Synopsys, Inc. (NASDAQ: SNPS), the world leader in semiconductor design software, will hold its Investor Day conference on Tuesday, March 22, 2005.

Synopsys Investor Day 2005 will be carried live on the Internet at the Synopsys corporate website at http://www.synopsys.com/corporate/invest/invest.html on Tuesday, March 22, 2005 at 8:30 a.m. EST (5:30 a.m. PST). To access the live audio webcast, please go to the website at least 10 minutes early to register and to download and install any necessary audio software. The webcast replay can be accessed at the Synopsys corporate website within 2 hours after the conclusion of the live event.

About Synopsys

Synopsys, Inc. is a world leader in electronic design automation (EDA) software for semiconductor design. The company delivers technology-leading semiconductor design and verification platforms and IC manufacturing software products to the global electronics market, enabling the development and production of complex systems-on-chips (SoCs). Synopsys also provides intellectual property and design services to simplify the design process and accelerate time-to-market for its customers. Synopsys is headquartered in Mountain View, California and has offices in more than 60 locations throughout North America, Europe, Japan and Asia. Visit Synopsys online at http://www.synopsys.com/.

NOTE: Synopsys is a registered trademark of Synopsys, Inc. All other trademarks or registered trademarks mentioned in this release are the intellectual property of their respective owners.

SOURCE: Synopsys, Inc.

CONTACT: investors, Lisa Ewbank of Synopsys, Inc., +1-650-584-1901, or
lewbank@synopsys.com

Web site: http://www.synopsys.com/