Company: WSBC
Filing Date: 2025-09-11
Form Type: 424B5
Source: 0001193125-25-201360
Chunk: 76

Company: WESBANCO INC
Filing Date: 2025-09-11
Form: 424B5
Chunk 76
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 This prospectus supplement has been prepared without regard to the disclosure standards for issuance prospectuses under art. 652a or art. 1156 of the Swiss Code of Obligations or
the disclosure standards for listing prospectuses under art. 27 ff. of the SIX Listing Rules or the listing rules of any other stock exchange or regulated trading facility in Switzerland. Neither this prospectus supplement nor any other offering or
marketing material relating to the depositary shares or the offering may be publicly distributed or otherwise made publicly available in Switzerland.

S-52

LEGAL MATTERS

The validity of the Series B Preferred Stock will be passed upon for Wesbanco by Phillips, Gardill, Kaiser & Altmeyer, PLLC
(“PGKA”), Wheeling, West Virginia. The validity of the depositary shares will be passed upon for Wesbanco by K&L Gates LLP, Pittsburgh, Pennsylvania. K&L Gates LLP will rely upon the opinion of PGKA as to matters of West Virginia
law. Alston & Bird LLP, Atlanta, Georgia will pass upon certain legal matters for the underwriters. Denise Knouse-Snyder is a member of PGKA and is also on the board of directors of Wesbanco. As of August 31, 2025, the members of PGKA
beneficially owned 46,683 shares of Wesbanco common stock and 1,972 shares of Wesbanco Series A Preferred Stock. PGKA and K&L Gates LLP regularly perform legal services for Wesbanco.

EXPERTS

The consolidated financial statements of Wesbanco appearing in Wesbanco’s Annual Report (Form
10-K) for the year ended December 31, 2024, and the effectiveness of Wesbanco’s internal control over financial reporting as of December 31, 2024, have been audited by Ernst & Young
LLP, independent registered public accounting firm, as set forth in their reports thereon, included therein, and incorporated herein by reference. Such consolidated financial statements are incorporated herein by reference in reliance upon such
reports given on the authority of such firm as experts in accounting and auditing.

The consolidated financial statements of Premier
Financial Corporation as of December 31, 2024 and 2023, and for each of the three years in the period ended December 31, 2024 and the effectiveness of Premier Financial Corporation’s internal control over financial reporting as of
December 31, 2024, incorporated by reference in this prospectus have