DEFERRAL AND FORBEARANCE AGREEMENT DEFERRAL AND FORBEARANCE AGREEMENT (this "AGREEMENT"), dated as of April 7, 2000, to the Amended and Restated Credit Agreement, dated as of April 3, 1998 (as amended, supplemented or otherwise modified prior to the date hereof, the "CREDIT AGREEMENT"), among SAFETY-KLEEN SERVICES, INC. (formerly known as LES, Inc.), a Delaware corporation (the "Company"), SAFETY-KLEEN LTD. (successor to Safety-Kleen (Canada) Ltd., which was formerly known as Laidlaw Environmental Services (Canada) Ltd.), a Canadian corporation and a wholly owned subsidiary of the Company (together with the Company, the "BORROWERS"), the several banks and other financial institutions or entities from time to time parties thereto (the "LENDERS"), TORONTO DOMINION (TEXAS), INC., as general administrative agent (in such capacity, the "GENERAL ADMINISTRATIVE AGENT "), THE TORONTO-DOMINION BANK, as Canadian administrative agent, TD SECURITIES (USA) INC., as advisor to the Borrowers and arranger of the commitments described in the Credit Agreement, THE BANK OF NOVA SCOTIA, BANK OF AMERICA (formerly known as Nationsbank, N.A.), THE FIRST NATIONAL BANK OF CHICAGO and WACHOVIA BANK, N.A., as managing agents, THE BANK OF NOVA SCOTIA and THE FIRST NATIONAL BANK OF CHICAGO, as co-documentation agent, and BANK OF AMERICA (formerly known as Nationsbank, N.A.), as syndication agent. W I T N E S S E T H : - - - - - - - - - - WHEREAS, Events of Default have occurred and are continuing under the Credit Agreement; WHEREAS, the Borrowers are presently experiencing difficulty maintaining sufficient cash balances to meet the ongoing expenses of operations and required capital expenditures; WHEREAS, to assist the Borrowers in meeting such expenses, the Borrowers have requested that the Administrative Agents and the Lenders agree to defer certain interest payments under the Credit Agreement and to forbear from exercising collection rights and remedies on account of the failure to make such payments; and WHEREAS, the Administrative Agents and the Lenders have agreed to such deferral only upon the terms and subject to the conditions set forth herein; NOW, THEREFORE, in consideration of the premises and the mutual covenants contained herein and in the Credit Agreement, the parties hereto hereby agree as follows: 093110-0154-08133-A046AF7N-AMD 2 1. DEFINED TERMS. Unless otherwise defined herein, all capitalized terms used herein shall have the meanings given to them in the Credit Agreement. 2. DEFERRAL OF TIME FOR PAYMENT OF INTEREST. Subject to the conditions to effectiveness herein, each Lender agrees and each of the Administrative Agents agrees that during the period (the "Deferral Period") commencing on the date hereof and ending on the earlier of (i) May 30, 2000 or (ii) the date on which the Deferral Period terminates in accordance with the terms hereof upon the occurrence of a Termination Event (the "Termination Date"), such Lender and such Administrative Agent will extend until the Termination Date the date for payment to such Lender or Administrative Agent of any interest that has come due on or before the date hereof, and any interest that would have become due in accordance with the terms of the Credit Agreement but for giving effect to this Agreement. 3. FORBEARANCE. Subject to the conditions to effectiveness herein, the Administrative Agents and the Lenders signatory hereto agree to forbear, during the Deferral Period, from the exercise of any collection rights or remedies under the Credit Agreement, the Notes and the other Loan Documents (including, without limitation, the right to accelerate the Obligations) in respect of Defaults or Events of Default arising as a result of the failure to pay interest that has come due on or before the date hereof, or that would have become due in accordance with the terms of the Credit Agreement but for giving effect to this Agreement. 4. TERMINATION EVENTS. Notwithstanding anything contained herein to the contrary, upon (i) the occurrence of any Default or Event of Default not specifically enumerated in Schedule 1 hereto, other than the failure during the Deferral Period to observe or perform the covenants contained in Sections 9.1, 9.2 and 10.1 of the Credit Agreement and other than any Default or Event of Default arising from the failure to pay interest during the Deferral Period on the 9-1/4% Senior Notes due 2009 of Holdings; (ii) the payment by any Loan Party of principal, interest or other amounts in respect of Indebtedness other than (x) Indebtedness under the Credit Agreement and (y) the repayment of up to $10,300,000 in principal amount of Indebtedness, plus accrued interest, fees and expenses thereon, secured by Liens on the real property of the Company (or a Subsidiary of the Company) located in Elgin, Illinois upon the receipt by the Company of the proceeds of the sale of such property; (iii) the payment of any funds as a dividend, loan or otherwise by any Loan Party to Holdings the proceeds of which are to be used for of principal, interest or other amounts in respect of Indebtedness; (iv) the failure of any Loan Party to comply with any of the terms hereof, including without limitation the agreements contained in Section 5; 3 (v) any representation or warranty herein shall be untrue or incorrect in any material respect; (vi) any holder or trustee for such holder or holders of Indebtedness in excess of $25,000,000 shall accelerate such Indebtedness or institute legal proceedings to collect or enforce such Indebtedness; or (vii) the payment by any Loan Party of more than $1,000,000 in settlement or satisfaction of any litigation without the consent of the General Administrative Agent; (any such event, a "Termination Event") then and in such event (a) the Deferral Period shall terminate immediately and without further notice or action by any Administrative Agent or Lender, (b) all interest which was due and payable as of the date hereof and all interest that would have become due and payable but for the Deferral Period shall be immediately due and payable, without further grace period and (c) each Administrative Agent and Lender may exercise all rights and remedies available to it under the Loan Documents in respect of nonpayment of such interest, provided that any Termination Event may be waived and rescinded by the Required Lenders, which waiver and rescission shall be binding on all Lenders and Administrative Agents. 