X0306 4 2022-02-08 0 0001652044 Alphabet Inc. GOOG 0001295032 Brin Sergey C/O ALPHABET INC. 1600 AMPHITHEATRE PKWY MOUNTAIN VIEW CA 94043 1 0 1 0 Class A Common Stock 2022-02-08 4 C 0 13889 0.00 A 13889 D Class A Common Stock 2022-02-08 4 S 0 100 2741.40 D 13789 D Class A Common Stock 2022-02-08 4 S 0 100 2741.40 D 13689 D Class A Common Stock 2022-02-08 4 S 0 200 200.00 D 13489 D Class A Common Stock 2022-02-08 4 S 0 100 2746.10 D 13389 D Class A Common Stock 2022-02-08 4 S 0 100 2748.12 D 13289 D Class A Common Stock 2022-02-08 4 S 0 300 2750.0167 D 12989 D Class A Common Stock 2022-02-08 4 S 0 100 2751.34 D 12889 D Class A Common Stock 2022-02-08 4 S 0 200 2753.525 D 12689 D Class A Common Stock 2022-02-08 4 S 0 200 2754.635 D 12489 D Class A Common Stock 2022-02-08 4 S 0 400 2756.735 D 12089 D Class A Common Stock 2022-02-08 4 S 0 700 2757.7429 D 11389 D Class A Common Stock 2022-02-08 4 S 0 369 2758.8438 D 11020 D Class A Common Stock 2022-02-08 4 S 0 200 2759.715 D 10820 D Class A Common Stock 2022-02-08 4 S 0 588 2761.2778 D 10232 D Class A Common Stock 2022-02-08 4 S 0 300 2762.6633 D 9932 D Class A Common Stock 2022-02-08 4 S 0 400 2764.3875 D 9532 D Class A Common Stock 2022-02-08 4 S 0 600 2765.5067 D 8932 D Class A Common Stock 2022-02-08 4 S 0 111 2767.0708 D 8821 D Class A Common Stock 2022-02-08 4 S 0 2 2767.51 D 8819 D Class A Common Stock 2022-02-08 4 S 0 100 2768.96 D 8719 D Class A Common Stock 2022-02-08 4 S 0 300 2770.5667 D 8419 D Class A Common Stock 2022-02-08 4 S 0 586 2771.7374 D 7833 D Class A Common Stock 2022-02-08 4 S 0 200 2772.62 D 7633 D Class A Common Stock 2022-02-08 4 S 0 1190 2773.928 D 6443 D Class A Common Stock 2022-02-08 4 S 0 617 2775.048 D 5826 D Class A Common Stock 2022-02-08 4 S 0 800 2776.6425 D 5026 D Class A Common Stock 2022-02-08 4 S 0 685 2777.74 D 4341 D Class A Common Stock 2022-02-08 4 S 0 712 2779.0469 D 3629 D Class A Common Stock 2022-02-08 4 S 0 604 2780.1305 D 3025 D Class B Common Stock 0.00 2022-02-08 4 C 0 13889 0.00 D Class A Common Stock 13889 18669118 D Each share of Class A Common Stock was issued upon the conversion of one share of Class B Common Stock at the election of the Reporting Person. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,745.10 to $2,746.09, 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 $2,749.78 to $2,750.77, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,753.08 to $2,754.07, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,754.21 to $2,755.20, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,756.30 to $2,757.29, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,757.37 to $2,758.36, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,758.40 to $2,759.39, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,759.44 to $2,760.43, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,760.93 to $2,761.92, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,762.25 to $2,763.24, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,763.86 to $2,764.85, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,765.08 to $2,766.07, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,766.26 to $2,767.25, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,770.02 to $2,771.01, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,771.21 to $2,772.20, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,772.38 to $2,773.37, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,773.42 to $2,774.41, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,774.68 to $2,775.67, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,776.30 to $2,777.29, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,777.46 to $2,778.45, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,778.59 to $2,779.58, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,779.68 to $2,780.67, 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 February 8, 2022 are reported on additional Form 4s. /s/ Valentina Margulis, as Attorney-in-Fact for Sergey Brin 2022-02-10