Alphabet Inc.

10b5-1 Trading Plans

During the quarter ended September 30, 2025, the following Section 16 director adopted, modified, or terminated a “Rule 10b5-1 trading arrangement” (as defined in Item 408 of Regulation S-K of the Exchange Act).

•Frances Arnold, amember of the Board of Directors of Alphabet, adopted a trading plan on August 21, 2025 (with the first trade under the plan scheduled for December 1, 2025). The trading plan will be effective until July 13, 2027 to sell 50% of the (net) shares resulting from the vesting of approximately 3,357 (gross) shares of Class C Capital Stock (excluding the dividend equivalent units), in addition to 50% of the (net) shares of any future grants awarded during the term of the plan (in each case, net shares are net of tax withholding).

There were no “non-Rule 10b5-1 trading arrangements” (as defined in Item 408 of Regulation S-K of the Exchange Act)adopted, modified, orterminated during the quarter ended September 30, 2025 by our directors and Section 16 officers.

Required Disclosure Pursuant to Section 13(r) of the Exchange Act

During the quarter ended September 30, 2025, Google LLC, a subsidiary of Alphabet, filed a notification with the Russian Federal Security Service (FSB) pursuant to Russian encryption control requirements, which must be complied with prior to the import of covered items. Neither we nor our subsidiaries generated any gross revenues or net profits directly from such activity and neither we nor our subsidiaries sell to the FSB. In the ordinary course of its business, Alphabet expects that Google LLC will continue to file these notifications as required under Russian law.