X0306 4 2013-04-01 0000813828 CBS CORP CBS, CBS.A 0001333949 Ianniello Joseph R 51 WEST 52ND STREET NEW YORK NY 10019 1 EVP and CFO CBS Class B common stock 2013-04-01 4 M 0 416.0000 0 A 4820.0000 I By Spouse CBS Class B common stock 2013-04-01 4 F 0 157.0000 45.7400 D 4663.0000 I By Spouse CBS Class B common stock 2013-04-02 4 M 0 136.0000 0 A 4799.0000 I By Spouse CBS Class B common stock 2013-04-02 4 F 0 52.0000 45.5100 D 4747.0000 I By Spouse CBS Class B common stock 134090.0000 D CBS Class B common stock 4342.0000 I By 401(k) CBS Class B common stock 2075.0000 I By Spouse - 401(k) Plan Restricted Share Units 2013-04-01 4 M 0 416.0000 0.0000 D 2013-04-01 CBS Class B common stock 416.0000 152.0000 I By Spouse Restricted Share Units 2013-04-01 4 A 0 301.0000 0.0000 A 2014-04-01 CBS Class B common stock 301.0000 301.0000 I By Spouse Restricted Share Units 2013-04-02 4 M 0 136.0000 0.0000 D 2013-04-02 CBS Class B common stock 136.0000 272.0000 I By Spouse On April 1, 2013 the closing price of the CBS Class B common stock on the NYSE was $45.74. The Reporting Person disclaims beneficial ownership of these securities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purposes. On April 2, 2013 the closing price of the CBS Class B common stock on the NYSE was $45.51. Granted under the Issuer's long term incentive plan. The Restricted Share Units (RSUs) vest as follows: 416 RSUs on 4/1/2013 and 152 RSUs on 4/1/2014. The RSUs are settled by delivery of a corresponding number of the Issuer's shares upon vesting. The Restricted Share Units will vest in three equal annual installments beginning on April 1, 2014 and will be settled by delivery of a corresponding number of the Issuer's shares upon vesting. The Restricted Share Units will vest in three equal annual installments beginning on April 2, 2013 and will be settled by delivery of a corresponding number of the Issuer's shares upon vesting. /s/ Joseph R. Ianniello 2013-04-03