Lattice Semiconductor Announces Opening of New Corporate Headquarters and R&D Facility

• Company's Rapid Growth Spurs Opening of New 110,000 Sq. Ft. Corporate Headquarters and R&D Facility in Hillsboro, Oregon

HILLSBORO, OR - MAY 1, 2000 - Lattice Semiconductor Corporation (NASDAQ: LSCC) today announced the opening of its new 110,000 square foot corporate headquarters and R&D facility. The new building will accommodate future expansion of the Research & Development, Corporate Marketing and Administrative functions. Existing buildings will be re-deployed to allow for manufacturing expansion to support growing customer demand. Lattice will host its employees, local government officials, business partners and other guests at an official dedication ceremony today.

"Lattice Semiconductor is the largest Oregon-based semiconductor company with annualized sales revenue in excess of $500 million. Our rapid growth coupled with our June 1999 acquisition of Vantis Corporation has created the need for a larger facility," said Cyrus Tsui, Chairman, President and Chief Executive Officer. "Today's opening celebration is a small way of expressing our appreciation for the support we have received from our employees, community and business partners without whom we could not continue to provide innovative products to our worldwide customers in the electronics industry. We are proud of our Oregon roots and pleased to be able to make additional investments in facilities and employees here in Hillsboro."

About Lattice Semiconductor
Oregon-based Lattice Semiconductor Corporation designs, develops and markets the broadest range of high-performance ISP^TM programmable logic devices (PLDs) and offers total solutions for today's advanced logic designs. Lattice introduced in-system programmability to the logic industry in 1992. In June 1999, Lattice acquired Vantis, the corporation that invented the PAL^® device and PLD switch matrix architecture, from AMD. With nearly double the R&D and sales resources, the resulting integrated company will focus on delivering logic products that satisfy the performance, density and ease-of-use requirements of its customers.

Lattice products are sold worldwide through an extensive network of independent sales representatives and distributors, primarily to OEM customers in the fields of communications, computing, computer peripherals, instrumentation, industrial controls and military systems. Company headquarters are located at 5555 NE Moore Court, Hillsboro, Oregon 97124 USA; Telephone 503-268-8000, FAX 503-268-8037. For more information on Lattice Semiconductor Corporation, access our World Wide Web sites at http://www.latticesemi.com.

Lattice Semiconductor, L (stylized) Lattice, PAL, Vantis, and the Vantis logo are either registered trademarks or trademarks of Lattice Semiconductor Corporation and Vantis Corporation in the United States and/or other countries.
GENERAL NOTICE: Other product names used in this publication are for identification purposes only and may be trademarks of their respective holders.