article Ten, and appoints the Trustee such Holder's
attorney-in-fact for such purpose, including, in the event of any liquidation,
dissolution, winding-up, reorganization, assignment for the benefit of creditors
or marshaling of assets of the Company tending towards liquidation or
reorganization of the business and assets of the Company, the immediate filing
of a claim for the unpaid balance of such Holder's Notes in the form required in
said proceedings and cause said claim to be approved. If the Trustee does not
file a proper claim or proof of debt in the form required in such proceeding
prior to 30 days before the expiration of the time to file such claim or claims,
then any of the holders of the Senior Indebtedness or

 
                                     -107-


their Representative is hereby authorized to file an appropriate claim for and
on behalf of the Holders of said Notes. Nothing herein contained shall be deemed
to authorize the Trustee or the holders of Senior Indebtedness or their
Representative to authorize or consent to or accept or adopt on behalf of any
Holder any plan of reorganization, arrangement, adjustment or composition
affecting the Notes or the rights of any Holder thereof, or to authorize the
Trustee or the holders of Senior Indebtedness or their Representative to vote in
respect of the claim of any Holder in any such proceeding.

                  SECTION 10.10. Right of Trustee to Hold Senior Indebtedness.

                  The Trustee and any agent of the Company or the Trustee shall
be entitled to all the rights set forth in this Article Ten with respect to any
Senior Indebtedness which may at any time be held by it in its individual or any
other capacity to the same extent as any other holder of Senior Indebtedness and
nothing in this Indenture shall deprive the Trustee or any such agent of any of
its rights as such holder.

                  With respect to the holders of Senior Indebtedness, the
Trustee undertakes to perform or to observe only such of its covenants and
obligations as are specifically set forth in this Article Ten, and no implied
covenants or obligations with respect to the holders of Senior Debt shall be
read into this Indenture against the Trustee. The Trustee shall not be deemed to
owe any fiduciary duty to the holders of Senior Indebtedness.

                  Whenever a distribution is to be made or a notice given to
holders or owners of Senior Indebtedness, the distribution may be made and the
notice may be given to their representative, if any.

                  SECTION 10.11. This Article Ten Not To Prevent Events of
                                    Default.

                  The failure to make a payment on account of principal of or
interest on the Notes by reason of any provision of this Article Ten will not be
construed as preventing the occurrence of an Event of Default.

                  Nothing contained in this Article Ten shall limit the right of
the Trustee or the Holders of Notes to take any action to accelerate the
maturity of the Notes pursuant to Article Six or to pursue any rights or
remedies hereunder or under applica-

 
                                     -108-

ble law, subject to the rights, if any, under this Article Ten of the holders,
from time to time, of Senior Indebtedness.

                  SECTION 10.12. No Fiduciary Duty of Trustee to Holders of
                              Senior Indebtedness.

                  The Trustee shall not be deemed to owe any fiduciary duty to
the holders of Senior Indebtedness, and it undertakes to perform or observe such
of its covenants and obligations as are specifically set forth in this Article
Ten, and no implied covenants or obligations with respect to the Senior
Indebtedness shall be read into this Indenture against the Trustee. The Trustee
shall not be liable to any such holders (other than for its willful misconduct
or gross negligence) if it shall pay over or deliver to the Holders of Notes or
the Company or any other Person money or assets in compliance with the terms of
this Indenture. Nothing in this Section 10.12 shall affect the obligation of any
Person other than the Trustee and the Holders to hold such payment for the
benefit of, and to pay such payment over to, the holders of Senior Indebtedness
or their Representative.


                                 ARTICLE ELEVEN

                                  MISCELLANEOUS


                  SECTION 11.01. TIA Controls.

                  If any provision of this Indenture limits, qualifies, or
conflicts with another provision which is required to be included in this
Indenture by the TIA, the required provision shall control; provided, however,
that this Section 11.01 shall not of itself require that this Indenture or the
Trustee be qualified under the TIA or constitute any admission or acknowledgment
by any party hereto that any such qualification is required prior to the time
this Indenture and the Trustee are required by the TIA to be so qualified.

                  SECTION 11.02. Notices.

                  Any notices or other communications required or permitted
hereunder shall be in writing, and shall be sufficiently given if made by hand
delivery, by telecopier or overnight courier guaranteeing next-day delivery or
registered or certified mail, postage prepaid, return receipt requested,
addressed as follows:

 
                                     -109-


                  if to the Company or any Subsidiary Guarantor:

                           ACQUISITION CORP.
                           c/o Weiss, Peck & Greer, L.L.C.
                           One New York Plaza
                           New York, New York  10004
                           Telecopier Number:  (212) 908-0112
                           Attn:  President

                  if to the Trustee:

                           STATE STREET BANK AND TRUST COMPANY
                           Goodwin Square
                           225 Asylum Street, 23rd Floor
                           Hartford, Connecticut  06103
                           Telecopier Number:  (860) 244-1897
                           Attention:  Corporate Trust Administration

                  Each of the Company and the Trustee by written notice to the
other may designate additional or different addresses for notices to such
Person. Any notice or communication to the Company or the Trustee shall be
deemed to have been given or made as of the date so delivered if hand delivered;
when receipt is acknowledged, if faxed; and five (5) calendar days after mailing
if sent by registered or certified mail, postage prepaid (except that a notice
of change of address shall not be deemed to have been given until actually
received by the addressee).

                  Any notice or communication mailed to a Holder shall be mailed
by first class mail, certified or registered return receipt requested, or by
overnight courier guaranteeing next-day delivery to its address as it appears on
the registration books of the Registrar. Any notice or communication shall be
mailed to any Person as described in TIA ss. 313(c), to the extent required by
the TIA.

                  Failure to mail a notice or communication to a Holder or any
defect in it shall not affect its sufficiency with respect to other Holders. If
a notice or communication is mailed in the manner provided above, it is duly
given, whether or not the addressee receives it.

                  SECTION 11.03. Communications by Holders with Other Holders.

                  Holders may communicate pursuant to TIA ss. 312(b) with other
Holders with respect to their rights under this Indenture

 
                                     -110-


or the Notes. The Company, the Trustee, the Registrar and any other Person shall
have the protection of TIA ss. 312(c).

                  SECTION 11.04. Certificate and Opinion as to Conditions
                                   Precedent.

                  Upon any request or application by the Company to the Trustee
to take any action under this Indenture, the Company shall furnish to the
Trustee:

                  (1) an Officers' Certificate, in form and substance
         satisfactory to the Trustee, stating that, in the opinion of the
         signers, all conditions precedent to be performed by the Company, if
         any, provided for in this Indenture relating to the proposed action
         have been complied with; and

                  (2) an Opinion of Counsel stating that, in the opinion of such
         counsel, all such conditions precedent to be performed by the Company,
         if any, provided for in this Indenture relating to the proposed action
         have been complied with (which counsel, as to factual matters, may rely
         on an Officers' Certificate).

                  SECTION 11.05. Statements Required in Certificate or Opinion.

                  Each certificate or opinion with respect to compliance with a
condition or covenant provided for in this Indenture, other than the Officers'
Certificate required by Section 4.06, shall include:

                  (1) a statement that the Person making such certificate or
         opinion has read such covenant or condition;

                  (2) a brief statement as to the nature and scope of the
         examination or investigation upon which the statements or opinions
         contained in such certificate or opinion are based;

                  (3) a statement that, in the opinion of such Person, he has
         made such examination or investigation as is reasonably necessary to
         enable him to express an informed opinion as to whether or not such
         covenant or condition has been complied with; and

                  (4) a statement as to whether or not, in the opinion of each
         such Person, such condition or covenant has been complied with.

 
                                     -111-


                  SECTION 11.06. Rules by Trustee, Paying Agent, Registrar.

                  The Trustee may make reasonable rules in accordance with the
Trustee's customary practices for action by or at a meeting of Holders. The
Paying Agent or Registrar may make reasonable rules for its functions.

                  SECTION 11.07. Legal Holidays.

                  A "Legal Holiday" used with respect to a particular place of
payment is a Saturday, a Sunday or a day on which banking institutions in New
York, New York or at such place of payment are not required to be open. If a
payment date is a Legal Holiday at such place, payment may be made at such place
on the next succeeding day that is not a Legal Holiday, and no interest shall
accrue for the intervening period.

                  SECTION 11.08. Governing Law.

                  THIS INDENTURE AND THE NOTES SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, AS APPLIED TO
CONTRACTS MADE AND PERFORMED WITHIN THE STATE OF NEW YORK, WITHOUT REGARD TO
PRINCIPLES OF CONFLICT OF LAWS. Each of the parties hereto agrees to submit to
the jurisdiction of the courts of the State of New York in any action or
proceeding arising out of or relating to this Indenture.

                  SECTION 11.09. No Adverse Interpretation of Other Agreements.

                  This Indenture may not be used to interpret another indenture,
loan or debt agreement of the Company or any of its Subsidiaries. Any such
indenture, loan or debt agreement may not be used to interpret this Indenture.

                  SECTION 11.10. No Personal Liability.

                  No director, officer, employee or stockholder, as such, of the
Company or any Subsidiary Guarantor, as such, shall have any liability for any
obligations of the Company or any Subsidiary Guarantor under the Notes, this
Indenture, the Guarantees or the Registration Rights Agreement or for any claim
based on, in respect of, or by reason of, such obligations or their creation.
Each Holder of Notes by accepting a Note waives and releases all such liability.
The waiver and release are part of the consideration for the issuance of the
Notes.

 
                                     -112-


                  SECTION 11.11. Successors.

                  All agreements of the Company and any Subsidiary Guarantors in
this Indenture and the Notes shall bind their successors. All agreements of the
Trustee in this Indenture shall bind its successors.

                  SECTION 11.12. Duplicate Originals.

                  All parties may sign any number of copies of this Indenture.
Each signed copy shall be an original, but all of them together shall represent
the same agreement.

                  SECTION 11.13. Severability.

                  In case any one or more of the provisions in this Indenture or
in the Notes shall be held invalid, illegal or unenforceable, in any respect for
any reason, the validity, legality and enforceability of any such provision in
every other respect and of the remaining provisions shall not in any way be
affected or impaired thereby, it being intended that all of the provisions
hereof shall be enforceable to the full extent permitted by law.


                                 ARTICLE TWELVE

                               GUARANTEE OF NOTES


                  SECTION 12.01. Unconditional Guarantee.

                  Subject to the provisions of this Article Twelve, each
Subsidiary Guarantor, if any, hereby, jointly and severally, unconditionally and
irrevocably guarantees, on a senior subordinated basis (such guarantee to be
referred to herein as a "Guarantee") to each Holder of a Note authenticated and
delivered by the Trustee and to the Trustee and its successors and assigns, the
Notes or the obligations of the Company hereunder or thereunder, that: (a) the
principal of, premium, if any, and interest on the Notes (and any Additional
Interest payable thereon) shall be duly and punctually paid in full when due,
whether at maturity, upon redemption at the option of Holders pursuant to the
provisions of the Notes relating thereto, by acceleration or otherwise, and
interest on the overdue principal and (to the extent permitted by law) interest,
if any, on the Notes and all other obligations of the Company or the Subsidiary
Guarantors to the Holders or the Trustee hereunder

 
                                     -113-


or thereunder (including amounts due the Trustee under Section 7.07) and all
other obligations shall be promptly paid in full or performed, all in accordance
with the terms hereof and thereof; and (b) in case of any extension of time of
payment or renewal of any Notes or any of such other obligations, the same shall
be promptly paid in full when due or performed in accordance with the terms of
the extension or renewal, whether at maturity, by acceleration or otherwise.
Failing payment when due of any amount so guaranteed, or failing performance of
any other obligation of the Company to the Holders under this Indenture or under
the Notes, for whatever reason, each Subsidiary Guarantor shall be obligated to
pay, or to perform or cause the performance of, the same immediately. An Event
of Default under this Indenture or the Notes shall constitute an event of
default under this Guarantee, and shall entitle the Holders of Notes to
accelerate the obligations of the Subsidiary Guarantors hereunder in the same
manner and to the same extent as the obligations of the Company.

                  Each of the Subsidiary Guarantors hereby agrees that its
obligations hereunder shall be unconditional, irrespective of the validity,
regularity or enforceability of the Notes or this Indenture, the absence of any
action to enforce the same, any waiver or consent by any Holder of the Notes
with respect to any provisions hereof or thereof, any release of any other
Subsidiary Guarantor, the recovery of any judgment against the Company, any
action to enforce the same, whether or not a Guarantee is affixed to any
particular Note, or any other circumstance which might otherwise constitute a
legal or equitable discharge or defense of a guarantor. Each of the Subsidiary
Guarantors hereby waives the benefit of diligence, presentment, demand of
payment, filing of claims with a court in the event of insolvency or bankruptcy
of the Company, any right to require a proceeding first against the Company,
protest, notice and all demands whatsoever and covenants that its Guarantee
shall not be discharged except by complete performance of the obligations
contained in the Notes, this Indenture and this Guarantee. This Guarantee is a
guarantee of payment and not of collection. If any Holder or the Trustee is
required by any court or otherwise to return to the Company or to any Subsidiary
Guarantor, or any custodian, trustee, liquidator or other similar official
acting in relation to the Company or such Subsidiary Guarantor, any amount paid
by the Company or such Subsidiary Guarantor to the Trustee or such Holder, this
Guarantee, to the extent theretofore discharged, shall be reinstated in full
force and effect. Each Subsidiary Guarantor further agrees that, as between it,
on the one hand, and the Holders of Notes and the Trustee, on the other hand,
(a) subject to this

 
                                     -114-


Article Twelve, the maturity of the obligations guaranteed hereby may be
accelerated as provided in Article Six hereof for the purposes of this
Guarantee, notwithstanding any stay, injunction or other prohibition preventing
such acceleration in respect of the obligations guaranteed hereby, and (b) in
the event of any acceleration of such obligations as provided in Article Six
hereof, such obligations (whether or not due and payable) shall forthwith become
due and payable by the Subsidiary Guarantors for the purpose of this Guarantee.

