Investor Relations

We are a global provider of instruments, subsystems and process control solutions that measure, monitor, deliver, analyze, power and control critical parameters of advanced manufacturing processes to improve process performance and productivity for our customers. Our products are derived from our core competencies in pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, residual gas analysis, leak detection, control technology, ozone generation and delivery, power, reactive gas generation, vacuum technology, lasers, photonics, sub-micron positioning, vibration control, optics. and laser-based manufacturing solutions for the micro-machining industry. We also provide services relating to the maintenance and repair of our products, installation services and training. Our primary served markets include the semiconductor, industrial technologies, life and health sciences, research and defense.

Please direct questions concerning transfer of shares, lost certificates or related inquiries to:

American Stock Transfer & Trust Company
59 Maiden Lane
New York, New York 10038
Phone: 800-937-5449 (weekdays from 9:00 am to 5:00 pm Eastern time)
Fax: 718-236-2641
www.amstock.com
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