Scilex Holding Company Announces Deferral of Record Date for its Previously Announced Dividend of Preferred Stock Exchangeable for up to 10% of Scilex’s Ownership Interest in Semnur Pharmaceuticals, Inc., its Wholly Owned Subsidiary from May 2, 2025 to a

PALO ALTO, Calif., June 23, 2025 (GLOBE NEWSWIRE) -- Scilex Holding Company (Nasdaq: SCLX, “Scilex” or “Company”), an innovative revenue-generating company focused on acquiring, developing and commercializing non-opioid pain management products for the treatment of acute and chronic pain and neurodegenerative and cardiometabolic disease, today announced that its Board of Directors (the “Board”) has approved a deferral of the previously announced record date of May 2, 2025 for the Company’s previously announced dividend of Scilex preferred stock (the “Dividend”) to its stockholders and certain other securityholders of Scilex. The new record date for the Dividend will be such later date to be determined in the sole discretion of the Board (such later record date as so determined by the Board, the “New Record Date”). The Board retains the right to continue to change any New Record Date (and therefore any related payment date for the Dividend) and the ability to revoke the Dividend.

For more information on Scilex Holding Company, refer to www.scilexholding.com.

For more information on Semnur Pharmaceuticals, Inc., refer to www.semnurpharma.com.

For more information on ZTlido including Full Prescribing Information, refer to www.ztlido.com.

For more information on ELYXYB, including Full Prescribing Information, refer to www.elyxyb.com.

For more information on Gloperba, including Full Prescribing Information, refer to www.gloperba.com.

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About Scilex Holding Company

Scilex Holding Company is an innovative revenue-generating company focused on acquiring, developing and commercializing non-opioid pain management products for the treatment of acute and chronic pain and neurodegenerative and cardiometabolic disease. Scilex targets indications with high unmet needs and large market opportunities with non-opioid therapies for the treatment of patients with acute and chronic pain and is dedicated to advancing and improving patient outcomes. Scilex’s commercial products include: (i) ZTlido (lidocaine topical system) 1.8%, a prescription lidocaine topical product approved by the U.S. Food and Drug Administration (the “FDA”) for the relief of neuropathic pain associated with postherpetic neuralgia, which is a form of post-shingles nerve pain; (ii) ELYXYB, a potential first-line treatment and the only FDA-approved, ready-to-use oral solution for the acute treatment of migraine, with or without aura, in adults; and (iii) Gloperba, the first and only liquid oral version of the anti-gout medicine colchicine indicated for the prophylaxis of painful gout flares in adults.