Synplicity And NEC Electronics Ink Physical Synthesis OEM Agreement
For ISSP Structured ASICs

NEC Electronics Integrates Amplify-ISSP Software into its OpenCAD Design Environment for Use in ISSP Structured ASIC Designs

SUNNYVALE, Calif. and KAWASAKI, Japan — May 24, 2004 — NEC Electronics Corp. (TSE: 6723), a world-leading semiconductor solutions provider, and its global affiliates, and Synplicity, Inc. (Nasdaq: SYNP), a leading supplier of software for the design and verification of semiconductors, today announced the companies have entered into a worldwide OEM agreement whereby NEC Electronics will bundle and distribute a license for Synplicity’s Amplify® ISSP Physical Optimizer™ software within NEC Electronics’ OpenCAD® design environment for use in the development of its Instant Silicon Solution Platform™ (ISSP™) structured ASICs. The Amplify ISSP physical synthesis software is the result of nearly two years of joint development between the two companies to provide their mutual customers with a unique physical synthesis solution customized for NEC Electronics’ ISSP-1 (150nm) and ISSP-90 (90nm) structured ASICs.

Under the terms of the agreement, NEC Electronics will provide the Amplify ISSP software to all of its ISSP customers as the preferred complete physical synthesis design solution. Over the next 12 months, NEC Electronics will bundle the Amplify ISSP software as part of its OpenCAD tool suite. NEC Electronics and Synplicity believe this agreement will enable their mutual customers to achieve better quality of results and faster timing closure for their ISSP devices. Additionally, the Amplify ISSP software will streamline the design flow, and enable rapid layout times with predictable timing closure.

“We recommend ISSP customers use our OpenCAD design environment to achieve best-in-class quality of results and faster timing closure,” said Dr. Hitoshi Yoshizawa, Partner Program Executive, 1st System Operations Unit, NEC Electronics Corporation. “A significant reason for the success of our OpenCAD tool suite is due to the seamless interaction between best-of-breed third-party tools and NEC Electronics’ powerful proprietary software tools. The integration of the Amplify ISSP software has enabled us to deliver to our customers a complete physical synthesis design solution that is all-inclusive within their NRE costs, enabling them to meet their most stringent ISSP performance goals. We are pleased to partner with Synplicity as we see an increasing number of ISSP design starts.”

The design implementation environment for ISSP devices, NEC Electronics’ OpenCAD tool suite provides customers with access to the design tools needed to easily and efficiently complete their ISSP design (RTL to placed-gates) for handoff to an NEC Electronics authorized design center for backend detailed routing. The integration of the Amplify ISSP software within the OpenCAD design environment provides customers with a highly productive physical synthesis solution that delivers optimal results, enabling a “one-pass” design handoff flow for NEC Electronics’ ISSP customers.

“For nearly two years, we have been in joint development with NEC Electronics to develop custom synthesis and physical synthesis software to support its cost-effective, high-performance, fast turn-around ISSP structured ASIC devices,” said Bernard Aronson, president and CEO, Synplicity, Inc. “We believe NEC Electronics’ OpenCAD tool suite provides ISSP designers an ideal design environment to meet their design requirements and we believe the addition of the Amplify ISSP software to the OpenCAD tool suite will enable customers to rapidly achieve highly optimized designs at significantly lower costs. We are pleased NEC Electronics selected the Amplify ISSP software as the synthesis tool to bundle within its OpenCAD design environment and look forward to continuing our commitment to deliver best-in-class synthesis tools for our mutual customers.”

NEC Electronics America and Synplicity are holding a series of instructional seminars, “Discover ISSP Structured ASICs: Your Turn-Around Time Advantage from 150-90nm” during May. These seminars will provide engineers with a detailed, hands-on opportunity to learn about the advantages of ISSP structured ASICs and Amplify ISSP software. Upcoming seminars include Seattle, Wash. (5/25), Portland, Ore. (5/26), and Mountain View, Calif. (5/27). For additional information and registration, visit www.necelam.com/isspseminar or www.synplicity.com/isspseminar.

Availability
Beginning in May 2004, ISSP-1 customers will receive a six-month license of the Amplify ISSP software upon signing an ISSP development contract with NEC Electronics. Beginning in August 2004, ISSP-90 customers will receive a six-month license of the Amplify ISSP software as part of the OpenCAD design environment upon signing an ISSP development contract with NEC Electronics. Additional Amplify ISSP software licenses are available directly from Synplicity. For more information about the OpenCAD tool suite, contact NEC Electronics at http://www.necel.com. For more information about the Amplify ISSP software, contact Synplicity at http://www.synplicity.com. Availability is subject to change.

About Synplicity’s Amplify ISSP Software
The Amplify ISSP Physical Optimizer software carries forward into physical synthesis the joint R&D efforts between NEC Electronics and Synplicity that began in June of 2002. The software performs automatic memory block placement, concurrent full-chip (top-down) legalized placement and customized physical synthesis, timing analysis, and ISSP-specific datapath and arithmetic operator generation. The software is capable of handling any size of design for ISSP flat, without having to partition the design for synthesis, leading to substantially improved area and run time. The tight correlation to NEC Electronics’ place-and-route environment provides a one-pass flow for users of the Amplify ISSP software.

