Shake Shack Announces Closing of its Initial Public Offering

Shake Shack Inc. (“Shake Shack” or the “Company”), today announced the closing of its initial public offering of 5,750,000 shares of its Class A common stock at a public offering price of $21.00 per share. The number of shares issued at closing included the exercise in full of the underwriters’ option to purchase 750,000 additional shares. All of the shares were offered by Shake Shack. Shake Shack received approximately $112.3 million in proceeds from the offering, net of underwriting fees, but before estimated offering expenses.

J.P. Morgan Securities LLC and Morgan Stanley & Co. LLC acted as joint lead book-running managers in the offering. Barclays Capital Inc., Goldman, Sachs & Co., and Jefferies LLC also acted as book-running managers in the offering. William Blair & Company, L.L.C. and Stifel acted as co-managers in the offering.

A registration statement relating to these securities was declared effective by the Securities and Exchange Commission on January 29, 2015. This press release shall not constitute an offer to sell or a 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.

The offering was made only by means of a prospectus. A copy of the final prospectus related to the offering may be obtained from: J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, or by calling toll-free at (866) 803-9204; or Morgan Stanley & Co. LLC, 180 Varick Street, 2nd Floor, New York, NY 10014, Attention: Prospectus Department.

About Shake Shack

Shake Shack^® is a modern day “roadside” burger stand known for its delicious burgers, hot dogs, frozen custard, crinkle cut fries, beer, wine and more. With its fresh, simple, high-quality food at a great value, Shake Shack is a fun and lively community-gathering place with widespread appeal. From its premium ingredients and progressive hiring practices to its environmentally responsible designs and deep community investment, Shake Shack’s mission is to Stand For Something Good®. Since the original Shack opened in 2004 in NYC’s Madison Square Park, the Company has opened additional company-operated Shacks in New York, New Jersey, Washington, D.C., Connecticut, Georgia, Illinois, Pennsylvania, Florida, Massachusetts, Virginia, and Nevada, and international licensed Shacks in London, Istanbul, Dubai and more.