Company: WSBC
Filing Date: 2025-02-10
Form Type: 425
Source: 0000950170-25-017126
Chunk: 6

Company: WESBANCO INC
Filing Date: 2025-02-10
Form: 425
Chunk 6
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 Company or Premier with the SEC, may be obtained for free at the SEC’s website at www.sec.gov, and from either the Company’s or Premier Financial’s website at www.wesbanco.com or www.premierfincorp.com, respectively. This Current Report on Form 8-K shall not constitute an offer to sell or a solicitation of an offer to buy any securities nor shall there be any sale of securities in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. Additional Information about the Acquisition and Where to Find It 3 No Offer or Solicitation ©2025 WesBanco, Inc. | All rights reserved

TN 2% IN 7% KY 12% MD 25% OH 30% PA 9% WV 15% Loans TN 0% IN 5% KY 17% MD 17% OH 22% PA 13% WV 26% Deposits • Strong and balanced market presence across diverse geographies that supports disciplined organic growth • Granular core deposit funding base supports robust commercial and consumer business model • Diversified revenue streams built upon unique long-term advantages • Distinct long-term growth strategies built upon prudent credit, capital, and risk management 4 Diversified business model with strong market presence Note: average loan and deposit data as of 12/31/2024; location data as of 12/31/2024 (loan production offices indicated by red dots); market share based on 2024 deposit rankings (except Pittsburgh which is MSA) (exclusions: Pittsburgh MSA – BNY Mellon, Raymond James; MD – Forbright, Capital Funding; OH – National Consumer Cooperative Bank) (source: S&P Capital IQ as of 10/2/2024) Differentiated Regional Financial Services Institution #13 in MD #17 in OH #12 in KY #3 in WV #10 Pgh MSA Strong Market Presence in Major Markets Broad and Balanced Market Distribution ©2025 WesBanco, Inc. | All rights reserved

• Balanced loan and deposit distribution across contiguous eight state footprint, with complementary loan production office strategy • Full suite of commercial and consumer banking capabilities, complemented by a wealth management business with a 100+ year track-record of success managing assets of $6.0B under trust and $1.9B under securities brokerage • Robust legacy deposit base provides core funding and pricing advantages • Streamlining