The Diagnostic Solutions unit maintains headquarters in Manchester, UK, and specializes in support of complex electronically controlled vehicles throughout their lifecycle from design through manufacture to service.

Separately, GenRad announced that it has signed an agreement to be acquired by Teradyne, Inc., [NYSE: TER].

"For over a year, we have sought to tighten our business focus, leverage the competitiveness of our products and enhance the value of our shareholders' investment," said Robert M. Dutkowsky, GenRadês chairman, president and CEO. "A major advantage of the Diagnostic divestiture is that the unit will focus its strategic energies on developing the potential of the telematics and automotive service markets," Dutkowsky concluded.

About Teradyne

Teradyne (NYSE: TER) is the world's largest supplier of automatic test equipment and is also a leading supplier of high performance interconnection products and total systems integration services. Teradyne's automatic test products are used by manufacturers of semiconductors, circuit assemblies and voice and broadband telephone networks. Teradyne's high-technology components and electronic manufacturing services are used by manufacturers of communications and computing systems central to building networking infrastructure. The company had sales of $3 billion in 2000 and currently employs about 9000 people worldwide. For more information visit www.Teradyne.com.

About GenRad

GenRad Inc. [NYSE: GEN] a global leader in electronics testing and production solutions serving the worldês leading original equipment [OEM] and electronics manufacturing services [EMS] markets. GenRadês customers manufacture a wide range of advanced technology products ranging from computer, telecommunications and broadband networking devices to wireless products and enterprise hardware. With 37 offices in 22 countries, GenRad is comprised of four business units, each providing integrated hardware, software and service solutions

• Process Solutions develops products that enhance and optimize manufacturing processes. The unit's hardware products focus on in-circuit testing, x-ray imaging and rework solutions. Its software products address global supply chain collaboration and execution including Design-to-Build (D2B) software tools.
• Functional Solutions focuses on functional test platforms for manufacturers of telecommunications, computers and automotive electronics.
• Diagnostic Solutions Diagnostic Solutions focuses on service bay and manufacturing solutions for transportation OEMs and independent service providers.
• Support and Services Support and Services focuses on maintenance programs, on-site and remote support, and training to help customers optimize their hardware and software solutions

Founded in 1915, GenRad employs about 1,300 people with worldwide headquarters in Westford, MA, USA. Listed on the New York Stock Exchange since 1978, GenRadês Web address is www.GenRad.com.

Required SEC Filing

This communication may be deemed to be solicitation material in respect of the proposed acquisition of GenRad by Teradyne, pursuant to an Agreement and Plan of Merger, dated as of August 1, 2001, by and between GenRad and Teradyne. This filing is being made in connection with Regulation of Takeovers and Security Holder Communications [Release No. 33-7760] promulgated by the Securities and Exchange Commission [SEC]. GenRad and its directors and executive officers may be deemed to be participants in the solicitation of proxies in respect of the transactions contemplated by the Agreement and Plan of Merger.

Information concern any direct or indirect interest in the proposed merger of GenRad's directors and executive officers, including their beneficial ownership of GenRad common stock and the terms of change of control or similar arrangements with certain of GenRad's executive officers, may be found in GenRad's proxy statement filed with the SEC under Schedule 14A on April 6, 2001. The proxy statement is available for free both on the SEC's Web site [http://www.sec.gov] or by contacting Investor Relations at GenRad at 978-589-7000.

In connection with the proposed merger, Teradyne will file a registration statement on Form S-4 with the SEC. Shareholders of GenRad and other investors are encouraged to read the registration statement, including the proxy statement-prospectus that will be part of the registration statement, because it will contain important information about the merger. After the registration statement is filed with the SEC, it will be available for free, both on the SEC's Web site [http://www.sec.gov] and from Teradyne and GenRad.