Marin Software Prices Initial Public Offering

San Francisco, CA – March 21, 2013 – Marin Software Incorporated (NYSE: MRIN) today announced the pricing of its initial public offering of 7,500,000 shares of common stock at $14.00 per share. The shares are expected to begin trading on The New York Stock Exchange on March 22, 2013 under the symbol MRIN. Marin Software is selling all of the shares being sold in the offering. The underwriters have been granted a 30-day option to purchase up to an additional 1,125,000 shares of common stock from Marin Software at the initial public offering price.

Goldman, Sachs & Co. and Deutsche Bank Securities Inc. are acting as lead book-running managers for the offering. UBS Securities LLC and Stifel, Nicolaus & Company, Incorporated are acting as book-running managers, and Wells Fargo Securities, LLC is acting as co-manager.

A registration statement relating to these securities was declared effective by the Securities and Exchange Commission on March 21, 2013. This offering is being made solely by means of a prospectus, copies of which may be obtained from: Goldman, Sachs & Co., Attention: Prospectus Department, 200 West Street, New York, NY 10282, telephone: 1-866-471-2526 or by emailing prospectus-ny@gs.com or Deutsche Bank Securities Inc., 60 Wall Street, New York, New York 10005, Attention: Prospectus Department, telephone: 1-800-503-4611 or by emailing prospectus.CPDG@db.com.

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 an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.