X0306 4 2022-01-11 0 0001652044 Alphabet Inc. GOOG 0001295032 Brin Sergey C/O ALPHABET INC. 1600 AMPHITHEATRE PKWY MOUNTAIN VIEW CA 94043 1 0 1 0 Class C Capital Stock 2022-01-11 4 S 0 200 2740.195 D 18784542 D Class C Capital Stock 2022-01-11 4 S 0 100 2740.94 D 18784442 D Class C Capital Stock 2022-01-11 4 S 0 42 2742.35 D 18784400 D Class C Capital Stock 2022-01-11 4 S 0 300 2744.02 D 18784100 D Class C Capital Stock 2022-01-11 4 S 0 100 2744.93 D 18784000 D Class C Capital Stock 2022-01-11 4 S 0 600 2746.8683 D 18783400 D Class C Capital Stock 2022-01-11 4 S 0 330 2747.9077 D 18783070 D Class C Capital Stock 2022-01-11 4 S 0 100 2748.69 D 18782970 D Class C Capital Stock 2022-01-11 4 S 0 200 2751.425 D 18782770 D Class C Capital Stock 2022-01-11 4 S 0 300 2750.43 D 18782470 D Class C Capital Stock 2022-01-11 4 S 0 500 2752.846 D 18781970 D Class C Capital Stock 2022-01-11 4 S 0 200 2754.175 D 18781770 D Class C Capital Stock 2022-01-11 4 S 0 200 2755.60 D 18781570 D Class C Capital Stock 2022-01-11 4 S 0 100 2757.53 D 18781470 D Class C Capital Stock 2022-01-11 4 S 0 500 2760.912 D 18780970 D Class C Capital Stock 2022-01-11 4 S 0 298 2760.912 D 18780672 D Class C Capital Stock 2022-01-11 4 S 0 200 2763.17 D 18780472 D Class C Capital Stock 2022-01-11 4 S 0 104 2765.1877 D 18780368 D Class C Capital Stock 2022-01-11 4 S 0 200 2768.66 D 18780168 D Class C Capital Stock 2022-01-11 4 S 0 300 2770.3367 D 18779868 D Class C Capital Stock 2022-01-11 4 S 0 100 2772.06 D 18779768 D Class C Capital Stock 2022-01-11 4 S 0 100 2774.49 D 18779668 D Class C Capital Stock 2022-01-11 4 S 0 100 2783.00 D 18779568 D Class C Capital Stock 2022-01-11 4 S 0 100 2787.91 D 18779468 D Class C Capital Stock 2022-01-11 4 S 0 200 2789.81 D 18779268 D Class C Capital Stock 2022-01-11 4 S 0 200 2791.27 D 18779068 D Class C Capital Stock 2022-01-11 4 S 0 300 2792.13 D 18778768 D Class C Capital Stock 2022-01-11 4 S 0 1000 2793.548 D 18777768 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 Class B Common Stock 0.00 Class A Common Stock 18710784 18710784 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 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,739.94 to $2,740.93, 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 (18) 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 $2,743.74 to $2,744.73, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,746.32 to $2,747.31, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,747.55 to $2,748.54, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,751.20 to $2,752.19, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,749.98 to $2,750.97, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,752.34 to $2,753.33, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,754.14 to $2,755.13, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,755.19 to $2,756.18, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,760.36 to $2,761.35, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,761.84 to $2,762.83, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,765.15 to $2,766.14, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,768.36 to $2,769.35, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,769.98 to $2,770.97, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,789.32 to $2,790.31, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,790.82 to $2,791.81, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,791.89 to $2,792.88, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,793.21 to $2,794.20, 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 January 11, 2022 are reported on additional Form 4s. /s/ Valentina Margulis, as Attorney-in-Fact for Sergey Brin 2022-01-13