Cosmos Health Inc DEFA14A, filed Jun 5, 2026

Cosmos Health Inc. (COSM)

DEFA14A 2026-06-05

Added on October 17, 2026

☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material under §240.14a-12

☒	No fee required.
☐	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

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☐		Fee paid previously with preliminary materials.

☐		Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11 (a)(2) and identity the filing for which the offsetting fee was paid previously. Identity the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

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COSMOS HEALTH INC. THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS ANNUAL MEETING OF STOCKHOLDERS – JULY 15, 2026 AT 9:00 AM LOCAL TIME

The undersigned hereby appoints Grigorios Siokas and Georgios Terzis, and each of them, with full power of substitution and power to act alone, as proxies to vote all the shares of Common Stock which the undersigned would be entitled to vote if personally present and acting at the Annual Meeting of Shareholders of Cosmos Health Inc., to be held on July 15, 2026 at 9:00 a.m., at the Company’s U.S. offices at 141 West Jackson Boulevard, Suite 4236, Chicago, Illinois 60604, and at any adjournments or postponements thereof, as follows:

(CONTINUED AND TO BE SIGNED ON REVERSE SIDE.)

VOTING INSTRUCTIONS Please mark, sign, date, and return this Proxy Card promptly using the enclosed envelope.
If you vote by phone, fax or internet, please DO NOT mail your proxy card. Vote by fax Complete the reverse portion of this Proxy Card and Fax to 202-521-3464 Vote by telephone

	·	Call toll-free designated number 1-866-752-VOTE(8683). There is NO CHARGE for this call.
	·	Follow the instructions provided by the recorded message.

Electronic Voting Instructions

	·	Log on to the Internet and go to
		https://www.iproxydirect.com/COSM
	·	Follow the steps outlined on this secured Web site.