TranSwitch and Centillium to Jointly Participate in Broadband World Forum Europe 2008

Business Wire, Sept 25, 2008

SHELTON, Conn. -- TranSwitch([R]) Corporation (NASDAQ: TXCC), and Centillium Communications Inc. (NASDAQ: CTLM) will jointly present their latest carrier-class semiconductor solutions for the converging voice, data and video network at Broadband World Forum 2008 in Booth # 288, at the Brussels Expo Center, Brussels, Belgium, September 29 - October 2.

TranSwitch announced on July 9, 2008 that it is in the process of acquiring Centillium, thus creating a new global leader in communications ICs for next-generation converged wireline and wireless networks for voice, video and data services. The combined company will have a comprehensive product portfolio for Broadband Access (encompassing both GEPON and GPON), Carrier Ethernet, Voice-over-IP and Wireless Backhaul.

Experts from TranSwitch and Centillium will be available to discuss details of the companies' latest product offerings including the latest member of the Atlanta([R]) Communications Processor and the Diplomat([R])-ONT GPON solution based on TranSwitch's recently announced programmable Taurus[TM] platform. The TranSwitch / Centillium booth will also feature several live demonstrations of products from both companies, including the Diplomat([R])-IP Access processor and Packet-SID IEEE 1588v2 based sync-over-packet network device from TranSwitch as well as an end-to-end Voice-over-IP implementation combining Centillium's Entropia([R]) and Atlanta([R]) product families.

About TranSwitch Corporation

TranSwitch Corporation (NASDAQ: TXCC) designs, develops and markets innovative semiconductors that provide core functionality and complete solutions for voice, data and video communications network equipment. As a leading supplier to telecom, datacom, cable television and wireless markets, TranSwitch customers include the major OEMs that serve the worldwide public network, the Internet, and corporate Wide Area Networks (WANs). TranSwitch devices are inherently flexible, many incorporating embedded programmable microcontrollers to rapidly meet customers' new requirements or evolving network standards by modifying a function via software instruction. TranSwitch implements global communications standards in its VLSI solutions and is committed to providing high-quality products and services. TranSwitch, Shelton, CT, is an ISO 9001:2000 registered company. For more information, visit www.transwitch.com.

About Centillium Communications Inc.

Centillium Communications, Inc. (NASDAQ: CTLM) delivers highly innovative communications processing technology for global systems vendors targeting service provider, enterprise and consumer markets. Centillium's high performance Systems-on-Chip (SoC) products power leading edge optical, Voice- over-Internet Protocol (VoIP), security and data systems requiring top quality, highly integrated, very low power processing solutions that help minimize the energy footprint of communications networks. With a long heritage of technology leadership and first-to-market product development, Centillium provides semiconductor solutions that keep customers and end users at the forefront of the communications evolution. Centillium is a global company with headquarters in Fremont, CA. Additional information is available at http://www.centillium.com.

Forward-looking statements in this release, including statements regarding management's expectations for future financial results, anticipated expense savings and synergies, the combined company's products, revenue opportunities and prospects, and the timing of the proposed merger, are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Investors are cautioned that these forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from those contained in the forward-looking statements, including without limitation the potential inability to complete the proposed merger because conditions to the closing may not be satisfied; the risk that the two companies' businesses will not be integrated successfully and without delay; the risk that the transaction may involve unexpected costs or unexpected liabilities; uncertainties concerning the effect of the transaction on relationships with customers, employees and suppliers of either or both companies; and other risks associated with TranSwitch's and Centillium's businesses such as the risks associated with acquiring new businesses; the risk of downturns in economic conditions generally and in the telecommunications and data communications markets and the semiconductor industry specifically; risks in product development and market acceptance of and demand for TranSwitch's products and products developed by TranSwitch's customers; risks relating to TranSwitch's indebtedness; risks of failing to attract and retain key managerial and technical personnel; risks associated with foreign sales and high customer concentration; risks associated with competition and competitive pricing pressures; risks associated with investing in new businesses; risks of dependence on third-party VLSI fabrication facilities; risks related to intellectual property rights and litigation; risks in technology development and commercialization; and other risks detailed in TranSwitch's and Centillium's filings with the Securities and Exchange Commission