Company: NWBI
Filing Date: 2025-02-24
Form Type: 424B3
Source: 0001193125-25-033488
Chunk: 230

Company: Northwest Bancshares, Inc.
Filing Date: 2025-02-24
Form: 424B3
Chunk 230
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 be the property of the Surviving Bank, and the title to any real estate vested by deed or otherwise in Jersey Shore State Bank shall not revert or be in any way impaired by
reason of the Jersey Shore State Bank Merger. All rights of creditors and all liens of Jersey Shore State Bank shall be preserved unimpaired, and all debts, liabilities and duties of Jersey Shore State Bank shall at the Effective Time become
obligations of the Surviving Bank and may be enforced against it to the same extent as if such debts, liabilities and duties had been incurred or contracted by it.

10. . This Agreement shall be terminated upon the agreement of the parties hereto. In addition, this Agreement shall
terminate automatically upon termination of the Merger Agreement prior to the consummation of the Parent Merger.

11. .
The respective obligations of each party hereto to effect the Jersey Shore State Bank Merger shall be subject to: (a) the consummation of the Parent Merger; and (b) the receipt of all approvals and consents of regulatory authorities
required by law to effect the Jersey Shore State Bank Merger.

12. . On or before the Effective Time, the parties may
amend, modify or supplement this Plan of Merger in the manner as may be agreed upon between the parties in writing.

13. . This Agreement may be executed in one or more counterparts (including by facsimile or other electronic means), each of which shall be deemed to be an original but all of which together shall constitute one agreement.

14. . This Agreement shall be governed in all respects by the laws of the Commonwealth of Pennsylvania.

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15. . Any of the terms or conditions of this Agreement may be waived at any
time by the party that is entitled to the benefit thereof.

16. . This Agreement may not be assigned by any party hereto
without the prior written consent of the other party.

[Signature Page Follows]

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IN WITNESS WHEREOF, the parties have caused this Agreement to be executed by their duly authorized officers as of the date set forth above.

| NORTHWEST BANK |     |                                     |     | JERSEY SHORE STATE BANK |     |                          |
| By:            |     |                                     |     | By:                     |     |                          |
|                |     | Louis J. Torchio, President and CEO |     |                         |     | Richard A. Grafmyre, CEO |

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Annex