EXHIBIT 11
AGREEMENT
Pursuant to Rule 13d-1(k) promulgated under the Securities Exchange Act of
1934, as amended, the undersigned agree that the Amendment No. 3 to Statement on
Schedule 13D to which this Agreement is attached as Exhibit 11 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.
Dated: March 1, 2000
OCCIDENTAL PETROLEUM CORPORATION
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Vice President and Treasurer
OCCIDENTAL PETROLEUM INVESTMENT CO.
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Assistant Treasurer
OCCIDENTAL CHEMICAL HOLDING CORPORATION
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Vice President and Assistant
Treasurer
OXY CHEMICAL CORPORATION
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Vice President and Treasurer
Page 16 of 17 Pages
OXY CH CORPORATION
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Vice President and Treasurer
OCCIDENTAL CHEMICAL CORPORATION
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Vice President and Treasurer
OCCIDENTAL OIL AND GAS HOLDING CORPORATION
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Vice President and Treasurer
OXY USA INC.
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Vice President and Treasurer
OCCIDENTAL CHEMICAL INVESTMENT (CANADA) 1, INC.
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Assistant Treasurer
OCCIDENTAL CHEMICAL INVESTMENT (CANADA) 2, INC.
By: Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Assistant Treasurer
Page 17 of 17 Pages