Exhibit 10.99

                              FORBEARANCE AGREEMENT
                                       AND
                        FIRST AMENDMENT TO LOAN DOCUMENTS

                  FORBEARANCE  AGREEMENT AND FIRST  AMENDMENT TO LOAN DOCUMENTS,
dated  as of April 1,  2002  (this  "Agreement"),  made by and  among  Commodore
Applied Technologies,  Inc. (the "Borrower"),  Commodore Advanced Sciences, Inc.
("CASI"), and The Shaar Fund, Ltd. (the "Lender").

                              PRELIMINARY STATEMENT

                  WHEREAS, on June 13, 2001, Lender made a loan (the "Loan") to
the Borrower in the original principal amount of $500,000, as evidenced by a
certain Secured Promissory Note dated as of June 13, 2001 in the original
principal amount of $500,000 (the "Note") executed and delivered to the Lender
by the Borrower; capitalized terms used herein but not defined herein having the
meaning specified in the Note;

                  WHEREAS, CASI executed and delivered to the Lender a certain
Guaranty and Suretyship Agreement dated as of June 13, 2001 (the "Guaranty")
whereby inter alia, CASI unconditionally guaranteed the payment and performance,
inter alia, of all of Borrower's obligations under the Note;

                  WHEREAS, the Note is secured, inter alia, by (a) a certain
Security Agreement dated as of June 13, 2001 executed and delivered by Borrower
and CASI (collectively, the "Obligors") to the Lender (the "Security
Agreement"), and (b) a certain Patent Collateral Assignment dated as of June 13,
2001 executed by Borrower to the Lender (the "Patent Assignment");

                  WHEREAS, the Borrower has granted to Lender a certain Warrant
to Purchase Common Stock of Commodore Applied Technologies, Inc. dated as of
June 13, 2001, whereby inter alia, the Lender has the option of purchasing up to
166,667 shares of the Common Stock of the Borrower at an exercise price of $.21
per share (the "Warrant") and the Borrower and the Lender entered into that
certain Registration Rights Agreement dated as of June 13, 2001 (the
"Registration Agreement");

                  WHEREAS, the Borrower has failed to make the scheduled payment
of principal and interest due on December 13, 2001 through the date hereof and
such failures constitute "Events of Defaults" as defined in the Note;

                  WHEREAS, the Borrower has requested that Lender forbear from
exercising its rights and remedies under the Note, the Guaranty, the Security
Agreement, and the Parent Assignment (collectively, the "Loan Documents") from



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December 13, 2001 through May 13, 2002 (the "Forbearance Period") with respect
to certain existing and anticipated Events of Defaults; and

                  WHEREAS, Lender is willing to grant such a forbearance and
enter into such amendment, but only upon the terms and conditions herein
contained;

                  NOW THEREFORE, the Obligors and the Lender hereby agree as
follows:

                  SECTION 1. Recitals.  The Recitals are incorporated  into this
Agreement by reference.

                  SECTION 2. Forbearance. The Lender hereby agrees to forbear
from accelerating the indebtedness evidenced by the Note during the Forbearance
Period and to refrain during the Forbearance Period from taking any enforcement
actions against the Borrower, but only to the extent that the Events of Defaults
giving rise to such remedies relate to failure to make the principal and
interest payments due on December 13, 2001, January 13, 2002, February 13, 2002,
March 13, 2002 and April 13, 2002 under the Note (the "Acknowledged Defaults").

                  SECTION 3. Forbearance Fee. The Obligors hereby jointly and
severally agree to pay to Lender the sum of $15,000.00 as a Forbearance Fee (the
"Forbearance Fee"), such Forbearance Fee to be due and payable on May 13, 2002.
The parties agree that the Forbearance Fee is fully earned on the date hereof.

                  SECTION 4. Effect of Waiver. Except as set forth expressly
herein, all terms of the Note and the other Loan Documents shall be and remain
in full force and effect, and shall constitute the legal, valid, binding and
enforceable obligations of the Obligors. The forbearance set forth in Section 2
hereof: (a) shall relate only to the Acknowledged Events of Default, and (b) is
subject to the satisfaction of the conditions precedent set forth in Section 7
hereof. The waiver hereby granted by the Lender shall not apply to any other
past, present or future noncompliance with any provision of the Note or any of
the other Loan Documents (including, without, limitation, any Event of Default
occurring or in existence after the end of the Forbearance Period, whether or
not related to an Acknowledged Event of Default), and all rights, powers and
remedies of the Lender are reserved with respect thereto).

