Oscar Health, Inc. ("Oscar" or the "Company") (NYSE:OSCR), a leading healthcare technology company, will host its 2026 Investor Day on Wednesday, September 16, 2026. Management will discuss the Company's corporate strategy, financial performance, and long-term financial targets.

The event will begin at 9:00 AM ET. A live webcast of the presentation and associated materials will be available on Oscar's investor relations website (www.ir.hioscar.com). The webcast will be archived on Oscar’s investor relations website following September 16, 2026 for a period of 90 days.

About Oscar Health

Oscar Health, Inc. is a leading healthcare technology company built on a full-stack platform and a relentless focus on member experience. Oscar Health helps make high-quality and affordable care more accessible for millions of people through Oscar’s Individual & Family plans and ICHRA solutions, Lucie Health Marketplace, and Trove Group. Consumers benefit from better choice, deeper engagement, and connection to high-value clinical care.

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Investor Contact:

Chris Potochar

VP of Investor Relations

ir@hioscar.com

Media Contact:

Dalya Browne

Senior Director, External Communications

press@hioscar.com