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 A Common Stock 2022-01-12 4 C 0 13888 0.00 A 13888 D Class A Common Stock 2022-01-12 4 S 0 300 2817.18 D 13588 D Class A Common Stock 2022-01-12 4 S 0 100 2820.87 D 13488 D Class A Common Stock 2022-01-12 4 S 0 100 2823.01 D 13388 D Class A Common Stock 2022-01-12 4 S 0 578 2824.7511 D 12810 D Class A Common Stock 2022-01-12 4 S 0 571 2825.6167 D 12239 D Class A Common Stock 2022-01-12 4 S 0 1300 2826.8723 D 10939 D Class A Common Stock 2022-01-12 4 S 0 879 2827.9974 D 10060 D Class A Common Stock 2022-01-12 4 S 0 861 2829.2688 D 9199 D Class A Common Stock 2022-01-12 4 S 0 1087 2830.2488 D 8112 D Class A Common Stock 2022-01-12 4 S 0 900 2831.13 D 7212 D Class A Common Stock 2022-01-12 4 S 0 1000 2832.316 D 6212 D Class A Common Stock 2022-01-12 4 S 0 1448 2833.1037 D 4764 D Class A Common Stock 2022-01-12 4 S 0 403 2834.6859 D 4361 D Class A Common Stock 2022-01-12 4 S 0 683 2835.5812 D 3678 D Class A Common Stock 2022-01-12 4 S 0 500 2836.568 D 3178 D Class A Common Stock 2022-01-12 4 S 0 600 2837.8867 D 2578 D Class A Common Stock 2022-01-12 4 S 0 427 2838.6664 D 2151 D Class A Common Stock 2022-01-12 4 S 0 400 2840.14 D 1751 D Class A Common Stock 2022-01-12 4 S 0 222 2841.0796 D 1529 D Class A Common Stock 2022-01-12 4 S 0 300 2842.6033 D 1229 D Class A Common Stock 2022-01-12 4 S 0 300 2844.5033 D 929 D Class A Common Stock 2022-01-12 4 S 0 300 2845.5667 D 629 D Class A Common Stock 2022-01-12 4 S 0 329 2847.8031 D 300 D Class A Common Stock 2022-01-12 4 S 0 300 2846.4067 D 0 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 C Capital Stock 18756965 D Class B Common Stock 0.00 2022-01-12 4 C 0 13888 0.00 D Class A Common Stock 13888 18696896 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 $2,824.19 to $2,825.18, 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 (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 $2,825.40 to $2,826.39, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,826.45 to $2,827.44, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,827.63 to $2,828.62, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,828.66 to $2,829.65, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,829.75 to $2,830.74, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,830.79 to $2,831.78, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,831.83 to $2,832.82, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,832.83 to $2,833.82, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,834.14 to $2,835.13, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,835.15 to $2,836.14, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,836.17 to $2,837.16, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,837.33 to $2,838.32, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,838.38 to $2,839.37, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,839.87 to $2,840.86, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,840.93 to $2,841.92, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,842.01 to $2,843.00, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,843.95 to $2,844.94, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,845.14 to $2,846.13, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,847.49 to $2,848.48, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2,846.26 to $2,847.25, inclusive. All shares are exercisable as of the transaction date. There is no expiration date for the Issuer's Class B Common Stock. All sale 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