Material Event (Form 8-K)

As previously disclosed, Aldeyra Therapeutics, Inc. ("Aldeyra" or the "Company") entered into that certain Loan and Security Agreement, dated as of March 25, 2019, by and among the Company, Helio Vision, LLC, the several banks and other financial institutions or entities from time to time parties thereto (the "Lenders") and Hercules Capital, Inc., in its capacity as administrative agent and collateral agent for itself and the Lenders (as amended from time to time, the "Hercules Credit Facility"), with a maturity date of April 1, 2026.

On April 1, 2026, the Company paid off the outstanding borrowings of $15 million, and terminated all outstanding commitments under the Hercules Credit Facility. As a result, the Hercules Credit Facility terminated pursuant to its terms. As previously disclosed, cash, cash equivalents, and marketable securities as of December 31, 2025 are expected to support operations into 2028.