INTERSIL to acquire TECHWELL — adds leadership positions in two high-growth industrial video markets

MILPITAS, CA and SAN JOSE, CA, March 22, 2010 - Intersil Corporation (NASDAQ Global Select: ISIL), and Techwell, Inc. (NASDAQ Global Select: TWLL), announced today they have entered into a definitive agreement for Intersil to acquire Techwell through a cash tender offer at $18.50 per share. Net of Techwell’s cash and equivalents, the transaction values Techwell at approximately $370 million.

Techwell, with over 200 employees in the U.S., China, Japan, South Korea and Taiwan, is a fabless semiconductor company that designs and sells mixed signal video solutions for the security surveillance and automotive infotainment markets. Techwell’s products enable the conversion of analog video signals to digital form and perform advanced digital video processing to facilitate the display, storage and transport of video content. Major applications using Techwell products include industrial DVRs, networked video recorders, multiplexers, as well as automotive front consoles, rearview mirrors and rear seat LCD displays.

“Techwell’s team and products will expand our leadership in two high-growth industrial markets,” said Dave Bell, Intersil’s President and Chief Executive Officer. “The addition of Techwell’s mixed signal video products will help our customers build solutions that improve performance, reduce overall cost and shorten time-to-market. In addition, the acquisition will significantly increase our overall industrial business, which will become our largest end market at approximately 31% of revenue,” continued Mr. Bell.

“We are very excited to join the Intersil family,” said Hiro Kozato, Techwell’s President and Chief Executive Officer. “This combination will help us deliver a much broader product offering in Techwell’s end markets. Intersil’s customer relationships will create numerous new opportunities for the combined company,” said Mr. Kozato.

The acquisition is expected to be accretive to Intersil’s 2010 earnings, excluding one-time costs and other acquisition-related charges.

About Intersil

Intersil Corporation is a leader in the design and manufacture of high-performance analog and mixed signal semiconductors. The Company's products address some of the industry's fastest growing markets, such as flat panel displays, cell phones, notebooks and other handheld systems. Intersil’s product families address power management functions and analog signal processing functions. Intersil products include ICs for battery management, hot-plug controllers, linear regulators, power sequencers, supervisory ICs, bridge drivers, PWM controllers, switching DC/DC regulators, Zilker Labs Digital Power ICs and power MOSFET drivers; optical storage laser diode drivers; DSL line drivers; D2Audio products; video and high-performance operational amplifiers; high-speed data converters; interface ICs; analog switches and multiplexers; crosspoint switches; voice-over-IP devices; and ICs for military, space and radiation-hardened applications. For more information about Intersil or to find out how to become a member of our winning team, visit the Company's web site and career page at http://www.intersil.com/cda/home/.

About Techwell

Techwell is a fabless semiconductor company that designs, markets and sells mixed signal video semiconductor solutions for the security surveillance and automotive infotainment markets. Headquartered in San Jose, CA, Techwell currently has over 200 employees in the U.S., China, Japan, South Korea and Taiwan. Please visit http://www.techwellinc.com/ for more information.