                  SECTION 5. No Novation or Mutual Departure. The Obligors
expressly acknowledge and agree that: (a) there has not been, and this Agreement
does not constitute or establish, a novation with respect to the Note or any of
the Loan Documents, or a mutual departure from the strict terms, provisions and
conditions thereof, other than as specifically specified in Section 2 hereof;
and (b) nothing in this Waiver shall affect or limit the Lender's right to
demand payment of liabilities owing from the Obligors under, or to demand strict


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performance of the terms, provisions and conditions of, the other Loan Document,
to exercise any and all rights, powers and remedies under the Loan Documents or
at law or in equity, or to do any and all of the foregoing, immediately at any
time after (a) the occurrence of an Event of Default, other than arising from an
Acknowledged Event of Default during the Forbearance Period or (b) the
occurrence of any Event of Default after the Forbearance Period.

                  SECTION 6. Amended and Restated Note. The Obligors are
contemporaneously herewith executing and delivering to the Lender that certain
Amended and Restated Secured Promissory Note (the "Restated Note") in form and
substance as attached hereto as Exhibit A. Lender shall hold the Restated Note
in escrow and the Restated Note shall not be effective until May 13, 2002;
provided however that the parties agree that Lender shall only release the
Restated Note from escrow on May 13, 2002 if (a) the conditions precedent set
forth in Section 7 hereof are satisfied, and (b) no Event of Default other than
the Acknowledged Defaults shall have occurred during the Forbearance Period.
Upon its release from Escrow the Restated Note shall amend and restate the Note
in its entirety effective as of May 13, 2002.

                  SECTION 7. Conditions to Effectiveness. This Agreement is
effective when duly executed by all parties, but Section 2 of this Agreement
shall become effective when all of the following conditions have been satisfied,
provided however, that if all such conditions are not satisfied on or before
April 2, 2002, Section 2 shall be of no force or effect:

                      (a) the Lender shall have received the Restated Note, duly
executed by the Borrower;

                      (b) the Lender shall have  received  counterparts  of this
Agreement executed by the Obligors and the Lender;

                      (c) the  Lender  shall have  received  true,  correct  and
complete  (including  all  attachments)  file-stamped  copies  of  each  of  the
financing  statements  filed in connection with the Loan when  originally  made,
each of which financing  statement shall be preceded by a cover sheet indicating
the  jurisdiction  in which such statement was filed and date such statement was
filed;

                      (d)  the  Lender  shall  have  received  the  Consent  and
Acknowledgement  of Shaar  Fund,  Ltd.  in form and  substance  as set  forth in
Exhibit B; and

                      (e) the Lender shall have  received a  certificate  of the
Secretary  or  Assistant  Secretary  of each  Obligor,  dated  the date  hereof,
attesting  to all  corporate  action  taken by each of the  Obligors,  including
resolutions of its Board of Directors  authorizing  the execution,  delivery and
performance  of the Restated Note and this  Agreement and each other document to
be  delivered  pursuant  to this  Agreement  and  certifying  true copies of the
articles of incorporation, by-laws and other organizational documents of each of
the Obligors; and

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                      (f) the Lender shall have received all reasonable fees and
expenses of the Lender  (including  attorney's fees) which have been involved as
of April 1, 2002.

                  SECTION 8. Representations and Warranties of the Obligors. The
Obligors jointly and severally represent and warrant as follows:

                      (a) The  representations  and warranties  contained in the
Loan  Documents  are true and correct in all material  respects on and as of the
date  hereof  as  though  made  on  and  as  of  such  date.  In  addition,  all
representations  and  warranties  contained  in  the  Warrant  and  Registration
Agreement  (collectively,  the "Warrant  Documents") are true and correct in all
material  respects on and as of the date hereof as though made on and as of such
date.

                      (b) After giving  effect to this  Agreement,  no event has
occurred and is continuing, which constitutes an Event of Default under the Note
(other than the "Acknowledged Defaults"), or any of the other Loan Documents, or
would  constitute  an Event of  Default  under the Note or any of the other Loan
Documents  but for the giving of notice or the  passage of time,  or both (other
than the Acknowledged Defaults"), and the execution, delivery and performance of
this Agreement  shall not cause or constitute any such default or any such Event
of Default under any of the Loan Documents, as amended hereby.

