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Birchtech Corp. — Proxy Solicitation & Information Statement 2026
Jun 24, 2026
47058_rns_2026-06-24_8fd49412-dc86-46c1-a524-a22b4b9f11f1.pdf
Proxy Solicitation & Information Statement
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Transfer Online, Inc.
512 SE Salmon ST
Portland, OR 97214
SCAN TO VIEW MATERIALS & VOTE
VOTE BY INTERNET - www.proxyvote.com or scan the QR Barcode above
Use the Internet to transmit your voting instructions and for electronic delivery of information. Vote by 11:59 P.M. ET on 07/22/2028. Have your proxy card in hand when you access the web site and follow the instructions to obtain your records and to create an electronic voting instruction form.
VOTE BY PHONE - 1-800-690-6903
Use any touch-tone telephone to transmit your voting instructions. Vote by 11:59 P.M. ET on 07/22/2028. Have your proxy card in hand when you call and then follow the instructions.
VOTE BY MAIL
Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717.
TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
KEEP THIS PORTION FOR YOUR RECORDS
DETACH AND RETURN THIS PORTION ONLY
| THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. | For All | Withhold All | For All Except | To withhold authority to vote for any individual nominee(s), mark "For All Except" and write the number(s) of the nominee(s) on the line below. | |
|---|---|---|---|---|---|
| The Board of Directors recommends you vote FOR the following: | ☐ | ☐ | ☐ | ||
| 1. Election of Directors | Nominees | ||||
| 01 Richard MacPherson | 02 David M. Kaye | 03 Troy Grant | 04 Mitzi H. Coogler | ||
| The Board of Directors recommends you vote FOR proposals 2, 3 and 4. | For Against Abstain | ||||
| 2 Ratification of Rosenberg Rich Baker Berman, P.A. | ☐ ☐ ☐ | ||||
| 3 Approval of advisory vote on executive compensation. | ☐ ☐ ☐ | ||||
| 4 Approval of an amendment to the certificate of incorporation to decrease the number of authorized shares of common stock from 150,000,000 to 50,000,000. | ☐ ☐ ☐ | ||||
| NOTE: Such other business as may properly come before the meeting or any adjournment thereof. | |||||
| Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name, by authorized officer. | |||||
| Signature [PLEASE SIGN WITHIN BOX] Date | Signature (Joint Owners) Date |

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting: The Annual Report, Proxy Statement are available at www.proxyvote.com
BIRCHTECH CORP.
Annual Meeting of Stockholders
July 23, 2026 10:00 AM
This proxy is solicited by the Board of Directors
The stockholder(s) hereby appoints Richard MacPherson and David M. Kaye, or any of them, as attorneys and proxies of the undersigned, each with the power to appoint his substitute, and hereby authorizes them to represent and to vote, as designated on the reverse side of this ballot, all of the shares of Common Stock of BIRCHTECH CORP. that the stockholder(s) is/are entitled to vote at the Annual Meeting of Stockholders to be held at 10:00 AM, Eastern Time on July 23, 2026, exclusively online via the internet, at www.virtualshareholdermeeting.com/BCHT2026 and any adjournment or postponement thereof.
This proxy, when properly executed, will be voted in the manner directed herein. If no such direction is made, this proxy will be voted in accordance with the Board of Directors' recommendations.
Continued and to be signed on reverse side
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