Hybricon Corporation Teams With Parker Hannifin Corporation to Provide Innovative Cooling Solutions

Ayer, MA, February 23, 2006 — Hybricon Corporation, a provider of integrated system solutions, electronic enclosures, and backplanes, and Parker Hannifin Corporation Advanced Cooling Systems announced a co-marketing agreement to leverage each organization’s core capabilities in order to provide more value to customers. Hybricon’s expertise in designing enclosure systems combined with Parker Hannifin’s expertise in liquid and spray evaporative cooling technologies will provide customers with superior liquid cooling system solutions.

According to Robert Sullivan, Hybricon’s Vice President of Technology, “This agreement allows Hybricon to leverage Parker Hannifin’s advanced cooling technology, along with Hybricon’s advanced electronic packaging technology, in order to provide leading edge solutions to our customers. Working together, we can provide superior solutions in new applications that require leading edge cooling technologies.”

According to Cathy Suever, Parker Hannifin’s Business Unit Manager for Advanced Cooling Systems “This agreement will help Parker Hannifin to accelerate deployment of its advanced cooling technology in the embedded computing market, leveraging Hybricon’s packaging experience and technology to provide solutions in applications requiring advanced liquid and/or spray evaporative cooling technology.”

About Hybricon Corporation

Hybricon Corporation provides integrated system solutions to the telecommunications, military, industrial, medical imaging, and semiconductor equipment manufacturing industries. Hybricon ‘s wide range of standard VME, VME64x, CompactPCI, and custom enclosure systems are engineered to meet the most stringent design requirements and provide innovative cooling solutions, EMI/RFI containment, and ruggedized construction. Engineering services including electrical and mechanical design, thermal /airflow modeling and analysis, and signal integrity analysis provide customers with reliable, high performance solutions, enabling faster time-to-market and lowering total cost of ownership. For more information, visit Hybricon’s website at www.hybricon.com.

About Parker Hannifin Corporation

Parker’s Advanced Cooling Systems business has developed a variety of fluid cooling solutions for military and commercial electronics applications that enable system integrators to achieve high compute and bandwidth density in the smallest volume possible. Parker is also involved with VITA Standards Organization (VSO) draft standard’s development working group for VITA 48 “Enhanced Ruggedized Design Implementation” (ERDI) and chairs VITA 50 “Liquid Cooling – Best Practices.”

With annual sales exceeding $8 billion, Parker Hannifin is the world’s leading diversified manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of commercial, mobile, industrial and aerospace markets. The company employs more than 50,000 people in 46 countries around the world. Parker has increased its annual dividends paid to shareholders for 49 consecutive years, among the top five longest-running dividend-increase records in the S&P 500 index. For more information, visit the company’s web site at www.parker.com, or its investor information site at www.phstock.com.