WESCO International, Inc. Announces Agreement to Acquire J-Mark Inc.

PITTSBURGH, Nov. 1 /PRNewswire-FirstCall/ -- WESCO International, Inc. (NYSE: WCC), a leading provider of electrical MRO products, construction materials, and advanced integrated supply procurement outsourcing services, today announced that it has acquired J-Mark Inc. headquartered in Phoenix, Arizona. J-Mark, with four locations in the United States and annual sales of approximately $30 million, is one of the leading providers of interior products and components to the manufactured housing industry.

Stephen A. Van Oss, WESCO's Senior Vice President and Chief Financial and Administrative Officer stated, "We are pleased to have the J-Mark organization join WESCO. The addition of J-Mark will improve upon our existing position in the manufactured housing industry. The acquisition should be immediately accretive to earnings."

James H. Johnson, J-Mark's President and Chief Executive Officer commented, "The opportunity to join with WESCO strengthens J-Mark's ability to better serve our customers. Additionally, we see our offshore sourcing capabilities as being strategic to WESCO."

WESCO International, Inc. (NYSE: WCC) is a publicly traded Fortune 500 holding company, headquartered in Pittsburgh, Pennsylvania, whose primary operating entity is WESCO Distribution, Inc. WESCO Distribution is a leading distributor of electrical construction products and electrical and industrial maintenance, repair and operating (MRO) supplies, and is the nation's largest provider of integrated supply services. 2006 annual sales were approximately $5.3 billion. The Company employs approximately 7,100 people, maintains relationships with over 26,000 suppliers, and serves more than 110,000 customers worldwide. Major markets include commercial and industrial firms, contractors, government agencies, educational institutions, telecommunications businesses and utilities. WESCO operates seven automated distribution centers and approximately 400 branches in North America and selected international markets, providing a local presence for area customers and a global network to serve multi-location businesses and multi-national corporations.

The matters discussed herein may contain forward-looking statements that are subject to certain risks and uncertainties that could cause actual results to differ materially from expectations. Certain of these risks are set forth in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2006, as well as the Company's other reports filed with the Securities and Exchange Commission.

SOURCE WESCO International, Inc.
CONTACT: Stephen A. Van Oss, Senior Vice President and Chief Financial
and Administrative Officer, of WESCO International, Inc., +1-412-454-2271
Fax: +1-412-454-2477
Web site: http://www.wesco.com