Company to Webcast Conference Call Live at 10 a.m.

CSP Inc. (NASDAQ: CSPI), a provider of IT solutions, systems integration services and dense cluster computing systems, announced that it will issue its second-quarter fiscal 2009 financial results before the market opens on Wednesday, May 6, 2009.

CSP Chairman and Chief Executive Officer Alexander R. Lupinetti, and Chief Financial Officer Gary W. Levine will host a conference call at 10:00 a.m. (ET) that morning to review the financial results and provide a business update. To listen to a live webcast of the call, please visit the “Investor Relations” section of the Company’s website at www.cspi.com. Individuals may also listen to the call via telephone, by dialing (877) 709-8155 or (201) 689-8881. Interested parties unable to participate in the live call may access an archived version of the webcast on CSP’s website.

About CSP Inc.

Based in Billerica, Massachusetts and founded in 1968, CSP Inc. and its subsidiaries develop and market best-of-breed IT solutions, systems integration services, and high-performance computer systems. CSP’s Systems segment includes the MultiComputer Division, which supplies high-performance Linux cluster systems for a broad array of defense applications, including radar, sonar and surveillance signal processing. The Company’s MODCOMP, Inc. subsidiary, also part of its Service and Systems Integration segment founded in 1970, is a leading provider of IT solutions and systems integration services for complex IT environments. MODCOMP works with third parties to develop cutting edge solutions in the global IT markets and has offices in the U.S., U.K. and Germany. More information about CSP is available on the company’s website at www.cspi.com. To learn more about MODCOMP, Inc., consult www.modcomp.com.

CSP Inc.
Gary Levine, 978-663-7598 ext. 1200
Chief Financial Officer
Fax: 978-663-0150