# EDGAR Filing Document

**Accession Number:** 0000037808
**File Stem:** 0001193125-26-122945
**Filing Date:** 2026-3
**Character Count:** 10820
**Document Hash:** 9ec896022f8dae8a6bf547c07613d560
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-122945.hdr.sgml**: 20260325

**ACCESSION NUMBER**: 0001193125-26-122945

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 7

**FILED AS OF DATE**: 20260325

**DATE AS OF CHANGE**: 20260325

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FNB CORP/PA/
- **CENTRAL INDEX KEY:** 0000037808
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATIONAL COMMERCIAL BANKS [6021]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 251255406
- **STATE OF INCORPORATION:** PA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-31940
- **FILM NUMBER:** 26788604

**BUSINESS ADDRESS:**
- **STREET 1:** F.N.B. CORPORATION
- **STREET 2:** 626 WASHINGTON PLACE
- **CITY:** PITTSBURGH
- **STATE:** PA
- **ZIP:** 15219
- **BUSINESS PHONE:** 800-555-5455

**MAIL ADDRESS:**
- **STREET 1:** F.N.B. CORPORATION
- **STREET 2:** 626 WASHINGTON PLACE
- **CITY:** PITTSBURGH
- **STATE:** PA
- **ZIP:** 15219

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FNB CORP/FL/
- **DATE OF NAME CHANGE:** 20010601

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FNB CORP/PA
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CITIZENS BUDGET CO
- **DATE OF NAME CHANGE:** 19750909

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**SCHEDULE 14A** 

**Proxy Statement Pursuant to Section 14(a) of the** 

**Securities Exchange Act of 1934** 

Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to Rule §240.14a-12

## F.N.B. Corporation
**(Name of Registrant as Specified in its Charter)** 

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** 

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| | |
|:---|:---|
| Payment of Filing Fee (Check all boxes that apply): | Payment of Filing Fee (Check all boxes that apply): |
| ☒ | No fee required. |
| ☐ | Fee paid previously with preliminary materials. |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |

---

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![LOGO](g87839g01k01.jpg)

C/O BROADRIDGE

P.O. BOX 1342

BRENTWOOD, NY 11717

V84841-P42079

![LOGO](g87839g01k02.jpg)

You invested in F.N.B. CORPORATION and it's time to vote!

You have the right to vote on proposals being presented at the Annual Meeting. **This is an important notice regarding the availability of proxy materials for the shareholder meeting to be held on May 6, 2026.**

Get informed before you vote

View the Notice, 2026 Proxy Statement, 2025 Annual Report and 2025 Form 10-K online OR you can receive a free paper or email copy of voting material(s) by requesting them prior to April 22, 2026 to facilitate timely delivery. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

![LOGO](g87839g01k03.jpg)

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Smartphone users**<br>| ![LOGO](g87839g01k05.jpg) | **Vote Virtually at the Meeting\***<br>May 6, 2026<br> 8:30 AM Eastern Time |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Point your camera here and | ![LOGO](g87839g01k05.jpg) | **Vote Virtually at the Meeting\***<br>May 6, 2026<br> 8:30 AM Eastern Time |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vote without entering a | ![LOGO](g87839g01k05.jpg) | **Vote Virtually at the Meeting\***<br>May 6, 2026<br> 8:30 AM Eastern Time |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; control number | ![LOGO](g87839g01k05.jpg) | **Vote Virtually at the Meeting\***<br>May 6, 2026<br> 8:30 AM Eastern Time |
| ![LOGO](g87839g01k04.jpg) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Virtually at:<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;www.virtualshareholdermeeting.com/FNB2026 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Virtually at:<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;www.virtualshareholdermeeting.com/FNB2026 |

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\*Please check the meeting materials for any special requirements for meeting attendance.

------

**Vote at www.ProxyVote.com** 

**THIS IS NOT A VOTABLE BALLOT** 

This is an overview of the proposals being presented at the upcoming shareholder meeting and the more complete proxy materials, which contain important information, are available on the Internet or by mail. You are encouraged to access and review the proxy materials prior to voting. Please follow the instructions on the reverse side to vote these important matters.

