Massachusetts

BILLERICA, MA, May 5, 2010 - CSP Inc (NASDAQ: CSPI), a provider of IT solutions, systems integration services and dense cluster computing systems, today reported financial results for the second quarter of fiscal 2010 ended March 31, 2010.

For the second quarter of fiscal 2010, CSP Inc. total sales increased 6.3% to $23.9 million from $22.5 million in the second quarter of fiscal 2009. Net income for the second quarter of fiscal 2010 increased 367% to $989,000, or $0.28 per diluted share, from net income of $212,000, or $0.06 per diluted share, in the second quarter of fiscal 2009.

For the first six months of fiscal 2010, CSP Inc. sales declined 8.6% to $42.6 million from $46.6 million in the first six months of fiscal 2009. Net income for the fiscal 2010 six-month period decreased 57% to $247,000, or $0.07 per diluted share, from net income of $570,000, or $0.16 per diluted share, for the first six months of fiscal 2009.

The Company's cash and short-term investments were $12.3 million as of March 31, 2010 compared with $18.9 million for the fiscal year ended September 30, 2009. The decrease was primarily the result of a $7.4 million increase in receivables due to orders received toward the end of the quarter. CSP's cash position may vary significantly from quarter to quarter due to the high working capital requirements needed to fund large projects at both its Systems and its Services and Systems Integration segments.

Management Comments on the Quarter

"CSP reported a solid performance on both the top- and bottom-line in the second fiscal quarter, and we are encouraged by positive trends in our markets," said CSP Chairman and Chief Executive Officer Alexander R. Lupinetti. "Total revenue increased by 6% in the second quarter of fiscal 2010 compared with the same period in fiscal 2009, driven by strength at our Systems segment. Net income for the second quarter more than tripled on a year-over-year basis, primarily as a result of product mix and increased sales volume leverage."

"Our Systems segment, which focuses on very high speed digital signal processing for defense electronics applications, led our recovery during the quarter," said Lupinetti. "Much of the 78% increase in year-over-year Systems segment growth was generated by the shipment of two FastCluster 220R Multicomputer systems and related services to Raytheon for a total of $3.7 million. We continue to expect to record more than $3 million in high-margin royalty revenues in the second half of the year to provide state-of-the-art radar processing capabilities for Lockheed Martin's E2D Advanced Hawkeye intelligence, surveillance and reconnaissance (ISR) aircraft. Looking forward, we will continue to pursue new opportunities to leverage our MultiComputer technology to meet the Defense Department's next-generation ISR requirements."

"At our Service and Systems Integration business, which declined by 4% year over year, we believe that corporate IT spending has begun to slowly improve," said Lupinetti. "At the same time, pricing remains difficult and our margins continue to be pressured. A key component of our long-term strategy is to drive stronger sales of our higher-margin consulting and managed services offerings by establishing relationships with best-of-breed IT systems, software and services channel partners."

"We are cautiously optimistic as we enter the second half of fiscal 2010," said Lupinetti. "We have reported two consecutive quarters of sequential revenue growth and the sales pipelines and market trends in both of our segments appear to be positive. Longer term, we are well positioned to capitalize on higher-margin opportunities to profitably grow the Company."

Conference Call Details

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) today to review CSP's 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. For interested parties unable to participate in the live call, an archived version of the webcast will be available for one year 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.

Safe Harbor

The Company wishes to take advantage of the "Safe Harbor" provisions of the Private Securities Litigation Reform Act of 1995 with respect to statements that may be deemed to be forward-looking under the Act. Such forward-looking statements may include, but are not limited to, expectations to record more than $3 million in high-margin royalty revenues in the second half of the year from Lockheed Martin, pursuing new opportunities to leverage our MultiComputer technology to meet the Defense Department's next-generation ISR requirements, expectations that corporate IT spending is improving, plans to drive stronger sales of higher-margin managed services offerings by establishing relationships with best-of-breed IT systems, software and services channel partners, and management's cautious optimism as it enters the second half of fiscal 2010. The Company cautions that numerous factors could cause actual results to differ materially from forward-looking statements made by the Company. Such risks include general economic conditions, market factors, competitive factors and pricing pressures, and others described in the Company's filings with the SEC. Please refer to the section on forward-looking statements included in the Company's filings with the Securities and Exchange Commission

Service and System

Systems Integration Consolidated

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