OM CLASS ACTION NOTICE: Glancy Prongay & Murray LLP Files Securities Fraud Lawsuit Against Outset Medical, Inc. Page 1

Glancy Prongay & Murray LLP (“GPM”) announces that it has filed a class action lawsuit in the U.S. District Court for the Northern District of California,
Porcelli vs. Outset Medical, Inc., et al., File number 24cv6124, on behalf of persons and entities that purchased or otherwise acquired securities of Outset Medical, Inc. (“Outset Medical” or the “Company”) (NASDAQ: OM) between August 1, 2022 and August 7, 2024including (the “Class Period”). Plaintiff brings claims under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 (the “Exchange Act”).

Investors are hereby informed that they: 60 days from the date of this notice to request the court to act as lead plaintiff in this case.