                  No stockholder, officer, director, employee or incorporator,
past, present or future, of any Subsidiary Guarantor, as such, shall have any
personal liability under this Guarantee by reason of his, her or its status as
such stockholder, officer, director, employee or incorporator.

                  Each Subsidiary Guarantor that makes a payment or distribution
under its Guarantee shall be entitled to a contribution from each other
Subsidiary Guarantor in an amount pro rata, based on the net assets of each
Subsidiary Guarantor, determined in accordance with GAAP.

                  SECTION 12.02. Limitations on Guarantees.

                  The obligations of each Subsidiary Guarantor under its
Guarantee will be limited to the maximum amount which, after giving effect to
all other contingent and fixed liabilities of such Subsidiary Guarantor and
after giving effect to any collections from or payments made by or on behalf of
any other Subsidiary Guarantor in respect of the obligations of such other
Subsidiary Guarantor under its Guarantee or pursuant to its contribution
obligations under this Indenture, will result in the obligations of such
Subsidiary Guarantor under its Guarantee not constituting a fraudulent
conveyance or fraudulent transfer under federal or state law.

                  At and after consummation of the Merger, the Subsidiary
Guarantors shall include (i) each of the Company's Subsidiaries as of the Issue
Date other than its Foreign Subsidiaries, (ii) each of the Company's
Subsidiaries that in the future executes a supplemental indenture in which such
Subsidiary agrees to be bound by the terms hereof as a Subsidiary Guarantor; and
(iii) any Subsidiary, whether formed or acquired after the Issue Date, that
guarantees any Indebtedness outstanding under the Credit Agreement; provided,
however, that any Subsidiary acquired after the Issue Date which is prohibited
from entering into a Guarantee pursuant to restrictions contained in any debt
instrument in existence at the time such Subsidiary was so ac-

 
                                     -115-


quired and not entered into in anticipation or contemplation of such acquisition
shall not be required to become a Subsidiary Guarantor so long as any such
restriction is in existence and to the extent of any such restriction; provided,
further, that if any Subsidiary Guarantor is released from its guarantee of the
outstanding Indebtedness of the Company under the Credit Agreement, such
Guarantor shall be automatically released from its obligations as Subsidiary
Guarantor and, from and after such date, such Subsidiary Guarantor shall cease
to constitute a Subsidiary Guarantor.

                  SECTION 12.03. Execution and Delivery of Guarantee.

                  To further evidence the Guarantee set forth in Section 12.01,
each Subsidiary Guarantor hereby agrees that a notation of such Guarantee,
substantially in the form of Exhibit F hereto, shall be endorsed on each Note
authenticated and delivered by the Trustee. Such Guarantee shall be executed on
behalf of each Subsidiary Guarantor by either manual or facsimile signature of
two Officers of each Subsidiary Guarantor, each of whom, in each case, shall
have been duly authorized to so execute by all requisite corporate action. The
validity and enforceability of any Guarantee shall not be affected by the fact
that it is not affixed to any particular Note.

                  Each of the Subsidiary Guarantors hereby agrees that its
Guarantee set forth in Section 12.01 shall remain in full force and effect
notwithstanding any failure to endorse on each Note a notation of such
Guarantee.

                  If an Officer of a Subsidiary Guarantor whose signature is on
this Indenture or a Guarantee no longer holds that office at the time the
Trustee authenticates the Note on which such Guarantee is endorsed or at any
time thereafter, such Subsidiary Guarantor's Guarantee of such Note shall be
valid nevertheless.

                  The delivery of any Note by the Trustee, after the
authentication thereof hereunder, shall constitute due delivery of any Guarantee
set forth in this Indenture on behalf of each Subsidiary Guarantor.

                  SECTION 12.04. Release of a Subsidiary Guarantor.

                  (a) If no Default exists or would exist under this Indenture,
upon the sale or disposition of all of the Capital Stock of a Subsidiary
Guarantor by the Company or a Subsidiary of the Company or upon the sale of all
or substantially all of

 
                                     -116-


the assets of such Subsidiary Guarantor in a transaction constituting an Asset
Sale the Net Cash Proceeds of which are applied in accordance with Section 4.16,
or upon the consolidation or merger of a Subsidiary Guarantor with or into any
Person in compliance with Article Five (in each case, other than to the Company
or an Affiliate of the Company or a Subsidiary), or if any Subsidiary Guarantor
is dissolved or liquidated in accordance with this Indenture, such Subsidiary
Guarantor and each Subsidiary of such Subsidiary Guarantor that is also a
Subsidiary Guarantor shall be deemed released from all obligations under this
Article Twelve without any further action required on the part of the Trustee or
any Holder; provided, however, that each such Subsidiary Guarantor is sold or
disposed of in accordance with this Indenture. Any Subsidiary Guarantor not so
released or the entity surviving such Subsidiary Guarantor, as applicable, shall
remain or be liable under its Guarantee as provided in this Article Twelve.

                  (b) The Trustee shall deliver an appropriate instrument
evidencing the release of a Subsidiary Guarantor upon receipt of a request by
the Company or such Subsidiary Guarantor accompanied by an Officers' Certificate
and an Opinion of Counsel certifying as to the compliance with this Section
12.04, provided the legal counsel delivering such Opinion of Counsel may rely as
to matters of fact on one or more Officers' Certificates.

                  The Trustee shall execute any documents reasonably requested
by the Company or a Subsidiary Guarantor in order to evidence the release of
such Subsidiary Guarantor from its obligations under its Guarantee endorsed on
the Notes and under this Article Twelve.

                  Except as set forth in Articles Four and Five and this Section
12.04, nothing contained in this Indenture or in any of the Notes shall prevent
any consolidation or merger of a Subsidiary Guarantor with or into the Company
or another Subsidiary Guarantor or shall prevent any sale or conveyance of the
property of a Subsidiary Guarantor as an entirety or substantially as an
entirety to the Company or another Subsidiary Guarantor.

                  SECTION 12.05. Waiver of Subrogation.

                  Until this Indenture is discharged and all of the Notes are
discharged and paid in full, each Subsidiary Guarantor hereby irrevocably waives
and agrees not to exercise any claim or other rights which it may now or
hereafter acquire

 
                                     -117-


against the Company that arise from the existence, payment, performance or
enforcement of the Company's obligations under the Notes or this Indenture and
such Subsidiary Guarantor's obligations under this Guarantee and this Indenture,
in any such instance including, without limitation, any right of subrogation,
reimbursement, exoneration, contribution, indemnification, and any right to
participate in any claim or remedy of the Holders against the Company, whether
or not such claim, remedy or right arises in equity, or under contract, statute
or common law, including, without limitation, the right to take or receive from
the Company, directly or indirectly, in cash or other property or by set-off or
in any other manner, payment or security on account of such claim or other
rights. If any amount shall be paid to any Subsidiary Guarantor in violation of
the preceding sentence and any amounts owing to the Trustee or the Holders of
Notes under the Notes, this Indenture, or any other document or instrument
delivered under or in connection with such agreements or instruments, shall not
have been paid in full, such amount shall have been deemed to have been paid to
such Subsidiary Guarantor for the benefit of, and held in trust for the benefit
of, the Trustee or the Holders and shall forthwith be paid to the Trustee for
the benefit of itself or such Holders to be credited and applied to the
obligations in favor of the Trustee or the Holders, as the case may be, whether
matured or unmatured, in accordance with the terms of this Indenture. Each
Subsidiary Guarantor acknowledges that it will receive direct and indirect
benefits from the financing arrangements contemplated by this Indenture and that
the waiver set forth in this Section 12.05 is knowingly made in contemplation of
such benefits.

                  SECTION 12.06. No Set-Off.

                  Each payment to be made by a Subsidiary Guarantor hereunder in
respect of the Obligations shall be payable in the currency or currencies in
which such Obligations are denominated, and shall be made without set-off,
counterclaim, reduction or diminution of any kind or nature.

                  SECTION 12.07. Obligations Absolute.

                  The obligations of each Subsidiary Guarantor hereunder are and
shall be absolute and unconditional and any monies or amounts expressed to be
owing or payable by each Subsidiary Guarantor hereunder which may not be
recoverable from such Subsidiary Guarantor on the basis of a Guarantee shall be
recoverable from such Subsidiary Guarantor as a primary obligor and principal
debtor in respect thereof.

 
                                     -118-


                  SECTION 12.08. Obligations Continuing.

                  The obligations of each Subsidiary Guarantor hereunder shall
be continuing and shall remain in full force and effect until all the
obligations have been paid and satisfied in full. Each Subsidiary Guarantor
agrees with the Trustee that it will from time to time deliver to the Trustee
suitable acknowledgments of this continued liability hereunder and under any
other instrument or instruments in such form as counsel to the Trustee may
advise and as will prevent any action brought against it in respect of any
default hereunder being barred by any statute of limitations now or hereafter in
force and, in the event of the failure of a Subsidiary Guarantor so to do, it
hereby irrevocably appoints the Trustee the attorney and agent of such
Subsidiary Guarantor to make, execute and deliver such written acknowledgment or
acknowledgments or other instruments as may from time to time become necessary
or advisable, in the judgment of the Trustee on the advice of counsel, to fully
maintain and keep in force the liability of such Subsidiary Guarantor hereunder.

                  SECTION 12.09. Obligations Not Reduced.

                  The obligations of each Subsidiary Guarantor hereunder shall
not be satisfied, reduced or discharged solely by the payment of such principal,
premium, if any, interest, fees and other monies or amounts as may at any time
prior to discharge of this Indenture pursuant to Article 8 be or become owing or
payable under or by virtue of or otherwise in connection with the Notes or this
Indenture.

                  SECTION 12.10. Obligations Reinstated.

                  The obligations of each Subsidiary Guarantor hereunder shall
continue to be effective or shall be reinstated, as the case may be, if at any
time any payment which would otherwise have reduced the obligations of any
Subsidiary Guarantor hereunder (whether such payment shall have been made by or
on behalf of the Company or by or on behalf of a Subsidiary Guarantor) is
rescinded or reclaimed from any of the Holders upon the insolvency, bankruptcy,
liquidation or reorganization of the Company or any Subsidiary Guarantor or
otherwise, all as though such payment had not been made. If demand for, or
acceleration of the time for, payment by the Company is stayed upon the
insolvency, bankruptcy, liquidation or reorganization of the Company, all such
Indebtedness otherwise subject to demand for payment or acceleration shall
nonetheless be payable by each Subsidiary Guarantor as provided herein.

 
                                     -119-


                  SECTION 12.11. Obligations Not Affected.

                  The obligations of each Subsidiary Guarantor hereunder shall
not be affected, impaired or diminished in any way by any act, omission, matter
or thing whatsoever, occurring before, upon or after any demand for payment
hereunder (and whether or not known or consented to by any Subsidiary Guarantor
or any of the Holders) which, but for this provision, might constitute a whole
or partial defense to a claim against any Subsidiary Guarantor hereunder or
might operate to release or otherwise exonerate any Subsidiary Guarantor from
any of its obligations hereunder or otherwise affect such obligations, whether
occasioned by default of any of the Holders or otherwise, including, without
limitation:

                  (a) any limitation of status or power, disability, incapacity
         or other circumstance relating to the Company or any other person,
         including any insolvency, bankruptcy, liquidation, reorganization,
         readjustment, composition, dissolution, winding up or other proceeding
         involving or affecting the Company or any other person;

                  (b) any irregularity, defect, unenforceability or invalidity
         in respect of any indebtedness or other obligation of the Company or
         any other person under this Indenture, the Notes or any other document
         or instrument;

                  (c) any failure of the Company, whether or not without fault
         on its part, to perform or comply with any of the provisions of this
         Indenture or the Notes, or to give notice thereof to a Subsidiary
         Guarantor;

                  (d) the taking or enforcing or exercising or the refusal or
         neglect to take or enforce or exercise any right or remedy from or
         against the Company or any other Person or their respective assets or
         the release or discharge of any such right or remedy;

                  (e) the granting of time, renewals, extensions, compromises,
         concessions, waivers, releases, discharges and other indulgences to the
         Company or any other Person;

                  (f) any change in the time, manner or place of payment of, or
         in any other term of, any of the Notes, or any other amendment,
         variation, supplement, replacement or waiver of, or any consent to
         departure from, any of the Notes or this Indenture, including, without
         limitation,

 
                                     -120-


         any increase or decrease in the principal amount of or premium, if
         any, or interest on any of the Notes;

                  (g) any change in the ownership, control, name, objects,
         businesses, assets, capital structure or constitution of the Company or
         a Subsidiary Guarantor;

                  (h) any merger or amalgamation of the Company or a Subsidiary
         Guarantor with any Person or Persons;

                  (i) the occurrence of any change in the laws, rules,
         regulations or ordinances of any jurisdiction by any present or future
         action of any governmental authority or court amending, varying,
         reducing or otherwise affecting, or purporting to amend, vary, reduce
         or otherwise affect, any of the Obligations or the obligations of a
         Subsidiary Guarantor under its Guarantee; and

                  (j) any other circumstance, including release of the
         Subsidiary Guarantor pursuant to Section 12.04 (other than by complete,
         irrevocable payment) that might otherwise constitute a legal or
         equitable discharge or defense of the Company under this Indenture or
         the Notes or of a Subsidiary Guarantor in respect of its Guarantee
         hereunder.

