I, the undersigned,  H. Guntekin Koksal, hereby declare that, I have transferred
125,000 shares of Central Asian  Petroleum  (Guernsey)  Limited  ("CAP-G") which
represents  25% of the total  capital of CAP-(G) to  Chaparral  Resources,  Inc.
("Chaparral")  and receive  the cash and shares of  restricted  common  stock of
Chaparral  as agreed with  Chaparral.  Furthermore,  Chaparral  will  provide me
additional  200,000 more shares of restricted  common stock of Chaparral  before
March 1, 1998.

Now therefore I, declare to undertake irrevocably that;

I have released Chaparral and CAP-(G) from any and future liabilities and claims
related to my shares in CAP-(G);

I have agreed to waive my right to have a lien on certain CAP(G) shares;

I have no additional rights,  claims,  demands,  losses, costs,  liabilities and
expenses arising out of this share assignment;

I have waived all my rights  regarding the  liabilities of CAP(G) in the past or
may occur in the future;

I have waived all my rights  regarding the  liabilities of Chaparral in the past
or may occur in the future;

I will  hold  harmless  and  indemnify  CAP(G)  and  Chaparral  from any and all
liabilities and claims as a result of this share assignment; and

I  resign  from   directorship   in  the  Board  of   Directors  of  CAP(G)  and
Karakudukmunay  JV; provided however,  Chaparral shall deliver 200,000 shares of
restricted  common  stock of Chaparral  not later than March 1, 1998.  Chaparral
shall also endeavor to register these shares as earliest as possible.


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H. Guntekin Koksal