| COMPANY NAME                                     | STATE OR OTHER JURISDICTION OF INCORPORATION OR ORGANIZATION | NAME UNDER BUSINESS IS CONDUCTED        |
|--------------------------------------------------|--------------------------------------------------------------|-----------------------------------------|
| Berkeley Aluminum, Inc.                          | Delaware                                                     | Berkeley Aluminum, Inc.                 |
| Century Aluminum of West Virginia, Inc.          | Delaware                                                     | Century Aluminum of West Virginia, Inc. |
| Century California, LLC                          | Delaware                                                     | Century California, LLC                 |
| Century Kentucky, Inc.                           | Delaware                                                     | Century Kentucky, Inc.                  |
| Century Bermuda I Limited                        | Bermuda                                                      | Century Bermuda I Limited               |
| Century Aluminum Holdings, Inc.                  | Delaware                                                     | Century Aluminum Holdings, Inc.         |
| Metalsco LLC                                     | Georgia                                                      | Metalsco LLC                            |
| Skyliner LLC                                     | Delaware                                                     | Skyliner LLC                            |
| NSA General Partnership                          | Kentucky                                                     | NSA GP                                  |
| Century Aluminum of Kentucky General Partnership | Kentucky                                                     | Century Aluminum of Kentucky, GP        |
| Hancock Aluminum LLC                             | Delaware                                                     | Hancock Aluminum, LLC                   |
| Century Aluminum of Kentucky LLC                 | Delaware                                                     | Century Aluminum of Kentucky LLC        |
| Century Bermuda II Limited                       | Bermuda                                                      | Century Bermuda II Limited              |
| Nordural U.S. LLC                                | Delaware                                                     | Nordural U.S. LLC                       |
| Nordural Helguvik ehf                            | Iceland                                                      | Nordural Helguvik ehf                   |
| Nordural ehf                                     | Iceland                                                      | Nordural ehf.                           |
| Century Louisiana, Inc.                          | Delaware                                                     | Century Louisiana, Inc.                 |
| Century Aluminum Development LLC                 | Delaware                                                     | Century Aluminum Development LLC        |
| Century Aluminum Congo, S.A.                     | Republic of Congo                                            | Century Aluminum Congo, S.A.            |
| Nordural Grundartangi ehf .                      | Iceland                                                      | Nordural Grundartangi ehf.              |
| Century Aluminum Asia Holdings Limited           | Hong Kong                                                    | Century Aluminum Asia Holdings Limited  |
| Century Mincenco Holdings Limited                | St. Lucia                                                    | Century Mincenco Holdings Limited       |
| Century Aluminum Cooperatief U.A.                | Netherlands                                                  | Century Aluminum Cooperatief U.A.       |
| Century Aluminum B.V.                            | Netherlands                                                  | Century Aluminum B.V.                   |