About NEC Electronics’ ISSP Structured ASICs
The ISSP architecture was designed to serve the growing number of applications that require higher complexity and performance than an FPGA but cannot bear the high development costs associated with cell-based ASICs. Each NEC Electronics’ ISSP design begins with a prefabricated master made up of an array of complex multi-gates, embedded IP cores, built-in test circuits, clock domains and power lines. The upper metal layers are easily and quickly placed, routed and fabricated to satisfy the unique requirements of each individual design. ISSP-based products consume much less power than a comparable FPGA and also have lower NRE costs than cell-based ASIC devices.

About NEC Electronics
NEC Electronics Corporation (TSE: 6723) specializes in semiconductor products encompassing advanced technology solutions for the high-end computing and broadband networking markets, system solutions for the mobile handsets, PC peripherals, automotive and digital consumer markets, and platform solutions for a wide range of customer applications. NEC Electronics Corporation has 25 subsidiaries worldwide including NEC Electronics America, Inc. and NEC Electronics (Europe) GmbH. In addition to marketing, selling and supporting NEC Electronics products to customers in their respective regions, NEC Electronics America and NEC Electronics Europe also operate local manufacturing facilities in Roseville, California, and Ballivor, Ireland, respectively. Additionally, NEC Electronics America for North America and NEC Electronics Europe for Europe are the sales and marketing channels of NEC AM-LCD and PDP modules. For additional information about NEC Electronics worldwide, visit www.necel.com.

About Synplicity
Synplicity® Inc. (Nasdaq: SYNP) is a leading supplier of innovative synthesis, verification and physical implementation software solutions that enable the rapid and effective design and verification of semiconductors. Synplicity’s high-quality, high-performance tools significantly reduce costs and time-to-market for FPGA, Structured/Platform ASIC and cell-based/COT ASIC designers. The company’s underlying Behavior Extracting Synthesis Technology® (BEST™), which is embedded in its logical, physical and verification tools, and has led to Synplicity’s top position in FPGA synthesis, now provides the same fast runtimes and quality of results to ASIC and COT customers. The company’s fast, easy-to-use products support industry standard design languages (VHDL and Verilog) and run on popular platforms. Synplicity employs over 270 people in its 20 facilities worldwide. Synplicity is headquartered in Sunnyvale, California. For more information visit http://www.synplicity.com.

Forward-Looking Statements
This press release contains forward-looking statements including, but not limited to, statements regarding the performance and achievements of NEC Electronics Corporation’s OpenCAD design environment and Synplicity’s Amplify ISSP software in conjunction with NEC Electronics’s OpenCAD design environment. In some cases, you will be able to identify forward-looking statements by terminology such as “may,” “will,” “should,” “expects,” “believes” or the negative of these terms or other comparable terminology. These statements are only predictions and involve known and unknown risks, uncertainties and other factors that may cause the actual achievements or performance of the Amplify ISSP software or the OpenCAD design environment to differ materially from the forward-looking statements, including the performance and quality of Synplicity’s software products relative to other comparable software (both individually and used in conjunction with third party software), latent defects, design flaws or other problems with the Amplify ISSP software or the OpenCAD design environment and the growth and changing technical requirements in the Structured ASIC market. For additional information and considerations regarding the risks faced by Synplicity, see its annual report on Form 10-K for the year ended December 31, 2003 as filed with the Securities and Exchange Commission, as well as other periodic reports filed with the SEC from time to time, including its quarterly reports on Form 10-Q. Although Synplicity believes that the expectations reflected in the forward-looking statements are reasonable, Synplicity cannot guarantee the future performance or achievements of its software. In addition, neither Synplicity nor any other person assumes responsibility for the accuracy or completeness of these forward-looking statements. Synplicity disclaims any obligation to update information contained in any forward-looking statement.

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Synplicity, Behavior Extracting Synthesis Technology and Amplify are registered trademarks of Synplicity Inc. BEST is a trademark of Synplicity Inc. OpenCAD is a registered trademark and ISSP and Instant Silicon Solution Platform are trademarks of NEC Electronics Corporation in the United States and/or other countries. All other names mentioned herein are the trademarks or registered trademarks of their owners..

Synplicity Reader Contact:
Joe Gianelli
Synplicity, Inc.
408/215-6000
jgianelli@synplicity.com

Synplicity Press Contact:
Steve Gabriel
Porter Novelli
408/369-1500
steve.gabriel@porternovelli.com

NEC Electronics Press Contacts:
Japan
Sophie Yamamoto
NEC Electronics Corp.
+ 81-44-435-1664
sophie.yamamoto@necel.com

United States
Denise Viereck Garibaldi
NEC Electronics America, Inc.
+ 408-588-6620
denise_garibaldi@necelam.com

Europe
Oliver Luettgen
NEC Electronics GmbH
+ 49-211-6503-1469
luettgeno@ee.nec.de