5. COVENANTS. (a) No later than April 21, 2000, the Loan Parties shall deliver to the General Administrative Agent an opinion of counsel to the Loan Parties, in form and substance satisfactory to the General Administrative Agent and its counsel, covering the matters set forth in Sections 6(a) through 6(c) hereof. (b) During the Deferral Period, each Loan Party shall (i) cooperate with and assist the General Administrative Agent in connection with its investigation as to such Loan Party's financial condition, including providing its advisors with all requested nonprivileged information and access to all books and records, (ii) not open or maintain any bank or brokerage accounts except those in existence as of the date hereof, which shall be enumerated in a list to be delivered to the General Administrative Agent on or before April 17,2000, and (iii) manage its business to conserve cash to the greatest extent practicable, consistent with Requirements of Law and subject to its officers' and directors' good faith business judgment. (c) If the Loan Parties reasonably determine at any time or from time to time during the Deferral Period that they have funds available in addition to those necessary to meet their operating needs during the Deferral Period, consistent with their obligations under Section 5(b)(iii) hereof, they will promptly pay such additional funds to the Lenders on account of the interest being deferred hereunder. 4 (d) From and including the date each interest payment would have been due but for this Agreement, until paid in full (as well after as before judgment), such interest payment shall bear interest at the rate which is 2% above the rate applicable under the Credit Agreement to Base Rate Loans. (e) On April 14, 2000, in addition to the amounts required under Section 7(iii) hereof, the Company shall pay to the General Administrative Agent $500,000 to be applied against the invoiced fees and expenses from time to time of the legal, financial and other advisors to the General Administrative Agent and the informal steering committee of Lenders, which payment shall be nonrefundable. No later than the last Business Day of each of the next six weeks during the Deferral Period, commencing the week ended April 21, 2000, the Company shall pay to the General Administrative Agent $250,000 to be applied against the invoiced fees and expenses from time to time of the legal, financial and other advisors to the General Administrative Agent and the informal steering committee of Lenders, which payment shall be nonrefundable. 6. REPRESENTATIONS AND WARRANTIES. Each Loan Party represents and warrants to the General Administrative Agent and the Lenders as follows: (a) EXISTENCE; COMPLIANCE WITH LAW. Each Loan Party (i) is duly organized, validly existing and in good standing under the laws of the jurisdiction of its organization, except where the failure to be in good standing would not have a Material Adverse Effect, (ii) has the power and authority, and the legal right, to own and operate its property, to lease the property it operates as lessee and to conduct the business in which it is currently engaged and (iii) is duly qualified as a foreign corporation and in good standing under the laws of each jurisdiction where its ownership, lease or operation of property or the conduct of its business requires such qualification, except where the failure to be so qualified or in good standing would not have a Material Adverse Effect. (b) CORPORATE POWER; AUTHORIZATION; ENFORCEABLE OBLIGATIONS. Each Loan Party has the power and authority, and the legal right, to make, deliver and perform this Agreement. Each Loan Party has taken all necessary organizational action to authorize the execution, delivery and performance of this Agreement. No consent or authorization of, filing with, notice to or other act by or in respect of, any Governmental Authority or any other Person is required in connection with the execution, delivery, performance, validity or enforceability of this Agreement This Agreement has been duly executed by each Loan Party and constitutes, a legal, valid and binding obligation of each Loan Party, enforceable against such Loan Party in accordance with its terms, except as enforceability may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws affecting the enforcement of creditors' rights generally and by general equitable principles (whether enforcement is sought by proceedings in equity or at law). (c) NO LEGAL BAR. The execution, delivery and performance of this Agreement will not violate any Requirement of Law or any Contractual Obligation of the Company or any of its Subsidiaries and will not result in, or require, the creation or imposition of any Lien on any of their respective properties or revenues pursuant to any Requirement of Law or any such Contractual Obligation. 5 (d) VALID DEBTS AND LIENS. Each Loan Party is truly and justly indebted in accordance with the terms of the Loan Documents to the Lenders, without defense, counterclaim or offset of any kind, in respect of the Loans and other Extensions of Credit made by the Lenders to the Borrowers pursuant to the Credit Agreement and the guarantees executed and delivered in respect of the Loans and other Extensions of Credit and (ii) the Loans and Extensions of Credit are secured by valid, perfected, enforceable, first-priority (subject to Permitted Liens) liens and security interests granted by the applicable Loan Parties to the General Administrative Agent, for the ratable benefit of the Lenders, upon and in the Collateral. (e) NO OTHER DEFAULTS. As of the date hereof, after giving effect to the provisions hereof, there are no Defaults or Events of Default that have occurred and are continuing, except as listed on Schedule 1 hereto. 