Proxy Solicitation & Information Statement • Mar 16, 2025
Proxy Solicitation & Information Statement
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Filed by the Registrant ☒ Filed by a party other than the Registrant ☐
Check the appropriate box:
(Name of Registrant as Specified In Its Charter)
Payment of Filing Fee (Check the appropriate box)


Wednesday, April 23, 2025 10:00 AM, Eastern Time
Annual Meeting to be held live via the Internet - please visit www.proxydocs.com/OPK for more details.
You must register to attend the meeting online and/or participate at www.proxydocs.com/OPK
For a convenient way to view proxy materials, VOTE, and obtain directions to attend the meeting go to www.proxydocs.com/OPK
This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. This is not a ballot. You cannot use this notice to vote your shares. We encourage you to access and review all of the important information contained in the proxy materials before voting.
Under United States Securities and Exchange Commission rules, proxy materials do not have to be delivered in paper. Proxy materials can be distributed by making them available on the internet.
If you want to receive a paper or e-mail copy of the proxy material, you must request one. There is no charge to you for requesting a copy. In order to receive a paper package in time for this year's meeting, you must make this request on or before April 11, 2025.
SEE REVERSE FOR FULL AGENDA
Copyright @ 2025 BetaNXT, Inc. or its affiliates. All Rights Reserved
Meeting Materials: Notice of Meeting and Proxy Statement & Annual Report or Form 10-K
Important Notice Regarding the Availability of Proxy Materials for the Stockholders Meeting To Be Held On April 23, 2025 For Stockholders as of February 24, 2025
To order paper materials, use one of the following methods.

Internet: www.investorelections.com/OPK

1-866-648-8133

· If requesting material by e-mail, please send a black e-mail with the 12 digit control number (located below) in the subject line. No other
requests, Instructions OR other inquiries should be locluded with your e-mail requesting macerial.
Your control number
Have the 12 digit control number located in the box above available when you access the website and follow the instructions.

FOR ON PROPOSALS 1, 2 AND 3
| PROPOSAL | ||||
|---|---|---|---|---|
1.01 Phillip Frost, M.D.
1.02 Jane H. Hsiao, Ph.D., MBA
1.03 Ellas A. Zerhouni, M.D.
1.04 Steven D. Rubin
1.05 Gary J. Nabel, M.D., Ph.D.
1.06 Richard M. Krasno, Ph D
1.07 Prem A. Lachman, M.D.
1.08 Roger J. Medel, M.D.
1.09 John A. Paganelli
1.10 Richard C. Pfenniger, Jr
1.11 Alice Lin-Tsing Yu, M.D., Ph.D.
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