MICROSOFT CORP

Insider Trading Arrangements

Our Section 16 officers and directors, as defined in Rule 16a-1(f) of the Securities Exchange Act of 1934 (the “Exchange Act”), may from time to time enter into plans for the purchase or sale of our common stock that are intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act. During the quarter ended June 30, 2026, the following Section 16 officers and directors adopted, modified, or terminated “Rule 10b5-1 trading arrangements” (as defined in Item 408 of Regulation S-K of the Exchange Act):

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Amy E. Hood, our Executive Vice President and Chief Financial Officer, adopted a new written 10b5-1 trading plan on June 10, 2026, during an open trading window. The plan’s maximum durationis until March 5, 2027. The first trade will not occur until September 14, 2026, at the earliest. The trading plan is intended to permit Ms. Hood to sell (i) up to 48,700 shares of our common stock, (ii) 100% of net vested shares of our common stock pursuant to Restricted Stock Awards that will vest on August 31, 2026, and (iii) 100% of net vested shares of our common stock pursuant to Restricted Stock Awards that will vest on February 28, 2027.

Noother officers or directors, as defined in Rule 16a-1(f), adopted, modified, orterminated a“Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as defined in Item 408 of Regulation S-K, during the three months ended June 30, 2026.