Bristol, UK – September 26, 2007 – ClearSpeed Technology (LSE:CSD), the world leader in acceleration for high performance computing (HPC), and Sun Microsystems, a leading provider of innovative IT solutions, today announced that ClearSpeed's Advance accelerator boards have been added to Sun's price list. ClearSpeed's leading edge technology can now be offered to clients in Government and University Research Laboratories, Financial Services, and Life Sciences sectors who are seeking the highest performance and efficiency levels.

ClearSpeed accelerates the most compute-intensive applications commonly used in HPC. Its Advance Accelerator boards consume minimal power and can be deployed in servers, clusters and workstations to boost performance efficiently. Together, ClearSpeed and Sun have already propelled the Tokyo Institute of Technology in Japan to the number one supercomputing spot in Asia and number 14 in the world, with a combined performance of 48 TFLOPS.

"Our partnership with ClearSpeed means that we can offer even better and more efficient performance to our customers", Dr. Simon See, director of HPC Solutions - Systems Practice at Sun commented. "HPC is a major growth area and many of our clients will benefit from the addition of application acceleration technology to their data centers. Sun's expertise in system design, configuration, and support will bring ClearSpeed's technology to them in a low risk, energy-efficient solution."

"We are delighted to have been selected by Sun as part of their HPC strategy. To work with a world class vendor such as Sun to deliver low risk, accelerated systems to our key customers has always been our desire", said Tom Beese, ClearSpeed chief executive officer. “This is a clear demonstration of the value of our technology to the HPC markets and an opportunity to offer our products to customers within the wrapper of a well-respected and trusted brand."

About Sun Microsystems, Inc.
A singular vision -- "The Network Is The Computer" -- guides Sun in the development of technologies that power the world's most important markets. Sun's philosophy of sharing innovation and building communities is at the forefront of the next wave of computing: the Participation Age. Sun can be found in more than 100 countries and on the Web at http://sun.com.

About ClearSpeed
ClearSpeed Technology is a semiconductor company that develops massively parallel coprocessors and accelerator boards delivering unmatched performance per watt for high performance computing applications on industry standard systems. ClearSpeed has offices in San Jose, California and Bristol, UK and has over 50 patents granted with additional pending.