X0306 4 2018-07-01 0000813828 CBS CORP CBS, CBS.A 0001166518 COUNTRYMAN GARY L 51 WEST 52ND STREET NEW YORK NY 10019 1 Phantom Class A Common Stock Units 2018-07-01 4 A 0 21.0000 56.4900 A CBS Class A common stock 21.0000 6697.0000 D Phantom Class B Common Stock Units 2018-07-01 4 A 0 21.0000 56.2200 A CBS Class B common stock 21.0000 6708.0000 D Represents cash dividends credited during the previous quarter on amounts previously deferred pursuant to the Issuer's deferred compensation arrangement for directors. Such amounts are deemed invested quarterly in the number of Phantom Common Stock Units equal to the number of shares of Class A and Class B Common Stock that such amounts would have purchased when converted. Phantom Common Stock Units are paid out after the Director's retirement from the Board and are settled in cash. /s/ Matthew D. Morgeson, Attorney-in-fact 2018-07-03