Shareholders of Sierra Systems Approve Sale to Golden Gate Capital

Sierra Systems Group Inc. (TSX: SSG) has announced today that its shareholders voted to adopt the Plan of Arrangement with Golden Gate Capital. Contingent on completion and satisfaction of other customary conditions, Sierra Systems expects the transaction with Golden Gate Capital will be completed in early 2007.

About Golden Gate Capital

Golden Gate Capital is a San Francisco-based private equity investment firm with approximately $2.8 billion of capital under management. Golden Gate Capital is dedicated to partnering with world-class management teams to invest in change-intensive, growth businesses. Golden Gate targets investments in situations where there is a demonstrable opportunity to significantly enhance a company's value. The principals of Golden Gate Capital have a long and successful history of investing with management partners across a wide range of industries and transaction types. For more information, please visit www.goldengatecap.com .

About Sierra Systems

Since 1966, Sierra Systems Group Inc. (TSX: SSG) has been improving the operational performance of our clients by delivering superior information technology and business consulting services. Through our extensive experience in Business Consulting, Solutions Delivery, and Managed Services, Sierra Systems has emerged as a trusted advisor to many leading private and public sector organizations across North America. With offices in Austin, Calgary, Edmonton, Fredericton, Halifax, Hartford, Los Angeles, Olympia, Ottawa, Seattle, Toronto, Vancouver, Victoria, and Winnipeg, our consultants are never far from our clients. In Justice, Health, Government, and various other industries, Sierra Systems continues to win exciting engagements in the face of stiff competition. Visit us at www.SierraSystems.com .

The statements contained in this release that are not historical facts are forward-looking statements that involve risks and uncertainties. Sierra Systems' actual results could differ materially from those expressed or implied by such forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, technological shifts, employee retention, fixed price contract delivery, competition, general economic conditions, foreign exchange and other risks detailed in the Company's Annual Report and other filings with Canadian securities regulatory authorities. We have no responsibility, nor do we intend, to update these forward-looking statements.

Contacts: Sierra Systems Group Inc. Iraj Pourian President & CEO (604) 891-6259 Email: IrajAPourian@SierraSystems.com Sierra Systems Group Inc. Warren L.D. Beach CFO & Corporate Secretary (604) 891-6215 Email: WarrenLDBeach@SierraSystems.com Website: www.SierraSystems.com