                  SECTION 12.12. Waiver.

                  Without in any way limiting the provisions of Section 12.01
hereof, each Subsidiary Guarantor hereby waives notice of acceptance hereof,
notice of any liability of any Subsidiary Guarantor hereunder, notice or proof
of reliance by the Holders upon the obligations of any Subsidiary Guarantor
hereunder, and diligence, presentment, demand for payment on the Company,
protest, notice of dishonor or non-payment of any of the Obligations, or other
notice or formalities to the Company or any Subsidiary Guarantor of any kind
whatsoever.

                  SECTION 12.13. No Obligation To Take Action Against the
                                    Company.

                  Neither the Trustee nor any other Person shall have any
obligation to enforce or exhaust any rights or remedies or to take any other
steps under any security for the Obligations or against the Company or any other
Person or any Property of the Company or any other Person before the Trustee is
entitled to demand payment and performance by any or all Subsidiary Guarantors
of their liabilities and obligations under their Guarantees or under this
Indenture.

 
                                     -121-


                  SECTION 12.14. Dealing with the Company and Others.

                  The Holders, without releasing, discharging, limiting or
otherwise affecting in whole or in part the obligations and liabilities of any
Subsidiary Guarantor hereunder and without the consent of or notice to any
Subsidiary Guarantor, may

                  (a) grant time, renewals, extensions, compromises,
         concessions, waivers, releases, discharges and other indulgences to the
         Company or any other Person;

                  (b) take or abstain from taking security or collateral from
         the Company or from perfecting security or collateral of the Company;

                  (c) release, discharge, compromise, realize, enforce or
         otherwise deal with or do any act or thing in respect of (with or
         without consideration) any and all collateral, mortgages or other
         security given by the Company or any third party with respect to the
         obligations or matters contemplated by this Indenture or the Notes;

                  (d) accept compromises or arrangements from the Company;

                  (e) apply all monies at any time received from the Company or
         from any security upon such part of the Obligations as the Holders may
         see fit or change any such application in whole or in part from time to
         time as the Holders may see fit; and

                  (f) otherwise deal with, or waive or modify their right to
         deal with, the Company and all other Persons and any security as the
         Holders or the Trustee may see fit.

                  SECTION 12.15. Default and Enforcement.

                  If any Subsidiary Guarantor fails to pay in accordance with
Section 12.01 hereof, the Trustee may proceed in its name as trustee hereunder
in the enforcement of the Guarantee of any such Subsidiary Guarantor and such
Subsidiary Guarantor's obligations thereunder and hereunder by any remedy
provided by law, whether by legal proceedings or otherwise, and to recover from
such Subsidiary Guarantor the obligations.

 
                                     -122-


                  SECTION 12.16. Amendment, Etc.

                  No amendment, modification or waiver of any provision of this
Indenture relating to any Subsidiary Guarantor or consent to any departure by
any Subsidiary Guarantor or any other Person from any such provision will in any
event be effective unless it is signed by such Subsidiary Guarantor and the
Trustee.

                  SECTION 12.17. Acknowledgment.

                  Each Subsidiary Guarantor hereby acknowledges communication of
the terms of this Indenture and the Notes and consents to and approves of the
same.

                  SECTION 12.18. Costs and Expenses.

                  Each Subsidiary Guarantor shall pay on demand by the Trustee
any and all costs, fees and expenses (including, without limitation, legal fees
on a solicitor and client basis) incurred by the Trustee, its agents, advisors
and counsel or any of the Holders in enforcing any of their rights under any
Guarantee.

                  SECTION 12.19. No Merger or Waiver; Cumulative Remedies.

                  No Guarantee shall operate by way of merger of any of the
obligations of a Subsidiary Guarantor under any other agreement, including,
without limitation, this Indenture. No failure to exercise and no delay in
exercising, on the part of the Trustee or the Holders, any right, remedy, power
or privilege in the Guarantee or under this Indenture or the Notes, shall
operate as a waiver thereof; nor shall any single or partial exercise of any
right, remedy, power or privilege in the Guarantee or under this Indenture or
the Notes preclude any other or further exercise thereof or the exercise of any
other right, remedy, power or privilege. The rights, remedies, powers and
privileges in the Guarantee and under this Indenture, the Notes and any other
document or instrument between a Subsidiary Guarantor and/or the Company and the
Trustee are cumulative and not exclusive of any rights, remedies, powers and
privileges provided by law.

                  SECTION 12.20. [Intentionally Omitted].

 
                                     -123-


                  SECTION 12.21. Guarantee in Addition to Other Obligations.

                  The obligations of each Subsidiary Guarantor under its
Guarantee and this Indenture are in addition to and not in substitution for any
other obligations to the Trustee or to any of the Holders in relation to this
Indenture or the Notes and any guarantees or security at any time held by or for
the benefit of any of them.

                  SECTION 12.22. Severability.

                  Any provision of this Article Twelve which is prohibited or
unenforceable in any jurisdiction shall not invalidate the remaining provisions
and any such prohibition or unenforceability in any jurisdiction shall not
invalidate or render unenforceable such provision in any other jurisdiction
unless its removal would substantially defeat the basic intent, spirit and
purpose of this Indenture and this Article Twelve.

                  SECTION 12.23. Successors and Assigns.

                  Each Guarantee shall be binding upon and inure to the benefit
of each Subsidiary Guarantor and the Trustee and the other Holders and their
respective successors and permitted assigns, except that no Subsidiary Guarantor
may assign any of its obligations hereunder or thereunder.


                                ARTICLE THIRTEEN

                           SUBORDINATION OF GUARANTEE


                  SECTION 13.01. Obligations of Guarantors Subordinated to
                         Guarantor Senior Indebtedness.

                  Anything herein to the contrary notwithstanding, each of the
Subsidiary Guarantors, for itself and its successors, and each Holder, by its
acceptance of Guarantees, agrees that the payment of all Obligations owing to
the Holders in respect of its Guarantee (collectively, as to any Subsidiary
Guarantor, its "Guarantee Obligations") is subordinated, to the extent and in
the manner provided in this Article Thirteen, to the prior payment in full in
cash or Cash Equivalents of all Obligations on Guarantor Senior Indebtedness of
such Subsidiary Guarantor,

 
                                     -124-


including without limitation, the Subsidiary Guarantors' obligations under the
Credit Agreement.

                  This Article Thirteen shall constitute a continuing offer to
all Persons who become holders of, or continue to hold, Guarantor Senior
Indebtedness, and such provisions are made for the benefit of the holders of
Guarantor Senior Indebtedness and such holders are made obligees hereunder and
any one or more of them may enforce such provisions.

                  SECTION 13.02. Suspension of Guarantee Obligations When
                  Guarantor Senior Indebtedness is in Default.

                  (a) If any default occurs and is continuing in the payment
when due, whether at maturity, upon any redemption, by declaration or otherwise,
of any principal of, interest on, unpaid drawings for letters of credit issued
in respect of, or regularly accruing fees with respect to, any Designated Senior
Indebtedness of a Subsidiary Guarantor or guaranteed by a Subsidiary Guarantor
(which Designated Senior Indebtedness or guarantee, as the case may be,
constitutes Guarantor Senior Indebtedness of such Subsidiary Guarantor), no
payment of any kind or character shall be made by or on behalf of such
Subsidiary Guarantor or any other Person on its or their behalf with respect to
any Guarantee Obligations on the Notes or to acquire any of the Notes for cash
or property or otherwise. In addition, if any other event of default occurs and
is continuing with respect to any Guarantor Senior Indebtedness which is
Designated Senior Indebtedness, as such event of default is defined in the
instrument creating or evidencing such Guarantor Senior Indebtedness, permitting
the holders of such Guarantor Senior Indebtedness then outstanding to accelerate
the maturity thereof and if the Representative for the respective issue of
Guarantor Senior Indebtedness gives a Default Notice, then, unless and until all
events of default have been cured or waived or have ceased to exist or the
Trustee receives notice from the Representative for the respective issue of
Guarantor Senior Indebtedness terminating the Blockage Period, during the
Blockage Period, neither any Subsidiary Guarantor nor any other Person on its
behalf shall (x) make any payment of any kind or character with respect to any
Guarantee Obligations on the Notes or (y) acquire any of the Notes for cash or
property or otherwise. Notwithstanding anything herein to the contrary, in no
event will a Blockage Period extend beyond 180 days from the date the payment on
the Notes was due and only one such Blockage Period may be commenced within any
360 consecutive days. No event of default which existed or was continuing on the
date of the com- 


 
                                     -125-

mencement of any Blockage Period with respect to the Guarantor Senior
Indebtedness shall be, or be made, the basis for commencement of a second
Blockage Period by the Representative of such Guarantor Senior Indebtedness
whether or not within a period of 360 consecutive days, unless such event of
default shall have been cured or waived for a period of not less than 90
consecutive days (it being acknowledged that any subsequent action, or any
breach of any financial covenants for a period commencing after the date of
commencement of such Blockage Period, that in either case, would give rise to an
event of default pursuant to any provisions under which an event of default
previously existed or was continuing shall constitute a new event of default for
this purpose).

                  (b) In the event that, notwithstanding the foregoing, any
payment shall be received by the Trustee or any Holder when such payment is
prohibited by Section 13.02(a), such payment shall be held in trust for the
benefit of, and shall be paid over or delivered to, the holders of Guarantor
Senior Indebtedness (pro rata to such holders on the basis of the respective
amount of Guarantor Senior Indebtedness held by such holders) or their
respective Representatives, as their respective interests may appear. The
Trustee shall be entitled to rely on information regarding amounts then due and
owing on the Guarantor Senior Indebtedness, if any, received from the holders of
Guarantor Senior Indebtedness (or their Representatives) or, if such information
is not received from such holders or their Representatives, from the Company and
only amounts included in the information provided to the Trustee shall be paid
to the holders of Guarantor Senior Indebtedness.

                  Nothing contained in this Article Thirteen shall limit the
right of the Trustee or the Holders of Notes to take any action to accelerate
the maturity of the Notes pursuant to Section 6.02 or to pursue any rights or
remedies hereunder; provided that all Guarantor Senior Indebtedness thereafter
due or declared to be due shall first be paid in full in cash or Cash
Equivalents before the Holders are entitled to receive any payment of any kind
or character with respect to Obligations on the Notes.

 
                                     -126-


                  SECTION 13.03. Guarantee Obligations Subordinated to Prior
          Payment of All Guarantor Senior Indebtedness on Dissolution,
           Liquidation or Reorganization of Such Subsidiary Guarantor.

