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YTL Communications Commits to Purchase 1 Million Units
of GCT Semiconductor WiMAX Single-Chips

Executives from YTL Communications and GCT mark the purchase commitment
during a sign off ceremony today in Kuala Lumpur

San Jose. CA, February 21, 2010 - GCT® Semiconductor, a leading supplier of Mobile WiMAX@trade; solutions to the global market, today announced a purchase commitment from YTL Communications Sdn Bhd of one million units of WiMAX single-chips including GCT's GDM7205 WiMAX single chips and GDM7215 WiMAX/WiFi dual-mode single chips.

The sign off ceremony, taking place today in Kuala Lumpur, celebrates YTL Communications' commitment and marks GCT's dedication to fully support YTL Communications with their deployment of nation-wide 4G service in Malaysia. GCT will share technical expertise and provide YTL Communications with the most advanced and lowest power WiMAX chips available on the market today, making YTL Communications' vision of creating a complete eco-system with nation-wide mobile Internet service using 4G a reality. YTL Communications will consign the purchased one million units to key ODMs selected to provide innovative 4G devices to YTL Communications this year.

YTL Communications is poised to become the first in the world to launch a nation-wide 4G network offering state-of-the art mobile Internet connectivity to Malaysia. GCT is the market leader in providing WiMAX single-chip solutions worldwide, holding the largest market share based on WiMAX chipsets sold and number of WiMAX subscribers currently using GCT's technology.

"Today's announcement marks another important milestone for YTL Communications," said its CEO Wing K. Lee. "Central to our ecosystem building effort is to drive economy of scale through our effort to build the world's first nation-wide 4G network. This significant order - amongst the largest in WiMAX history - ensures our future customers will have the best price-performance in 4G products and solutions. GCT is a key player in the 4G chipset ecosystem with its WiMAX solution that offers class leading power consumption and mobility performance. We are confident that with GCT's market-proven solution and expertise, we will achieve our goal to leapfrog Malaysia into a Broadband Nation," added Lee.

"We are pleased to further participate and contribute to YTL Communications' 4G deployment with this strong commitment," said Dr. Kyeongho "KH" Lee, President and CEO of GCT Semiconductor. "This one million-unit commitment from YTL Communications will firmly secure GCT's undisputed leading market share position, and allow the company to maintain more than 60 percent market share this year, with design wins from over 40 countries, including Malaysia, Korea, Japan, Russia and USA."

About YTL Communications

YTL Communications Sdn Bhd is the communications utility of YTL Power International Berhad which is a subsidiary of a Malaysian based conglomerate, YTL Corporation Berhad. The Company has been awarded a licence from the Malaysian Communications and Multimedia Commission (MCMC) to operate a 2.3 GHz wireless broadband network in Malaysia providing affordable, world-class services that improve the way people in Malaysia work, learn and play. With a strong financial backing from the parent company and the technological know-how from strategic, best-in-breed partners such as Cisco, Clearwire, GCT and Samsung, YTL Communications will roll out the world's first nation-wide 4G network in 2010. As a responsible corporate citizen, YTL Communications is committed to bridging the digital divide between the urban and rural communities, improving the quality of life, and supporting efforts to promote technological innovation. For more information, visit:

About YTL Power International

YTL Power International is a utility group active across key segments of the utility industry worldwide. Headquartered in Malaysia and listed on Bursa Malaysia (market capitalization RM12.9 billion (USD 3.8 billion) as at 31 October 2009), it operates in the UK, Singapore, Australia and Indonesia. Its core businesses include: power generation, retail and transmission, water and sewerage services. YTL Communications represents YTL Power International's first investment in the communications business. YTL Power International is a subsidiary of YTL Corporation Berhad.  For more information, visit:

About GCT Semiconductor, Inc.

GCT Semiconductor is a leading fabless semiconductor company that produces innovative integrated circuit solutions for the wireless communications industry. With its proven radio frequency (RF) CMOS and system-on-a-chip (SOC) expertise, GCT provides state-of-the-art single-chip CMOS RF transceivers, mobile digital TV receivers and Mobile WiMAX solutions serving 3G and 4G mobile system manufacturers by reducing BOM cost, lowering power consumption and minimizing total solution size. For more information, please visit

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Contact a member of our GCT media team

Simon Lee
Product Marketing Director
GCT Semiconductor, Inc.
Tel : +1-408-434-8039

John Schlaefer
Chief Operating Officer
GCT Seminconductor, Inc.
Tel: +1-408-434-8021