Beacon Roofing Supply to Present at William Blair & Company 2005 Growth Stock Conference

May 26, 2005

PEABODY, Mass.--(BUSINESS WIRE)--May 26, 2005--Beacon Roofing Supply, Inc. (Nasdaq: BECN) today announced that Robert Buck, President & Chief Executive Officer, and David Grace, Chief Financial Officer, are scheduled to present at the William Blair & Company 2005 Growth Stock Conference taking place June 21-23, 2005 at the The Four Seasons Hotel, Chicago, Illinois.

Beacon Roofing Supply, Inc. is a leading distributor of roofing materials and complementary building products with 80 branches in key metropolitan markets in the Northeast, Mid- Atlantic, Southeast and Southwest regions of the United States and in Eastern Canada.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding Beacon Roofing Supply Inc.'s business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report or Form 10-K for the most recently ended fiscal year.

CONTACT: Beacon Roofing Supply, Inc.
Dave Grace, CFO, 978-535-7668 x14

SOURCE: Beacon Roofing Supply, Inc.