Exhibit 1

     The undersigned agree that the foregoing Amendment No. 6 dated July 20, 2005, to the Schedule 13D filed November 6, 1998, as amended and restated by previously filed Amendments, is being filed with the Securities and Exchange Commission on behalf of each of Louis Dreyfus S.A.S., a corporation organized under the laws of France, Louis Dreyfus Holding Company Inc., a Delaware corporation, and Louis Dreyfus Corporation, a Delaware corporation.

Dated:

	Louis Dreyfus S.A.S.
July 26, 2005	By:	/s/ Gerard Louis-Dreyfus
		Name:	Gerard Louis-Dreyfus
		Title:	Chairman/President
	Louis Dreyfus Holding Company Inc.
July 26, 2005	By:	/s/ Christopher Caperton
		Name:	Christopher Caperton
		Title:	Senior Vice President
	Louis Dreyfus Corporation
July 26, 2005	By:	/s/ Richard D. Gray
		Name:	Richard D. Gray
		Title:	Vice President/Treasurer

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