X0306 4 2016-09-01 0001652044 Alphabet Inc. GOOG 0001244892 MATHER ANN C/O ALPHABET INC. 1600 AMPHITHEATRE PARKWAY MOUNTAIN VIEW CA 94043 1 Class A Common Stock 2016-09-01 4 S 0 8 791.98 D 1656 D Class C Capital Stock 2016-09-01 4 S 0 35 769.26 D 2154 D Class C Google Stock Unit 282 D Class C Google Stock Unit 83 D Class C Google Stock Unit 477 D Class C Google Stock Unit 484 D Class A Google Stock Unit 83 D 1/48th of the grant will vest on June 25, 2014 and an additional 1/48th will vest on the 25th day of each month thereafter, subject to continued service on the Board on such vesting dates. 1/48th of the grant vested on July 25, 2013 and an additional 1/48th will vest monthly on the 25th day of each month thereafter, subject to continued service on the Board on the applicable vesting dates. 1/48th of GSUs will vest on July 25, 2015 and an additional 1/48th of GSUs will vest monthly thereafter until the GSUs are fully vested, subject to continued service on such vesting dates. 1/48th of GSUs will vest on July 25, 2016 and an additional 1/48th of GSUs will vest monthly thereafter until the GSUs are fully vested, subject to continued service on such vesting dates. 1/48th of the grant will vest on July 25, 2013 and an additional 1/48th will vest monthly on the 25th day of each month thereafter, subject to continued service on the Board on the applicable vesting dates. All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person. /s/ Valentina Margulis, as attorney-in-fact for Ann Mather 2016-09-01