Cst Brands Inc. (CST): Billionaire Mario Gabelli’s GAMCO Investors Ups Stake

Page 11 of 18 – SEC Filing

Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: June 2, 2016

GGCP, INC.

MARIO J. GABELLI

GABELLI FOUNDATION, INC.

By:/s/ Douglas R. Jamieson

     Douglas R. Jamieson

     Attorney-in-Fact

ASSOCIATED CAPITAL GROUP, INC.

By:/s/ Kevin Handwerker 

     Kevin Handwerker

                General Counsel & Secretary – Associated Capital Group, Inc.

GAMCO ASSET MANAGEMENT INC.

  GAMCO INVESTORS, INC.

GABELLI SECURITIES, INC.

GABELLI FUNDS, LLC

By:/s/ Douglas R. Jamieson 

     Douglas R. Jamieson

                    President & Chief Operating Officer – GAMCO Investors, Inc.

      President – GAMCO Asset Management Inc.

      President – Gabelli Securities, Inc.

       President & Chief Operating Officer of the sole member of

Gabelli Funds, LLC