Company: NWBI
Filing Date: 2025-03-07
Form Type: DEF 14A
Source: 0001193125-25-049104
Chunk: 90

Company: Northwest Bancshares, Inc.
Filing Date: 2025-03-07
Form: DEF 14A
Chunk 90
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 authorization form and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717. Your vote authorization form must be received by 11:59 p.m. Eastern Time on April 14, 2025. |     |                                                                                                                                                                                                                                                                                                                                                                                                                                      |

TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: V60778-P24488-Z89234 KEEP THIS PORTION FOR YOUR RECORDS

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DETACH AND RETURN THIS PORTION ONLY THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

| NORTHWEST BANCSHARES, INC.   NORTHWEST BANK 2015 AMENDED AND RESTATED 401(K) PLAN VOTE AUTHORIZATION FORM |     |                                                                                                                                                                                                                         |     |                                                                                                                                         |     |      |     | For All |     | Withhold All |     | For All Except |     | To withhold authority to vote for any individual nominee(s), mark “For All Except” and write the number(s) of the nominee(s) on the line below. |     |      |     |     |     |         |     |         |
|                                                                                                           |     |                                                                                                                                      The Board of Directors recommends you issue voting instructions FOR the following: |     |                                                                                                                                         |     |      |     | ☐       |     | ☐            |     | ☐              |     |                                                                                                                                                 |     |      |     |     |     |         |     |         |
|                                                                                                           |     |                                                                                                                                                                                                                      1. |     | The election as directors of all nominees listed below (except as marked to the contrary at the right).                                 |     |      |     |         |     |              |     |                |     |                                                                                                                                                 |     |      |     |     |     |         |     |         |
|                                                                                                           |     |                                                                                                                                                                                                                         |     | Nominees:                                                                                                                               |     |      |     |         |     |              |     |                |     |                                                                                                                                                 |     |      |     |     |     |         |     |         |
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