IMPORTANT ADDITIONAL INFORMATION
In connection with the proposed transaction, Huntington will file with the SEC a Registration Statement on Form S-4 that will include a Joint Proxy Statement of Huntington and Cadence and a Prospectus of Huntington, as
well as other relevant documents concerning the proposed transaction. The proposed transaction involving Huntington and Cadence will be submitted to Huntington’s shareholders and Cadence’s shareholders for their consideration. This communication
does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be
unlawful prior to registration or qualification under the securities laws of any such jurisdiction. INVESTORS, SHAREHOLDERS OF HUNTINGTON AND SHAREHOLDERS OF CADENCE ARE URGED TO READ THE REGISTRATION STATEMENT AND THE JOINT PROXY
STATEMENT/PROSPECTUS REGARDING THE TRANSACTION WHEN IT BECOMES AVAILABLE AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC AND THE FEDERAL RESERVE, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS, BECAUSE THEY WILL CONTAIN IMPORTANT
INFORMATION. Shareholders will be able to obtain a free copy of the definitive joint proxy statement/prospectus, as well as other filings containing information about Huntington and Cadence, without charge, at the SEC’s website (http://www.sec.gov)
and Cadence’s website (https://ir.cadencebank.com/fdic-federal-reserve-filings), respectively. Copies of the joint proxy statement/prospectus, when available, and the filings with the SEC and the Federal Reserve that will be incorporated by
reference in the joint proxy statement/prospectus can also be obtained, without charge, by directing a request to Huntington Investor Relations, Huntington Bancshares Incorporated, Huntington Center, 41 South High Street, Columbus, Ohio 43287,
(800) 576-5007. Copies of the joint proxy statement/prospectus, when available, and filings containing information about Cadence may be obtained after their filing with the Federal Reserve at
(https://ir.cadencebank.com/fdic-federal-reserve-filings), by directing a request to Will Fisackerly, Cadence Investor Relations, Cadence Bank, (800) 698-7878, IR@cadencebank.com. References to Cadence’s website does not constitute incorporation
by reference of the information contained on the website and is not, and should not be, deemed part of this filing.
PARTICIPANTS IN THE SOLICITATION
Huntington, Cadence, and certain of their respective directors and executive officers may be deemed to be participants in the solicitation of proxies from the shareholders of Huntington and shareholders of Cadence in
connection with the proposed transaction. Information regarding the interests of the directors and executive officers of Huntington and Cadence and other persons who may be deemed to be participants in the solicitation of shareholders of
Huntington and Cadence in connection with the transaction and a description of their direct and indirect interests, by security holdings or otherwise, will be included in the definitive joint proxy statement/prospectus related to the transaction,
which will be filed by Huntington with the SEC. Information regarding Huntington’s directors and executive officers is available in its definitive joint proxy statement relating to its 2025 Annual Meeting of Shareholders, which was filed with the
SEC on March 6, 2025, and other documents filed by Huntington with the SEC. Information regarding Cadence’s directors and executive officers is available in its definitive proxy statement relating to its 2025 Annual Meeting of Shareholders, which
was filed with the Federal Reserve on March 14, 2025, and other documents filed by Cadence with the Federal Reserve. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests,
by security holdings or otherwise, will be contained in the joint proxy statement/prospectus and other relevant materials filed with the SEC and the Federal Reserve by Huntington and Cadence, respectively. Free copies of these documents may be
obtained as described above under “Important Additional Information.”