X0306 4 2022-01-12 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 2022-01-12 4 S 0 300 2826.1633 D 18770553 D Class C Capital Stock 2022-01-12 4 S 0 300 2828.6767 D 18770253 D Class C Capital Stock 2022-01-12 4 S 0 537 2829.8192 D 18769716 D Class C Capital Stock 2022-01-12 4 S 0 216 2831.5622 D 18769500 D Class C Capital Stock 2022-01-12 4 S 0 400 2832.57 D 18769100 D Class C Capital Stock 2022-01-12 4 S 0 897 2833.7237 D 18768203 D Class C Capital Stock 2022-01-12 4 S 0 1190 2835.171 D 18767013 D Class C Capital Stock 2022-01-12 4 S 0 1535 2836.114 D 18765478 D Class C Capital Stock 2022-01-12 4 S 0 900 2837.3067 D 18764578 D Class C Capital Stock 2022-01-12 4 S 0 619 2838.3342 D 18763959 D Class C Capital Stock 2022-01-12 4 S 0 1317 2839.7015 D 18762642 D Class C Capital Stock 2022-01-12 4 S 0 659 2840.5218 D 18761983 D Class C Capital Stock 2022-01-12 4 S 0 1900 2841.6942 D 18760083 D Class C Capital Stock 2022-01-12 4 S 0 356 2842.4438 D 18759727 D Class C Capital Stock 2022-01-12 4 S 0 700 2843.79 D 18759027 D Class C Capital Stock 2022-01-12 4 S 0 400 2844.82 D 18758627 D Class C Capital Stock 2022-01-12 4 S 0 300 2847.1633 D 18758327 D Class C Capital Stock 2022-01-12 4 S 0 200 2845.97 D 18758127 D Class C Capital Stock 2022-01-12 4 S 0 200 2849.73 D 18757927 D Class C Capital Stock 2022-01-12 4 S 0 300 2850.5733 D 18757627 D Class C Capital Stock 2022-01-12 4 S 0 162 2852.4826 D 18757465 D Class C Capital Stock 2022-01-12 4 S 0 200 2853.01 D 18757265 D Class C Capital Stock 2022-01-12 4 S 0 100 2854.01 D 18757165 D Class C Capital Stock 2022-01-12 4 S 0 200 2855.065 D 18756965 D Class C Capital Stock 8635 I SMB Pacific 2021 Charitable Remainder Unitrust II Class C Capital Stock 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 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 18696905 18696896 D The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,826.11 to $2,827.10, 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 (22) 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 $2,828.34 to $2,829.33, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,829.60 to $2,830.59, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,830.84 to $2,831.83, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,831.97 to $2,832.96, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,833.43 to $2,834.42, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,834.54 to $2,835.53, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,835.67 to $2,836.66, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,836.86 to $2,837.85, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,837.98 to $2,838.97, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,839.13 to $2,840.12, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,840.15 to $2,841.14, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,841.15 to $2,842.14, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,842.15 to $2,843.14, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,843.30 to $2,844.29, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,844.55 to $2,845.54, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,846.72 to $2,847.71, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,845.59 to $2,846.58, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,849.31 to $2,850.30, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,850.42 to $2,851.41, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,851.89 to $2,852.88, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,852.91 to $2,853.90, 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 12, 2022 are reported on additional Form 4s. /s/ Valentina Margulis, as Attorney-in-Fact for Sergey Brin 2022-01-13