C00021947

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Subject: Contract No Task Order No. 03 Amendment No. 03

Gentlemen:

Reference is made to the subject Contract entered into with your corporation as of 1 April l9ó9, as amended, for the pharmacological screening of potentially useful new agents.

By this Amendment, it is mutually agreed that the original scope of work is expanded to cancel Amendment No. 02 of this Task Order.

Based on the foregoing, the estimated cost of performance of the work of the Contract, exclusive of the fixed fee, is decreased in the amount of

The fixed fee payable to the Contractor shall remain

The new total estimated cost plus fixed fee is now

All other terms and conditions of the Contract shall remain as originally stipulated.

Please indicate your acceptance of the foregoing by signing this Amendment and the two copies thereof. Retain one copy for

REGISTERED

C00021947

76

20 Apr11 1971

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Subject: Contrect No. Task Order No. 03 Axendment No. 03

your records and return the original end remaining one copy to the undersigned at the earliest practicable date.

EXECUTED:

Very truly yours,

iqued

TITLE

Contracting Officer

C00021947

76

一

20 April 1971