                  Upon any payment or distribution of assets of any Subsidiary
Guarantor of any kind or character, whether in cash, property or securities to
creditors upon any total or partial liquidation, dissolution, winding up,
reorganization, assignment for the benefit of creditors or marshaling of assets
of such Subsidiary Guarantor, whether voluntary or involuntary, or in a
bankruptcy, reorganization, insolvency, receivership or other similar proceeding
relating to any Subsidiary Guarantor or its property, whether voluntary or
involuntary, but excluding any liquidation or dissolution of a Subsidiary
Guarantor into the Company or into another Subsidiary Guarantor:

                  (a) the holders of all Guarantor Senior Indebtedness of such
         Subsidiary Guarantor shall first be entitled to receive payments in
         full in cash or Cash Equivalents, or such payment duly provided for to
         the satisfaction of the holders of Guarantor Senior Indebtedness, of
         all amounts payable under Guarantor Senior Indebtedness before the
         Holders will be entitled to receive any payment or distribution of any
         kind or character on account of the Guarantee of such Subsidiary
         Guarantor, and until all Obligations with respect to the Guarantor
         Senior Indebtedness are paid in full in cash or Cash Equivalents, or
         such payment duly provided for to the satisfaction of the holders of
         Guarantor Senior Indebtedness, any distribution to which the Holders
         would be entitled shall be made to the holders of Guarantor Senior
         Indebtedness of such Subsidiary Guarantor;

                  (b) any payment or distribution of assets of such Subsidiary
         Guarantor of any kind or character, whether in cash, property or
         securities, to which the Holders or the Trustee on behalf of the
         Holders would be entitled except for the provisions of this Article
         Thirteen shall be paid by the liquidating trustee or agent or other
         Person making such a payment or distribution, directly to the holders
         of Guarantor Senior Indebtedness of such Subsidiary Guarantor or their
         representatives, ratably according to the respective amounts of such
         Guarantor Senior Indebtedness remaining unpaid held or represented by
         each, until all such Guarantor Senior Indebtedness remaining unpaid
         shall have been paid in full in cash or Cash Equivalents, or such

 
                                     -127-


         payment duly provided for to the satisfaction of the holders of
         Guarantor Senior Indebtedness, after giving effect to any concurrent
         payment or distribution to the holders of such Guarantor Senior
         Indebtedness; and

                  (c) in the event that, notwithstanding the foregoing, any
         payment or distribution of assets of such Subsidiary Guarantor of any
         kind or character, whether such payment shall be in cash, property or
         securities, and such Subsidiary Guarantor shall have made payment to
         the Trustee or directly to the Holders or any Paying Agent in respect
         of payment of the Guarantees before all Guarantor Senior Indebtedness
         of such Subsidiary Guarantor is paid in full in cash or Cash
         Equivalents, or such payment duly provided for to the satisfaction of
         the holders of Guarantor Senior Indebtedness, such payment or
         distribution shall be received, segregated from other funds, and held
         in trust by the Trustee or such Holder or Paying Agent for the benefit
         of, and shall immediately be paid over by the Trustee or by the Holder
         to, the holders of such Guarantor Senior Indebtedness or their
         representatives, ratably according to the respective amounts of such
         Guarantor Senior Indebtedness held or represented by each, until all
         such Guarantor Senior Indebtedness remaining unpaid shall have been
         paid in full in cash or Cash Equivalents, or such payment duly provided
         for to the satisfaction of the holders of Guarantor Senior
         Indebtedness, after giving effect to any concurrent payment or
         distribution to the holders of Guarantor Senior Indebtedness.

                  Each Subsidiary Guarantor shall give prompt notice to the
Trustee prior to any dissolution, winding-up, total or partial liquidation or
reorganization (including, without limitation, in bankruptcy, insolvency, or
receivership proceedings or upon any assignment for the benefit of creditors or
any other marshaling of such Subsidiary Guarantor's assets and liabilities).

                  SECTION 13.04. Holders of Guarantee Obligations To Be
        Subrogated to Rights of Holders of Guarantor Senior Indebtedness.

                  Subject to the payment in full in cash or Cash Equivalents of
all Guarantor Senior Indebtedness, the Holders of Guarantee Obligations of a
Subsidiary Guarantor shall be subrogated to the rights of the holders of
Guarantor Senior Indebtedness of such Subsidiary Guarantor to receive payments
or distributions of assets of such Subsidiary Guarantor applicable

 
                                     -128-


to such Guarantor Senior Indebtedness until all amounts owing on or in respect
of the Guarantee Obligations shall be paid in full in cash or Cash Equivalents,
and for the purpose of such subrogation no payments or distributions to the
holders of such Guarantor Senior Indebtedness by or on behalf of such Subsidiary
Guarantor, or by or on behalf of the Holders by virtue of this Article Thirteen,
which otherwise would have been made to the Holders shall, as between such
Subsidiary Guarantor and the Holders, be deemed to be payment by such Subsidiary
Guarantor to or on account of such Guarantor Senior Indebtedness, it being
understood that the provisions of this Article Thirteen are and are intended
solely for the purpose of defining the relative rights of the Holders, on the
one hand, and the holders of such Guarantor Senior Indebtedness, on the other
hand.

                  If any payment or distribution to which the Holders would
otherwise have been entitled but for the provisions of this Article Thirteen
shall have been applied, pursuant to the provisions of this Article Thirteen, to
the payment of all amounts payable under such Guarantor Senior Indebtedness,
then the Holders shall be entitled to receive from the holders of such Guarantor
Senior Indebtedness any such payments or distributions received by such holders
of such Guarantor Senior Indebtedness in excess of the amount sufficient to pay
all amounts payable under or in respect of such Guarantor Senior Indebtedness in
full in cash or Cash Equivalents.

                  Each Holder by purchasing or accepting a Note waives any and
all notice of the creation, modification, renewal, extension or accrual of any
Guarantor Senior Indebtedness of the Subsidiary Guarantors and notice of or
proof of reliance by any holder or owner of Guarantor Senior Indebtedness of the
Subsidiary Guarantors upon this Article Thirteen and the Guarantor Senior
Indebtedness of the Subsidiary Guarantors shall conclusively be deemed to have
been created, contracted or incurred in reliance upon this Article Thirteen, and
all dealings between the Subsidiary Guarantors and the holders and owners of the
Guarantor Senior Indebtedness of the Subsidiary Guarantors shall be deemed to
have been consummated in reliance upon this Article Thirteen.

                  SECTION 13.05. Obligations of the Subsidiary Guarantors'
                                 Unconditional.

                  Nothing contained in this Article Thirteen or elsewhere in
this Indenture or in the Guarantees is intended to or shall impair, as between
the Subsidiary Guarantors and the Holders, the obligation of the Subsidiary
Guarantors, which is

 
                                     -129-


absolute and unconditional, to pay to the Holders all amounts due and payable
under the Guarantees as and when the same shall become due and payable in
accordance with their terms, or is intended to or shall affect the relative
rights of the Holders and creditors of the Subsidiary Guarantors other than the
holders of the Guarantor Senior Indebtedness, nor shall anything herein or
therein prevent the Trustee or any Holder from exercising all remedies otherwise
permitted by applicable law upon default under this Indenture, subject to the
rights, if any, under this Article Thirteen, of the holders of Guarantor Senior
Indebtedness in respect of cash, property or securities of the Subsidiary
Guarantors received upon the exercise of any such remedy. Upon any payment or
distribution of assets of any Subsidiary Guarantor referred to in this Article
Thirteen, the Trustee, subject to the provisions of Sections 7.01 and 7.02, and
the Holders shall be entitled to rely upon any order or decree made by any court
of competent jurisdiction in which any liquidation, dissolution, winding-up or
reorganization proceedings are pending, or a certificate of the receiver,
trustee in bankruptcy, liquidating trustee or agent or other Person making any
payment or distribution to the Trustee or to the Holders for the purpose of
ascertaining the Persons entitled to participate in such payment or
distribution, the holders of Guarantor Senior Indebtedness and other
Indebtedness of any Subsidiary Guarantor, the amount thereof or payable thereon,
the amount or amounts paid or distributed thereon and all other facts pertinent
thereto or to this Article Thirteen. Nothing in this Article Thirteen shall
apply to the claims of, or payments to, the Trustee under or pursuant to Section
7.07. The Trustee shall be entitled to rely on the delivery to it of a written
notice by a Person representing himself or itself to be a holder of any
Guarantor Senior Indebtedness (or a trustee on behalf of, or other
representative of, such holder) to establish that such notice has been given by
a holder of such Guarantor Senior Indebtedness or a trustee or representative on
behalf of any such holder.

                  In the event that the Trustee determines in good faith that
any evidence is required with respect to the right of any Person as a holder of
Guarantor Senior Indebtedness to participate in any payment or distribution
pursuant to this Article Thirteen, the Trustee may request such Person to
furnish evidence to the reasonable satisfaction of the Trustee as to the amount
of Guarantor Senior Indebtedness held by such Person, the extent to which such
Person is entitled to participate in such payment or distribution and any other
facts pertinent to the rights of such Person under this Article Thirteen, and if
such evidence is not furnished, the Trustee may defer any

 
                                     -130-


payment to such Person pending judicial determination as to the right of such
Person to receive such payment.

                  SECTION 13.06. Trustee Entitled To Assume Payments Not
                        Prohibited in Absence of Notice.

                  The Trustee shall not at any time be charged with knowledge of
the existence of any facts that would prohibit the making of any payment to or
by the Trustee unless and until the Trustee or any Paying Agent shall have
received notice thereof from the Company or any Subsidiary Guarantor or from one
or more holders of Guarantor Senior Indebtedness or from any Representative
therefor and, prior to the receipt of any such notice, the Trustee, subject to
the provisions of Sections 7.01 and 7.02, shall be entitled in all respects
conclusively to assume that no such fact exists.

                  SECTION 13.07. Application by Trustee of Assets Deposited with
                                       It.

                  U.S. Legal Tender or U.S. Government Obligations deposited in
trust with the Trustee pursuant to and in accordance with Sections 8.01 and 8.02
shall be for the sole benefit of Holders of the Notes and, to the extent
allocated for the payment of Notes, shall not be subject to the subordination
provisions of this Article Thirteen. Otherwise, any deposit of assets or
securities by or on behalf of a Subsidiary Guarantor with the Trustee or any
Paying Agent (whether or not in trust) for payment of the Guarantees shall be
subject to the provisions of this Article Thirteen; provided, however, that if
prior to the second Business Day preceding the date on which by the terms of
this Indenture any such assets may become distributable for any purpose
(including, without limitation, the payment of either principal of or interest
on any Note) the Trustee or such Paying Agent shall not have received with
respect to such assets the notice provided for in Section 13.06, then the
Trustee or such Paying Agent shall have full power and authority to receive such
assets and to apply the same to the purpose for which they were received, and
shall not be affected by any notice to the contrary received by it on or after
such date. The foregoing shall not apply to the Paying Agent if the Company or
any Subsidiary or Affiliate of the Company is acting as Paying Agent. Nothing
contained in this Section 13.07 shall limit the right of the holders of
Guarantor Senior Indebtedness to recover payments as contemplated by this
Article Thirteen.

 
                                     -131-


                  SECTION 13.08. No Waiver of Subordination Provisions.

                  (a) No right of any present or future holder of any Guarantor
Senior Indebtedness to enforce subordination as herein provided shall at any
time in any way be prejudiced or impaired by any act or failure to act on the
part of any Subsidiary Guarantor or by any act or failure to act, by any such
holder, or by any non-compliance by any Subsidiary Guarantor with the terms,
provisions and covenants of this Indenture, regardless of any knowledge thereof
any such holder may have or be otherwise charged with.

                  (b) Without limiting the generality of subsection (a) of this
Section 13.08, the holders of Guarantor Senior Indebtedness may, at any time and
from time to time, without the consent of or notice to the Trustee or the
Holders of the Notes, without incurring responsibility to the Holders of the
Notes and without impairing or releasing the subordination provided in this
Article Thirteen or the obligations hereunder of the Holders of the Notes to the
holders of Guarantor Senior Indebtedness, do any one or more of the following:
(1) change the manner, place, terms or time of payment of, or renew or alter,
Guarantor Senior Indebtedness or any instrument evidencing the same or any
agreement under which Guarantor Senior Indebtedness is outstanding; (2) sell,
exchange, release or otherwise deal with any property pledged, mortgaged or
otherwise securing Guarantor Senior Indebtedness; (3) release any Person liable
in any manner for the collection or payment of Guarantor Senior Indebtedness;
and (4) exercise or refrain from exercising any rights against the Subsidiary
Guarantors and any other Person.

                  SECTION 13.09. Holders Authorize Trustee To Effectuate
                     Subordination of Guarantee Obligations.

                  Each Holder of the Guarantee Obligations by its acceptance
thereof authorizes and expressly directs the Trustee on its behalf to take such
action as may be necessary or appropriate to effect the subordination provisions
contained in this Article Thirteen, and appoints the Trustee its
attorney-in-fact for such purpose, including, in the event of any liquidation,
dissolution, winding-up, reorganization, assignment for the benefit of creditors
or marshaling of assets of any Subsidiary Guarantor tending towards liquidation
or reorganization of the business and assets of any Subsidiary Guarantor, the
immediate filing of a claim for the unpaid balance under its or his Guarantee
Obligations in the form required in said proceedings and

 
                                     -132-


cause said claim to be approved. If the Trustee does not file a proper claim or
proof of debt in the form required in such proceeding prior to 30 days before
the expiration of the time to file such claim or claims, then any of the holders
of the Guarantor Senior Indebtedness or their Representative is hereby
authorized to file an appropriate claim for and on behalf of the Holders of said
Guarantee Obligations. Nothing herein contained shall be deemed to authorize the
Trustee or the holders of Guarantor Senior Indebtedness or their Representative
to authorize or consent to or accept or adopt on behalf of any holder of
Guarantee Obligations any plan of reorganization, arrangement, adjustment or
composition affecting the Guarantee Obligations or the rights of any Holder
thereof, or to authorize the Trustee or the holders of Guarantor Senior
Indebtedness or their Representative to vote in respect of the claim of any
holder of Guarantee Obligations in any such proceeding.

                  SECTION 13.10. Right of Trustee to Hold Guarantor Senior
                                  Indebtedness.

                  The Trustee shall be entitled to all of the rights set forth
in this Article Thirteen in respect of any Guarantor Senior Indebtedness at any
time held by it to the same extent as any other holder of Guarantor Senior
Indebtedness, and nothing in this Indenture shall be construed to deprive the
Trustee of any of its rights as such holder.

