SUNNYVALE, Calif. -September 22, 2003- Interwoven Inc. (Nasdaq: IWOV), a world-leading provider of content management for the enterprise, today announced that PMC-Sierra (Nasdaq: PMCS), a leading provider of high-speed broadband communications and storage semiconductors and MIPS-based( processors, has built a Web-based customer support system using the Interwoven content management platform. Interwoven allows PMC-Sierra's customers and employees to contribute and access a vast amount of product data in one centralized location. The Web-based system also enables PMC-Sierra to effectively support its global customer base, facilitating quick responses to common technical queries, as well as 24/7 access to proprietary product information.

"Interwoven has enabled us to dramatically break down the Web publishing bottleneck," said Doug Brownridge, vice president of corporate marketing at PMC-Sierra. "The end result is that we are now able to rapidly transform the frequent customer queries we receive on a daily basis into a searchable repository that can support both our customers and employees. We have replaced the complexity of over 180 extranet sites with one dynamic personalized portal for customers. Proprietary information is kept secure with customer-specific data metatags. Furthermore, Interwoven has enabled us to support multiple authors and contributors for our various product landing pages across development, test, and production environments."

Key benefits:

- Allows customers and employees to contribute and access vast amount of product data in once centralized location;

- Enables replacement of 180 extranets with one dynamic personalized portal for customers;

- Ensures the security of proprietary information by enabling the company to "tag" content with metadata.

"PMC-Sierra is known worldwide for the quality of technical support and documentation it provides to customers," said Kevin Hayden, vice president of corporate marketing at Interwoven. "By providing a powerful content management platform that streamlines the process of capturing and delivering this critical product information to its customer base, Interwoven is helping PMC-Sierra to continue this tradition and strengthen its position in the market." PMC-Sierra is a leading provider of high-speed broadband communications and storage semiconductors and MIPS-based( processors for Enterprise, Access, Metro Optical Transport, Storage Area Networking and Wireless network equipment. The company offers worldwide technical and sales support, including a network of offices throughout North America, Europe and Asia. The company is publicly traded on the NASDAQ Stock Market under the PMCS symbol and is included in the S&P 500 Index, which consists of 500 stocks chosen for market size, liquidity, and industry group representation. For more information, visit www.pmc-sierra.com. Interwoven, Inc. (Nasdaq: IWOV) provides the worlds best-integrated enterprise content management software. Allied with the leading enterprise application providers, the Interwoven 6 platform provides content management for more than 1200 organizations world wide including Air France, Cisco Systems, General Electric, General Motors, and Yamaha. For more information visit www.interwoven.com.tw.