SiWorks Inc. Becomes First Semiconductor Intellectual Property Company to Join WiMAX

Calgary, Canada - June 10th, 2003 - SiWorks Inc. a leading provider of semiconductor design services and semiconductor intellectual property (IP), today announced that it has become the first semiconductor intellectual property company to join the World Interoperability for Microwave Access forum (WiMAX). The company is actively marketing and developing semiconductor intellectual property cores to support the IEEE 802.16a and ETSI HiperMAN wireless standards for broadband wireless access in metropolitan access networks (WMAN). SiWorks plans to engage with other WiMAX members to assist and support the development of semiconductor chipsets for these new wireless standards.

"SiWorks is pleased to become the first semiconductor IP company to join WiMAX. SiWorks will support semiconductor companies and OEMs who are developing WiMAX certified 802.16a and ETSI HiperMAN chipsets with an extensive portfolio of silicon proven semiconductor IP cores that have been developed specifically for high data rate wireless communication IC designs," says Roger Bertschmann, President and co-Founder of SiWorks. SiWorks has significant expertise in the development of OFDM baseband integrated circuits and offers silicon proven semiconductor IP cores for wireless communication integrated circuit designs.

The company plans to announce several new semiconductor 802.16a and ETSI HiperMAN semiconductor IP cores later this year.

About SiWorks Inc.

SiWorks is a leading provider of semiconductor design services and semiconductor intellectual property. SiWorks specializes in analog, digital and mixed-signal integrated circuit design for wired and wireless communications. SiWorks has successfully completed complex integrated circuit designs for both start-up and established semiconductor companies in Canada and the United States. The company has assembled a team of talented design engineers with over 80 years of experience in design of integrated circuits. SiWorks is a privately held Canadian corporation with offices in Calgary, Alberta Canada. For more information, please visit the SiWorks web site: www.siworks.com.

About WiMAX

The WiMAX (World Interoperability for Microwave Access) Forum, is a nonprofit corporation formed to help promote and certify the compatibility and interoperability of broadband wireless access devices using the IEEE* 802.16 wireless MAN specification and to help accelerate the introduction of these devices into the marketplace.

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