Outset Medical shareholders elect three Class III directors at 2023 annual meeting

Proposal One: Election of Class III Directors Each of Jim Hinrichs, Andrea L. Saia and Catherine Szyman was elected to serve as a class III director to hold office until the Company’s 2026 annual meeting of stockholders and until the election and qualification of his or her successor. Votes were cast as follows: For Withheld Broker Non-Votes Jim Hinrichs 31,328,771 9,103,234 2,604,562 Andrea L. Saia 32,411,431 8,020,574 2,604,562 Catherine Szyman 30,893,629 9,538,376 2,604,562

Proposal Three: Ratification of Appointment of Independent Registered Public Accounting Firm The stockholders ratified the appointment of KPMG LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2023 by the following vote: For Against Abstain Broker Non-Votes 42,975,493 29,313 31,761 —

Proposal Two: Advisory Vote on Named Executive Officer Compensation The Company’s stockholders approved, on a non-binding advisory basis, the 2022 compensation of the Company’s named executive officers as disclosed in its 2023 proxy statement by the following vote: For Against Abstain Broker Non-Votes 37,566,238 2,837,679 28,088 2,604,562