Sequans and Gemtek Partner on LTE
November 16, 2010

Collaboration to accelerate availability of TD-LTE consumer devices

HONG KONG — November 17, 2010 (Mobile Asia Congress) — 4G chipmaker Sequans and
Gemtek, a leading manufacturer of broadband wireless solutions, announced today that they have
entered into a partnership to speed new LTE consumer devices to market. Gemtek is developing
several devices based on Sequans’ LTE UE chip, including a compact USB dongle and a desktop
CPE. Gemtek and Sequans are readying these and other products for large-scale operator trials
beginning in Q1 2011 and for subsequent commercial deployments.

“Gemtek has an outstanding track record in delivering high quality broadband wireless products to
market and we are pleased to work with them on these new LTE devices,” said Georges Karam,
Sequans CEO. “Gemtek’s skill is evident in their sleek and compact designs and excellent execution.
Our collaboration with Gemtek will yield state-of-the-art LTE consumer devices.”

The new devices are based on Sequans’ SQN3000 series SOCs, which support up to 100 Mbps
throughput and 20 MHz channels, and comply with 3GPP standards.

“Sequans was one of the first providers of TD-LTE chips, and by working closely with them we will
make LTE end-user devices quickly available to operators,” said James Ting, GM, Broadband
Wireless Business Unit, Gemtek. “We are extremely excited about the prospects for the LTE market,
and are happy to partner with Sequans, a technology leader in the 4G industry.”

See Sequans at Mobile Asia Congress in Hong Kong, November 17-18, stand D01.

About Gemtek
Founded in 1991 and based in Taiwan, Gemtek (TSE: 4906) is a world-leading provider of wireless
broadband solutions, offering a wide range of products for residential and business markets. Gemtek
is one of the earliest providers of WLAN products and has core competencies in RF/microwave design,
software engineering, and manufacturing excellence, enabling the company to bring products to
market faster and more economically than others.

About Sequans Communications
Sequans Communications is a 4G chipmaker, supplying LTE and WiMAX chips to equipment
manufacturers and mobile operators worldwide. Founded in 2004 to address the WiMAX market
where it is now a global leader, Sequans expanded in early 2009 to address the LTE market.
Sequans chips are inside leading WiMAX networks worldwide and will soon be inside LTE networks.
Sequans is based in Paris, France with additional offices throughout the world, including USA, United
Kingdom, Israel, Japan, Hong Kong, Singapore, Taiwan, and China. www.sequans.com.

Press contacts: Kimberly Tassin , +1.425.736.0569 Kimberly@sequans.com

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