Green Equity Investors VII, L.P. sold WCC

Footnotes

Represents shares of common stock, par value $0.01 per share, of WESCO International, Inc. (the "Issuer" and such common stock, the "Common Stock") sold by Green Equity Investors VII, L.P. ("GEI VII").; Represents shares owned by GEI VII.; GEI Capital VII, LLC ("Capital") is the general partner of GEI VII and Green Equity Investors Side VII, L.P. ("GEI Side VII"). Leonard Green & Partners, L.P.("LGP") is the management company of GEI VII and GEI Side VII, and an affiliate of Capital. LGP Management, Inc. ("LGPM") is the general partner of LGP.; Each of GEI VII, GEI Side VII, LGP, LGPM, and Capital, directly (whether through ownership or position), or indirectly through one or more intermediaries, maybe deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of some or all of the Common Stock owned by GEI VII or GEI Side VII, and, therefore, a "ten percent holder" hereunder.; Each of GEI Side VII, LGP, LGPM, and Capital disclaims beneficial ownership of the Common Stock reported on this row, except to the extent of its pecuniary interest therein, and, with respect to GEI VII, except to the extent of its direct ownership reported herein, and this report shall not otherwise be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.