Tessera and Walton Advanced Engineering Enter into Amended License Agreement

Tessera Technologies, Inc. (Nasdaq:TSRA), a leading provider of miniaturization technologies for the electronics industry, today announced it has signed an amended licensing agreement with Walton Advanced Engineering, Inc., providing Walton access to Tessera’s compliant chip (TCC) semiconductor packaging technology for use with Walton’s DRAM packaging services. The amended agreement strengthens Walton’s position as a leading provider of high-performance packaging for DDR2 and DDR3 memory. Walton currently utilizes Tessera's TCC packaging technology with several different types of semiconductor devices. Walton provides integrated assembly and test services for various memory devices and CMOS camera modules. "Producers of DDR2 memory in Taiwan are in the early stages of a substantial production ramp to support the increasing demand for high-performance DRAM memory, particularly for PCs and laptop computers,” said John Yu, CEO of Walton. "Our expanded relationship with Tessera provides Walton access to packaging solutions incorporating Tessera’s TCC technology that include the industry leading solution for reliable, high-performance CSP packaging for DDR2 memory. Walton is ready with memory packaging and test solutions and manufacturing capacity to support the needs of DDR2 memory producers.” "In order to meet tight design and time to market requirements, memory suppliers are demanding high-quality, efficient and reliable turnkey services,” said Steve Chen, Tessera’s senior vice president, licensing and business development. "Tessera is pleased to be working closely with Walton, one of the industry’s leading memory and assembly testing service providers, to help customers meet their design and assembly requirements for DDR2 and DDR3 products, and we look forward to expanding our relationship with Walton in the future.” About Tessera Technologies, Inc. Tessera Technologies, through its wholly-owned subsidiaries Tessera, Inc., Tessera Israel, and Digital Optics Corporation, is a leading provider of miniaturization technologies for the electronics industry. Tessera enables new levels of miniaturization and performance by applying its unique expertise in the electrical, thermal, and mechanical properties of materials and interconnects, as well as in micro-optics structures. As a result, Tessera's technologies are widely adopted in high-growth markets including consumer, computing, communications, medical and defense. Tessera's customers include the world's top semiconductor companies such as Intel, Samsung, Renesas, Toshiba and Texas Instruments. The company's stock is traded on the Nasdaq National Market under the symbol TSRA. Tessera is headquartered in San Jose, California. www.tessera.com. Safe Harbor Statement This press release contains forward-looking statements, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements involve risks and uncertainties that could cause actual results to differ significantly from those projected. Factors that might cause or contribute to such differences include, but are not limited to, fluctuations in Tessera's operating results due to the timing of new license agreements and royalties, Tessera's ability to protect its intellectual property and the risk of a decline in demand for semiconductor products. You are cautioned not to place undue reliance on the forward-looking statements, which speak only as of the date of this release. Tessera's filings with the Securities and Exchange Commission, including its Annual Report on Form 10-K for the year ended December 31, 2005, and its Quarterly Report on Form 10-Q filed for the quarter ended June 30, 2006 include more information about factors that could affect the company's financial results. Note: Tessera, and the Tessera logo are registered trademarks of Tessera, Inc. All other company, brand and product names may be trademarks or registered trademarks of their respective companies.