Synopsys To Acquire inSilicon

Acquisition Will Expand Intellectual Property Portfolio and Add World-Class Design Team

Structure of the Transaction
The acquisition will be effected by means of a cash tender offer for all of the outstanding shares of inSilicon at a cash purchase price of $4.05 per share, followed by a back-end merger in order to purchase any untendered shares. Synopsys will also assume certain inSilicon stock options in the transaction. Phoenix Technologies, which owns approximately 69% of the outstanding shares of inSilicon, has agreed to tender those shares to Synopsys. A special committee of independent directors of inSilicon has reviewed the transaction on behalf of the inSilicon stockholders unaffiliated with Phoenix Technologies.

Forward Looking Statements
This press release contains forward-looking statements within the meaning of the safe harbor provisions of Section 21E of the Securities Exchange Act of 1934, including statements regarding the expected benefits of the acquisition. These statements are based on Synopsys' and inSilicon's current expectations and beliefs. Actual results could differ materially from the results implied by these statements. Factors that may cause or contribute to such differences include: the risk that the conditions to the merger set forth in the merger agreement will not be satisfied, changes in both companies' businesses during the period between now and the closing, developments in obtaining regulatory approvals for the transaction; the successful integration of inSilicon into Synopsys' business subsequent to the closing of the acquisition; timely development, production and acceptance of products after completion of the proposed acquisition; increasing competition in the market for silicon intellectual property; the ability to retain key management and technical personnel of inSilicon; adverse reactions to the proposed transaction by customers, suppliers and strategic partners and other risks described in Synopsys' report on Form 10-Q filed with the Securities and Exchange Commission (SEC) on June 17, 2002 (pp. 25-30) and on inSilicon's report on Form 10-Q filed with the Securities and Exchange Commission (SEC) on May 10, 2002 (pp. 21-28). Synopsys and inSilicon are under no obligation to (and expressly disclaim any such obligation to) update or alter their forward-looking statements whether as a result of new information, future events or otherwise.

About inSilicon
inSilicon Corporation (Nasdaq:INSN) is a leading provider of connectivity semiconductor intellectual property used by semiconductor and systems companies to design systems-on-chip that are critical components of innovative wired and wireless products. inSilicon's technology provides customers faster time-to-market, reduced risk, and lower development cost. The company's broad portfolio of analog and mixed-signal products and enabling connectivity technologies, including USB, PCI, Ethernet, IEEE-1394, JPEG, and Java™ Accelerators are used in a wide variety of markets encompassing communications, consumer, computing, multimedia, and office automation.

About Synopsys
Synopsys, Inc. (Nasdaq:SNPS), headquartered in Mountain View, California, creates leading electronic design automation (EDA) tools for the global electronics market. The company delivers advanced design technologies and solutions to developers of complex integrated circuits, electronic systems and systems on a chip. Synopsys also provides consulting and support services to simplify the overall IC design process and accelerate time to market for its customers. Visit Synopsys at http://www.synopsys.com .

The description contained herein is neither an offer to purchase nor a solicitation of an offer to sell shares of inSilicon. At the time the tender offer is commenced, Ferrite Acquisition Corp. and Synopsys intend to file a Tender Offer Statement on Schedule TO containing an offer to purchase, forms of letters of transmittal and other documents relating to the tender offer, and inSilicon intends to file a Solicitation/Recommendation Statement on Schedule 14D-9 with respect to the tender offer. Ferrite Acquisition Corp., Synopsys and inSilicon intend to mail these documents to the stockholders of inSilicon. These documents will contain important information about the tender offer and stockholders of inSilicon are urged read them carefully when they become available. Stockholders of inSilicon will be able to obtain a free copy of these documents (when they become available) at the website maintained by the Securities and Exchange Commission at www.sec.gov. In addition, stockholders will be able to obtain a free copy of these documents (when they become available) from Synopsys by contacting Synopsys at 700 East Middlefield Road, Mountain View, California 94043, attention: Investor Relations, or from inSilicon by contacting inSilicon at 411 East Plumeria Drive, San Jose, California 95134, attention: Investor Relations.

Synopsys and DesignWare are registered trademarks of Synopsys Inc. inSilicon is a trademark of inSilicon Corporation. All other trademarks or registered trademarks mentioned in this release are the intellectual property of their respective owners.