Common Contracts

Monterey, California 8 April 2008 SELLER’S SALES CONTRACT No. 161.07.xxxx-S BUYER’S PURCHASE CONTRACT No. XXXXXXXXX

Century Aluminum Co • August 11th, 2008 • Primary production of aluminum

• Company
  Century Aluminum Co
• Filed
  August 11th, 2008
• Industry
  Primary production of aluminum

This Agreement is made as of 8 April 2008 (the “Effective Date”) between Century Aluminum Company, 2511 Garden Road, Building A, Suite 200, Monterey, CA 93940, USA (the “Buyer”) and GLENCORE AG, Baarermattstrasse 3, CH-6341, Baar, Switzerland (the “Seller”).

SELLER’S SALES CONTRACT No. 161.06.27133-S

Century Aluminum Co • May 11th, 2006 • Primary production of aluminum

• Company
  Century Aluminum Co
• Filed
  May 11th, 2006
• Industry
  Primary production of aluminum

This Agreement is made on 26 April 2006 (the “Effective Date”) between Century Aluminum of West Virginia Inc., Route 2 South Ravenswood, West Virginia 26164, USA (the “Buyer”) and GLENCORE AG, Baarermattstrasse 3, CH-6341, Baar, Switzerland (the “Seller”).