Your Vote Matters
If you owned Athena Technology Acquisition Corp. (NYSE: ATHN) (“ATHN”) stock as of the close of business on November 23, 2021, we encourage you to vote as soon as possible and before 11:59 p.m. ET on December 27, 2021 in favor of the business combination with Heliogen, Inc and all of the proposals described in ATHN’s proxy statement/prospectus. The Special Meeting to approve the business combination will be held on December 28, 2021.
How to Vote
Your vote matters. Athena Technology Acquisition Corp. (“ATHN”) encourages all stockholders to vote today in favor of the business combination with Heliogen, Inc. and all of the proposals described in ATHN’s proxy statement/prospectus! ATHN urges you to read carefully and consider the information contained in its proxy statement/prospectus before voting.
Voting is simple. There are three ways to vote:



*If Voting by Mail, to ensure your vote is handled properly, be sure to:
- Mark, sign and date your proxy card or Voting Instruction Form;
- Fold and return your proxy card or Voting Instruction Form in the postage-paid envelope provided or through any other means described in your Voting Instruction Form; and
- Mail as soon as possible so that your vote arrives before 11:59 p.m. EST on December 27, 2021.
YOUR CONTROL NUMBER IS FOUND ON YOUR PROXY CARD OR VOTING INSTRUCTION FORM
If you are holder of record of your ATHN shares and did not receive or misplaced your proxy card, contact Morrow Sodali, ATHN’s proxy solicitor, for a form replacement or to obtain your control number. If you hold your shares through a broker, bank or other nominee and did not receive or have misplaced your Voting Instruction Form, contact your bank, broker or other nominee for a form replacement or to obtain your control number. You will need this in order to vote or to attend the Special Meeting. A bank, broker or other nominee is a person or firm that acts as an intermediary between an investor and the stock exchange who can help you vote your shares.

Have questions or need help voting your shares? Read on for more information, or call or email Morrow Sodali, ATHN’s proxy solicitor, at (800) 662-5200 or ATHN.info@investor.morrowsodali.com.
Frequently Asked Questions (FAQs)
How do I attend the Special Meeting on December 28, 2021 at 10:00 AM EST?
Due to the ongoing COVID-19 pandemic, the Special Meeting will be held in an exclusively virtual format on December 28, 2021 at 10:00 AM EST. The live webcast for the Special Meeting is accessible at https://www.cstproxy.com/athenatechnology/2021/, where you will be able to listen to the meeting live and vote during the meeting.
How do I vote my shares?
If you are a holder of record of ATHN common stock as of the close of business on November 23, 2021, the record date for the special meeting, you may vote at the special meeting via the virtual meeting platform or by submitting a proxy for the special meeting in advance. You may submit your proxy by completing, signing, dating and returning the enclosed proxy card in the accompanying pre-addressed postage paid envelope. If you hold your shares in “street name,” which means your shares are held of record by a broker, bank or nominee, as of the close of business on November 23, 2021, your broker, bank or nominee should provide you with a Voting Instruction Form by mail or email so that you can provide them with instruction on how to vote your shares ahead of the Special Meeting. If you hold your shares “in street name,” and do not receive a Voting Instruction Form or have any questions about this form, you should contact your broker, bank or nominee to ensure that votes related to the shares you beneficially own are properly counted. If you hold your shares “in street name” and you plan to attend and vote at the Special Meeting, then you will need to obtain a proxy from your broker, bank or nominee.
Can I still vote if I no longer own my shares?
Yes, if you owned ATHN shares as of the close of business on November 23, 2021, the record date for the Special Meeting, you can still vote your shares even if you no longer own them.
Where can I find my control number?
Your voting control number is the number provided on the proxy card or your Voting Instruction Form in large bold text that was mailed (or e-mailed) to you with your proxy materials. If you are a holder of record and cannot locate your control number, contact Morrow Sodali, ATHN’s proxy solicitor, to obtain your control number. If your shares are held by a bank, broker or other nominee and you cannot locate your control number, you will need to contact them to obtain your control number.
When do I need to vote by?
We encourage you to vote as soon as possible! Internet votes must be received by ATHN before 11:59 p.m. ET on December 27, 2021. If you vote by mail, we suggest you mail your signed proxy card or Voting Instruction Form as soon as possible so that your vote arrives before December 28, 2021. Mailed votes received by ATHN after the start of the Special Meeting will not be counted. You may also vote by attending the Special Meeting to be held at 10:00 a.m. Eastern Time on December 28, 2021. Please note that if you hold your shares through a broker, bank or nominee, your broker, bank or nominee may have an earlier deadline for voting. Contact the broker, bank or nominee who holds your shares if you have questions about their deadline.
How long will it take to vote?
Voting is simple and designed to take just a few minutes, depending on how you vote. We recommend voting online for the quickest experience.
Who should I contact with questions?
If you need assistance voting your shares, please call Morrow Sodali LLC, ATHN’s proxy solicitor, toll-free at (800) 662-5200 or send an e-mail to ATHN.info@investor.morrowsodali.com. Banks and brokers can place a collect call to Morrow Sodali at (203) 658-9400.
No Offer
This communication shall neither constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which the offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such jurisdiction.
Important Information for Investors and Stockholders
In connection with the proposed business combination, Athena Technology Acquisition Corp. (“Athena”) has filed with the Securities and Exchange Commission (“SEC”) a registration statement on Form S-4 that has been declared effective by the SEC, which includes a prospectus of Athena with respect to the securities to be issued in connection with the business combination with Heliogen, Inc. (“Heliogen”) and a definitive proxy statement of Athena with respect to the Special Meeting. The combined proxy statement/prospectus relating to the proposed business combination will be mailed to Athena’s stockholders on or about December 6, 2021. This press release does not contain all the information that should be considered concerning the proposed business combination and is not intended to form the basis of any investment decision or any other decision in respect of the business combination. The proposed business combination and related transactions will be submitted to stockholders of Athena for their consideration. Athena’s stockholders and other interested persons are advised to read the definitive proxy statement/prospectus and other documents filed in connection with Athena’s solicitation of proxies for its special meeting of stockholders to be held to approve, among other things, the proposed business combination and related transactions, because these materials contain important information about Heliogen, Athena and the proposed business combination and related transactions. The definitive proxy statement/prospectus and other relevant materials for the proposed business combination will be mailed to stockholders of Athena as of November 23, 2021. Stockholders may also obtain a copy of the preliminary or definitive proxy statement/prospectus, once available, as well as other documents filed with the SEC by Athena, without charge, at the SEC’s website located at www.sec.gov or by directing a request to Phyllis Newhouse, President and Chief Executive Officer, Athena Technology Acquisition Corp., 125 Townpark Drive, Suite 300, Kennesaw, GA 30144, or by telephone at (970) 924- 0446.
Participants in the Solicitation
Athena, Heliogen and their respective directors and executive officers and other persons may be deemed to be participants in the solicitations of proxies from Athena’s stockholders in respect of the proposed business combination and related transactions. Information regarding Athena’s directors and executive officers is available in its Registration Statement on Form S-1 and the prospectus included therein filed with the SEC on March 3, 2021. Additional information regarding the participants in the proxy solicitation and a description of their direct and indirect interests are contained in the definitive proxy statement/prospectus related to the proposed business combination and related transactions, and which can be obtained free of charge from the sources indicated above.