Independent Bank Group, Inc. Announces Pricing of Initial Public Offering

Independent Bank Group, Inc. (Nasdaq:IBTX) (the "Company") announced today that it has priced its initial public offering of 3,200,000 shares of common stock at $26.00 per share.

Shares are expected to begin trading tomorrow, April 3, 2013, on the NASDAQ Global Market under the ticker symbol "IBTX."

The underwriters have a 30-day option to purchase up to an additional 480,000shares from the Company at the initial public offering price less the underwriting discount.

Sandler O'Neill + Partners, L.P. is acting as book-running manager for the offering. Evercore Partners and Keefe, Bruyette & Woods are acting as joint book-runners for the offering.

The offering is being made only by means of a prospectus. Copies of the prospectus relating to the initial public offering may be obtained for free by visiting the Securities and Exchange Commission website at http://www.sec.gov. Alternatively, a copy of the prospectus relating to the initial public offering, when available, may be obtained from: Sandler O'Neill + Partners, L.P., 1251 Avenue of the Americas, 6th Floor, New York, NY 10020, Attention: Prospectus Department, or calling toll-free 1‑866-805-4128 or emailing [e-mail]. A registration statement relating to these securities has been filed with the Securities and Exchange Commission and was declared effective on April 2, 2013. This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of the securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of such state or jurisdiction.

About Independent Bank Group, Inc.

Independent Bank Group is a bank holding company headquartered in McKinney, Texas. Through its wholly owned subsidiary, Independent Bank, the Company provides a wide range of relationship-driven commercial banking products and services tailored to meet the needs of businesses, professionals and individuals. Independent Bank operates 30 banking offices in 26 communities in two market regions located in the Dallas/Fort Worth metropolitan area and the greater Austin, Texas, area. As of December 31, 2012, the Company had total assets of approximately $1.7 billion, total loans of approximately $1.4 billion and total deposits of approximately $1.4 billion. Visit www.independent-bank.com or call 972-562-9004 for more information.

This press release includes forward-looking statements.  Although the Company believes that its expectations are based on reasonable assumptions, it can give no assurance that such assumptions will materialize.  Important factors that could cause actual results to differ materially from those in the forward-looking statements herein are enumerated in the registration statement on Form S-1 of the Company as filed with the Securities and Exchange Commission.

CONTACT: Independent Bank Group
         Michelle Hickox, 972-562-9004
         [e-mail]