OSI Completes Acquisition of CHI Systems Inc.,

Offshore Systems International Ltd. announced that it has completed the acquisition of CHI Systems Inc. Founded in 1985, CHI is a privately-owned research, development, and engineering company with approximately 70 employees, supplying advanced technology and services that improve the work performance, mission success, and cost effectiveness of its clients. In 2004 CHI reported unaudited revenue of approximately US$12 million. Key customers of CHI include the U.S. Army, Navy, Air Force and Marine Corp.; Defense Advanced Research Projects Agency (DARPA); Northrop Grumman; General Dynamics; and BAE Systems. Under the terms of the agreement OSI paid approximately US$9.0 million for all of the outstanding shares of CHI, of which approximately US$8.1 million was paid in cash from treasury, with the balance paid by the issuance of 1,067,975 OSI common shares. OSI first announced a non-binding letter of intent to acquire CHI on July 11, 2005, followed by its November 8, 2005 press release announcing the signing of a formal agreement. CHI has grown steadily over the last five years and has a record of profitability throughout its history. The acquisition is expected to be immediately accretive to OSI's earnings and will contribute to the consolidated financial results of OSI beginning in the 2006 fiscal first quarter ending February 28.