WESCO International, Inc. to Announce Third Quarter 2009 Earnings on October 22, 2009
Conference Call and Live Webcast Scheduled for 11:00 A.M. ET

PITTSBURGH, Oct. 7 /PRNewswire-FirstCall/ -- WESCO International, Inc. (NYSE: WCC), a leading provider of electrical MRO products, construction materials and advanced integrated supply procurement outsourcing services, will announce third quarter 2009 earnings on Thursday, October 22nd, before the opening of the New York Stock Exchange. The Company will host a conference call at 11:00 A.M. Eastern Time that day to discuss the earnings results with securities analysts and institutional investors.

(Logo: http://www.newscom.com/cgi-bin/prnh/20030508/WCCLOGO )

The call will be available via conference call as well as a live audio webcast that can be accessed by clicking on the microphone icon on WESCO's home page at the www.wesco.com website. The call replay will be available on the WESCO website through midnight, Wednesday, October 28th, 2009.

    Dial in for the call is as follows:

    Conference telephone number:

    Participant Dial In: 800-860-2442
    International Dial In:  +1 412-858-4600
    Confirmation Code: Ask for the "WESCO" conference call

    Replay:  877-344-7529
    International Replay: +1 412-317-0088
    Replay available from 1:00 PM ET October 22nd, 2009 thru midnight
    ET October 28th, 2009.
    Confirmation Code:    434107

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. 2008 annual sales were approximately $6.1 billion. The Company employs approximately 7,200 people, maintains relationships with over 24,000 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 fully automated distribution centers and approximately 400 full-service branches in North America and select 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, 2008, as well as the Company's other reports filed with the Securities and Exchange Commission.

SOURCE WESCO International, Inc.

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SOURCE: WESCO International, Inc.

Web site: http://www.wesco.com/