                  With respect to the holders of Guarantor Senior Indebtedness,
the Trustee undertakes to perform or to observe only such of its covenants and
obligations as are specifically set forth in this Article Thirteen, and no
implied covenants or obligations with respect to the holders of Guarantor Senior
Indebtedness shall be read into this Indenture against the Trustee. The Trustee
shall not be deemed to owe any fiduciary duty to the holders of Guarantor Senior
Indebtedness.

                  Whenever a distribution is to be made or a notice given to
holders or owners of Guarantor Senior Indebtedness, the distribution may be made
and the notice may be given to their agent or other representative, if any.

                  SECTION 13.11. No Suspension of Remedies.

                  The failure to make a payment in respect of the Guarantees by
reason of any provision of this Article Thirteen shall not be construed as
preventing the occurrence of a Default or an Event of Default under Section
6.01.

 
                                     -133-


                  Nothing contained in this Article Thirteen shall limit the
right of the Trustee or the Holders of Notes to take any action to accelerate
the maturity of the Notes pursuant to Article Six or to pursue any rights or
remedies hereunder or under applicable law, subject to the rights, if any, under
this Article Thirteen of the holders, from time to time, of Guarantor Senior
Indebtedness.

                  SECTION 13.12. No Fiduciary Duty of Trustee to Holders of
                         Guarantor Senior Indebtedness.

                  The Trustee shall not be deemed to owe any fiduciary duty to
the holders of Guarantor Senior Indebtedness, and it undertakes to perform or
observe such of its covenants and obligations as are specifically set forth in
this Article Thirteen, and no implied covenants or obligations with respect to
the Guarantor Senior Indebtedness shall be read into this Indenture against the
Trustee. The Trustee shall not be liable to any such holders (other than for its
willful misconduct or gross negligence) if it shall pay over or deliver to the
holders of Guarantee Obligations or the Guarantors or any other Person, money or
assets in compliance with the terms of this Indenture. Nothing in this Section
13.12 shall affect the obligation of any Person other than the Trustee and the
Holders to hold such payment for the benefit of, and to pay such payment over
to, the holders of Guarantor Senior Indebtedness or their Representative.

 
                                       S-1

                                   SIGNATURES

                  IN WITNESS WHEREOF, the parties hereto have caused this
Indenture to be duly executed, all as of the date first written above.

                                                     ACQUISITION CORP.


                                                     By:   /s/ Wesley W. Lang
                                                        -----------------------
                                                        Name:  Wesley W. Lang
                                                        Title: President


                                                     STATE STREET BANK AND
                                                      TRUST COMPANY, as Trustee


                                                     By:   /s/ P. G. Kane, Jr.
                                                        -----------------------
                                                        Name:  P. G. Kane, Jr.
                                                        Title: Vice President

 
                                                                     EXHIBIT A

                             [FORM OF SERIES A NOTE]

THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS
AMENDED (THE "SECURITIES ACT"), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD
WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS
EXCEPT AS SET FORTH BELOW. BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS
THAT (A) IT IS A "QUALIFIED INSTITUTIONAL BUYER" (AS DEFINED IN RULE 144A UNDER
THE SECURITIES ACT) OR (B) IT IS AN "ACCREDITED INVESTOR" (AS DEFINED IN RULE
501(a)(1), (2), (3), OR (7) UNDER THE SECURITIES ACT) (AN "ACCREDITED INVESTOR")
OR (C) IT IS NOT A U.S. PERSON AND IS ACQUIRING THIS SECURITY IN AN OFFSHORE
TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE SECURITIES ACT, (2) AGREES
THAT IT WILL NOT, PRIOR TO THE DATE THAT IS TWO YEARS AFTER THE LATER OF THE
ORIGINAL ISSUE DATE OF THIS SECURITY AND THE LAST DATE ON WHICH THE COMPANY OR
ANY AFFILIATED PERSON OF THE COMPANY WAS THE OWNER OF THIS SECURITY, RESELL OR
OTHERWISE TRANSFER THIS SECURITY EXCEPT (A) TO THE COMPANY OR ANY SUBSIDIARY
THEREOF, (B) INSIDE THE UNITED STATES TO A QUALIFIED INSTITUTIONAL BUYER IN
COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, (C) INSIDE THE UNITED STATES
TO AN ACCREDITED INVESTOR THAT, PRIOR TO SUCH TRANSFER, FURNISHES (OR HAS
FURNISHED ON ITS BEHALF BY A U.S. BROKER-DEALER) TO THE TRUSTEE A SIGNED LETTER
CONTAINING CERTAIN REPRESENTATIONS AND AGREEMENTS RELATING TO THE RESTRICTIONS
ON TRANSFER OF THIS SECURITY (THE FORM OF WHICH LETTER CAN BE OBTAINED FROM THE
TRUSTEE FOR THIS SECURITY), (D) OUTSIDE THE UNITED STATES IN AN OFFSHORE
TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE SECURITIES ACT, (E) PURSUANT
TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT
(IF AVAILABLE), OR (F) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE
SECURITIES ACT AND (3) AGREES THAT IT WILL GIVE TO EACH PERSON TO WHOM THIS
SECURITY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. IN
CONNECTION WITH ANY TRANSFER OF THIS SECURITY WITHIN TWO YEARS AFTER THE
ORIGINAL ISSUANCE OF THIS SECURITY, IF THE PROPOSED TRANSFEREE IS AN ACCREDITED
INVESTOR, THE HOLDER MUST, PRIOR TO SUCH TRANSFER, FURNISH TO THE TRUSTEE AND
THE COMPANY SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS EITHER
OF THEM MAY REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE
PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE
REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. AS USED HEREIN, THE TERMS
"OFFSHORE TRANSACTION," "UNITED STATES" AND "U.S. PERSON" HAVE THE MEANINGS
GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT.


                                      A-1

 
                                                                CUSIP No.:_____

                                ACQUISITION CORP.
                 12% SENIOR SUBORDINATED NOTE DUE 2008, SERIES A

No._______                                                         $___________

                  ACQUISITION CORP., a Delaware corporation (the "Company,"
which term includes any successor entities), for value received promises to pay
to or registered assigns the principal sum of
        Dollars on January 15, 2008.

                  Interest Payment Dates: July 15 and January 15, commencing
July 15, 1998

                  Record Dates:  July 1 and January 1

                  Reference is made to the further provisions of this Note
contained herein, which will for all purposes have the same effect as if set
forth at this place.

                  IN WITNESS WHEREOF, the Company has caused this Note to be
signed manually or by facsimile by its duly authorized officers.

                                                     ACQUISITION CORP.


                                                     By:
                                                        -------------------
                                                        Name:
                                                        Title:


                                                     By:
                                                        -------------------
                                                        Name:
                                                        Title:
Dated:  [month date], [year]


                                      A-2

 
Certificate of Authentication

                  This is one of the 12 % Senior Subordinated Notes due 2008,
Series A, referred to in the within-mentioned Indenture.

                                                 STATE STREET BANK AND TRUST
                                                   COMPANY, as Trustee

                                                 By:
                                                    ------------------------
                                                      Authorized Signatory

Date of Authentication:  [month date], [year]


                                      A-3

 
                              (REVERSE OF SECURITY)

                 12% Senior Subordinated Note due 2008, Series A


                  Capitalized terms used and not otherwise defined herein shall
have the meanings ascribed to them in the Indenture, dated as of January 29,
1998 (the "Indenture"), and as amended from time to time, by and among
Acquisition corp., a Delaware corporation (the "Company"), the Subsidiary
Guarantors named therein and State Street Bank and Trust Company, as trustee
(the "Trustee").

                  (1) Interest. The Company promises to pay interest on the
principal amount of this Note at the rate per annum shown above. Interest on the
Notes will accrue from the most recent date on which interest has been paid or,
if no interest has been paid, from January 29, 1998. The Company will pay
interest semi-annually in arrears on each Interest Payment Date, commencing July
15, 1998. Interest will be computed on the basis of a 360-day year of twelve
30-day months and, in the case of a partial month, the actual number of days
elapsed.

                  The Company shall pay interest on overdue principal and on
overdue installments of interest from time to time on demand at the rate borne
by the Notes and on overdue installments of interest (without regard to any
applicable grace periods) to the extent lawful.

                  (2) Method of Payment. The Company shall pay interest on the
Notes (except defaulted interest) to the Persons who are the registered Holders
at the close of business on the Record Date immediately preceding the Interest
Payment Date even if the Notes are cancelled on registration of transfer or
registration of exchange (including pursuant to an Exchange Offer (as defined in
the Registration Rights Agreement)) after such Record Date. Holders must
surrender Notes to a Paying Agent to collect principal payments. The Company
shall pay principal and premium, if any, and interest in money of the United
States that at the time of payment is legal tender for payment of public and
private debts ("U.S. Legal Tender"). However, the Company may pay principal and
premium, if any, and interest by check payable in such U.S. Legal Tender. The
Company may deliver any such interest payment to the Paying Agent or to a Holder
at the Holder's registered address.

                  (3) Paying Agent and Registrar. Initially, the Trustee will
act as Paying Agent and Registrar. The Company may change any Paying Agent,
Registrar or co-Registrar without notice to the Holders.


                                      A-4

 
                  (4) Indenture. The Company issued the Notes under the
Indenture. This Note is one of a duly authorized issue of Notes of the Company
designated as its 12% Senior Subordinated Notes due 2008, Series A (the "Initial
Notes"), limited (except as otherwise provided in the Indenture) in aggregate
principal amount to $150,000,000 which may be issued under the Indenture. The
Notes include the Initial Notes, the Private Exchange Notes and the Unrestricted
Notes, as defined below, issued in exchange for the Initial Notes pursuant to
the Registration Rights Agreement. The Initial Notes, the Private Exchange Notes
and the Unrestricted Notes are treated as a single class of securities under the
Indenture. The terms of the Notes include those stated in the Indenture and
those made part of the Indenture by reference to the Trust Indenture Act of 1939
(15 U.S. Code ss.ss. 77aaa-77bbbb) (the "TIA"), as in effect on the date of the
Indenture. Notwithstanding anything to the contrary herein, the Notes are
subject to all such terms, and Holders of Notes are referred to the Indenture
and the TIA for a statement of such terms. The Notes are general unsecured
obligations of the Company. Payment on each Note is guaranteed on a senior basis
by the Subsidiary Guarantors pursuant to Article 12 of the Indenture. Each
Holder, by accepting a Note, agrees to be bound by all of the terms and
provisions of the Indenture, as the same may be amended from time to time in
accordance with its terms.

                  (5) Redemption. (a) The Notes are redeemable, at the Company's
option, in whole at any time or in part from time to time, on and after January
15, 2003, upon not less than 30 nor more than 60 days' notice, at the following
Redemption Prices (expressed as percentages of the principal amount thereof) if
redeemed during the twelve-month period commencing on January 15 of the years
set forth below, plus, in each case, accrued and unpaid interest thereon, if
any, to the date of redemption:

      Year                                                 Percentage
      ----                                                 ----------
      2003..................................................106.000%
      2004..................................................104.500%
      2005..................................................103.000%
      2006..................................................101.500%
      2007 and thereafter...................................100.000%

                  (b) Notwithstanding the foregoing, at any time, or from time
to time, on or prior to January 15, 2001, the Company may, at its option,
redeem, with the net cash proceeds of one or more Public Equity Offerings, up to
35% of the aggregate principal amount of the Notes originally issued at a
redemption price equal to 112.0% of the principal amount thereof, plus accrued
interest thereon, if any, to the date of redemption; pro-


                                      A-5

 
vided, that at least 65% of the aggregate principal amount of the Notes
originally issued remain outstanding immediately following such redemption. In
order to effect the foregoing redemption with the proceeds of any Public Equity
Offering, the Company shall make such redemption not more than 60 days after the
consummation of any such Public Equity Offering.

                  (c) Optional Redemption Prior to Consummation of the Merger.
Upon termination of the Merger Agreement, or upon the Company's reasonable
determination that the Merger cannot or will not be consummated by October 29,
1998, the Company, at its option, may redeem the Notes in whole at any time
prior to October 29, 1998, upon not less than 10 nor more than 60 days' notice
(but in no event after October 29, 1998), at a redemption price of 102.5% of the
principal amount thereof, plus accrued and unpaid interest to the date of
redemption.

                  (d) Mandatory Redemption if Merger not Consummated. In the
event that the Merger is not consummated on or before October 29, 1998, the
Company shall immediately redeem the Notes in whole at a Redemption Price equal
to 102.5% of the principal amount of the Notes, plus accrued and unpaid interest
to the Redemption Date.

                  (6) Notice of Redemption. Notice of redemption will be mailed
at least 30 days (or, prior to consummation of the Merger, at least 10 days) but
not more than 60 days before the Redemption Date to each Holder of Notes to be
redeemed at its registered address. Notes in denominations larger than $1,000
may be redeemed in part.

                  Except as set forth in the Indenture, if monies for the
redemption of the Notes called for redemption shall have been deposited with the
Paying Agent for redemption on such Redemption Date, then, unless the Company
defaults in the payment of such Redemption Price plus accrued interest, if any,
the Notes called for redemption will cease to bear interest from and after such
Redemption Date and the only right of the Holders of such Notes will be to
receive payment of the Redemption Price plus accrued interest, if any.

                  (7) Offers to Purchase. Sections 4.15 and 4.16 of the
Indenture provide that, after certain Asset Sales and upon the occurrence of a
Change of Control, and subject to further limitations contained therein, the
Company will make an offer to purchase certain amounts of the Notes in
accordance with the procedures set forth in the Indenture.

                  (8) Registration Rights. Pursuant to the Registration Rights
Agreement among the Company, the Subsidiary Guarantors and the Initial
Purchasers, the Company and the Sub-


                                      A-6

 
sidiary Guarantors will be obligated to consummate an exchange offer pursuant to
which the Holder of this Note shall have the right to exchange this Note for the
Company's 12% Senior Subordinated Notes due 2008, Series B (the "Unrestricted
Notes"), which will be registered under the Securities Act, in like principal
amount and having terms identical in all material respects as the Initial Notes.
The Holders of the Initial Notes shall be entitled to receive certain additional
interest payments in the event such exchange offer is not consummated and upon
certain other conditions, all pursuant to and in accordance with the terms of
the Registration Rights Agreement.

                  (9) Denominations; Transfer; Exchange. The Notes are in
registered form, without coupons, and (except Notes issued as payment of
Interest) in denominations of $1,000 and integral multiples of $1,000. A Holder
shall register the transfer of or exchange of Notes in accordance with the
Indenture. The Registrar may require a Holder, among other things, to furnish
appropriate endorsements and transfer documents and to pay certain transfer
taxes or similar governmental charges payable in connection therewith as
required by law or as permitted by the Indenture. The Registrar need not
register the transfer of or exchange of any Notes or portions thereof selected
for redemption except for the unredeemed portion of any Note being redeemed in
part.

                  (10) Persons Deemed Owners. The registered Holder of a Note
shall be treated as the owner of it for all purposes.

                  (11) Unclaimed Money. If money for the payment of principal or
interest remains unclaimed for one year, the Trustee and the Paying Agent will
pay the money back to the Company. After that, all liability of the Trustee and
such Paying Agent with respect to such money shall cease.

                  (12) Discharge Prior to Redemption or Maturity. If the Company
at any time deposits with the Trustee U.S. Legal Tender or U.S. Government
Obligations sufficient to pay the principal of and interest on the Notes to
redemption or maturity and complies with the other provisions of the Indenture
relating thereto, the Company will be discharged from certain provisions of the
Indenture and the Notes (including certain covenants, but including, under
certain circumstances, their obligation to pay the principal of and interest on
the Notes but without affecting the rights of the Holders to receive such
amounts from such deposits).

                  (13) Amendment; Supplement; Waiver. Subject to certain
exceptions set forth in the Indenture, the Indenture or the Notes may be amended
or supplemented with the written con- 


                                      A-7


sent of the Holders of not less than a majority in aggregate principal amount of
the Notes then outstanding, and any past Default or Event of Default or
noncompliance with any provision may be waived with the written consent of the
Holders of not less than a majority in aggregate principal amount of the Notes
then outstanding. Without notice to or consent of any Holder, the parties
thereto may amend or supplement the Indenture or the Notes to, among other
things, cure any ambiguity, defect or inconsistency, provide for uncertificated
Notes in addition to or in place of certificated Notes, comply with any
requirements of the Commission in order to effect or maintain the qualification
of the Indenture under the TIA or comply with Section 5.01 of the Indenture or
make any other change that does not adversely affect the rights of any Holder of
a Note in any material respect.

                  (14) Restrictive Covenants. The Indenture imposes certain
limitations on the ability of the Company and the Subsidiaries to, among other
things, incur additional Indebtedness, make payments in respect of its Capital
Stock or certain Indebtedness, make certain Investments, create or incur liens,
enter into transactions with Affiliates, create dividend or other payment
restrictions affecting Restricted Subsidiaries, issue Preferred Stock of its
Subsidiaries, and on the ability of the Company to merge or consolidate with any
other Person or sell, assign, transfer, lease, convey or otherwise dispose of
all or substantially all of the Company's and its Subsidiaries' assets or adopt
a plan of liquidation. Such limitations are subject to a number of important
qualifications and exceptions. Pursuant to Section 4.06 of the Indenture, the
Company must annually report to the Trustee on compliance with such limitations.

                  (15) Subordination. Upon effectiveness of the Merger (as
defined in the Indenture), the Notes are subordinated in right of payment, in
the manner and to the extent set forth in the Indenture, to the prior payment in
full in cash or Cash Equivalents of all Obligations on Senior Indebtedness of
the Company, whether outstanding on the date of the Indenture or thereafter
created, incurred, assumed or guaranteed. Each Holder by its acceptance hereof
agrees to be bound by such provisions and authorizes and expressly directs the
Trustee, on its behalf, to take such action as may be necessary or appropriate
to effectuate the subordination provided for in the Indenture and appoints the
Trustee its attorney-in-fact for such purposes.

                  (16) Successors. When a successor assumes, in accordance with
the Indenture, all the obligations of its predecessor under the Notes and the
Indenture, the predecessor,


                                      A-8

 
subject to certain exceptions, will be released from those obligations.

                  (17) Defaults and Remedies. Except as set forth in the
Indenture, if an Event of Default occurs and is continuing, the Trustee or the
Holders of not less than 25% in principal amount of Notes then outstanding may
declare all the Notes to be due and payable in the manner, at the time and with
the effect provided in the Indenture. Holders of Notes may not enforce the
Indenture or the Notes except as provided in the Indenture. The Trustee is not
obligated to enforce the Indenture or the Notes unless it has received indemnity
reasonably satisfactory to it. The Indenture permits, subject to certain
limitations therein provided, Holders of a majority in aggregate principal
amount of the Notes then outstanding to direct the Trustee in its exercise of
any trust or power. The Trustee may withhold from Holders of Notes notice of any
continuing Default or Event of Default (except a Default in payment of principal
or interest when due, for any reason or a Default in compliance with Article
Five of the Indenture) if it determines that withholding notice is in their
interest.

                  (18) Trustee Dealings with Company. The Trustee under the
Indenture, in its individual or any other capacity, may become the owner or
pledgee of Notes and may otherwise deal with the Company, its Subsidiaries or
their respective Affiliates as if it were not the Trustee.

                  (19) No Recourse Against Others. No partner, director,
officer, employee or stockholder, as such, of the Company or any Subsidiary
Guarantor, as such, shall have any liability for any obligations of the Company
or any Subsidiary Guarantor under the Notes, the Indenture, the Guarantees or
the Registration Rights Agreement or for any claim based on, in respect of, or
by reason of, such obligations or their creation. Each Holder of Notes by
accepting a Note waives and releases all such liability. The waiver and release
are part of the consideration for the issuance of the Notes.

                  (20) Guarantees. This Note will be entitled to the benefits of
certain Guarantees, if any, made for the benefit of the Holders. Reference is
hereby made to the Indenture for a statement of the respective rights,
limitations of rights, duties and obligations thereunder of the Subsidiary
Guarantors, the Trustee and the Holders.

                  (21) Authentication. This Note shall not be valid until the
Trustee or Authenticating Agent manually signs the certificate of authentication
on this Note.


                                      A-9

 
                  (22) Governing Law. This Note and the Indenture shall be
governed by and construed in accordance with the laws of the State of New York,
as applied to contracts made and performed within the State of New York, without
regard to principles of conflict of laws. Each of the parties hereto and the
Holders agree to submit to the jurisdiction of the courts of the State of New
York in any action or proceeding arising out of or relating to this Note.

                  (23) Abbreviations and Defined Terms. Customary abbreviations
may be used in the name of a Holder of a Note or an assignee, such as: TEN COM
(= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint
tenants with right of survivorship and not as tenants in common), CUST (=
Custodian), and U/G/M/A (= Uniform Gifts to Minors Act).

                  (24) CUSIP Numbers. Pursuant to a recommendation promulgated
by the Committee on Uniform Security Identification Procedures, the Company has
caused CUSIP numbers to be printed on the Notes as a convenience to the Holders
of the Notes. No representation is made as to the accuracy of such numbers as
printed on the Notes and reliance may be placed only on the other identification
numbers printed hereon.

                  The Company will furnish to any Holder of a Note upon written
request and without charge a copy of the Indenture, which has the text of this
Note. Requests may be made to: ACQUISITION CORP., c/o Weiss, Peck & Greer,
L.L.C., One New York Plaza, New York, New York 10004.


                                      A-10

 
                                 ASSIGNMENT FORM


                  If you the Holder want to assign this Note, fill in the form
below and have your signature guaranteed:

I or we assign and transfer this Note to:

_____________________________

_____________________________

_____________________________
                  (Print or type name, address and zip code and
                  social security or tax ID number of assignee)

and irrevocably appoint _______________________________________, agent to
transfer this Note on the books of the Company. The agent may substitute another
to act for him.


Dated: _____________________  Signed:___________________________
                                (Sign exactly as your name appears
                                 on the other side of this Note)

Signature Guarantee:____________________________________________

                  Signature must be guaranteed by an "eligible guarantor
institution," that is, a bank, stockbroker, savings and loan association or
credit union meeting the requirements of the Registrar, which requirements
include membership or participation in the Securities Transfer Agents Medallion
Program ("STAMP") or such other "signature guarantee program" as may be
determined by the Registrar in addition to, or in substitution for, STAMP, all
in accordance with the Securities Exchange Act of 1934, as amended.

                  In connection with any transfer of this Note occurring prior
to the date which is the earlier of (i) the date of the declaration by the
Commission of the effectiveness of a registration statement under the Securities
Act of 1933, as amended (the "Securities Act") covering resales of this Note
(which effectiveness shall not have been suspended or terminated at the date of
the transfer) and (ii) the second anniversary of the Issue Date (provided,
however, that neither the Company nor any affiliate of the Company has held any
beneficial interest in such Note, or portion thereof, at any time on or prior to
the second anniversary of the Issue Date), the undersigned confirms that it has
not utilized any general solicitation or general advertising in connection with
the transfer:


                                      A-11

 
                               [Check One]

(1)        __     to the Company or a Subsidiary thereof; or

(2)        __     pursuant to and in compliance with Rule 144A under the
                  Securities Act of 1933, as amended; or

(3)        __     to an institutional "accredited investor" (as defined in Rule
                  501(a)(1), (2), (3) or (7) under the Securities Act of 1933,
                  as amended) that has furnished to the Trustee a signed letter
                  containing certain representations and agreements (the form
                  of which letter can be obtained from the Trustee); or

(4)        __     outside the United states to a "foreign person" in compliance
                  with Rule 904 of Regulation S under the Securities Act of
                  1933, as amended; or

(5)        __     pursuant to the exemption from registration provided by Rule
                  144 under the Securities Act of 1933, as amended; or

(6)        __     pursuant to an effective registration statement under the
                  Securities Act of 1933, as amended; or

(7)        __     pursuant to another available exemption from the registration
                  requirements of the Securities Act of 1933, as amended.

and unless the box below is checked, the undersigned confirms that such Note is
not being transferred to an "affiliate" of the Company as defined in Rule 144
under the Securities Act of 1933, as amended (an "Affiliate"):

         |_|  The transferee is an Affiliate of the Company.

Unless one of the items is checked, the Trustee will refuse to register any of
the Notes evidenced by this certificate in the name of any person other than the
registered Holder thereof; provided, however, that if item (3), (4), (5) or (7)
is checked, the Company or the Trustee may require, prior to registering any
such transfer of the Notes, in their sole discretion, such written legal
opinions, certifications (including an investment letter in the case of box (3)
or (4)) and other information as the Trustee or the Company have reasonably
requested to confirm that such transfer is being made pursuant to an exemption
from, or in a transaction not subject to, the registration requirements of the
Securities Act of 1933, as amended.


                                      A-12

 
                  If none of the foregoing items are checked, the Trustee or
Registrar shall not be obligated to register this Note in the name of any person
other than the Holder hereof unless and until the conditions to any such
transfer of registration set forth herein and in Section 2.17 of the Indenture
shall have been satisfied.

Dated:_____________________       Signed:__________________________________
                                        (Sign exactly as your name appears
                                         on the other side of this Note)

Signature Guarantee:


              TO BE COMPLETED BY PURCHASER IF (2) ABOVE IS CHECKED

                  The undersigned represents and warrants that it is purchasing
this Note for its own account or an account with respect to which it exercises
sole investment discretion and that it and any such account is a "qualified
institutional buyer" within the meaning of Rule 144A under the Securities Act of
1933, as amended and is aware that the sale to it is being made in reliance on
Rule 144A and acknowledges that it has received such information regarding the
Company as the undersigned has requested pursuant to Rule 144A or has determined
not to request such information and that it is aware that the transferor is
relying upon the undersigned's foregoing representations in order to claim the
exemption from registration provided by Rule 144A.

Dated: __________________                    ________________________________
                                              NOTICE: To be executed by
                                                      an executive officer




                                      A-13

 
                      [OPTION OF HOLDER TO ELECT PURCHASE]


                  If you want to elect to have this Note purchased by the
Company pursuant to Section 4.15 or Section 4.16 of the Indenture, check the
appropriate box:

                  Section 4.15 [     ]
                  Section 4.16 [     ]

                  If you want to elect to have only part of this Note purchased
by the Company pursuant to Section 4.15 or Section 4.16 of the Indenture, state
the amount you elect to have purchased:


$-------------------


Dated: _________________                     _________________________________
                                               NOTICE: The signature on this
                                               assignment must correspond with
                                               the name as it appears upon the
                                               face of the within Note in every
                                               particular without alteration or
                                               enlargement or any change
                                               whatsoever and be guaranteed.


Signature Guarantee:_______________________________



                                      A-14

 
                                                                    EXHIBIT B

                                                         CUSIP No.:___________

                                ACQUISITION CORP.
                 12% SENIOR SUBORDINATED NOTE DUE 2008, SERIES B

No._________________                                                $_________

                  ACQUISITION CORP., a Delaware corporation (the "Company,"
which term includes any successor entities), for value received promises to pay
to or registered assigns the principal sum of
        Dollars on January 15, 2008.

                  Interest Payment Dates: July 15 and January 15, commencing
July 15, 1998

                  Record Dates: July 1 and January 1

                  Reference is made to the further provisions of this Note
contained herein, which will for all purposes have the same effect as if set
forth at this place.

                  IN WITNESS WHEREOF, the Company has caused this Note to be
signed manually or by facsimile by its duly authorized officers.

                                                     ACQUISITION CORP.



                                                     By:
                                                        ----------------------
                                                        Name:
                                                        Title:


                                                     By:
                                                        ----------------------
                                                        Name:
                                                        Title:

Dated:


                                      B-1

 
Certificate of Authentication

                  This is one of the 12% Senior Subordinated Notes due 2008,
Series B, referred to in the within-mentioned Indenture.


                                                STATE STREET BANK AND TRUST 
                                                   COMPANY, as Trustee

                                                By:
                                                   ---------------------------
                                                       Authorized Signatory

Date of Authentication:


                                      B-2

 
                              (REVERSE OF SECURITY)

                 12% Senior Subordinated Note due 2008, Series B


                  Capitalized terms used and not otherwise defined herein shall
have the meanings ascribed to them in the Indenture, dated as of January 29,
1998 (the "Indenture"), and as amended from time to time, by and among Safety
Components International, Inc., a Delaware corporation (the "Company"), the
Subsidiary Guarantors named therein and State Street Bank and Trust Company, as
trustee (the "Trustee").

                  (1) Interest. The Company promises to pay interest on the
principal amount of this Note at the rate per annum shown above. Interest on the
Notes will accrue from the most recent date on which interest has been paid or,
if no interest has been paid, from January 29, 1998. The Company will pay
interest semi-annually in arrears on each Interest Payment Date, commencing July
15, 1998. Interest will be computed on the basis of a 360-day year of twelve
30-day months and, in the case of a partial month, the actual number of days
elapsed.

                  The Company shall pay interest on overdue principal and on
overdue installments of interest from time to time on demand at the rate borne
by the Notes and on overdue installments of interest (without regard to any
applicable grace periods) to the extent lawful.

                  (2) Method of Payment. The Company shall pay interest on the
Notes (except defaulted interest) to the Persons who are the registered Holders
at the close of business on the Record Date immediately preceding the Interest
Payment Date even if the Notes are cancelled on registration of transfer or
registration of exchange after such Record Date. Holders must surrender Notes to
a Paying Agent to collect principal payments. The Company shall pay principal
and premium, if any, and interest in money of the United States that at the time
of payment is legal tender for payment of public and private debts ("U.S. Legal
Tender"). However, the Company may pay principal and premium, if any, and
interest by check payable in such U.S. Legal Tender. The Company may deliver any
such interest payment to the Paying Agent or to a Holder at the Holder's
registered address.

                  (3) Paying Agent and Registrar. Initially, the Trustee will
act as Paying Agent and Registrar. The Company may change any Paying Agent,
Registrar or co-Registrar without notice to the Holders.

                  (4) Indenture. The Company issued the Notes under the
Indenture. This Note is one of a duly authorized issue of Exchange Notes of the
Company designated as its 12% Senior Subordinated Notes due 2008, Series B (the
"Unrestricted Notes"), limited (except as otherwise provided in the Inden-


                                      B-3

 
ture) in aggregate principal amount to $150,000,000, which may be issued under
the Indenture. The Notes include the 12% Senior Subordinated Notes due 2008,
Series A (the "Initial Notes"), the Private Exchange Notes, and the Unrestricted
Notes, issued in exchange for the Initial Notes pursuant to the Registration
Rights Agreement. The Initial Notes, the Private Exchange Notes and the
Unrestricted Notes are treated as a single class of securities under the
Indenture. The terms of the Notes include those stated in the Indenture and
those made part of the Indenture by reference to the Trust Indenture Act of 1939
(15 U.S. Code ss.ss. 77aaa-77bbbb) (the "TIA"), as in effect on the date of the
Indenture. Notwithstanding anything to the contrary herein, the Notes are
subject to all such terms, and Holders of Notes are referred to the Indenture
and the TIA for a statement of such terms. The Notes are general unsecured
obligations of the Company. Payment on each Note is guaranteed on a senior basis
by the Subsidiary Guarantors pursuant to Article 12 of the Indenture. Each
Holder, by accepting a Note, agrees to be bound by all of the terms and
provisions of the Indenture, as the same may be amended from time to time in
accordance with its terms.

                  (5) Redemption. (a) The Notes are redeemable, at the Company's
option, in whole at any time or in part from time to time, on and after January
15, 2003, upon not less than 30 nor more than 60 days' notice, at the following
Redemption Prices (expressed as percentages of the principal amount thereof) if
redeemed during the twelve-month period commencing on January 15 of the years
set forth below, plus, in each case, accrued and unpaid interest thereon, if
any, to the date of redemption:

    Year                                                  Percentage
    ----                                                  ----------
    2003...................................................106.000%
    2004...................................................104.500%
    2005...................................................103.000%
    2006...................................................101.500%
    2007 and thereafter....................................100.000%

                  (b) Notwithstanding the foregoing, at any time, or from time
to time, on or prior to January 15, 2001, the Company may, at its option,
redeem, with the net cash proceeds of one or more Public Equity Offerings, up to
35% of the aggregate principal amount of the Notes originally issued at a
redemption price equal to 112.0% of the principal amount thereof, plus accrued
interest thereon, if any, to the date of redemption; provided, that at least 65%
of the aggregate principal amount of the Notes originally issued remain
outstanding immediately following such redemption. In order to effect the
foregoing redemption with the proceeds of any Public Equity Offering, the
Company shall make such redemption not more than 60 days after the consummation
of any such Public Equity Offering.


                                      B-4

 
                  (c) Optional Redemption Prior to Consummation of the Merger.
Upon termination of the Merger Agreement, or upon the Company's reasonable
determination that the Merger cannot or will not be consummated by October 29,
1998, the Company, at its option, may redeem the Notes in whole at any time
prior to October 29, 1998, upon not less than 10 nor more than 60 days' notice
(but in no event after October 29, 1998), at a redemption price of 102.5% of the
principal amount thereof, plus accrued and unpaid interest to the date of
redemption.

                  (d) Mandatory Redemption if Merger not Consummated. In the
event that the merger is not consummated on or before October 29, 1998, the
Company shall immediately redeem the Notes in whole at a Redemption Price equal
to 102.5% of the principal amount of the Notes, plus accrued and unpaid interest
to the Redemption Date.

                  (6) Notice of Redemption. Notice of redemption will be mailed
at least 30 days (or, prior to consummation of the Merger, at least 10 days) but
not more than 60 days before the Redemption Date to each Holder of Notes to be
redeemed at its registered address. Notes in denominations larger than $1,000
may be redeemed in part.

                  Except as set forth in the Indenture, if monies for the
redemption of the Notes called for redemption shall have been deposited with the
Paying Agent for redemption on such Redemption Date, then, unless the Company
defaults in the payment of such Redemption Price plus accrued interest, if any,
the Notes called for redemption will cease to bear interest from and after such
Redemption Date and the only right of the Holders of such Notes will be to
receive payment of the Redemption Price plus accrued interest, if any.

                  (7) Offers to Purchase. Sections 4.15 and 4.16 of the
Indenture provide that, after certain Asset Sales and upon the occurrence of a
Change of Control, and subject to further limitations contained therein, the
Company will make an offer to purchase certain amounts of the Notes in
accordance with the procedures set forth in the Indenture.

                  (8) Denominations; Transfer; Exchange. The Notes are in
registered form, without coupons, and (except Notes issued as payment of
Interest) in denominations of $1,000 and integral multiples of $1,000. A Holder
shall register the transfer of or exchange of Notes in accordance with the
Indenture. The Registrar may require a Holder, among other things, to furnish
appropriate endorsements and transfer documents and to pay certain transfer
taxes or similar governmental charges payable in connection therewith required
by law or as permitted by the Indenture. The Registrar need not register the
transfer of or exchange of any Notes or portions thereof selected for
redemption, except for the unredeemed portion of any Note being redeemed in
part.


                                      B-5

 
                  (9) Persons Deemed Owners. The registered Holder of a Note
shall be treated as the owner of it for all purposes.

                  (10) Unclaimed Money. If money for the payment of principal or
interest remains unclaimed for one year, the Trustee and the Paying Agent will
pay the money back to the Company. After that, all liability of the Trustee and
such Paying Agent with respect to such money shall cease.

                  (11) Discharge Prior to Redemption or Maturity. If the Company
at any time deposits with the Trustee U.S. Legal Tender or U.S. Government
Obligations sufficient to pay the principal of and interest on the Notes to
redemption or maturity and complies with the other provisions of the Indenture
relating thereto, the Company will be discharged from certain provisions of the
Indenture and the Notes (including certain covenants, including, under certain
circumstances, their obligation to pay the principal of and interest on the
Notes but without affecting the rights of the Holders to receive such amounts
from such deposit).

                  (12) Amendment; Supplement; Waiver. Subject to certain
exceptions set forth in the Indenture, the Indenture or the Notes may be amended
or supplemented with the written consent of the Holders of not less than a
majority in aggregate principal amount of the Notes then outstanding, and any
past Default or Event of Default or noncompliance with any provision may be
waived with the written consent of the Holders of not less than a majority in
aggregate principal amount of the Notes then outstanding. Without notice to or
consent of any Holder, the parties thereto may amend or supplement the Indenture
or the Notes to, among other things, cure any ambiguity, defect or
inconsistency, provide for uncertificated Notes in addition to or in place of
certificated Notes, comply with any requirements of the Commission in order to
effect or maintain the qualification of the Indenture under the TIA or comply
with Section 5.01 of the Indenture or make any other change that does not
adversely affect the rights of any Holder of a Note in any material respect.

                  (13) Restrictive Covenants. The Indenture imposes certain
limitations on the ability of the Company and the Subsidiaries to, among other
things, incur additional Indebtedness, make payments in respect of its Capital
Stock or certain Indebtedness, make certain Investments, create or incur liens,
enter into transactions with Affiliates, create dividend or other payment
restrictions affecting Restricted Subsidiaries, issue Preferred Stock of its
Subsidiaries, and on the ability of the Company to merge or consolidate with any
other Person or sell, assign, transfer, lease, convey or otherwise dispose of
all or substantially all of the Company's and its Subsidiaries' assets or adopt
a plan of liquidation. Such limitations are subject to a number of important
qualifications and exceptions. Pursuant to Section 4.06 of the Indenture, the
Company must an-


                                      B-6

 
nually report to the Trustee on compliance with such limitations.

                  (14) Subordination. Upon effectiveness of the Merger (as
defined in the Indenture), the Notes are subordinated in right of payment, in
the manner and to the extent set forth in the Indenture, to the prior payment in
full in cash or Cash Equivalents of all Obligations on Senior Indebtedness of
the Company, whether outstanding on the date of the Indenture or thereafter
created, incurred, assumed or guaranteed. Each Holder by its acceptance hereof
agrees to be bound by such provisions and authorizes and expressly directs the
Trustee, on its behalf, to take such action as may be necessary or appropriate
to effectuate the subordination provided for in the Indenture and appoints the
Trustee its attorney-in-fact for such purposes.

                  (15) Successors. When a successor assumes, in accordance with
the Indenture, all the obligations of its predecessor under the Notes and the
Indenture, the predecessor, subject to certain exceptions, will be released from
those obligations.

                  (16) Defaults and Remedies. Except as set forth in the
Indenture, if an Event of Default occurs and is continuing, the Trustee or the
Holders of not less than 25% in principal amount of Notes then outstanding may
declare all the Notes to be due and payable in the manner, at the time and with
the effect provided in the Indenture. Holders of Notes may not enforce the
Indenture or the Notes except as provided in the Indenture. The Trustee is not
obligated to enforce the Indenture or the Notes unless it has received indemnity
reasonably satisfactory to it. The Indenture permits, subject to certain
limitations therein provided, Holders of a majority in aggregate principal
amount of the Notes then outstanding to direct the Trustee in its exercise of
any trust or power. The Trustee may withhold from Holders of Notes notice of any
continuing Default or Event of Default (except a Default in payment of principal
or interest when due, for any reason or a Default in compliance with Article
Five of the Indenture) if it determines that withholding notice is in their
interest.

                  (17) Trustee Dealings with the Company. The Trustee under the
Indenture, in its individual or any other capacity, may become the owner or
pledgee of Notes and may otherwise deal with the Company, its Subsidiaries or
their respective Affiliates as if it were not the Trustee.

                  (18) No Recourse Against Others. No partner, director,
officer, employee or stockholder, as such, of the Company or any Subsidiary
Guarantor, as such, shall have any liability for any obligations of the Company
or any Subsidiary Guarantor under the Notes, the Indenture, the Guarantees or
the Registration Rights Agreement or for any claim based on, in respect of, or
by reason of, such obligations or their creation.


                                      B-7

 
Each Holder of Notes by accepting a Note waives and releases all such liability.
The waiver and release are part of the consideration for the issuance of the
Notes.

                  (19) Guarantees. This Note will be entitled to the benefits of
certain Guarantees, if any, made for the benefit of the Holders. Reference is
hereby made to the Indenture for a statement of the respective rights,
limitations of rights, duties and obligations thereunder of the Subsidiary
Guarantors, the Trustee and the Holders.

                  (20) Authentication. This Note shall not be valid until the
Trustee or Authenticating Agent manually signs the certificate of authentication
on this Note.

                  (21) Governing Law. This Note and the Indenture shall be
governed by and construed in accordance with the laws of the State of New York,
as applied to contracts made and performed within the State of New York, without
regard to principles of conflict of laws. Each of the parties hereto and the
Holders agree to submit to the jurisdiction of the courts of the State of New
York in any action or proceeding arising out of or relating to this Note.

                  (22) Abbreviations and Defined Terms. Customary abbreviations
may be used in the name of a Holder of a Note or an assignee, such as: TEN COM
(= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint
tenants with right of survivorship and not as tenants in common), CUST (=
Custodian), and U/G/M/A (= Uniform Gifts to Minors Act).

                  (23) CUSIP Numbers. Pursuant to a recommendation promulgated
by the Committee on Uniform Security Identification Procedures, the Company has
caused CUSIP numbers to be printed on the Notes as a convenience to the Holders
of the Notes. No representation is made as to the accuracy of such numbers as
printed on the Notes and reliance may be placed only on the other identification
numbers printed hereon.

                  The Company will furnish to any Holder of a Note upon written
request and without charge a copy of the Indenture, which has the text of this
Note. Requests may be made to: ACQUISITION CORP., c/o Weiss, Peck & Greer,
L.L.C., One New York Plaza, New York, New York 10004.


                                      B-8

 
                                 ASSIGNMENT FORM


                  If you the Holder want to assign this Note, fill in the form
below and have your signature guaranteed:

I or we assign and transfer this Note to:

______________________________________

______________________________________

______________________________________
                  (Print or type name, address and zip code and
                  social security or tax ID number of assignee)

and irrevocably appoint _______________________________________, agent to
transfer this Note on the books of the Company. The agent may substitute another
to act for him.


Dated:______________________       Signed:__________________________________
                                          (Sign exactly as your name appears
                                           on the other side of this Note)

Signature Guarantee:___________________________________

                  Signature must be guaranteed by an "eligible guarantor
institution," that is, a bank, stockbroker, savings and loan association or
credit union meeting the requirements of the Registrar, which requirements
include membership or participation in the Securities Transfer Agent Medallion
Program ("STAMP") or such other "signature guarantee program" as may be
determined by the Registrar in addition to, or in substitution for, STAMP, all
in accordance with the Securities Exchange Act of 1934, as amended.


                                      B-9

 
                      [OPTION OF HOLDER TO ELECT PURCHASE]

                  If you want to elect to have this Note purchased by the
Company pursuant to Section 4.15 or Section 4.16 of the Indenture, check the
appropriate box:

                  Section 4.15 [     ]
                  Section 4.16 [     ]

                  If you want to elect to have only part of this Note purchased
by the Company pursuant to Section 4.15 or Section 4.16 of the Indenture, state
the amount you elect to have purchased:


$_______________________


Dated: _________________                     _________________________________
                                               NOTICE: The signature on this
                                               assignment must correspond with
                                               the name as it appears upon the
                                               face of the within Note in every
                                               particular without alteration or
                                               enlargement or any change
                                               whatsoever and be guaranteed.


Signature Guarantee:__________________________________


                                      B-10

 
                                                                    EXHIBIT C


UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR SECURITIES IN
DEFINITIVE FORM, THIS SECURITY MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE
DEPOSITORY TO A NOMINEE OF THE DEPOSITORY, OR BY ANY SUCH NOMINEE OF THE
DEPOSITORY, OR BY THE DEPOSITORY OR NOMINEE OF SUCH SUCCESSOR DEPOSITORY OR ANY
SUCH NOMINEE TO A SUCCESSOR DEPOSITORY OR A NOMINEE OF SUCH SUCCESSOR
DEPOSITORY. UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE
OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), TO THE COMPANY
OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY
CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS
IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT HEREON IS
MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR
OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER
HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE, BUT
NOT IN PART, TO NOMINEES OF CEDE & CO. OR TO A SUCCESSOR THEREOF OR SUCH
SUCCESSOR'S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE
LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN
SECTION 2.17 OF THE INDENTURE.


                                      C-1

 
                                                                   EXHIBIT D


                            Form of Certificate To Be
                          Delivered in Connection with
                    Transfers to Non-QIB Accredited Investors

                                                          ---------- --, ----

New York, New York

Ladies and Gentlemen:

                  In connection with our proposed purchase of 12% Senior
Subordinated Notes due 2008 (the "Notes") of ACQUISITION CORP. (the "Company"),
we confirm that:

                  1. We understand that any subsequent transfer of the Notes is
         subject to certain restrictions and conditions set forth in the
         indenture relating to the Notes (the "Indenture") and the undersigned
         agrees to be bound by, and not to resell, pledge or otherwise transfer
         the Notes except in compliance with, such restrictions and conditions
         and the Securities Act of 1933, as amended (the "Securities Act"), and
         all applicable State securities laws.

                  2. We understand that the offer and sale of the Notes have not
         been registered under the Securities Act or any other applicable
         securities law, and that the Notes may not be offered or sold within
         the United States or to, or for the account or benefit of, U.S. persons
         except as permitted in the following sentence. We agree, on our own
         behalf and on behalf of any accounts for which we are acting as
         hereinafter stated, that if we should sell any Notes, we will do so
         only (i) to the Company or any subsidiary thereof, (ii) inside the
         United States in accordance with Rule 144A under the Securities Act to
         a person who we reasonably believe is a "qualified institutional buyer"
         (as defined in Rule 144A promulgated under the Securities Act), (iii)
         inside the United States to an institutional "accredited investor" (as
         defined below) that, prior to such transfer, furnishes (or has
         furnished on its behalf by a U.S. broker-dealer) to the Trustee (as
         defined in the Indenture) a signed letter containing certain
         representations and agreements relating to the restrictions on transfer
         of the Notes (the form of which letter can be


                                      D-1

 
         obtained from the Trustee), (iv) outside the United States in
         accordance with Rule 904 of Regulation S promulgated under the
         Securities Act, (v) pursuant to the exemption from registration
         provided by Rule 144 under the Securities Act (if available), or (vi)
         pursuant to an effective registration statement under the Securities
         Act, and we further agree to provide to any person purchasing any of
         the Notes from us a notice advising such purchaser that resales of the
         Notes are restricted as stated herein.

                  3. We understand that, on any proposed resale of any Notes, we
         will be required to furnish to the Trustee, the Company such
         certification, legal opinions and other information as the Trustee and
         the Company may reasonably require to confirm that the proposed sale
         complies with the foregoing restrictions. We further understand that
         the Notes purchased by us will bear a legend to the foregoing effect.

                  4. We are an institutional "accredited investor" (as defined
         in Rule 501(a)(1), (2), (3) or (7) of Regulation D under the Securities
         Act) and have such knowledge and experience in financial and business
         matters as to be capable of evaluating the merits and risks of our
         investment in the Notes, and we and any accounts for which we are
         acting are each able to bear the economic risk of our or their
         investment, as the case may be.

                  5. We are acquiring the Notes purchased by us for our account
         or for one or more accounts (each of which is an institutional
         "accredited investor") as to each of which we exercise sole investment
         discretion.

                  6. We have received a copy of the Company's Offering
         Memorandum dated January 22, 1998 and acknowledge that we have had
         access to such financial and other information, and have been afforded
         the opportunity to ask such questions of representatives of the Company
         and receive answers thereto, as we deem necessary in connection with
         our decision to purchase the Notes.


                                      D-2

 
                  You, the Company, the Trustee, the Initial Purchaser and
others are entitled to rely upon this letter and are irrevocably authorized to
produce this letter or a copy hereof to any interested party in any
administrative or legal proceeding or official inquiry with respect to the
matters covered hereby.

                                                     Very truly yours,

                                                     [Name of Transferee]


                                                      By:
                                                         ---------------------
                                                         Name:
                                                         Title:


                                      D-3

 
                                                                   EXHIBIT E

                       Form of Certificate To Be Delivered
                          in Connection with Transfers
                            Pursuant to Regulation S

                                                         ---------- --, ----


New York, New York

         Re:      ACQUISITION CORP. (the "Company")
                  12% Senior Subordinated Notes due 2008
                  (the "Notes")

Ladies and Gentlemen:

                  In connection with our proposed sale of $__________ aggregate
principal amount of the Notes, we confirm that such sale has been effected
pursuant to and in accordance with Regulation S under the U.S. Securities Act of
1933, as amended (the "Securities Act"), and, accordingly, we represent that:

                  (1) the offer of the Notes was not made to a person in the
         United States;

                  (2) either (a) at the time the buy offer was originated, the
         transferee was outside the United States or we and any person acting on
         our behalf reasonably believed that the transferee was outside the
         United States, or (b) the transaction was executed in, on or through
         the facilities of a designated offshore securities market and neither
         we nor any person acting on our behalf knows that the transaction has
         been prearranged with a buyer in the United States;

                  (3) no directed selling efforts have been made in the United
         States in contravention of the requirements of Rule 903(b) or Rule
         904(b) of Regulation S, as applicable;

                  (4) the transaction is not part of a plan or scheme to evade
         the registration requirements of the Securities Act; and

                  (5) we have advised the transferee of the transfer
         restrictions applicable to the Notes.


                                      E-1

 
                  You, the Company and counsel for the Company are entitled to
rely upon this letter and are irrevocably authorized to produce this letter or a
copy hereof to any interested party in any administrative or legal proceedings
or official inquiry with respect to the matters covered hereby. Terms used in
this certificate have the meanings set forth in Regulation S.

                                                     Very truly yours,

                                                     [Name of Transferee]


                                                      By:
                                                         ---------------------
                                                          Authorized Signature





                                      E-2

 
                                                                   EXHIBIT F

                                    GUARANTEE

                  For value received, the undersigned hereby unconditionally
guarantees, as principal obligor and not only as a surety, to the Holder of this
Note the cash payments in United States dollars of principal of, premium, if
any, and interest on this Note (and including Additional Interest payable
thereon) in the amounts and at the times when due and interest on the overdue
principal, premium, if any, and interest, if any, of this Note, if lawful, and
the payment or performance of all other obligations of the Company under the
Indenture or the Notes, to the Holder of this Note and the Trustee, all in
accordance with and subject to the terms and limitations of this Note, Article
Twelve of the Indenture and this Guarantee. This Guarantee will become effective
in accordance with Article Twelve of the Indenture and its terms shall be
evidenced therein. This Guarantee will be subordinated to Guarantor Senior
Indebtedness, as defined in the Indenture, and in accordance with Article
Thirteen thereof. The validity and enforceability of any Guarantee shall not be
affected by the fact that it is not affixed to any particular Note.

                  Capitalized terms used but not defined herein shall have the
meanings ascribed to them in the Indenture dated as of January 29, 1998, among
Acquisition corp., a Delaware corporation, the Subsidiary Guarantors named
therein and State Street Bank and Trust Company, as trustee (the "Trustee"), as
amended or supplemented (the "Indenture").

                  The obligations of the undersigned to the Holders of Notes and
to the Trustee pursuant to this Guarantee and the Indenture are expressly set
forth in Article Twelve of the Indenture and reference is hereby made to the
Indenture for the precise terms of the Guarantee and all of the other provisions
of the Indenture to which this Guarantee relates.

                  THIS GUARANTEE SHALL BE GOVERNED BY, AND CONSTRUED IN
ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK WITHOUT GIVING EFFECT TO
PRINCIPLES OF CONFLICTS OF LAW. Each Subsidiary Guarantor hereby agrees to
submit to the jurisdiction of the courts of the State of New York in any action
or proceeding arising out of or relating to this Guarantee.

                  This Guarantee is subject to release upon the terms set forth
in the Indenture.


                                      F-1

 
                  IN WITNESS WHEREOF, each Subsidiary Guarantor has caused its
Guarantee to be duly executed.


Date:  ____________________


                                              [NAME OF SUBSIDIARY GUARANTOR],
                                                     as Guarantor


                                                By:
                                                   ---------------------------
                                                   Name:
                                                   Title:




                                      F-2