Beacon Roofing Supply, Inc. Announces Acquisition

September 8, 2005

PEABODY, Mass.--(BUSINESS WIRE)--Sept. 8, 2005--Beacon Roofing Supply, Inc. (Nasdaq: BECN) ("Beacon") announced today the acquisition of Commercial Supply, Inc. ("CSI"), a distributor of complementary building products with one small location in Holyoke, Mass.

CSI is a successful company and represents an excellent opportunity for Beacon to introduce its full product line and expand its distribution business further into the Western Massachusetts and Northern Connecticut markets. CSI's sales volume for their most recent fiscal year ended December 31, 2004 was $1.4 million. CSI was founded in 1991 as Commercial Fastener & Supply.

Steven Grande, manager and prior owner of CSI, stated, "We are excited about joining a large and growing public company like Beacon and expanding their business in our market. We look forward to offering their full product assortment and services to our customers."

Bill Logie, Beacon's New England Regional VP, stated, "CSI has an excellent customer base and selection of complementary building products that will further benefit from Beacon's extensive line of building products and services. We are pleased to welcome them into the Beacon family."

About Beacon Roofing Supply Inc.:

Beacon Roofing Supply, Inc. is a leading distributor of roofing materials and complementary building products operating 83 branches in 16 states in the Northeast, Mid-Atlantic, Southeast and Southwest regions of the United States and in Eastern Canada.

Forward-Looking Statements:

This release contains information about management's view of the Company's future expectations, plans and prospects that constitute forward-looking statements for purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including, but not limited to, those set forth in the "Risks Relating to Our Business and Industry" section of the Company's latest Form 10-K. In addition, the forward-looking statements included in this press release represent the Company's views as of the date of this press release and these views could change. However, while the Company may elect to update these forward-looking statements at some point, the Company specifically disclaims any obligation to do so other than as required by federal securities laws. These forward-looking statements should not be relied upon as representing the Company's views as of any date subsequent to the date of this press release.

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

SOURCE: Beacon Roofing Supply, Inc.