BOSTON, MA – October 13, 2021 – Advent Technologies Holdings, Inc. (NASDAQ: ADN) (“Advent”) today announced its membership in the American-Hellenic Chamber of Commerce, which is one of the largest and most active American Chambers in Europe with more than 750 U.S. companies as members. The Chamber is a non-for-profit organization that promotes economic and business relations between the United States and Greece.

The U.S. Ambassador to Greece Geoffrey R. Pyatt said, “I am glad to see Advent Technologies continue to expand its presence in Greece, including through its engagement with our important partners like the American-Hellenic Chamber of Commerce. Advent is a great example of how partnerships between U.S. technology leaders and the Greek innovation ecosystem can lead to cutting-edge solutions that address today’s global issues like climate change. Working with the Chamber gives us another great avenue through which we can advance our countries’ shared goals to accelerate the energy transition, while creating new jobs and sustainable industries. Advent’s work embodies the entrepreneurial DNA our countries share and our governments’ shared commitment to a clean energy future, and I applaud them on this important step.”

Dr. Vasilis Gregoriou, Advent Technologies Chairman and Chief Executive Officer, said, “We are happy to be a member of the American-Hellenic Chamber of Commerce and to actively supporting the continuous improvement of U.S.-Greek commercial and financial relations. We look forward to collaborating with the Chamber and our fellow members to expand these multinational relations while remaining committed to actively playing our global role in the clean energy transition through the advancement of innovative, effective Advent solutions.”

About Advent Technologies Holdings, Inc.

Advent Technologies Holdings, Inc. is a U.S. corporation that develops, manufactures, and assembles complete fuel cell systems, and the critical components for fuel cells in the renewable energy sector. Advent is headquartered in Boston, Massachusetts, with offices in California, Greece, Denmark, Germany, and the Philippines. With more than 100 patents issued for its fuel cell technology, Advent holds the IP for next-generation HT-PEM that enable various fuels to function at high temperatures under extreme conditions – offering a flexible “Any Fuel. Anywhere.” option for the automotive, aviation, defense, oil and gas, marine, and power generation sectors. For more information, visit www.advent.energy.

About the American-Hellenic Chamber of Commerce

The American-Hellenic Chamber of Commerce was established in 1932 and is one of the largest, most active and dynamic American Chambers in Europe. Virtually, all American companies that do business in Greece and Greek companies that engage in trade with the United States are members of the Chamber. The Chamber’s membership is comprised of 750 companies that seek to expand business horizons, create new business partnerships, and take advantage of trade and investment opportunities in today’s global economy. The Chamber promotes economic and business relations between the United States and Greece. It is a wholly autonomous, not-for-profit organization and receives no subsidy from any government body. The American-Hellenic Chamber of Commerce is an active member of the U.S. Chamber of Commerce in Washington D.C. and the European Council of American Chambers of Commerce.

Cautionary Note Regarding Forward-Looking Statements

This press release includes forward-looking statements. These forward-looking statements generally can be identified by the use of words such as “anticipate,” “expect,” “plan,” “could,” “may,” “will,” “believe,” “estimate,” “forecast,” “goal,” “project,” and other words of similar meaning. Each forward-looking statement contained in this press release is subject to risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such statement. Applicable risks and uncertainties include, among others, the Company’s ability to maintain the listing of the Company’s common stock on Nasdaq; future financial performance; public securities’ potential liquidity and trading; impact from the outcome of any known and unknown litigation; ability to forecast and maintain an adequate rate of revenue growth and appropriately plan its expenses; expectations regarding future expenditures; future mix of revenue and effect on gross margins; attraction and retention of qualified directors, officers, employees and key personnel; ability to compete effectively in a competitive industry; ability to protect and enhance our corporate reputation and brand; expectations concerning our relationships and actions with our technology partners and other third parties; impact from future regulatory, judicial and legislative changes to the industry; ability to locate and acquire complementary technologies or services and integrate those into the Company’s business; future arrangements with, or investments in, other entities or associations; and intense competition and competitive pressure from other companies worldwide in the industries in which the Company will operate; and the risks identified under the heading “Risk Factors” in our Annual Report on Form 10-K/A filed with the Securities and Exchange Commission on May 20, 2021, as well as the other information we file with the SEC. We caution investors not to place considerable reliance on the forward-looking statements contained in this press release. You are encouraged to read our filings with the SEC, available at www.sec.gov, for a discussion of these and other risks and uncertainties. The forward-looking statements in this press release speak only as of the date of this document, and we undertake no obligation to update or revise any of these statements. Our business is subject to substantial risks and uncertainties, including those referenced above. Investors, potential investors, and others should give careful consideration to these risks and uncertainties.

Media Contacts

Advent Technologies Holdings, Inc.
Elisabeth Maragoula
emaragoula@advent.energy

Sloane & Company
James Goldfarb / Emily Mohr
jgoldfarb@sloanepr.com / emohr@sloanepr.com