7. CONDITIONS TO EFFECTIVENESS. This Agreement shall become effective as of the date first above written when (i) each of the General Administrative Agent, the Borrowers, the Required Lenders (in the case of all provisions other than Section 2) and each Lender (in the case of Section 2 only) to whom interest is due prior to May 30, 2000 on account of its Loans (as reflected in the records of the General Administrative Agent) shall have executed and delivered this Agreement, (ii) each Guarantor shall have acknowledged and agreed to this Agreement, and (iii) the General Administrative Agent shall have received from the Company payment of all fees and expenses payable under the Loan Documents which shall have been invoiced to the Borrowers on or before the date hereof. 8. CONTINUING EFFECTS. Except as expressly waived or amended hereby, the Credit Agreement shall continue to be in full force and effect in accordance with its terms. 9. NO WAIVER; RESERVATION OF RIGHTS. This Deferral Agreement does not constitute a waiver of any Defaults or Events of Default in existence as of the date hereof, or which may occur during the Deferral Period. The deferral of Interest Payment Dates and forbearance by the Administrative Agents and the Lenders with respect to the nonpayment of interest during the Deferral Period shall not constitute a waiver of any other rights or remedies of the Administrative Agents and the Lenders in respect of other Defaults or Events of Default or any other obligations of the Loan Parties. All such rights and remedies are fully reserved by the Administrative Agents and the Lenders. 10. EXPENSES. The Company agrees to pay and reimburse the General Administrative Agent and the informal steering committee of Lenders for all of their respective reasonable out-of-pocket costs and expenses incurred in connection with the negotiation, preparation, execution, and delivery of this Agreement, including the reasonable fees and expenses of counsel and financial advisors. 11. COUNTERPARTS. This Agreement may be executed on any number of separate counterparts and all of said counterparts taken together shall be deemed to constitute one and the same instrument. 6 12. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAW OF THE STATE OF NEW YORK. 13. WAIVER OF JURY TRIAL. EACH OF THE BORROWERS, THE GUARANTORS, THE ADMINISTRATIVE AGENTS AND THE LENDERS IRREVOCABLY AND UNCONDITIONALLY WAIVES TRIAL BY JURY IN ANY LEGAL ACTION OR PROCEEDING RELATING TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT AND FOR ANY COUNTERCLAIM THEREIN. IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and delivered by their proper and duly authorized officers as of the day and year first above written. SAFETY-KLEEN SERVICES, INC. (formerly known as LES, Inc.) By: /s/ John G. McGregor ------------------------------ Name: John G. McGregor Title: Chief Financial Officer SAFETY-KLEEN LTD. (successor to Safety-Kleen Services (Canada) Ltd., which was formerly known as Laidlaw Environmental Services (Canada) Ltd.) By: /s/ John G. McGregor ------------------------------ Name: Title: TORONTO DOMINION (TEXAS), INC., as General Administrative Agent and Lender By: /s/ Jano Mott ------------------- Name: Jano Mott Title: Vice President THE TORONTO-DOMINION BANK, as Canadian Administrative Agent By: /s/ Wayne M. Shiplo ------------------------------ Name: Wayne M. Shiplo Title: Manager, Syndicated Loans - Agency 7 TD SECURITIES (USA) INC., as Arranger By: ------------------------------ Name: Title: THE TORONTO-DOMINION BANK, as a Lender By: /s/ Parin Kanji ------------------------------ Name: Parin Kanji Title: Assistant Manager THE BANK OF NOVA SCOTIA, as Managing Agent, Co-Documentation Agent and Lender By: /s/ D. N. Gillespie ------------------- Name: D. N. Gillespie Title: Managing Director BANK ONE, N.A. F/K/A THE FIRST NATIONAL BANK OF CHICAGO, as Managing Agent, Co-Documentation Agent and Lender By: /s/ Richard Babcock ------------------------------ Name: Richard Babcock Title: Vice President BANK OF AMERICA (formerly known as Nationsbank, N.A.), as Syndication Agent, Managing Agent and Lender By: /s/ F. A. Zagar ------------------------------ Name: F. A. Zagar Title: Managing Director WACHOVIA BANK, N.A., as Managing Agent and Lender By: /s/ Donald E. Sellers, Jr. ------------------------------ Name: Donald E. Sellers, Jr. Title: Vice President 8 THE CIT GROUP/BUSINESS CREDIT, INC. By: /s/ Mark J. Long ------------------------------ Name: Mark J. Long Title: Vice President GENERAL ELECTRIC CAPITAL CORPORATION By: /s/ Karl Kieffer ------------------------------ Name: Karl Kieffer Title: Duly Authorized Signatory COMERICA BANK By: /s/ D Persons ------------------------------ Name: Darlene Persons Title: Vice President FLEET NATIONAL BANK By: /s/ Thomas D. Opie ------------------------------ Name: Thomas D. Opie Title: VP ROYAL BANK OF CANADA By: /s/ N. G. Millar ------------------------------ Name: N. G. Millar Title: Senior Manager CREDIT INDUSTRIEL ET COMMERCIAL By: /s/ Sean Mounier ------------------------------ Name: Sean Mounier Title: First Vice President By: /s/ Brian O'Leary ------------------------------ Name: Brian O'Leary Title: Vice Presiddent 9 HSBC BANK USA (formerly Marine Midland Bank) By: /s/ Kevin J. Ayers ------------------------------ Name: Kevin J. Ayers Title: Vice President THE LONG-TERM CREDIT BANK OF JAPAN, LTD. By: ------------------------------ Name: Title: THE MITSUBISHI TRUST AND BANKING CORPORATION By: /s/ Toshihiro Hayashi ------------------------------ Name: Toshihiro Hayashi Title: Senior Vice President FLEET BUSINESS CREDIT CORPORATION (formerly Sanwa Business Credit Corporation) By: /s/ Fred N. Manning ------------------------------ Name: Fred N. Manning Title: Authorized Officer SOCIETE GENERALE By: /s/ Robert Petersen ------------------------------ Name: Robert Petersen Title: Director SOUTHERN PACIFIC BANK By: Mun Young Kim ------------------------------ Name: Mun Young Kim Title: Vice President 10 CREDIT LYONNAIS ATLANTA AGENCY By: ------------------------------ Name: Title: COOPERATIEVE CENTRALE RAIFEISEN- BOERENLEENBANK B.A., "RABOBANK NEDERLAND" NEW YORK BRANCH By: /s/ W. Jeffrey Vollack ------------------------------ Name: W. Jeffrey Vollack Title: Senior Credit Officer Senior Vice President By: /s/ Alistair B. Turnbull ------------------------------ Name: Alistair B. Turnbull Title: Vice President COMMERCIAL LOAN FUNDING TRUST I By: Lehman Commercial Paper Inc., not in its individual capacity but solely as administrative agent By: /s/ Michele Swanson ------------------------------ Name: Michele Swanson Title: Authorized Signatory CREDIT SUISSE FIRST BOSTON By: ------------------------------ Name: Title: By: ------------------------------ Name: Title: 11 THE SAKURA BANK, LTD. By: ------------------------------ Name: Title: FIRSTAR BANK, N.A. FKA STAR BANK, NATIONAL ASSOCIATION By: /s/ Mark E. Storer ------------------------------ Name: Mark E. Storer Title: Vice President BANK OF HAWAII By: /s/ Patricia Rohlfing ------------------------------ Name: Patricia Rohlfing Title: Vice President Subject to the April 12, 2000 CITIBANK, N.A. Shearman & Sterling Cover Letter By: /s/ J. Robert Cotton ------------------------------ Name: J. Robert Cotton Title: Vice President THE DAI-ICHI KANGYO BANK, LTD. By: /s/ Robert P. Gallagher Name: Robert P. Gallagher Title: Vice President SKANDINAVISKA ENSKILDA BANKEN AB (PUBL.) NY BRANCH By: ------------------------------ Name: Title: 12 THE SUMITOMO BANK, LTD By: /s/ Suresh S. Tata ------------------------------ Name: Suresh S. Tata Title: Senior Vice President THE SUMITOMO TRUST & BANKING CO., LTD., NEW YORK BRANCH By: ------------------------------ Name: Title: NATIONAL CITY BANK By: /s/ Lisa B. Lisi ------------------------------ Name: Lisa B. Lisi Title: Vice President BHF-BANK AKTIENGESELLSCHAFT By: ------------------------------ Name: Title: THE FUJI BANK, LIMITED By: /s/ John D. Doyle ------------------------------ Name: John D. Doyle Title: Vice President & Manager CAISSE DE DEPOT ET PLACEMENT DU QUEBEC By: /s/ Louis Lavoie ------------------------------ Name: Louis Lavoie Title: Manager By: /s/ Lucie Rousseau ------------------------------ Name: Lucie Rousseau Title: Vice-President 13 KZH PONDVIEW LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent WEBSTER BANK By: /s/ Paul T. Savino ------------------------------ Name: Paul T. Savino Title: Vice President BANQUE WORMS CAPITAL CORPORATION By: /s/ Michele N. (illegible) ------------------------------ Name: Michele N. (illegible) Title: Vice President & General Counsel By: /s/ Anne Edith Bodin ------------------------------ Name: Anne Edith Bodin Title: Credit Analyst IMPERIAL BANK By: /s/ R. Vadalma ------------------------------ Name: R. Vadalma Title: Senior Managing Director THE PRUDENTIAL INSURANCE COMPANY OF AMERICA By: ------------------------------ Name: Title: GPSF SECURITIES, INC. By: /s/ Anne Kennelly Kratry ------------------------------ Name: Anne Kennelly Kratry Title: Manager-Operations 14 KZH CNC LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent SUMMIT BANK By: /s/ James B. Kurdek ------------------------------ Name: James B. Kurdek Title: Senior Vice President METROPOLITAN LIFE INSURANCE COMPANY By: /s/ Jacqueline D. Jenkins ------------------------------ Name: Jacqueline D. Jenkins Title: Director FIRSTRUST BANK By: /s/ Kent Nelson ------------------------------ Name: Kent Nelson Title: VP BANCO ESPIRITO SANTO By: /s/ Andrew M. Orsen ------------------------------ Name: Andrew M. Orsen Title: Vice President By: /s/ Terry R. Hull ------------------------------ Name: Terry R. Hull Title: Senior Vice President THE CITY NATIONAL BANK By: /s/ C. R. Heatherly ------------------- Name: C. R. Heatherly Title: Vice President 15 VAN KAMPEN PRIME RATE INCOME TRUST By: Van Kampen Investment Advisory Corp. By: /s/ Douglas J. Smith ------------------------------ Name: Douglas J. Smith Title: Vice President OAK HILL SECURITIES FUND, L.P. By: OAK HILL SECURITIES GENPAR, L.P., its General Partner By: OAK HILL SECURITIES MGP, INC., its General Partner By: ------------------------------ Name: Title: VAN KAMPEN CLO II, LIMITED By: VAN KAMPEN MANAGEMENT INC., as Collateral Manager By: /s/ Douglas J. Smith ------------------------------ Name: Douglas J. Smith Title: Vice President SENIOR DEBT PORTFOLIO By: BOSTON MANAGEMENT AND RESEARCH, as Investment Advisor By: /s/ Payson F. Swaffield ------------------------------ Name: Payson F. Swaffield Title: Vice President 16 VAN KAMPEN CLO I, LIMITED BY: VAN KAMPEN MANAGEMENT INC., as Collateral Manager By: /s/ Douglas J. Smith ------------------------------ Name: Douglas J. Smith Title: Vice President OCTAGON INVESTMENT PARTNERS II, LLC By: Octagon Credit Investors, LLC As sub-investment manager By: /s/ Michael B. Nechamkin ------------------------------ Name: Michael B. Nechamkin Title: Portfolio Manager OCTAGON INVESTMENT PARTNERS III, LLC By: Octagon Credit Investors, LLC as Portfolio Manager By: /s/ Michael B. Nechamkin ------------------------------ Name: Michael B. Nechamkin Title: Portfolio Manager FRANKLIN FLOATING RATE TRUST By: ------------------------------ Name: Title: AG CAPITAL FUNDING PARTNERS, L.P. By: ANGELO, GORDON & CO., L.P., as Investment Advisor By: ------------------------------ Name: Title: 17 FIRST DOMINION FUNDING I By: /s/ Andrew H. Marshak ------------------------------ Name: Andrew H. Marshak Title: Authorized Signatory JACKSON NATIONAL LIFE INSURANCE COMPANY By: PPM AMERICA, INC., as attorney in fact on behalf of Jackson National Life Insurance Company By: /s/ John Walding ------------------------------ Name: John Walding Title: Managing Director ELC (CAYMAN) LTD. By: /s/ Joseph H. Towell ------------------------------ Name: Joseph H. Towell Title: Senior Vice President AMERICAN GENERAL ANNUITY INSURANCE COMPANY, formerly WESTERN NATIONAL LIFE INSURANCE COMPANY By: /s/ C. Scott Hollis ------------------------------ Name: C. Scott Hollis Title: Investment Officer KZH CRESCENT LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent KZH CRESCENT-2 LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent 18 CRESCENT/MACH I PARTNERS, L.P. By: TCW ASSET MANAGEMENT COMPANY, as its Investment Manager By: /s/ Mark L. Gold ------------------------------ Name: Mark L. Gold Title: Managing Director PAM CAPITAL FUNDING LP By: HIGHLAND CAPITAL MANAGEMENT, L.P., as Collateral Manager By: ------------------------------ Name: Title: KZH CYPRESSTREE-1 LLC By: /s/ Peter Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent PAMCO