Heron Therapeutics extends Tax Benefit Preservation Plan to August 14, 2029

HERON THERAPEUTICS, INC. /DE/

Amendment No. 1 to Tax Benefit Preservation Plan dated Aug 13, 2026 with Computershare Trust Company.
Final Expiration Date extended from Aug 14, 2026 to Aug 14, 2029.
Plan originally dated Aug 14, 2025; amendment modifies definition of Final Expiration Date.
No other terms of the Plan changed; rights agent remains Computershare.

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