SSR Mining Announces Suspension of Operations at Çöpler

News Release

February 13, 2024

SSR MINING ANNOUNCES SUSPENSION OF OPERATIONS AT ÇÖPLER

DENVER – SSR Mining Inc. (Nasdaq/TSX: SSRM; ASX: SSR) (“SSR Mining” or the “Company”) announces a suspension of operations at the Çöpler mine as a result of a large slip on the heap leach pad. This event occurred in the morning of February 13, 2024 at approximately 6:30 am EST, and all operations at Çöpler have been suspended as a result.

Conference Call Information

SSR Mining’s senior leadership team will host a conference call this morning to provide an overview of current operations as well as the Company’s outlook and long-term growth strategy, as previously planned. Investors, media and the public are invited to listen to the conference call and accompanying webcast.

• Conference call and webcast: Tuesday, February 13, 2024, at 9:00 am EST.

Toll-free in U.S. and Canada: +1 (800) 319-4610 All other callers: +1 (604) 638-5340 Webcast: http://ir.ssrmining.com/investors/events

• The conference call will be archived and available on our website. Audio replay will be available for two weeks by calling:

Toll-free in U.S. and Canada: +1 (855) 669-9658, replay code 0631 All other callers: +1 (412) 317-0088, replay code 0631

About SSR Mining

SSR Mining Inc. is a leading, free cash flow focused gold company with four producing operations located in the USA, Türkiye, Canada, and Argentina, combined with a global pipeline of high-quality development and exploration assets. Over the last three years, the four operating assets combined have produced on average more than 700,000 goldequivalent ounces annually. SSR Mining is listed under the ticker symbol SSRM on the Nasdaq and the TSX, and SSR on the ASX.

SSR Mining Contacts:

F. Edward Farid, Executive Vice President, Chief Corporate Development Officer Alex Hunchak, Vice President, Investor Relations

SSR Mining Inc.

E-Mail: [email protected] Phone: +1 (888) 338-0046

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