FROST PHILLIP MD ET AL sold OPK

Footnotes

The 5% Convertible Promissory Notes due 2025 were originally entered into on February 27, 2018 and the Reporting Person had the option to convert all or any portion of the outstanding principal balance of such original notes, plus unpaid interest, into shares of the Company's common stock, par value $0.01 per share, at a conversion price of $5.00 per share, at any time prior to the maturity date, which was February 27, 2023. Pursuant to an amendment on February 10, 2023, the maturity date was extended to January 31, 2025, which amendment also reset the conversion price to the 10 day volume weighted average price immediately preceding the date of such amendment, plus a 25% conversion premium, or $1.66.; The securities are held by Frost Gamma Investments Trust, of which Phillip Frost M.D., is the trustee. Frost Gamma L.P. is the sole and exclusive beneficiary of Frost Gamma Investments Trust. Dr. Frost is one of two limited partners of Frost Gamma L.P. The general partner of Frost Gamma L.P. is Frost Gamma, Inc., and the sole shareholder of Frost Gamma, Inc. is Frost-Nevada Corporation. Dr. Frost is also the sole shareholder of Frost-Nevada Corporation. The reporting person disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.