NASSCO Delivers the Double-Hull Oil Tanker Alaskan Explorer to BP Oil Shipping Company

March 22, 2005 — SAN DIEGO, CA — National Steel and Shipbuilding Company (NASSCO:, a wholly owned subsidiary of General Dynamics (NYSE: GD), has delivered the Alaskan Explorer, the second of four Alaska-class double-hull oil tankers being built for BP Oil Shipping Company, USA, a subsidiary of BP p.l.c. (ADR: BP).