How to Vote

Voting is quick and easy

Your vote is important. Vote on the WHITE proxy card today.

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For
the re-election of Richard W. Pascoe, David S. Tierney, M.D., and Christopher A. Posner as Class II directors
x
AGAINST
the Mangless Proposal to adopt a resolution that would repeal any provision of the Company’s Amended and Restated Bylaws in effect at the time of the Annual Meeting that was not included in the Company’s Amended and Restated Bylaws in effect as of January 1, 2023

Locate the Zevra proxy materials recently sent to you, which contain the WHITE proxy card or WHITE voting instruction form. They have been sent by hard-copy mail, and perhaps also by email if you earlier consented to receiving materials by email from your bank or broker.

Do not vote ”FOR” any of the Mangless nominees. You should mark “WITHHOLD” for each of the Mangless nominees. If you vote for more than three nominees, your vote will be invalid and will not be counted for any nominee.

Note: If you hold shares in different accounts, you will receive different sets of materials for each account – it is important that you vote with respect to each account you own.

Questions?

If you have questions or need assistance voting your shares, please contact our proxy solicitor:

Morrow Sodali LLC
509 Madison Avenue, 12th Floor
New York, NY 10022

Toll-free: 1 (800) 662-5200 or (203) 658-9400
Email: ZVRA@info.morrowsodali.com

You have until April 24, 2023, at 11:59 PM ET to submit your vote online.

If you vote using the WHITE proxy card or WHITE voting instruction form and vote by mail, it will need to be received prior to the closing of the polls at the Annual Meeting on April 25, 2023.

If you register for the Annual Meeting in advance and attend the Annual Meeting, you may also vote online during the meeting prior to the closing of the polls.

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Vote Online

Find the Control Number shown on the WHITE proxy card or WHITE voting instruction form, access the voting website indicated, and follow the simple instructions. You will be asked to provide your Control Number.

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Vote by Mail

Sign, date and return the WHITE proxy card or WHITE voting instruction form in the postage-paid envelope provided. If you cannot locate the envelope, simply return it to the address shown on each WHITE proxy card you received. (Please note the return addresses may be different for shares held in different accounts.)

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Vote by Email

If you received your proxy materials electronically, locate the email that relates to the WHITE voting instruction form, click the “VOTE NOW!” button in the body of the email, and follow the easy instructions on the voting site.

Questions?

If you have questions or need assistance voting your shares, please contact our proxy solicitor:

Morrow Sodali LLC
509 Madison Avenue, 12th Floor
New York, NY 10022

Toll-free: 1 (800) 662-5200 or (203) 658-9400
Email: ZVRA@info.morrowsodali.com