JOINT FILING AGREEMENT

EXHIBIT 1

JOINT FILING AGREEMENT

     Each of the undersigned hereby agrees to the joint filing on behalf of each of them pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, of this Amendment No. 3 to the statement on Schedule 13D with respect to the common stock, par value $0.01 per share, of Century Aluminum Company. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

     IN WITNESS WHEREOF, the undersigned hereby execute this Agreement, this 8th day of July, 2008.

	Glencore Investment Pty Ltd
	By:	/s/     Xxxx Xxxxxxxxxxx
		Name:	Xxxx Xxxxxxxxxxx
		Title:	Director
	By:	/s/     Marc Ocksay
		Name:	Marc Ocksay
		Title:	Director
	Glencore Investments AG
	By:	/s/     Xxxxxxx Xxxxxxx
		Name:	Xxxxxxx Xxxxxxx
		Title:	Director
	By:	/s/     Xxxxxx Xxxxxx
		Name:	Xxxxxx Xxxxxx
		Title:	Director
	Glencore AG
	By:	/s/     Xxxxxx Xxxxx
		Name:	Xxxxxx Xxxxx
		Title:	Officer
	By:	/s/     Xxxxxxx Xxxxxxx
		Name:	Xxxxxxx Xxxxxxx
		Title:	Director
	Glencore International AG
	By:	/s/     Lotti Grenacher Xxxxxxx
		Name:	Lotti Grenacher Xxxxxxx
		Title:	Officer
	By:	/s/     Xxxxxxx Xxxxxxx
		Name:	Xxxxxxx Xxxxxxx
		Title:	Officer

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	Glencore Holding AG
	By:	/s/     Xxxxx X. Xxxxxxxxxx
		Name:	Xxxxx X. Xxxxxxxxxx
		Title:	Chairman
	By:	/s/     Xxxxxxx Xxxxxxx
		Name:	Xxxxxxx Xxxxxxx
		Title:	Director

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