EXHIBIT 99.1

SUMMIT DESIGN, INC. ANNOUNCES PRELIMINARY FINANCIAL RESULTS FOR THE SECOND
QUARTER OF 1999


     BEAVERTON, ORE. -- JULY 7, 1999 -- Summit Design, Inc. (Nasdaq: SMMT) today
announced preliminary financial results for the second quarter of 1999.  For the
quarter, the company expects to report total revenue of approximately $7.1
million. The company also expects to report a loss per share between $0.06 and
$0.08 (or between $0.00 per share and a $0.02 loss per share excluding
amortization of intangibles and goodwill).  The Company currently expects to
release final results for the quarter on July 27, 1999.

     The information in this release regarding expected second quarter results
is forward-looking and preliminary.  Actual final results for the quarter could
differ depending on adjustments made during the routine process of closing the
quarter and management review.  For a more detailed discussion of these and
other risk factors, interested parties should review Summit's public reports
filed with the Securities and Exchange Commission, including Summit's Report on
Form 10-K for the year ended December 31, 1998 and the Form 10-Q for the first
quarter ended March 31, 1999.

     Summit Design, Inc. is a leading international supplier of engineering
software products in the areas of high-level design creation, analysis and
verification.  The world's top electronics companies use Summit products to
increase engineering productivity, reduce development time and improve the
quality of their products.  Summit is located at 9305 S.W. Gemini Drive,
Beaverton, Ore., 97008; (503)643-9281.


Contact:

Summit Design, Inc., Al Koob 503/643-9281