X0306 4 2021-06-29 0 0001652044 Alphabet Inc. GOOG 0001238734 WALKER JOHN KENT C/O ALPHABET INC. 1600 AMPHITHEATRE PKWY MOUNTAIN VIEW CA 94043 0 1 0 0 SVP, Global Affairs and CLO Class C Capital Stock 2021-06-29 4 S 0 103 2510.0728 D 4883 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Capital Stock 2021-06-29 4 S 0 206 2512.0866 D 4677 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Capital Stock 2021-06-29 4 S 0 200 2513.79 D 4477 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Capital Stock 2021-06-29 4 S 0 337 2516.0961 D 4140 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Capital Stock 2021-06-29 4 S 0 500 2517.026 D 3640 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Capital Stock 2021-06-29 4 S 0 300 2518.4455 D 3340 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Capital Stock 2021-06-29 4 S 0 355 2519.7759 D 2985 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Capital Stock 2021-06-29 4 S 0 300 2520.86 D 2685 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Capital Stock 2021-06-29 4 S 0 200 2522.82 D 2485 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Capital Stock 2021-06-30 4 G 0 2501 0.00 D 0 D Class C Capital Stock 2021-06-30 4 G 0 2501 0.00 A 4986 I By Arete Trust, John Kent Walker and Diana Ruth Walsh, Trustees Class C Google Stock Units 2428 D Class C Google Stock Units 5251 D Class C Google Stock Units 23296 D The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,510.06 to $2,511.05, inclusive. The Reporting Person undertakes to provide to any security holder of Alphabet Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) through (9) to this Form 4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,511.86 to $2,512.85, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,513.43 to $2,514.42, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,515.74 to $2,516.73, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,516.81 to $2,517.80, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,518.09 to $2,519.08, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,519.45 to $2,520.44, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,520.60 to $2,521.59, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,522.64 to $2,523.63, inclusive. The Class C Google Stock Units (GSUs) entitle the Reporting Person to receive one share of Alphabet Inc. Class C Capital Stock for each share underlying the GSUs as GSUs vest. These GSUs will vest as follows: 1/4th will vest on March 25, 2022 and an additional 1/4th will vest quarterly thereafter until fully vested, in each case subject to continued employment. 1/16th of the GSUs vested on March 25, 2018 and an additional 1/16th vests quarterly on the 25th day of the month thereafter until fully vested, subject to continued employment on the applicable vesting dates. 1/8th of the GSUs vested on June 25, 2020 and an additional 1/16th vests quarterly on the 25th day of the month thereafter until fully vested, subject to continued employment on the applicable vesting dates. All sale 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 John Kent Walker 2021-07-01