WesBanco and First Sentry and their respective executive officers and directors may be deemed to be participants in the solicitation of proxies from the shareholders of First Sentry in connection with the proposed merger. Information about the directors and executive officers of WesBanco is set forth in the proxy statement for WesBanco's 2017 annual meeting of shareholders, as filed with the SEC on March14, 2017. Information about any other persons who may, under the rules of the SEC, be considered participants in the solicitation of First Sentry shareholders in connection with the proposed merger is included in the Proxy Statement/Prospectus. You can obtain free copies of these documents from the SEC or WesBanco using the website information above. This communication does not 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 such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

FIRST SENTRY SHAREHOLDERS ARE URGED TO READ THE PROXY STATEMENT/PROSPECTUS CAREFULLY BEFORE MAKING ANY VOTING OR INVESTMENT DECISIONS WITH RESPECT TO THE PROPOSED MERGER.