Exhibit 1
AGREEMENT
This will confirm the agreement by and among all the undersigned that
the Schedule 13D filed on or about this date with respect to the beneficial
ownership of the undersigned of shares of the common stock of Plains Resources
Inc. is being filed on behalf of each of the entities named below. 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
instrument.
Dated: April 13, 2004
LEUCADIA NATIONAL CORPORATION
By: /s/ ▇▇▇▇▇▇ ▇. Orlando
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Name: ▇▇▇▇▇▇ ▇. Orlando
Title: Vice President and
Chief Financial Officer
PERSHING SQUARE, L.P.
By: PERSHING SQUARE GP, LLC
By: /s/ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
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Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
Title: Managing Member
PERSHING SQUARE GP, LLC
By: /s/ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
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Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
Title: Managing Member
By: /s/ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
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Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
