Global Brass and Copper Holdings, Inc. (NYSE:BRSS) (the “Company”) today announced the launch of a secondary public offering in the United States of 5,000,000 shares of its common stock. The shares being offered are being sold by the Company’s majority stockholder, which is an affiliate of KPS Capital Partners, LP, and the Company will not receive any of the proceeds of the offering. In addition, the underwriters have the option to purchase from the selling stockholder up to an additional 750,000 shares of common stock, on the same terms and conditions. Goldman, Sachs & Co., Morgan Stanley, William Blair and KeyBanc Capital Markets will act as underwriters for the offering, with Goldman, Sachs & Co. and Morgan Stanley acting as representatives for the underwriters. A registration statement relating to these securities has been filed with the U.S. Securities and Exchange Commission (“SEC”), but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time that the registration statement becomes effective. This press release does not constitute an offer to sell or a solicitation of an offer to buy the securities described above, nor shall there be any sale of such shares of common stock 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. The offering of these securities will be made only by means of a prospectus, copies of which may be obtained from the offices of either: Goldman, Sachs & Co., Attention: Prospectus Department, 200 West Street, New York, NY 10282, Telephone: 1-866-471-2526, Facsimile: 1-212-902-9316 or by emailing firstname.lastname@example.org; or Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, New York 10014, Telephone: 1-866-718-1649, or by emailing email@example.com. About Global Brass and Copper The Company is a leading, value-added converter, fabricator, distributor and processor of specialized copper and brass products in North America. It engages in metal melting and casting, rolling, drawing, extruding and stamping to fabricate finished and semi-finished alloy products from processed scrap, copper cathode and other refined metals. The Company’s products include a wide range of sheet, strip, foil, rod, tube and fabricated metal component products that it sells under the Olin Brass, Chase Brass and A.J. Oster brand names. The Company’s products are used in a variety of applications across diversified end markets, including the building and housing, munitions, automotive, transportation, coinage, electronics/electrical components, industrial machinery and equipment and general consumer end markets. It accesses these end markets through direct mill sales, its captive distribution network and third-party distributors.