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| | | | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|
|  |  |  |  |  |  |  |  |  | **Board**<br> **Recommends** | **Board**<br> **Recommends** |
| **Voting Items** | **Voting Items** | **Voting Items** |  |  |  |  |  |  | **Board**<br> **Recommends** | **Board**<br> **Recommends** |
| 1. | Election of 10 Directors | Election of 10 Directors | Election of 10 Directors | Election of 10 Directors | Election of 10 Directors | Election of 10 Directors | Election of 10 Directors |  |  |  |
|  | **Nominees:** | **Nominees:** |  |  |  |  |  |  |  |  |
|  | 01) | Pamela A. Bena | 04) | Mary Jo Dively | 07) | David L. Motley | 10) | William J. Strimbu | ![LOGO](g87839g02g02.jpg)  | **For** |
|  | 02) | James D. Chiafullo | 05) | David J. Malone | 08) | Heidi A. Nicholas |  |  | ![LOGO](g87839g02g02.jpg)  | **For** |
|  | 03) | Vincent J. Delie, Jr. | 06) | Frank C. Mencini | 09) | John S. Stanik |  |  | ![LOGO](g87839g02g02.jpg)  | **For** |
|  |  |  |  |  |  |  |  |  | ![LOGO](g87839g02g02.jpg)  | **For** |
| 2. | Approval of the 2025 named executive officer compensation (an advisory, non-binding "Say on Pay" resolution). | Approval of the 2025 named executive officer compensation (an advisory, non-binding "Say on Pay" resolution). | Approval of the 2025 named executive officer compensation (an advisory, non-binding "Say on Pay" resolution). | Approval of the 2025 named executive officer compensation (an advisory, non-binding "Say on Pay" resolution). | Approval of the 2025 named executive officer compensation (an advisory, non-binding "Say on Pay" resolution). | Approval of the 2025 named executive officer compensation (an advisory, non-binding "Say on Pay" resolution). | Approval of the 2025 named executive officer compensation (an advisory, non-binding "Say on Pay" resolution). | Approval of the 2025 named executive officer compensation (an advisory, non-binding "Say on Pay" resolution). | ![LOGO](g87839g02g02.jpg) <br>| **For** |
| 3. | Ratification of appointment of Ernst & Young LLP as F.N.B. Corporation's independent registered public accounting firm for the 2026 fiscal year. | Ratification of appointment of Ernst & Young LLP as F.N.B. Corporation's independent registered public accounting firm for the 2026 fiscal year. | Ratification of appointment of Ernst & Young LLP as F.N.B. Corporation's independent registered public accounting firm for the 2026 fiscal year. | Ratification of appointment of Ernst & Young LLP as F.N.B. Corporation's independent registered public accounting firm for the 2026 fiscal year. | Ratification of appointment of Ernst & Young LLP as F.N.B. Corporation's independent registered public accounting firm for the 2026 fiscal year. | Ratification of appointment of Ernst & Young LLP as F.N.B. Corporation's independent registered public accounting firm for the 2026 fiscal year. | Ratification of appointment of Ernst & Young LLP as F.N.B. Corporation's independent registered public accounting firm for the 2026 fiscal year. | Ratification of appointment of Ernst & Young LLP as F.N.B. Corporation's independent registered public accounting firm for the 2026 fiscal year. | ![LOGO](g87839g02g02.jpg) <br>| **For**  |
| **NOTE:** In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting and any adjournments or postponements thereof. | **NOTE:** In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting and any adjournments or postponements thereof. | **NOTE:** In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting and any adjournments or postponements thereof. | **NOTE:** In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting and any adjournments or postponements thereof. | **NOTE:** In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting and any adjournments or postponements thereof. | **NOTE:** In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting and any adjournments or postponements thereof. | **NOTE:** In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting and any adjournments or postponements thereof. | **NOTE:** In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting and any adjournments or postponements thereof. | **NOTE:** In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting and any adjournments or postponements thereof. |  |  |

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<br> Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings".<br>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;V84842-P42079