CAYMAN LTD. By: HIGHLAND CAPITAL MANAGEMENT, L.P., as Collateral Manager By: ------------------------------ Name: Title: ARCHIMEDES FUNDING, LLC By: ING CAPITAL ADVISORS, INC. as Collateral Manager By: /s/ Kurt Wegleitner ------------------------------ Name: Kurt Wegleitner Title: Vice President & Portfolio Manager 19 ING HIGH INCOME PRINCIPAL PRESERVATION FUND HOLDINGS, LDC By: ING CAPITAL ADVISORS, INC., as Investment Advisor By: /s/ Kurt Wegleitner Name: Kurt Wegleitner Title: Vice President & Portfolio Manager KZH SHOSHONE LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent KZH ING-1 LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent PACIFICA PARTNERS I, L.P. By: IMPERIAL CREDIT ASSET MANAGEMENT, as its Investment Manager By: /s/ Tom Colwell ------------------------------ Name: Tom Colwell Title: VP KZH RIVERSIDE LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent 20 PILGRIM AMERICAN HIGH INCOME INVESTMENTS LTD. By: PILGRIM INVESTMENTS, INC., as its Investment Manager By: /s/ Michel Prince ------------------------------ Name: Michel Prince, CFA Title: Vice President KZH ING-2 LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent INDOSUEZ CAPITAL FUNDING IIA, LIMITED BY: INDOSUEZ CAPITAL LUXEMBOURG, as Collateral Manager By: /s/ Melissa Marano ------------------------------ Name: Melissa Marano Title: Vice President DELANO COMPANY By: PACIFIC INVESTMENT MANAGEMENT COMPANY, as its Investment Advisor By: PIMCO MANAGEMENT INC., a General Partner By: ------------------------------ Name: Title: KZH CRESCENT-3 LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent 21 BALANCED HIGH-YIELD FUND I LTD. By: BHF-BANK AKTIENGESELLSCHAFT acting through its New York Branch, as its attorney-in-fact By: ------------------------------ Name: Title: STATE STREET BANK AND TRUST COMPANY, as Trustee for GENERAL MOTORS EMPLOYEES GLOBAL GROUP PENSION TRUST By: /s/ Adam Antonik ------------------------------ Name: Adam Antonik Title: Assistant Secretary INDOSUEZ CAPITAL FUNDING III, LIMITED By: Indosuez Capital as Portfolio Advisor By: /s/ Melissa Marano ------------------------------ Name: Melissa Marano Title: Vice President KZH SOLEIL LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent ML CLO XII PILGRIM AMERICA (CAYMAN) LTD. By: PILGRIM INVESTMENTS, INC., as its Investment Manager By: /s/ Michel Prince ------------------------------ Name: Michel Prince, CFA Title: Vice President 22 MLCLO XV PILGRIM AMERICA (CAYMAN) LTD. By: PILGRIM INVESTMENTS, INC., as its Investment Manager By: /s/ Michel Prince ------------------------------ Name: Michel Prince, CFA Title: Vice President MOUNTAIN CAPITAL CLO I LTD. By: /s/ Darren P. Riley ------------------------------ Name: Darren P. Riley Title: Director CERES FINANCE LTD. By: INVESCO Senior Secured Management, Inc., as Sub-Managing Agent By: /s/ Gregory Stoeckle ------------------------------ Name: Gregory Stoeckle Title: Authorized Signatory OASIS COLLATERALIZED HIGH INCOME PORTFOLIO I LTD By: INVESCO Senior Secured Management, Inc., as Sub-Advisor By: /s/ Gregory Stoeckle ------------------------------ Name: Gregory Stoeckle Title: Authorized Signatory BALANCED HIGH-YIELD FUND II LTD. By: BHF-BANK AKTIENGESELLSCHAFT acting through its New York Branch, as its attorney-in-fact By: ------------------------------ Name: Title: 23 CAPTIVA III FINANCE, LTD. as advised by, PACIFIC INVESTMENT MANAGAGEMENT COMPANY By: ------------------------------ Name: Title: EATON VANCE SENIOR INCOME TRUST By: EATON VANCE MANAGEMENT, as Investment Advisor By: ------------------------------ Name: Title: BLACK DIAMOND CLO 1998-1 LTD By: /s/ John H. Cullinane ------------------------------ Name: John H. Cullinane Title: Director KZH LANGDALE LLC By: /s/ Peter Chin ------------------------------ Name: Peter Chin Title: Authorized Agent ARCHIMEDES FUNDING II, LTD. BY: ING CAPITAL ADVISORS, INC., as Collateral Manager By: /s/ Kurt Wegleitner ------------------------------ Name: Kurt Wegleitner Title: Vice President & Porfolio Manager 24 ALLIANCE CAPITAL FUNDING, L.L.C. By: ALLIANCE CAPITAL MANAGEMENT L.P., as Manager on behalf of ALLIANCE CAPITAL FUNDING, L.L.L. By: ALLIANCE CAPITAL MANAGEMENT CORPORATION, General Partner of Alliance Capital Management, L.P. By: /s/ Katalin E. Kutasi ------------------------------ Name: Katalin E. Kutasi Title: Senior Vice President BATTERSON PARK CBO I By: /s/ Chip Clark ------------------------------ Name: Chip Clark Title: V.P., Gen Re-New England Asset Management as Collateral Manager for Battersen Park CBO ATHENA CDO, LTD. By: Pacific Investment Management Company as its investment advisor By: PIMCO Management Inc., a general partner By: ------------------------------ Name: Title: CAPTIVA II FINANCE LTD. By: /s/ David Dyer ------------------------------ Name: David Dyer Title: Director 25 STRATA FUNDING LTD. By: INVESCO Senior Secured Management, Inc., as Sub-Managing Agent By: /s/ Gregory Stoeckle ------------------------------ Name: Gregory Stoeckle Title: Authorized Signatory ALLIANCE CAPITAL FUNDING, L.L.C. By: ALLIANCE CAPITAL MANAGEMENT L.P., as Manager on behalf of ALLIANCE CAPITAL FUNDING, L.L.L. By: ALLIANCE CAPITAL MANAGEMENT CORPORATION, General Partner of Alliance Capital Management, L.P. By: ------------------------------ Name: Title: AVALON CAPITAL LTD. By: INVESCO Senior Secured Management, Inc., as Portfolio Advisor By: /s/ Gregory Stoeckle ------------------------------ Name: Gregory Stoeckle Title: Authorized Signatory VAN KAMPEN SENIOR FLOATING RATE FUND By: Van Kampen Investment Advisory Corp. By: /s/ Douglas J. Smith ------------------------------ Name: Douglas J. Smith Title: Vice President 26 CONTINENTAL ASSURANCE COMPANY SEPARATE ACCOUNT (E) By: TCW ASSET MANAGEMENT COMPANY, as Attorney-in-Fact By: /s/ Mark L. Gold ------------------------------ Name: Mark L. Gold Title: Managing Director By: /s/ Richard F. Kurth ------------------------------ Name: Richard F. Kurth Title: Vice President AMARA 2 - FINANCE LTD By: INVESCO Senior Secured Management, Inc., as Sub-Advisor By: /s/ Gregory Stoeckle ------------------------------ Name: Gregory Stoeckle Title: Authorized Signatory ROYALTON COMPANY By: PACIFIC INVESTMENT MANAGEMENT COMPANY, as