AMENDMENT


     This Amendment is executed between Guntekin Koksal ("Koksal") and Chaparral
Resources,  Inc.  ("Chaparral") on April 14, 1997 in order to amend the Purchase
Agreement  dated  January 12, 1996  related to the  acquisition  of 15% (fifteen
percent) of the issued and outstanding  capital stock of Central Asian Petroleum
(Guernsey)   Limited   ("CAP(G)")  owned  by  Koksal  by  Chaparral   ("Purchase
Agreement").

     WHEREAS,  Chaparral  failed to make  certain  payments in  accordance  with
Article 1c of the Purchase Agreement; and

     WHEREAS, the Parties desire to defer the payment date;

     NOW, THEREFORE,  the Parties have agreed to amend the Purchase Agreement as
follows:

     1.   In accordance with the Purchase Agreement Chaparral shall purchase all
          of the Shareholder's right, title and interest in and to 75,000 shares
          of CAP(G) stock owned by Koksal in return for certain considerations.

     2.   As of March 11, 1997  Chaparral  owes Koksal US $543,750 (Five hundred
          forty three thousand seven hundred fifty US Dollars).

     3.   The Parties agree to make the final  deferment for the payment date of
          such  amount  mentioned  in Clause 2 above,  until the date  Chaparral
          shall obtain the financing  from any source  including but not limited
          to financial institutions or shareholders,  but not later than May 15,
          1997.

     4.   Koksal  will be  entitled  to  apply  all  remedies  mentioned  in the
          Purchase Agreement if Chaparral fails to make the payment mentioned in
          Clause 2 above before the date mentioned in Clause 3 above.

     5.   All other  provisions of the Purchase  Agreement which are not changed
          in this Amendment will stay valid and binding the Parties.

     This Amendment is signed in duplicate copies on the date indicated above.



/s/                                             /s/
   ------------------------------                  -----------------------------
Guntekin Koksal                                 Chaparral Resources, Inc.


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