X0306 4 2022-03-09 0 0001652044 Alphabet Inc. GOOG 0001295032 Sergey Brin C/O ALPHABET INC. 1600 AMPHITHEATRE PKWY MOUNTAIN VIEW CA 94043 1 0 1 0 Class A Common Stock 2022-03-09 4 C 0 13889 0.00 A 13889 D Class A Common Stock 2022-03-09 4 S 0 100 2600.58 D 13789 D Class A Common Stock 2022-03-09 4 S 0 233 2602.1277 D 13556 D Class A Common Stock 2022-03-09 4 S 0 300 2603.1367 D 13256 D Class A Common Stock 2022-03-09 4 S 0 500 2604.85 D 12756 D Class A Common Stock 2022-03-09 4 S 0 319 2606.2703 D 12437 D Class A Common Stock 2022-03-09 4 S 0 130 2607.4131 D 12307 D Class A Common Stock 2022-03-09 4 S 0 200 2610.785 D 12107 D Class A Common Stock 2022-03-09 4 S 0 121 2611.9459 D 11986 D Class A Common Stock 2022-03-09 4 S 0 200 2613.305 D 11786 D Class A Common Stock 2022-03-09 4 S 0 100 2614.62 D 11686 D Class A Common Stock 2022-03-09 4 S 0 200 2616.085 D 11486 D Class A Common Stock 2022-03-09 4 S 0 453 2617.0345 D 11033 D Class A Common Stock 2022-03-09 4 S 0 569 2618.905 D 10464 D Class A Common Stock 2022-03-09 4 S 0 541 2620.0598 D 9923 D Class A Common Stock 2022-03-09 4 S 0 600 2621.275 D 9323 D Class A Common Stock 2022-03-09 4 S 0 402 2622.2667 D 8921 D Class A Common Stock 2022-03-09 4 S 0 570 2623.4167 D 8351 D Class A Common Stock 2022-03-09 4 S 0 500 2624.87 D 7851 D Class A Common Stock 2022-03-09 4 S 0 400 2626.2025 D 7451 D Class A Common Stock 2022-03-09 4 S 0 200 2628.38 D 7251 D Class A Common Stock 2022-03-09 4 S 0 100 2633.14 D 7151 D Class A Common Stock 2022-03-09 4 S 0 200 2632.37 D 6951 D Class A Common Stock 2022-03-09 4 S 0 100 2634.35 D 6851 D Class A Common Stock 2022-03-09 4 S 0 100 2636.40 D 6751 D Class A Common Stock 2022-03-09 4 S 0 431 2638.2652 D 6320 D Class A Common Stock 2022-03-09 4 S 0 200 2640.255 D 6120 D Class A Common Stock 2022-03-09 4 S 0 100 2641.15 D 6020 D Class A Common Stock 2022-03-09 4 S 0 200 2642.38 D 5820 D Class B Common Stock 0.00 2022-03-09 4 C 0 13889 0.00 D Class A Common Stock 13889 18551362 D Class B Common Stock 0.00 Class A Common Stock 8635 8635 I SMB Pacific 2021 Charitable Remainder Unitrust I Class B Common Stock 0.00 Class A Common Stock 8635 8635 I SMB Pacific 2021 Charitable Remainder Unitrust II Each share of Class A Common Stock was issued upon the conversion of one share of Class B Common Stock at the election of Reporting Person. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,601.75 to $2,602.74, 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 (2) through (23) 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 $2,603.05 to $2,604.04, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,604.58 to $2,605.57, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,606.06 to $2,607.05, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,607.39 to $2,608.38, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,610.42 to $2,611.41, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,611.45 to $2,612.44, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,612.98 to $2,613.97, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,615.67 to $2,616.66, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,616.94 to $2,617.93, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,618.52 to $2,619.51, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,619.61 to $2,620.60, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,620.79 to $2,621.78, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,621.66 to $2,622.65, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,623.04 to $2,624.03, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,624.63 to $2,625.62, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,625.84 to $2,626.83, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,628.16 to $2,629.15, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,632.04 to $2,633.03, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,637.92 to $2,638.91, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,639.85 to $2,640.84, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,642.15 to $2,643.14, inclusive. All shares are exercisable as of the transaction date. There is no expiration date for the Issuer's Class B Common Stock. 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 9, 2022 are reported on additional Form 4. /s/ Valentina Margulis, as Attorney-in-Fact for Sergey Brin 2022-03-11