its Investment Advisor By: PIMCO MANAGEMENT INC., a General Partner By: ------------------------------ Name: Title: FLOATING RATE PORTFOLIO By: INVESCO SENIOR SECURED MANAGEMENT INC., as attorney in fact By: /s/ Gregory Stoeckle Name: Gregory Stoeckle Title: Authorized Signatory 27 AMARA-1 FINANCE LTD. By: INVESCO Senior Secured Management, Inc., as Sub-Advisor By: /s/ Gregory Stoeckle ------------------------------ Name: Gregory Stoeckle Title: Authorized Signatory KISLAK NATIONAL BANK By: ING CAPITAL ADVISORS LLC., as Investment Advisor By: ------------------------------ Name: Title: STB DELAWARE FUNDING TRUST I By: /s/ Donald C. Hargadon ------------------------------ Name: Donald C. Hargadon Title: Assistant Vice President STATE STREET BANK AND TRUST COMPANY, as Trustee for GENERAL MOTORS WELFARE BENEFITS TRUST By: ------------------------------ Name: Title: NORTH AMERICAN SENIOR FLOATING RATE FUND By: CYPRESSTREE INVESTMENT MANAGEMENT COMPANY, INC., as Portfolio Manager By: /s/ Jonathan D. Sharkey ------------------------------ Name: Jonathan D. Sharkey Title: Principal 28 CYPRESSTREE INSTITUTIONAL FUND, LLC By: CYPRESSTREE INVESTMENT MANAGEMENT COMPANY, INC., its Managing Member By: /s/ Jonathan D. Sharkey ------------------------------ Name: Jonathan D. Sharkey Title: Principal CYPRESSTREE INVESTMENT PARTNERS II, LTD By: CYPRESSTREE INVESTMENT MANAGEMENT COMPANY, INC., as Portfolio Manager By: /s/ Jonathan D. Sharkey ------------------------------ Name: Jonathan D. Sharkey Title: Principal KZH III LLC By: ------------------------------ Name: Title: KZH HIGHLAND-2 LLC By: ------------------------------ Name: Title: KZH IV LLC By: ------------------------------ Name: Title: 29 FIRST UNION NATIONAL BANK By: /s/ Helen F. Wessling Name: Helen F. Wessling Title: SVP/Director CYPRESSTREE INVESTMENT FUND, LLC By: CYPRESSTREE INVESTMENT MANAGEMENT COMPANY, INC., its Managing Member By: /s/ Jonathan D. Sharkey ------------------------------ Name: Jonathan D. Sharkey Title: Principal RABOBANK CANADA By: ------------------------------ Name: Title: CREDIT LYONNAIS CANADA By: ------------------------------ Name: Title: By: ------------------------------ Name: Title: FIRST DOMINION FUNDING II By: /s/ Andrew H. Marshak ------------------------------ Name: Andrew H. Marshak Title: Authorized Signatory 30 FIRST DOMINION FUNDING III By: /s/ Andrew H. Marshak ------------------------------ Name: Andrew H. Marshak Title: Authorized Signatory LEHMAN COMMERCIAL PAPER INC. By: ------------------------------ Name: Title: NOMURA BOND & LOAN FUND By: NOMURA CORPORATE RESEARCH AND ASSET MANAGEMENT INC. AS INVESTMENT ADVISER By: /s/ Richard W. Stewart ------------------------------ Name: Richard W. Stewart Title: Director BLACK DIAMOND INTERNATIONAL FUNDING LTD. By: /s/ David Dyer ------------------------------ Name: David Dyer Title: Director INDOSUEZ CAPITAL FUNDING IV, L.P. By: INDOSUEZ CAPITAL., as Portfolio Manager By: /s/ Melissa Marano ------------------------------ Name: Melissa Marano Title: Vice President 31 AERIES FINANCE-II LTD. By: INVESCO Senior Secured Management, Inc., as Sub-Managing Agent By: /s/ Gregory Stoeckle ------------------------------ Name: Gregory Stoeckle Title: Authorized Signatory TRITON CDO IV, LIMITED By: INVESCO Senior Secured Management, Inc., as Investment Advisor By: /s/ Gregory Stoeckle ------------------------------ Name: Gregory Stoeckle Title: Authorized Signatory PALOMINO FUND LTD. By: /s/ (Illegible) Goldstein ------------------------------ Name: (Illegible) Goldstein Title: Chief Financial Officer OLYMPIC FUNDING TRUST, SERIES 1999-1 By: /s/ Kelly C. Walker Name: Kelly C. Walker Title: Authorized Agent PPM SPYGLASS FUNDING TRUST By: /s/ Kelly C. Walker ------------------------------ Name: Kelly C. Walker Title: Authorized Agent WINGED FOOT FUNDING TRUST By: /s/ Kelly C. Walker ------------------------------ Name: Kelly C. Walker Title: Authorized Agent 32 GOLDMAN SACHS CREDIT PARTNERS L.P. By: /s/ Mark Denatale ------------------------------ Name: Mark Denatale Title: Authorized Signatory VAN KAMPEN CLO II By: ------------------------------ Name: Title: ATHENA CDO, LIMITED By: PACIFIC INVESTMENT MANAGEMENT COMPANY, as its Investment Advisor By: PIMCO MANAGEMENT INC., a General Partner By: /s/ Mohan V. Phansalkar ------------------------------ Name: Mohan V. Phansalkar Title: Senior Vice President TRIGON HEALTHCARE INC. By: PACIFIC INVESTMENT MANAGEMENT COMPANY, as its Investment Advisor, acting through the Bank of New York in the Nominee Name of Hare & Co. By: PIMCO MANAGEMENT INC., a General Partner By: /s/ Mohan V. Phansalkar ------------------------------ Name: Mohan V. Phansalkar Title: Senior Vice President 33 CAPTIVA III FINANCE LTD. As advised by Pacific Investment Management Company. BY: /s/ David Dyer ------------------------------ Name: David Dyer Title: Director CAPTIVA IV FINANCE LTD. As advised by Pacific Investment Management Company. BY: /s/ David Dyer ------------------------------ Name: David Dyer Title: Director STOCKS PLUS LP SUBFUND B By: PACIFIC INVESTMENT MANAGEMENT COMPANY, as its Investment Advisor, acting through Investors Fiduciary Trust in the Nominee Name of IFTCO By: PIMCO MANAGEMENT INC., a General Partner By: /s/ Mohan V. Phansalkar ------------------------------ Name: Mohan V. Phansalkar Title: Senior Vice President DELANO COMPANY By: PACIFIC INVESTMENT MANAGEMENT COMPANY, as its Investment Advisor By: PIMCO MANAGEMENT INC., a General Partner By: /s/ Mohan V. Phansalkar ------------------------------ Name: Mohan V. Phansalkar Title: Senior Vice President ROYALTON COMPANY By: PACIFIC INVESTMENT MANAGEMENT COMPANY, as its Investment Advisor By: PIMCO MANAGEMENT INC., a General Partner By: /s/ Mohan V. Phansalkar ------------------------------ Name: Mohan V. Phansalkar Title: Senior Vice President 34 HAPOALIM B.M. By: /s/ Azarya Resslar ------------------------------ Name: Azarya Resslar Title: SVP & Branch Manager BAYERISCHE HYPO- UND VEREINSBANK AG, NEW YORK BRANCH By: /s/ Timothy L. Harrod ------------------------------ Name: Timothy L. Harrod Title: Director By: /s/ John P. McMahan ------------------------------ Name: John P. McMahan Title: Associate Director