WJ Communications Selects Global Communication Semiconductors, Inc. as Additional Foundry Provider

WJ Communications, Inc. (NASDAQ: WJCI), a leading designer and supplier of RF solutions for the wireless infrastructure and RFID reader markets, today announced that it has entered into a second-source strategic foundry arrangement with Global Communication Semiconductors, Inc. (GCS). GCS will second-source WJ's product portfolio with foundry service for GaAs and InGaP HBT wafers under the terms of its agreement.

"We're pleased to add GCS as a foundry for InGaP HBT and GaAs technology; this advantage provides our customers with two qualified sources, thereby ensuring a steady supply of wafers," said Mark Knoch, vice president of WJ's operations. "This recent activity strengthens WJ's position as an RF semiconductor leader and further positions us to deliver advanced technology and capability to our customers, at competitive costs."

"GCS is proud to partner with companies, like WJ Communications, who recognize the technical skill and capability to develop high-performance, cost-effective devices," commented Jerry Curtis, Chief Executive Officer of GCS. "We look forward to collaborating in a successful business relationship with WJ as they continue their leadership in delivering high quality and reliable products to the wireless infrastructure marketplace."

About WJ Communications

WJ Communications, Inc. is a leading provider of radio frequency (RF) solutions serving multiple markets targeting wireless communications, RF identification (RFID), and broadband cable. WJ addresses the RF challenges in these multiple markets with its highly reliable amplifiers, mixers, RF integrated circuits (RFICs), RFID reader modules, chipsets, and multi-chip (MCM) modules. For more information visit www.wj.com or call 408-577-6200.

About Global Communication Semiconductors Inc.

Global Communication Semiconductors, Inc., based in Torrance, California, an ISO 9001-2000 certified company, provides compound semiconductor foundry services to the wireless telecommunication and high-speed networking industries. GCS currently offers foundry service for both InGaP and InP HBT processes, PHEMT power amplifier and switch processes and provides optoelectronic foundry services for PIN diodes and lasers used in the fiber optic communication market. Additional information may be found at www.gcsincorp.com .

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Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995:

This release contains forward-looking statements including statements as to the plans and objectives of management for the future operations, and statements as to the Company's expectation regarding the future economic performance, financial condition or results of operations. These forward-looking statements are not historical facts but rather are based on current expectations and our beliefs. Words such as "may," "will," "expects," "intends," "plans," "believes," "seeks," "could," and "estimates" and variations of these words and similar expressions are intended to identify forward-looking statements. The Company's actual results may differ materially from those projected in these forward-looking statements as a result of a number of factors, including the success of the new foundry agreement; our actual performance in our efforts to bring advanced technologies and capabilities to our customers at competitive costs; the Company's Risk Factors as contained in the Form 10-K for year ended 2004 and such other factors as described from time to time in the Company's filings with the Securities & Exchange Commission. Readers of this release are cautioned not to place undue reliance on these forward-looking statements. The Company undertakes no obligation to publicly update or revise the forward-looking statements contained herein to reflect changed events or circumstances after the date of this press release.

WJCI Contacts: Editorial and PR: Leah McLean Ph: 408-577-6411 Email: Email Contact Financial: Rainer Growitz Ph: 408-577-6268 Email: Email Contact