NOTICE OF GUARANTEED DELIVERY
ISP CHEMCO INC.
ISP CHEMICALS INC.
ISP MINERALS INC.
ISP TECHNOLOGIES INC.
OFFER TO EXCHANGE
10 1/4% SERIES B SENIOR SUBORDINATED NOTES DUE 2011
FOR ANY AND ALL OUTSTANDING
10 1/4% SERIES A-1 SENIOR SUBORDINATED NOTES DUE 2011
This form or one substantially equivalent hereto must be used by registered
holders of outstanding 10 1/4% Series A-1 Senior Subordinated Notes due 2011
(the "Old Notes") who wish to tender their Old Notes in exchange for a like
principal amount of 10 1/4% Series B Senior Subordinated Notes due 2011 (the
"Registered Notes") pursuant to the exchange offer described in the Prospectus
dated , 2002 (the "Prospectus") if the holder's Old Notes are not
immediately available or if such holder cannot deliver its Old Notes and Letter
of Transmittal (and any other documents required by the Letter of Transmittal)
to Wilmington Trust Company (the "Exchange Agent") prior to 5:00 p.m., New York
City time, on , 2002. This Notice of Guaranteed Delivery may be
delivered by hand or sent by facsimile transmission (receipt confirmed by
telephone and an original delivered by guaranteed overnight courier) or mail to
the Exchange Agent. See "The Exchange Offer -- Procedures for
Tendering -- Guaranteed Delivery Procedures" in the Prospectus.
The Exchange Agent for the Exchange Offer is:
WILMINGTON TRUST COMPANY
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By Overnight Delivery or
Registered or Certified Mail: By Hand in New York: By Hand in Delaware:
Wilmington Trust Company Wilmington Trust Company Wilmington Trust Company
Rodney Square North c/o Computershare Trust 301 West 11th Street
1105 North Market Street Company of New York Wilmington, DE 19801-1615
Wilmington, DE 19890-1615 Wall Street Plaza Attn: Corporate Trust, 1st Floor
Attn: Corporate Trust 88 Pine Street, 19th Floor
New York, NY 10005
Attn: Wilmington Trust/ISP
Facsimile Transmission Number:
(For Eligible Institutions Only)
(302) 651-1079
Confirm Receipt of Facsimile
by Telephone:
(302) 651-1562
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DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS
SET FORTH ABOVE OR TRANSMISSION VIA FACSIMILE TO A NUMBER OTHER THAN AS SET
FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY.
This Notice of Guaranteed Delivery is not to be used to guarantee
signatures. If a signature on a Letter of Transmittal is required to be
guaranteed by an eligible institution (as defined in the Prospectus), such
signature guarantee must appear in the applicable space provided on the Letter
of Transmittal for Guarantee of Signatures.
Ladies and Gentlemen:
The undersigned hereby tenders to ISP Chemco Inc., ISP Chemicals Inc., ISP
Minerals Inc. and ISP Technologies Inc. (collectively, the "Companies") the
principal amount of Old Notes indicated below, upon the terms and subject to the
conditions contained in the Prospectus, receipt of which is hereby acknowledged.
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DESCRIPTION OF SECURITIES TENDERED
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NAME AND ADDRESS OF REGISTERED CERTIFICATE NUMBER(S) PRINCIPAL AMOUNT
HOLDER AS IT APPEARS ON THE FOR OLD NOTES OF OLD NOTES
NAME OF TENDERING HOLDER OLD NOTES (PLEASE PRINT) TENDERED TENDERED
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PLEASE SIGN HERE
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X --------------------------------------------------------- X ---------------------------------------------------------
X --------------------------------------------------------- X ---------------------------------------------------------
X --------------------------------------------------------- X ---------------------------------------------------------
SIGNATURE(S) OF OWNER DATE
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Must be signed by the holder(s) of Old Notes as their name(s) appear(s) on
certificates for Old Notes or on a security position listing, or by person(s)
authorized to become registered holder(s) by endorsement and documents
transmitted with this Notice of Guaranteed Delivery. If signature is by a
trustee, executor, administrator, guardian, attorney-in-fact, officer or other
person acting in a fiduciary or representative capacity, such person must set
forth his or her full title below.
PLEASE PRINT NAME(S) AND ADDRESS(ES)
Name(s):
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Capacity:
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Address(es):
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[ ] The Depository Trust Company
(Check if Old Notes will be tendered by book-entry transfer)
Account Number:
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THE GUARANTEE ON THE FOLLOWING PAGE MUST BE COMPLETED.
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THE FOLLOWING GUARANTEE MUST BE COMPLETED
GUARANTEE OF DELIVERY
(NOT TO BE USED FOR SIGNATURE GUARANTEE)
The undersigned, a member of a recognized signature guarantee medallion
program within the meaning of Rule 17Ad-15 under the Securities Exchange Act of
1934, as amended, hereby guarantees to deliver to the Exchange Agent at one of
its addresses set forth above, the certificates representing the Old Notes (or a
confirmation of book-entry transfer of such Old Notes into the Exchange Agent's
account at The Depository Trust Company), together with a properly completed and
duly executed Letter of Transmittal (or facsimile thereof), with any required
signature guaranteed, and any other documents required by the Letter of
Transmittal within three NYSE trading days after the date of execution of this
Notice of Guaranteed Delivery.
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Name of Firm:
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(AUTHORIZED SIGNATURE)
Address: Title:
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Name:
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(ZIP CODE) (PLEASE TYPE OR PRINT)
Date:
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AREA CODE AND TELEPHONE NO.
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NOTE: DO NOT SEND OLD NOTES WITH THIS NOTICE OF GUARANTEED DELIVERY. OLD NOTES
SHOULD BE SENT WITH YOUR LETTER OF TRANSMITTAL.
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