Beacon Roofing Supply, Inc. Announces Pricing of Initial Public Offering of Common Stock

September 22, 2004

PEABODY, Mass.--(BUSINESS WIRE)--Sept. 22, 2004--Beacon Roofing Supply, Inc. (Nasdaq: BECN), a leading distributor of roofing materials in key metropolitan markets in the Northeast, Mid-Atlantic, Southeast and Southwest regions of the United States and in Eastern Canada, today announced the public offering of 13.5 million shares of common stock at a price of $13.00 per share. In the offering, the Company is selling 8.5 million shares and selling stockholders of the Company are selling 5.0 million shares. In addition, certain selling stockholders have granted the underwriters a 30-day option to purchase up to an additional 2,025,000 shares of common stock to cover over-allotments, if any.

The Company will use the net proceeds from this offering to repay debt and redeem warrants. The Company will not receive any of the proceeds from the sale of shares by the selling stockholders.

J.P. Morgan Securities Inc. is acting as sole book-running manager and joint lead manager of the offering and William Blair & Company, L.L.C. is also acting as joint lead manager. The shares will begin trading on The NASDAQ Stock Market's National Market under the symbol "BECN" on September 23, 2004.

The common stock offering may be made only by means of prospectus, copies of which may be obtained by contacting:

         J.P. Morgan Securities Inc.
         Prospectus Department
         One Chase Manhattan Plaza, Floor 5B
         New York, NY  10081
         Telephone: 212-552-5164

William Blair & Company, L.L.C. Prospectus Department 222 West Adams Chicago, IL 60606 Telephone: 800-621-0687

A registration statement relating to these securities was declared effective by the Securities and Exchange Commission. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

CONTACT: Beacon Roofing Supply, Inc. David Grace, 877-645-7663

SOURCE: Beacon Roofing Supply, Inc.