Company: WSBC
Filing Date: 2025-02-10
Form Type: 425
Source: 0000950170-25-017126
Chunk: 35

Company: WESBANCO INC
Filing Date: 2025-02-10
Form: 425
Chunk 35
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 common equity raise Acquisition of Premier Financial Corp. Note: this slide is supplemental and was not part of the 7/26/2024 presentation filed in conjunction with the acquisition announcement ©2025 WesBanco, Inc. | All rights reserved

Earnings • Projections for WSBC and PFC based on consensus estimates through 2025; 5% growth thereafter Cost Savings • ~26% of PFC’s NIE expense base ($41.4 million on a fully phased basis) • 75% to be realized in 2025 and 100% to be realized thereafter Merger Expenses • $71.6 million of pre-tax, non-capitalized, merger-related charges • $12.6 million of capitalized expenses at close, amortized over 15 years Key Fair Value Marks(1) • Credit mark: 1.80% ($120.5 million); 41% PCD ($49.8M) and 59% non-PCD ($70.7M) • Interest rate mark: 4.9% ($324.5 million) • TruPS write-down: $5.3 million (14.6%) • Core Deposit Intangible: $147.9 million (3.38% of PFC’s non-time deposits)(2) Other Assumptions • ~$400 million of borrowings paid down at close • ~$213 million of Premier’s securities to be sold at close • Net proceeds from capital raise to be down-streamed to the bank • PFC’s cash flow hedges to be settled at close Key transaction assumptions Acquisition of Premier Financial Corp. 44 (1) Fair value marks based on metrics as of June 30, 2024 (2) Non-time deposits excludes public funds ©2025 WesBanco, Inc. | All rights reserved

Impact summary Acquisition of Premier Financial Corp. 45 (1) Excludes one time deal charges, Non-PCD CECL Day-2 double count, and assumes fully phased in cost saves. (2) Rate marks include interest rate mark on loans and write-down of trust preferred securities. (3) Excludes all impacts from CECL, including accretion of the Non-PCD mark. (4) Pro forma tangible book value includes Non-PCD CECL Day-2 double count. (5) Inclusive of MTM adjustments and ~$191mm of net proceeds from capital raise down-streamed to the bank to pay off bank level borrowings. Note: