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MARLBORO, Mass.----Sept. 18, 2000--Innoveda, Inc. (Nasdaq:INOV), a leading provider of software and services for the design of advanced electronic products, today announced Windows NT-based software that couples VxSim(TM), a host-compiled RTOS emulation tool from Wind River Systems, Inc. (Nasdaq:WIND), with Innoveda's V-CPU(TM) co-verification tool. The combination of V-CPU ``Implicit Access'' technology for host compiled programs with VxSim makes this solution unique and applicable for high-level firmware verification. It enables users to run all levels of system software including application code and software IP with a co-verification tool. This software now runs on Windows NT 4.0, HP-UX and Sun Solaris platforms.

V-CPU executing with VxSim enables embedded system designers to begin full system testing earlier in the design process and speeds product development. First public showing of this enhanced software will take place at the Embedded Systems Conference, to be held Sept. 24-28 in San Jose, Calif.

A license for the V-CPU RTOS support package with VxSim is available immediately from Innoveda for U.S. $10,000. A V-CPU license also is required. A VxSim license is available from Wind River.

``Innoveda and Wind River collaborated on the port in response to many software engineers who use Windows NT on their desktops,'' said Steven D. Anderson, product marketing manager at Innoveda. ``Embedded system software developers using V-CPU with VxSim on Windows NT can shave weeks or months off tight product development schedules. This new port brings the fastest software execution environment for RTOS code to the popular NT platform and provides links to hardware models for early system integration testing without requiring users to modify their code.''

``Wind River constantly strives to provide our customers with versatile and innovative solutions for embedded system development. Innoveda's V-CPU in conjunction with VxSim serves the needs of hardware developers, in addition to our traditional customer base of software developers,'' said Caroline Yao, group manager of partner solutions at Wind River. ``This enables a truly collaborative design approach, helping developers get to market faster.''

Productivity Gains

For software engineers, V-CPU coupled with VxSim provides early access to a virtual prototype of their target hardware, so they can run their embedded system software. It features a complete Wind River Tornado® development environment on the host workstation and provides automated launching of the simulated target hardware. The tool enables high-speed software execution environment that can be linked to many popular processor models for system integration testing. Memory and register accesses to the simulated hardware require no changes to the source code. This integration allows software engineers to run all levels of their system software including software IP, hardware driver code and application code that rely on the underlying RTOS.

For hardware engineers, V-CPU combined with VxSim provides a complete hardware debug environment using existing Verilog and VHDL logic simulation tools. It enables true system simulation using stimulus from embedded system software instead of contrived testbenches. It also features record and playback of bus cycles for debug and regression testing, and can be configured for any processor using bus functional models from such vendors as Motorola, ARM and QED. The integration of Bus Functional Models (BFMs) can be performed by the user or through off-the-shelf models provided by Innoveda. Innoveda also provides consulting services to do the BFM integrations.

About VxSim

VxSim is a complete prototyping and simulation tool for Tornado or VxWorks® applications. It enables application development to begin before hardware becomes available, allowing a large portion of software testing to occur early in the development cycle.

About Innoveda

Innoveda, Inc. (Nasdaq:INOV) is a leading provider of innovative software and services that help engineers visualize, design and build advanced electronic systems sold by companies that participate in the telecommunications, transportation, computers and consumer electronics markets. The company enjoys a rich heritage of technical innovation from the merger of Viewlogic Systems, Inc. and Summit Design, Inc. This forms the foundation of Innoveda's comprehensive electronic product solutions for system level design, design capture, board design and electromechanical design. Headquartered in Marlboro, Mass., Innoveda has offices worldwide. Additional information can be found at: http://www.innoveda.com/

Forward-Looking Statements

This press release includes forward-looking statements that are subject to a number of risks and uncertainties. All statements, other than statements of historical facts included in this press release, regarding Innoveda's strategy, future operations, financial position, prospects, plans, goals and objectives of management are forward-looking statements. When used in this press release, the words ``will'', ``believe'', ``anticipate'', ``intend'', ``estimate'', ``expect'', ``project'', ``plan'' and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. We cannot guarantee future results, levels of activity, performance or achievements, and you should not place undue reliance on our forward-looking statements. Our forward-looking statements do not reflect the potential impact of any future transactions or strategic alliances. Our actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including the ability of Innoveda to successfully integrate its business combinations, the failure of Innoveda's quarterly results to meet market expectations, the impact of financial charges related to business combinations, the intense competition Innoveda faces, Innoveda's ability to develop new products, and the other risks described in the registration statement on Form S-4 (File No. 333-42814) filed on August 2, 2000, as amended, in Innoveda's most recent quarterly report on Form 10-Q and annual report on Form 10-K and other public filings made by Innoveda with the Securities and Exchange Commission, which factors are incorporated herein by reference.

Editor's note:

Innoveda and V-CPU are trademarks of Innoveda, Inc. Wind River Systems, VxSim, and Tornado are registered trademarks or trademarks of Wind River Systems, Inc. Other names are registered trademarks or trademarks of their respective owners.

     North America:
     Ed Canty
     508.303.5291
     ecanty@innoveda.com
     or
     Sarah Miller
     508.303.5254
     smiller@innoveda.com
     or
     Europe/Middle East:
     Peter van der Sluijs
     +44 1442 879222
     peterv@neesham.co.uk
     or
     Asia Pacific:
     Junko Kaneko
     03(3364)5531
     junko@e-e.co.jp