Company: NWBI
Filing Date: 2025-02-24
Form Type: 424B3
Source: 0001193125-25-033488
Chunk: 19

Company: Northwest Bancshares, Inc.
Filing Date: 2025-02-24
Form: 424B3
Chunk 19
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 following the Luzerne Bank Merger, or at such later time specified by Northwest Bank, Jersey Shore Bank will merge with and into Northwest Bank, with Northwest Bank being the surviving
entity (the “Jersey Shore Bank Merger” and together with the Luzerne Bank Merger, the “Subsidiary Bank Mergers”). The Merger Agreement is attached to this proxy statement/prospectus as and is incorporated in this
proxy statement/prospectus by reference.We encourage you to read the Merger Agreement carefully, as it is the legal document that governs the Merger.

What Penns Woods shareholders will receive in the Merger (page 64)

Under the terms of the Merger Agreement, holders of Penns Woods common stock will receive 2.385 shares of Northwest common stock for each share
of Penns Woods common stock they hold immediately prior to the Effective Time.

Northwest will not issue any fractional shares of common
stock in connection with the Merger. Instead, each holder of Penns Woods common stock who would otherwise be entitled to receive a fraction of a share of Northwest common stock (after taking into account all shares of Penns Woods common stock owned
by such holder at the Effective Time) will receive cash (rounded to the nearest cent), without interest, in an amount equal to the fractional share of Northwest common stock to which such holder would otherwise be entitled multiplied by the average
of the closing-sale prices of Northwest common stock on the Nasdaq Global Select Market as reported by The Wall Street Journal for the five (5) consecutive full trading days ending on
the trading day preceding the Effective Date.

Exchange of Penns Woods common stock (page 65)

As promptly as practicable after the completion of the Merger, but no more than five (5) business days of the Effective Date, Equinti
Trust Company, or such other company agreed to by Northwest and Penns Woods, as

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exchange agent (the “Exchange Agent”), will mail you transmittal materials and instructions for exchanging your Penns Woods stock certificates for Northwest common stock to be issued by book-entry transfer. Penns Woods Special Meeting of shareholders (page 25) A special meeting of shareholders of Penns Woods will be held at 9:00 a.m., Eastern Daylight Time, on Tuesday, April 22, 2025, and accessed virtually at https://meetnow.global/MVDHGFG, for the purpose of considering and voting on the following matters:

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