APPALOOSA INVESTMENT LIMITED PARTNERSHIP I By: APPALOOSA MANAGEMENT L.P., a General Partner By: APPALOOSA PARTNERS INC., a General Partner By: /s/ (Illegible) Goldstein ------------------------------ Name: (Illegible) Goldstein Title: Chief Financial Officer 35 Zematt CBO, LTD. By: /s/ James Duplessie ------------------------------ Name: James Duplessie Title: Executive Director UBS AG, New York Branch SEQUILS I, LTD. By: TCW ADVISORS, INC., as its Collateral Manager By: /s/ Mark L. Gold ------------------------------ Name: Mark L. Gold Title: Managing Director By: /s/ Richard Furth ------------------------------ Name: Richard F. Kurth Title: Vice President ARCHIMEDES FUNDING III, LTD. BY: ING CAPITAL ADVISORS, INC., as Collateral Manager By: /s/ Kurt Wegleitner ------------------------------ Name: Kurt Wegleitner Title: Vice President & Porfolio Manager SEQUILS-ING I (HBDGM), LTD. BY: ING CAPITAL ADVISORS, INC., as Collateral Manager By: /s/ Kurt Wegleitner Name: Kurt Wegleitner Title: Vice President & Porfolio Manager 36 Monument Capital Ltd., as Assignee By: Alliance Capital Management L. P., as Investment Manager By: Alliance Capital Management Corporation, as General Partner By: /s/ Kenneth G. Ostmann ------------------------------ Name: Kenneth G. Ostmann Title: Vice President PILGRIM CLO 1999-I LTD. By: PILGRIM INVESTMENTS, INC., as its Investment Manager By: /s/ Charles E. LeMieux ------------------------------ Name: Charles E. LeMieux, CFA Title: Assistant Vice President Oak Mountain Limited, as Assignee By: Alliance Capital Management L. P., as Investment Manager By: Alliance Capital Management Corporation, as General Partner By: /s/ Kenneth G. Ostmann ------------------------------ Name: Kenneth G. Ostmann Title: Vice President GALAXY CLO 1999-1, LTD By: /s/ Steven B. Staver ------------------------------ Name: Steven B. Staver Title: Authorized Agent DLJ CAPITAL FUNDING, INC. By: (illegible signature) ------------------------------ Name: Title: 37 Cypress Tree Senior Floating Rate Fund By: Cypress Tree Investment Management Company, Inc. as Portfolio Manager By: /s/ Jonathan D. Sharkey ------------------------------ Name: Jonathan D. Sharkey Title: Principal Cypress Tree Investment Partners I, Ltd. By: Cypress Tree Investment Management Company, Inc. as Portfolio Manager By: /s/ Jonathan D. Sharkey ------------------------------ Name: Jonathan D. Sharkey Title: Principal Cypress Tree Management Company, Inc. As: Attorney-in-Fact and on Behalf of First Allmerica Financial Life Insurance Company as Portfolio Manager By: /s/ Jonathan D. Sharkey ------------------------------ Name: Jonathan D. Sharkey Title: Principal TEXTRON FINANCIAL CORP. By: /s/ R. Rodney Weaver ------------------------------ Name: R. Rodney Weaver Title: Vice President Balanced High-Yield Fund II LTD. By: BHF (USA) Capital Corporation As Attorney-In-Fact By: /s/ Dana L. McDougall ------------------------------ Name: Dana L. McDougall Title: Vice President By: /s/ Richard Cameron ------------------------------ Name: Richard Cameron Title: Vice President 38 Balanced High-Yield Fund I LTD. By: BHF (USA) Capital Corporation As Attorney-In-Fact By: /s/ Dana L. McDougall ------------------------------ Name: Dana L. McDougall Title: Vice President By: /s/ Richard Cameron ------------------------------ Name: Richard Cameron Title: Vice President BHF (USA) Capital Corporation By: /s/ Dana L. McDougall ------------------------------ Name: Dana L. McDougall Title: Vice President By: /s/ Richard Cameron ------------------------------ Name: Richard Cameron Title: Vice President KEMPER FLOATING RATE FUND By: /s/ Mark E. Wittnebel ------------------------------ Name: Mark E. Wittnebel Title: Senior Vice President SENIOR HIGH INCOME PORTFOLIO, INC. By: /s/ Joseph Moroney ------------------------------ Joseph Moroney Authorized Signatory MERRILL LYNCH GLOBAL INVESTMENT SERIES: INCOME STRATEGIES PORTFOLIO By: Merrill Lynch Asset Management, L.P. As Investment Advisor By: /s/ Joseph Moroney ------------------------------ Joseph Moroney Authorized Signatory 39 MERRILL LYNCH SENIOR FLOATING RATE FUND, INC. By: /s/ Joseph Moroney ------------------------------ Joseph Moroney Authorized Signatory ACKNOWLEDGMENT AND CONSENT The undersigned does hereby acknowledge and consent to the foregoing Agreement. The undersigned does hereby confirm and agree that, after giving effect to such Agreement, the Guarantee and Collateral Agreement or the Canadian Collateral Documents as the case may be are and shall continue to be in full force and effect and are hereby confirmed and ratified in all respects. SAFETY-KLEEN CORP. (formerly known as Laidlaw Environmental Services, Inc.) By:/s/ John G. McGregor ------------------------------- Name: Title: SAFETY-KLEEN SERVICES, INC. (formerly known as LES, Inc.) SAFETY-KLEEN (PECATONICA), INC. (formerly known as Laidlaw Environmental Services of Illinois, Inc.) GSX CHEMICAL SERVICES OF OHIO, INC. SAFETY-KLEEN (BDT), INC. (formerly known as Laidlaw Environmental Services (BDT), Inc.) SAFETY-KLEEN (FS), INC. (formerly known as Laidlaw Environmental Services (FS), Inc.) SAFETY-KLEEN (GS), INC. (formerly known as Laidlaw Environmental Services (GS), Inc.) SAFETY-KLEEN (CHATTANOOGA), INC. (formerly known as Laidlaw Environmental Services of Chattanooga, Inc.) SAFETY-KLEEN (WHITE CASTLE), INC. (formerly known as Laidlaw Environmental Services of White Castle, Inc.) SAFETY-KLEEN (CROWLEY), INC. (formerly known as Laidlaw Environmental Services (Recovery), Inc.) SAFETY-KLEEN (TS), INC. (formerly known as Laidlaw Environmental Services (TS), Inc.) SAFETY-KLEEN (WESTMORLAND), INC. (formerly known as Laidlaw Environmental Services (Imperial Valley), Inc.) 2 SAFETY-KLEEN (BUTTONWILLOW), INC. (formerly known as Laidlaw Environmental Services (Lokern), Inc.) SAFETY-KLEEN (CALIFORNIA), INC. (formerly known as Laidlaw Environmental of California, Inc.) SAFETY-KLEEN (PINEWOOD), INC.(formerly known as Laidlaw Environmental Services of South Carolina, Inc.) SAFETY-KLEEN (NE), INC.(formerly known as Laidlaw Environmental Services (North East), Inc.) SAFETY-KLEEN (LAPORTE), INC. (formerly known as Laidlaw Environmental Services (TES), Inc.) SAFETY-KLEEN CHEMICAL SERVICES, INC. (formerly known as Laidlaw Chemical Services, Inc.) SAFETY-KLEEN (ROEBUCK), INC.