Beacon Roofing Supply, Inc. Announces Acquisition

April 28, 2005

PEABODY, Mass.--(BUSINESS WIRE)--April 28, 2005--Beacon Roofing Supply, Inc. (Nasdaq: BECN) announced today the acquisition of Insulation Systems, Inc. ("ISI"), a distributor of commercial roofing and other complementary building products with locations in Roanoke and Virginia Beach, Va.

ISI is a successful and growing company and represents an excellent opportunity for Beacon to expand its commercial distribution business further into the attractive Virginia market. ISI was founded in 1987 and generated net sales of approximately $19 million for the year ended December 31, 2004.

Jack Smith, President of ISI, stated, "Our associates are excited about joining a growing and successful public company such as Beacon and we look forward to working with the Beacon associates to help grow their commercial roofing business."

Robert Buck, CEO of Beacon, stated, "Jack has built an outstanding company with an excellent leadership team. ISI will strengthen our commercial business in the southeastern region of the United States. They have hard-working employees who share our commitment to quality products and customer service."

About Beacon Roofing Supply Inc.:

Beacon Roofing Supply, Inc. is a leading distributor of roofing materials and complementary building products operating 79 branches in key metropolitan markets 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, CFO, 978-535-7668

SOURCE: Beacon Roofing Supply, Inc.