WESCO International, Inc. Announces Final Results and Settlement of Its Exchange...

WESCO International, Inc. Announces Final Results and Settlement of Its
Exchange Offer

PITTSBURGH, Aug. 27 /PRNewswire-FirstCall/ -- WESCO International, Inc. (NYSE:
WCC), a leading provider of electrical MRO products, construction materials
and advanced integrated supply procurement outsourcing services, announced
today the final results and settlement of its exchange offer (the "Exchange
Offer") for its outstanding 1.75% Convertible Senior Debentures due 2026 (the
"2026 Debentures") and its 2.625% Convertible Senior Debentures due 2025 (the
"2025 Debentures").

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

The Exchange Offer expired at midnight, New York City time, on August 21,
2009. The Bank of New York Mellon, the exchange agent for the Exchange Offer,
reported that approximately $299.7 million and $129.0 million aggregate
principal amounts of 2026 Debentures and 2025 Debentures, respectively, were
validly tendered and not validly withdrawn prior to the expiration of the
Exchange Offer. The Company accepted for exchange all of the tendered 2026
Debentures and approximately $57.7 million aggregate principal amount of the
2025 Debentures. The final proration factor for the 2025 Debentures was
determined to be approximately 44.7%.

Upon settlement of the Exchange Offer on August 27, 2009, the Company issued a
total of $345.0 million aggregate principal amount of 6.0% Convertible Senior
Debentures due 2029 (the "2029 Debentures") in exchange for accepted 2026
Debentures and 2025 Debentures. Following the settlement of the Exchange
Offer, approximately $0.3 million and $92.3 million aggregate principal
amounts of the 2026 Debentures and the 2025 Debentures, respectively, remain
outstanding.

In settlement of the Exchange Offer, the Company paid an aggregate of
approximately $3.1 million in cash, representing accrued and unpaid interest
payable in respect of exchanged 2026 Debentures and 2025 Debentures and
amounts payable in lieu of fractional 2029 Debentures otherwise issuable under
the terms of the Exchange Offer.

The information agent for the Exchange Offer was Global Bondholder Services
Corporation. The Lead Dealer Managers for the Exchange Offer were Goldman,
Sachs & Co. and Barclays Capital Inc. The Co-Dealer Managers for the Exchange
Offer were Credit Suisse Securities (USA) LLC, Wells Fargo Securities, LLC,
Robert W. Baird & Co. Incorporated and Raymond James & Associates, Inc.

This press release is neither an offer to sell nor a solicitation of an offer
to buy any securities.

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 6,400 people, maintains relationships with
over 23,000 suppliers, and serves more than 115,000 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.

Daniel A. Brailer, Vice President, Treasurer and Investor Relations, WESCO
International, Inc., +1-412-454-2271, Fax, +1-412-454-2477