C-MAC Takes up and Pays for The Shares of DY 4 Systems Inc.

Business Editors

MONTREAL--(BUSINESS WIRE)--Nov. 24, 2000

C-MAC (TSE:CMS.) (NYSE:EMS)

C-MAC Industries Inc. ("C-MAC") announces that over 95% of the Common Shares of DY 4 Systems Inc. ("DY 4 Systems") were tendered pursuant to its offer (the "Offer") of October 20, 2000 for all of the outstanding Common Shares of DY 4 Systems in exchange for Common Shares of C-MAC, thereby exceeding the condition that a minimum of 90 percent of the outstanding Common Shares be validly deposited under the Offer. The Offer expired at 5:00 p.m. (Montreal time) on November 24, 2000.

C-MAC will take up and pay forthwith for all the Common Shares of DY 4 Systems tendered pursuant to the Offer.

C-MAC now intends to exercise its right of compulsory acquisition under the Business Corporations Act (Ontario) to acquire the remaining Common Shares not tendered under the Offer. It is expected that an application will thereafter be made to The Toronto Stock Exchange to delist the Common Shares of DY 4 Systems.

ABOUT C-MAC

C-MAC is a leading internationally diversified designer and manufacturer of integrated electronic manufacturing solutions, from components to full systems, primarily serving the communications, automotive, instrumentation, defense and aerospace equipment markets worldwide. C-MAC services also include product design, supply chain management, and assembly and testing. C-MAC, headquartered in Montreal (Quebec, Canada), employs more than 8,800 employees and operates 47 manufacturing facilities located in Belgium, Canada, China, France, Germany, India, Mexico, the United Kingdom and the United States. C-MAC's manufacturing operations are supported by six strategically located design centers in North America and Europe. C-MAC (CMS) stock is traded on The Toronto Stock Exchange and the New York Stock Exchange (EMS). For additional information, visit our web site at http://www.cmac.com

C-MAC has filed a registration statement on Form F-8, a tender offer statement on Schedule 14D-1F and two appointments of agent for service of process and undertaking on Form F-X (one in relation to Form F-8, and one in relation to Schedule 14D-1F) with the Securities and Exchange Commission ("SEC"). WE URGE INVESTORS TO READ THE RELEVANT DOCUMENTS THAT C-MAC HAS FILED AND WILL FILE WITH THE SEC REGARDING THE TAKEOVER BID DESCRIBED ABOVE BECAUSE THEY CONTAIN IMPORTANT INFORMATION.

Investors will be able to obtain copies of the Form F-8, Schedule 14D-1F and the Forms F-X filed with the SEC from the SEC's Public Reference Room at 450 Fifth Street, N.W., Washington, D.C. 20549, Telephone [phone], Fax [phone], Email: [e-mail]. In addition, documents (excluding any exhibits) filed with the SEC by C-MAC will be available free of charge from the Secretary of C-MAC at 1010 Sherbrooke Street West, Suite 1610, Montreal, Quebec, Canada H3A 2R7, Telephone: [phone]. Investors will also be able to obtain certain of the relevant documents at http://www.sedar.com. READ THE FINAL DOCUMENTS REGARDING THE TAKEOVER BID CAREFULLY BEFORE MAKING A DECISION CONCERNING THE TAKEOVER BID.