X0306 5 2013-12-31 0 0 0 0001562039 CST Brands, Inc. cst 0001448219 Bowers Kimberly S. P.O. BOX 696000 SAN ANTONIO TX 78269-6000 1 1 0 0 President and CEO Common Stock 2013-05-01 5 J 0 19026 A 89426 D 19,026 shares were received by the reporting person as the result of a stock dividend issued by Valero Energy Corporation ("Valero"). One share of the Issuer's common stock was issued for every nine shares of Valero common stock outstanding as of 5:00 p.m. EST on April 19, 2013, the record date for the distribution. 2. 9,480 shares of common stock owned by the reporting person as of December 31, 2013, were transferred to the reporting person's spouse on February 11, 2014, pursuant to a domestic relations order, and the reporting person no longer claims beneficial ownership of such shares. 3. The Form 4 initially filed by the reporting person on May 8, 2013, erroneously reported the award of 4,233 shares of restricted stock. No such issuance was ever approved or awarded. /s/ Cynthia P. Hill, as Attorney-in-Fact for Kimberly S. Bowers 2014-02-13