Gilead Sciences — May 7, 2026 release

Gilead has entered into a framework agreement with Galapagos NV (“Galapagos”) in relation to this acquisition, which includes equally splitting the $1.675 billion upfront payment and up to $500 million in milestone payments, among other terms. Corporate • The Board declared a quarterly dividend of $0.82 per share of common stock for the second quarter of 2026. The dividend is payable on June 29, 2026, to stockholders of record at the close of business on June 15, 2026. Future dividends will be subject to Board approval. Certain amounts and percentages in this press release may not sum or recalculate due to rounding. Conference Call At 1:30 p.m. Pacific Time today, Gilead will host a conference call to discuss Gilead’s results. A live webcast will be available on http://investors.gilead.com and will be archived on www.gilead.com for one year. Non-GAAP Financial Information The information presented in this document has been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”), unless otherwise noted as non-GAAP. Management believes non-GAAP information is useful for investors, when considered in conjunction with Gilead’s GAAP financial information, because management uses such information internally for its operating, budgeting and financial planning purposes. Non-GAAP information is not prepared under a comprehensive set of accounting rules and should only be used to supplement an understanding of Gilead’s operating results as reported under GAAP. Non-GAAP fin