(formerly known as Laidlaw Environmental Services (TOC), Inc.) SAFETY-KLEEN (TG), INC. (formerly known as Laidlaw Environmental Services (TG), Inc.) SAFETY-KLEEN (ALTAIR), INC. (formerly known as Laidlaw Environmental Services (Altair), Inc.) SAFETY-KLEEN (WT), INC. (formerly known as Laidlaw Environmental Services (WT), Inc.) SAFETY-KLEEN (BARTOW), INC. (formerly known as Laidlaw Environmental Services of Bartow, Inc.) SAFETY-KLEEN (COLFAX), INC. (formerly known as Laidlaw Environmental Services (Thermal Treatment), Inc.) LEMC, INC. SAFETY-KLEEN OSCO HOLDINGS, INC. (formerly known as Laidlaw OSCO Holdings, Inc.) SAFETY-KLEEN (NASHVILLE), INC. (formerly known as Laidlaw Environmental Services of Nashville, Inc.) SAFETY-KLEEN (CLIVE), INC. (formerly known as Laidlaw Environmental Services (Clive), Inc.) 3 SAFETY-KLEEN (LONE AND GRASSY MOUNTAIN), INC. (formerly known as Laidlaw Environmental Services (Lone and Grassy Mountain), Inc.) SAFETY-KLEEN (TULSA), INC. (formerly known as Laidlaw Environmental Services (Tulsa), Inc.) SAFETY-KLEEN (SAN ANTONIO), INC. (formerly known as Laidlaw Environmental Services (San Antonio), Inc.) SAFETY-KLEEN (WICHITA), INC. (formerly known as Laidlaw Environmental Services (Wichita), Inc.) SAFETY-KLEEN (DELAWARE), INC. (formerly known as Laidlaw Environmental Services of Delaware, Inc.) USPCI, INC. OF GEORGIA SAFETY-KLEEN (SAN JOSE), INC. (formerly known as Laidlaw Environmental Services (San Jose), Inc.) SAFETY-KLEEN (SAWYER), INC. (formerly known as Laidlaw Environmental Services (Sawyer), Inc.) CHEMCLEAR, INC. OF LOS ANGELES SAFETY-KLEEN (ROSEMOUNT), INC. (formerly known as Laidlaw Environmental Services (Rosemount), Inc.) SAFETY-KLEEN HOLDING'S, INC. (formerly known as LES Holding's, Inc.) SAFETY-KLEEN (PPM), INC. (formerly known as Laidlaw Environmental Services (Tucker), Inc.) NINTH STREET PROPERTIES, INC. SAFETY-KLEEN (MT. PLEASANT), INC. (formerly known as Laidlaw Environmental Services (Mt. Pleasant), Inc.) SAFETY-KLEEN (DEER TRAIL), INC. (formerly known as Laidlaw Environmental Services (Deer Trail), Inc.) SAFETY-KLEEN (MINNEAPOLIS), INC. (formerly known as Laidlaw Environmental Services (Minneapolis), Inc.) SAFETY-KLEEN (LOS ANGELES), INC. (formerly known as Laidlaw Environmental Services (Los Angeles), Inc.) 4 SAFETY-KLEEN (BATON ROUGE), INC. (formerly known as Laidlaw Environmental Services (Baton Rouge), Inc.) SAFETY-KLEEN (PLAQUEMINE), INC. (formerly known as Laidlaw Environmental Services (Plaquemine), Inc.) SAFETY-KLEEN (BRIDGEPORT), INC. (formerly known as Laidlaw Environmental Services (Bridgeport), Inc.) SAFETY-KLEEN (DEER PARK), INC. (formerly known as Laidlaw Environmental Services (Deer Park), Inc.) SAFETY-KLEEN (TIPTON), INC. (formerly known as Laidlaw Environmental Services (Tipton), Inc.) SAFETY-KLEEN (SUSSEX), INC. (formerly known as Laidlaw Environmental Services (Sussex), Inc.) SAFETY-KLEEN (GLOUCESTER), INC. (formerly known as Laidlaw Environmental Services (Gloucester), Inc.) SAFETY-KLEEN (CUSTOM TRANSPORT), INC. (formerly known as Laidlaw Environmental Services (Custom Transport), Inc.) SAFETY-KLEEN (ARAGONITE), INC. (formerly known as Laidlaw Environmental Services (Aragonite), Inc.) SAFETY-KLEEN (PUERTO RICO), INC. (formerly known as Laidlaw Environmental Services (Puerto Rico), Inc.) SAFETY-KLEEN SYSTEMS, INC. (formerly known as Safety-Kleen Corp.) DIRT MAGNET, INC. THE MIDWAY GAS & OIL CO. ELGINT CORP. SAFETY-KLEEN ENVIROSYSTEMS COMPANY SAFETY-KLEEN ENVIROSYSTEMS COMPANY OF PUERTO RICO, INC. PETROCON, INC. PHILLIPS ACQUISITION CORP. SAFETY-KLEEN (CONSULTING), Inc. (formerly known as Virogroup, Inc., which was formerly known as Safety-Kleen Aviation, Inc.) SK REAL ESTATE, INC. 5 SAFETY-KLEEN INTERNATIONAL, INC. SAFETY-KLEEN OIL RECOVERY CO. SAFETY-KLEEN OIL SERVICES, INC. THE SOLVENTS RECOVERY SERVICE OF NEW JERSEY, INC. By:/s/ John G. McGregor ------------------------------ Name: Title: 3E COMPANY ENVIRONMENTAL, ECOLOGICAL AND ENGINEERING By:/s/ John G. McGregor ------------------------------ Name: Title: SK INSURANCE COMPANY By:/s/ John G. McGregor ------------------------------ Name: Title: SK EUROPE, INC. By:/s/ John G. McGregor ------------------------------ Name: Title: 6 SAFETY-KLEEN (ENCOTEC), INC. (formerly known as Laidlaw Environmental, Inc.) By:/s/ John G. McGregor ------------------------------ Name: Title: SAFETY-KLEEN CANADA INC. By:/s/ John G. McGregor ------------------------------ Name: Title: SAFETY-KLEEN SERVICES (QUEBEC) LTD. By:/s/ John G. McGregor ------------------------------ Name: Title: SAFETY-KLEEN SERVICES (MERCIER) LTD. By:/s/ John G. McGregor ------------------------------ Name: Title: S-K D'INCINERATION, INC. By:/s/ John G. McGregor ------------------------------ Name: Title: 1197296 ONTARIO LIMITED By:/s/ John G. McGregor ------------------------------ Name: Title: SCHEDULE 1 PENDING DEFAULTS AND EVENTS OF DEFAULT AS OF APRIL 7, 2000 1. Events of Default under Article 11(b) of the Credit Agreement arising from representations and warranties concerning financial information being incorrect in material respects when made or deemed made in the Credit Agreement or in certificates, documents, financial or other statements delivered from time to time thereunder. 2. Events of Default under Article 11(c) of the Credit Agreement arising from the failure to perform or observe at various times the financial covenants contained in Section 10.1 thereof. 3. Events of Default arising under Article 11(d) of the Credit Agreement arising from the failure to observe or perform the covenants contained in Section 9.1 and 9.2 of the Credit Agreement calling for the delivery of financial statements that are complete and correct in all material respects and conform to GAAP applied consistently throughout the periods reflected therein and with prior periods except as approved by independent certified public accountants. 4 Default arising from the failure to pay a certain amount of interest on the Revolving Credit Loans that was due on the date set forth above. SCHEDULE 2 EXISTING BANK AND BROKERAGE ACCOUNTS [TO BE SUPPLIED BY THE BORROWER]