Company: NWBI
Filing Date: 2025-03-07
Form Type: DEF 14A
Source: 0001193125-25-049104
Chunk: 91

Company: Northwest Bancshares, Inc.
Filing Date: 2025-03-07
Form: DEF 14A
Chunk 91
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 a Proxy Statement dated March 7, 2025 and Annual Report on Form 10-K. |     |                                                                                                                                         |     |      |     |         |     |              |     |                |     |                                                                                                                                                 |     |      |     |     |     |         |     |         |
|                                                                                                           |     |                                                                                                                                                                        Please sign exactly as your name appears hereon. |     |                                                                                                                                         |     |      |     |         |     |              |     |                |     |                                                                                                                                                 |     |      |     |     |     |         |     |         |
|                                                                                                           |     |                                                                                                                                                                                      Signature [PLEASE SIGN WITHIN BOX] |     |                                                                                                                                         |     | Date |     |         |     |              |     |                |     | Signature (Joint Owners)                                                                                                                        |     | Date |     |     |     |         |     |         |

NORTHWEST BANCSHARES, INC. CONFIDENTIAL VOTING INSTRUCTION Solicited on behalf of the Trustee of the Northwest Bank 2015 Amended and Restated 401(k) Plan (401(k) Plan) I understand that I have the right to direct the Trustee for the 401(k) Plan to vote all shares of Common Stock of Northwest Bancshares, Inc. held in my account in the 401(k) Plan. I have been advised that my voting instructions are solicited for the Annual Meeting of Shareholders of Northwest Bancshares, Inc. to be held on April 17, 2025 or an adjournment or postponement thereof. If I do not return this form in a timely manner, shares representing my interest in said plan will be voted in the same proportion as shares for which proper instructions have been received. If I direct the Trustee to “ABSTAIN”, shares representing my interest in the 401(k) Plan will not be voted. I understand that my voting instructions will be kept confidential. I acknowledge receipt of the Notice of Annual Meeting and Proxy Statement dated March 7, 2025, Summary Annual Report, Annual Report on Form 10-Kand the Vote Authorization Form. Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting:The Notice of Annual Meeting and Proxy Statement, Summary Annual Report, Annual Report on Form 10-Kand Vote Authorization Form are available at www.proxyvote.com.

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