Company: ZVRA
Filing Date: 2025-04-21
Form Type: DEFC14A
Source: 0001193125-25-086293
Chunk: 9

Company: ZEVRA THERAPEUTICS, INC.
Filing Date: 2025-04-21
Form: DEFC14A
Chunk 9
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 you receive. If you have obtained a legal proxy and wish to participate in the Annual Meeting, you must pre-registerat http://www.cesonlineservices.com/zvra25_vm by 9:00 AM Eastern Time on May 28, 2025. Mr. Mangless has notified the Company that he intends to file his own proxy statement with the SEC in connection with the solicitation of proxies from stockholders of the Company. Accordingly, you may receive solicitation materials from Mr. Mangless seeking your proxy to vote in favor of the Mangless Nominees. If you do receive any materials other than from the Company, our Board strongly urges 11

you to discard and NOT to sign or return any proxy card sent to you by Mr. Mangless even if Mr. Mangless’ blue proxy card provides an option to vote for the Board’s nominees. Our Board recommends you vote “ FOR” the Board’s two nominees by submitting the enclosed WHITEproxy card. Even if you would like to elect one or both of the Mangless Nominees, we strongly recommend you use the Company’s WHITEproxy card to do so. What happens if I do not vote or if I return my proxy card but do not make specific choices? Stockholder of Record: Shares Registered in Your Name If you are a stockholder of record as of the Record Date and do not vote prior to the Annual Meeting online, by telephone, by completing and returning your WHITEproxy card, or during the Annual Meeting online, your shares will not be voted. If you return a signed and dated WHITEproxy card or otherwise vote without marking voting selections, your shares will be voted, as applicable:

| • |     | “FOR” the election of the Board’s two nominees for director; and |

If any other matters properly come before the Annual Meeting, the individuals named as proxies, or their duly constituted substitutes acting at the Annual Meeting, will vote in accordance with their judgment on such matters. Beneficial Owner: Shares Registered in the Name of Broker, Bank or Other Nominee If you are a beneficial owner and do not instruct your broker, bank or other nominee how to vote your shares, the question of whether your broker or nominee will still be able to vote your shares depends on whether the particular proposal is considered a “routine” matter. Brokers, banks, and other nominees generally can use their discretion to vote “uninstructed” shares with respect to matters that are considered to be “routine,” but not with respect to “non-routine