                  SECTION 9. References to and Effect on the Facility Documents.

                      (a) Upon the  effectiveness  of the Restated  Note, on and
after the date hereof,  each  reference in the Loan  Documents to "the Note," or
words of like import shall mean and be a reference to the Restated Note.

                      (b)  Except  as  specifically  amended  herein,  the  Loan
Documents  and the  Warrant  Documents  remain in full  force and effect and are
hereby ratified and confirmed. Without limiting the generality of the foregoing,
(i) the  Guaranty  does and shall  continue  to  secure  the  payment  of all of
Borrower's  obligations under to Lender,  whether primary or secondary,  direct,
absolute or contingent, sole, joint and/or several, heretofore, now or hereafter
acquired or arising, whether at maturity or acceleration,  pursuant to the or in
connection  with the Loan  and  otherwise  due and  owing  pursuant  to the Loan
Documents,  as modified hereby,  and (ii) the Security  Agreement does and shall
continue to secure the payment of all  "Obligations"  as defined  therein (which
shall include obligations under the "Restated Note").

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                      (c) The  execution,  delivery  and  effectiveness  of this
Agreement shall not, except as expressly provided herein, operate as a waiver of
any right,  power or remedy of the  Lender  under any of the Loan  Documents  or
under any of the Warrant Documents,  nor constitute a waiver of any provision of
any of the foregoing.

                  SECTION 10. Acknowledgment of Outstanding Loans. The Obligors
hereby acknowledge, certify and agree that: the obligations of the Obligors to
repay the Loan (with interest and expenses) to the Lender and to perform or
otherwise satisfy their respective other obligations under the Loan Documents
(a) each remain and shall continue in full force and effect, both before and
after giving effect to this Agreement, (b) are not subject to any defense,
counterclaim, setoff, right of recoupment, abatement, reduction or other claim
or determination, and (c) are and shall continue to be governed by the terms and
provisions of the Loan Documents as supplemented, modified and amended by this
Agreement.

                  SECTION 11. Costs, Expenses and Taxes. The Obligors jointly
and severally agree to pay on demand all costs and expenses of the Lender in
connection with the preparation, execution and delivery of this Agreement and
the Restated Note, and any other instruments and documents to be delivered
hereunder, including, without limitation, the reasonable fees and out-of-pocket
expenses of counsel for the Lender with respect thereto and with respect to
advising the Lender as to its rights and responsibilities hereunder and
thereunder. The Obligors further jointly and severally agree to pay on demand
all costs and expenses, if any (including, without limitation, reasonable
counsel fees and expenses), in connection with the enforcement (whether through
negotiations, legal proceedings or otherwise) of this Agreement, and any other
instruments and documents to be delivered hereunder, including, without
limitation, reasonable counsel fees and expenses in connection with the
enforcement of rights under this Section. In addition, the Obligors jointly and
severally agree to pay on demand any and all stamp and other taxes payable or
determined to be payable in connection with the execution and delivery of this
Agreement, and any other instruments and documents to be delivered hereunder,
and jointly and severally agree to save the Lender harmless from and against any
and all liabilities with respect to or resulting from any delay in paying or
omission to pay such taxes.

                  SECTION 12. Execution in Counterparts. This Agreement may be
executed in any number of counterparts and by different parties hereto in
separate counterparts, each of which when so executed and delivered shall be
deemed to be an original and all of which taken together as a whole shall
constitute but one and the same instrument.

                  SECTION 13.  Governing Law. This  Agreement  shall be governed
by, and construed in accordance with, the laws of the State of New York.

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                  IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be executed by their respective authorized signatories, as of the
date first above written.


THE SHAAR FUND, LTD



-----------------------------
BY:
ITS:

Commodore Applied Technologies, Inc.


-------------------------
BY:  James M. DeAngelis
ITS:  Senior Vice President, Chief Financial Officer, Treasurer and Secretary

ALTHOUGH NO NOTICE TO OR APPROVAL
FROM THE UNDERSIGNED GUARANTOR IS REQUIRED,
THE UNDERSIGNED GUARANTOR ACKNOWLEDGES,
CONFIRMS AND JOINS IN THE REQUEST
FOR THE FOREGOING AGREEMENT

Commodore Advanced Sciences, Inc.


-----------------------------
BY:  James M. DeAngelis
ITS:  Treasurer and Secretary












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