Westwind to Exhibit at JPCA Show 2007

Westwind to Exhibit at JPCA Show 2007 Westwind Air Bearings, the world¡¯s leading air bearing spindle supplier to the PCB industry, will be exhibiting at the JPCA Show 2007, held from 30th May to 1st June 2007, at Tokyo Big Sight, Japan. Located in Booth #6N-13, Westwind will be exhibiting a range of their latest spindle technologies including the ¡®Storm¡¯ 200,000 rpm PCB drilling spindle, Westwind¡¯s fastest full range spindle ever. With a full speed range operation of 20,000 ¨C 200,000 rpm true shaft speed, the Westwind D1787 ¡®Storm¡¯ offers greater performance through improved small hole drilling and low air flow and low current. Furthermore, the Storm has the lowest power requirements on the market and is equipped for the industry standard 1/8¡± collet for high collet torque. Itsuro Ishii, General Manager Sales & Marketing, GSI Group Japan Corporation - Westwind Air Bearings Division, said: ¡°We are excited to be exhibiting our latest spindle technologies at the JPCA Show. We continue to offer unrivalled service to our Japanese end users and machine OEMs and look forward to talking to anyone about how Westwind spindles can increase their productivity.¡± Westwind Air Bearings, a division of GSI Group, is universally recognised as a world leader in the design and manufacture of air bearing spindle systems, with facilities in the UK, Japan, People¡¯s Republic of China, and Taiwan R.O.C. GSI Group Inc. develops and delivers the enabling technology solutions that bring advanced manufacturing applications to life. Our leading brands include precision motion products, lasers, and laser systems, and are used to increase efficiency and productivity in the global medical, semiconductor, electronics, and industrial markets. The company¡¯s common shares are listed on Nasdaq (GSIG). For more information, please visit www.westwind-airbearings.com.