MOUNTAIN VIEW, Calif., March 27 /PRNewswire-FirstCall/ -- Synopsys, Inc. (NASDAQ: SNPS), a world leader in semiconductor design software, announced today that its Board of Directors has replenished its stock repurchase authorization. Under the replenished program, the Company may repurchase Synopsys common stock with a market value up to $500 million on the open market. Purchases may be made beginning immediately and ending at such time as the authorized funds are spent or the Company discontinues the program. All purchases shall be made at prevailing prices and will be funded from available working capital. Since the previous authorization granted in December 2004 and through January 31, 2007, Synopsys repurchased an aggregate of 14.4 million shares.

About Synopsys

Synopsys, Inc. is a world leader in 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. Any other trademarks or registered trademarks mentioned in this release are the intellectual property of their respective owners.

  Press Contact:
  Yvette Huygen
  Synopsys, Inc.
  650-584-4547
  yvetteh@synopsys.com

  Investor Contact:
  Lisa L. Ewbank
  Synopsys, Inc.
  650-584-1901

SOURCE: Synopsys, Inc.

CONTACT: press, Yvette Huygen, +1-650-584-4547, or yvetteh@synopsys.com,
or investors, Lisa L. Ewbank, +1-650-584-1901, both of Synopsys, Inc.

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