Company: NWBI
Filing Date: 2025-01-27
Form Type: S-4
Source: 0001193125-25-012768
Chunk: 107

Company: Northwest Bancshares, Inc.
Filing Date: 2025-01-27
Form: S-4
Chunk 107
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 shares held individually and 30,257 shares held jointly with his spouse. |

| 4 | Includes 21,725 shares held individually, 800 shares held by his spouse and vested options to purchase 99,300 
 shares.                                                                                                       |

| 5 | Includes 6,228 shares held individually and 6,250 shares held jointly with his spouse. |

| 6 | Includes vested options to purchase 21,000 shares. |

| 7 | Includes 6,129 shares held individually and 1,503 shares held jointly with his spouse. |

| 8 | Includes 6,678 shares held individually and 2,612 shares held jointly with his spouse. |

| 9 | Includes 11,738 shares held individually, 10,869 shares held jointly with his spouse and vested options to 
 purchase 115,600 shares.                                                                                   |

| 10 | Includes 16,304 shares held individually and 1,000 shares held by his spouse. |

| 11 | Includes 25,694 shares held individually, 18,217 shares held jointly with his spouse, 2,977 shares held by his 
 spouse, and 3,665 shares held by Nestlerode Contracting Co., Inc.                                              |

| 12 | Includes vested options to purchase 258,400 shares. |

87

EXPERTS

Northwest

The consolidated financial
statements of Northwest Bancshares, Inc. as of December 31, 2023 and 2022, and for each of the years in the three-year period ended December 31, 2023, and management’s assessment of the effectiveness of internal control over financial
reporting as of December 31, 2023 have been incorporated by reference herein in reliance upon the reports of KPMG LLP, independent registered public accounting firm, incorporated by reference herein, and upon the authority of said firm as
experts in accounting and auditing.

Penns Woods

The consolidated financial statements of Penns Woods appearing in Penns Woods’ Annual Report on Form
10-K for the year ended December 31, 2023 have been audited by S.R. Snodgrass, P.C., an independent registered public accounting firm, as set forth in its report thereon, included in such Annual Report
and incorporated herein by reference. Such consolidated financial statements are incorporated herein by reference in reliance upon such report given on the authority of such firm as experts in accounting and auditing.

LEGAL MATTERS

Dinsmore &