X0306 4 2022-03-08 0 0001652044 Alphabet Inc. GOOG 0001295032 Sergey Brin C/O ALPHABET INC. 1600 AMPHITHEATRE PKWY MOUNTAIN VIEW CA 94043 1 0 1 0 Class C Capital Stock 2022-03-08 4 S 0 200 2566.10 D 18629941 D Class C Capital Stock 2022-03-08 4 S 0 100 2567.31 D 18629841 D Class C Capital Stock 2022-03-08 4 S 0 200 2568.99 D 18629641 D Class C Capital Stock 2022-03-08 4 S 0 200 2570.67 D 18629441 D Class C Capital Stock 2022-03-08 4 S 0 100 2571.92 D 18629341 D Class C Capital Stock 2022-03-08 4 S 0 100 2574.34 D 18629241 D Class C Capital Stock 2022-03-08 4 S 0 400 2577.4525 D 18628841 D Class C Capital Stock 2022-03-08 4 S 0 400 2579.435 D 18628441 D Class C Capital Stock 2022-03-08 4 S 0 500 2581.246 D 18627941 D Class C Capital Stock 2022-03-08 4 S 0 200 2582.925 D 18627741 D Class C Capital Stock 2022-03-08 4 S 0 100 2584.66 D 18627641 D Class C Capital Stock 2022-03-08 4 S 0 100 2585.73 D 18627541 D Class C Capital Stock 2022-03-08 4 S 0 400 2587.8375 D 18627141 D Class C Capital Stock 2022-03-08 4 S 0 200 2589.25 D 18626941 D Class C Capital Stock 2022-03-08 4 S 0 21 2590.10 D 18626920 D Class C Capital Stock 2022-03-08 4 S 0 100 2591.83 D 18626820 D Class C Capital Stock 2022-03-08 4 S 0 200 2593.095 D 18626620 D Class C Capital Stock 2022-03-08 4 S 0 100 2600.12 D 18626520 D Class C Capital Stock 2022-03-08 4 S 0 100 2602.12 D 18626420 D Class C Capital Stock 2022-03-08 4 S 0 400 2606.9325 D 18626020 D Class C Capital Stock 2022-03-08 4 S 0 100 2609.42 D 18625920 D Class C Capital Stock 2022-03-08 4 S 0 200 2612.055 D 18625720 D Class C Capital Stock 2022-03-08 4 S 0 100 2613.97 D 18625620 D Class C Capital Stock 2022-03-08 4 S 0 100 2615.15 D 18625520 D Class C Capital Stock 2022-03-08 4 S 0 100 2620.07 D 18625420 D Class C Capital Stock 2022-03-08 4 S 0 100 2621.54 D 18625320 D Class C Capital Stock 8635 I SMB Pacific 2021 Charitable Remainder Unitrust I Class C Capital Stock 8635 I SMB Pacific 2021 Charitable Remainder Unitrust II The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,565.94 to $2,566.94, 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 (12) 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 $2,568.98 to $2,569.98, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,570.34 to $2,571.34, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,577.03 to $2,578.03, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,579.14 to $2,580.14, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,580.87 to $2,581.87, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,582.85 to $2,583.85, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,587.38 to $2,588.38, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,588.97 to $2,589.97, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,592.83 to $2,593.83, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,606.65 to $2,607.65, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,611.98 to $2,612.98, inclusive. All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person. Related transactions effected by the Reporting Person on March 8, 2022 are reported on additional Form 4s. /s/ Valentina Margulis, as Attorney-in-Fact for Sergey Brin 2022-03-10