EXHIBIT 1
AGREEMENT
Pursuant to Rule 13d-1(k) promulgated under the Securities Exchange Act of
1934, as amended, the undersigned agree that the Schedule 13D to which this
Agreement is attached as Exhibit 1 is filed on behalf of each of us. This
Agreement may be executed in two or more counterparts, each of which shall be
deemed an original, but all of which together shall constitute one and the same
agreement.
June 17, 2002 OCCIDENTAL PETROLEUM CORPORATION
By: /s/ XXXXXXX X. XXXXXX
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Name: Xxxxxxx X. Xxxxxx
Title: Chief Financial Officer and Executive Vice
President - Corporate Development
OCCIDENTAL C.O.B. PARTNERS
by OXY USA Inc., its managing partner
By: /s/ XXXXXXX X. XXXXXX
-------------------------------------------------
Name: Xxxxxxx X. Xxxxxx
Title: Executive Vice President
PLACID OIL COMPANY
By: /s/ XXXXXXX X. XXXXXX
-------------------------------------------------
Name: Xxxxxxx X. Xxxxxx
Title: Executive Vice President
OXY USA INC.
By: /s/ XXXXXXX X. XXXXXX
-------------------------------------------------
Name: Xxxxxxx X. Xxxxxx
Title: Executive Vice President
Page 19 of 20 Pages
OCCIDENTAL OIL AND GAS HOLDING CORPORATION
By: /s/ XXXXXXX X. XXXXXX
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Name: Xxxxxxx X. Xxxxxx
Title: Executive Vice President
OCCIDENTAL PETROLEUM INVESTMENT CO.
By: /s/ J. R. XXXXXX
-------------------------------------------------
Name: J. R. Xxxxxx
Title: Vice President and Treasurer
Page 20 of 20 Pages
