Proxy Results (Form 8-K)

Advent Technologies Holdings, Inc. (the "Company") held its annual meeting of stockholders on October 22, 2025. For more information about the proposals set forth below, please see the Company's definitive Proxy Statement filed with the Securities and Exchange Commission on September 30, 2025. As of September 19, 2025, the record date of the annual meeting, there were 3,291,634 shares of common stock were issued and outstanding and 1,307,771 shares of common stock were present in person or by proxy at the annual meeting. The final voting results on each of the matters submitted to a vote of stockholders were as follows:

Proposal No. 1: To elect Marc Seelenfreund as a Class II director of the Board of Directors. The nominee listed below has been elected to serve on the Board of Directors of the Company as a Class II director with a term expiring at the 2028 annual meeting of the Company's stockholders or until his successor is duly elected and qualified in accordance with our second amended and restated certificate of incorporation and amended and restated bylaws, or his earlier death, resignation or removal. The voting results were as follows:

To elect Seth Lukash as a Class II director of the Board of Directors. The nominee listed below has been elected to serve on the Board of Directors of the Company as a Class II director with a term expiring at the 2028 annual meeting of the Company's stockholders or until his successor is duly elected and qualified in accordance with our second amended and restated certificate of incorporation and amended and restated bylaws, or his earlier death, resignation or removal. The voting results were as follows:

To elect Joseph Celia as a Class II director of the Board of Directors. The nominee listed below has been elected to serve on the Board of Directors of the Company as a Class II director with a term expiring at the 2028 annual meeting of the Company's stockholders or until his successor is duly elected and qualified in accordance with our second amended and restated certificate of incorporation and amended and restated bylaws, or his earlier death, resignation or removal. The voting results were as follows:

Proposal No. 2: To ratify the appointment of M&K CPAS, PLLC as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2025. Approval of the proposal required the affirmative vote of a majority of all votes cast at the meeting. Abstentions had no effect on the result of the vote. The proposal was approved by a vote of stockholders as follows:

Proposal No. 3: To approve, for purposes of complying with Nasdaq Listing Rule 5635(d), the potential issuance and sale of 20% or more of the Company's common stock, par value $0.0001 per share (the "Common Stock") pursuant to the purchase agreement with Hudson Global Ventures, LLC ("Hudson Global") pursuant to which Hudson Global has agreed to purchase from the Company, from time to time, up to $52,000,000 of Common Stock. The voting results were as follows: