Company: NWBI
Filing Date: 2025-02-20
Form Type: S-4/A
Source: 0001193125-25-030716
Chunk: 229

Company: Northwest Bancshares, Inc.
Filing Date: 2025-02-20
Form: S-4/A
Chunk 229
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 shall be preserved unimpaired, and all debts, liabilities and duties of Luzerne 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 Luzerne 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 Luzerne 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.

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.

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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 |     |                                     |     | LUZERNE BANK |     |                          |
| By:            |     |                                     |     | By:          |     |                          |
|                |     | Louis J. Torchio, President and CEO |     |              |     | Richard A. Grafmyre, CEO |

A-76

Exhibit C

Form of Jersey Shore State Bank Merger Agreement

See attached.

A-77

AGREEMENT AND PLAN OF MERGER

BY AND BETWEEN

NORTHWEST BANK

AND

JERSEY SHORE STATE BANK

This is an Agreement and Plan of Bank Merger (this “”) dated as of
,