<SEC-DOCUMENT>0001552781-25-000215.txt : 20250703
<SEC-HEADER>0001552781-25-000215.hdr.sgml : 20250703
<ACCEPTANCE-DATETIME>20250703170044
ACCESSION NUMBER:		0001552781-25-000215
CONFORMED SUBMISSION TYPE:	POS AM
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250703
DATE AS OF CHANGE:		20250703

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:		POS AM
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-189708
		FILM NUMBER:		251106227

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>POS AM
<SEQUENCE>1
<FILENAME>e25237_fnb-posam.htm
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>As filed with
the Securities and Exchange Commission on July&nbsp;3, 2025 </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: right"><FONT STYLE="font-size: 10pt"><B>Registration
No. 333-189708</B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: right"><FONT STYLE="font-size: 10pt"><B> </B></FONT></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4pt 0 0; text-align: center"><FONT STYLE="font-size: 14pt"><B>UNITED
STATES </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 14pt"><B>SECURITIES
AND EXCHANGE COMMISSION </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>Washington,
D.C. 20549 </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>Post-Effective
Amendment No.&nbsp;5 on Form S-3 to Form S-4 Registration Statement No.&nbsp;333-189708 </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B><I>Under </I></B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 18pt"><B><I>THE SECURITIES
ACT OF 1933</I></B></FONT><B><I><FONT STYLE="font-size: 10pt"> </FONT></I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center"><FONT STYLE="font-size: 24"><B>F.N.B.
CORPORATION </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>(Exact name
of registrant as specified in its charter) </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"></FONT></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="vertical-align: top; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 10pt"><B>Pennsylvania</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 10pt"><B>25-1255406</B></FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="vertical-align: top; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>(State
        or other jurisdiction</B></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 1pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>of
        incorporation or organization)</B></FONT></P></TD>
    <TD STYLE="vertical-align: bottom; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>(I.R.S.
        Employer</B></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 1pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>Identification
        Number)</B></FONT></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>626
Washington Place</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>Pittsburgh,
Pennsylvania 15219 </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>(800) 555-5455
</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>(Address,
including zip code, and telephone number, including area code, of registrant&rsquo;s principal executive offices) </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B></B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>F.N.B. Corporation/PVF
Capital Corp. 1996 Incentive Stock Option Plan</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>F.N.B. Corporation/PVF
Capital Corp. 2000 Incentive Stock Option and Deferred Compensation Plan </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>F.N.B. Corporation/PVF
Capital Corp. 2008 Equity Incentive Plan</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>F.N.B. Corporation/PVF
Capital Corp. 2010 Equity Incentive Plan</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>(Full Titles
of the Plans) </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>Vincent
J. Delie, Jr. </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>President
and Chief Executive Officer </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>F.N.B. Corporation
</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>626 Washington
Place </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>Pittsburgh,
Pennsylvania 15219 </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>(800) 555-5455
</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>(Name, address,
including zip code, and telephone number, including area code, of agent for service) </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-size: 10pt">Approximate date of commencement
of proposed sale to the public: Not applicable.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">If the only securities being
registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box.&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">o</font></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">If any of the securities being
registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933,
other than securities offered only in connection with dividend or interest reinvestment plans, check the following box.&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">o</font></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">If this Form is filed to register
additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list
the Securities Act registration statement number of the earlier effective registration statement for the same offering.&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">o</font></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">If this Form is a post-effective
amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration
statement number of the earlier effective registration statement for the same offering.&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">o</font></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">If this Form is a registration
statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with
the Commission pursuant to Rule 462(e) under the Securities Act, check the following box.&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">o</font></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">If this Form is a post-effective
amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional
classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box.&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">o</font></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">Indicate by check mark whether
the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an
emerging growth company. See the definitions of &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer,&rdquo; &ldquo;smaller
reporting company,&rdquo; and &ldquo;emerging growth company&rdquo; in Rule 12b-2 of the Exchange Act.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 1pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="width: 20%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 6pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 3%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 6pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 45%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 6pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 1%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 6pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 25%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 6pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 3%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 6pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 6pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Large&nbsp;accelerated&nbsp;filer</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Wingdings">x</font></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Accelerated&nbsp;filer</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font: 10pt Segoe UI Symbol,sans-serif">&#9744;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 3pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 3pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 3pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 3pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Non-accelerated filer</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font: 10pt Segoe UI Symbol,sans-serif">&#9744;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Smaller&nbsp;reporting&nbsp;company</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font: 10pt Segoe UI Symbol,sans-serif">&#9744;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 3pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 3pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 3pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 3pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Emerging growth company</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font: 10pt Segoe UI Symbol,sans-serif">&#9744;</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">If an emerging growth company,
indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised
financial accounting standards provided pursuant to Section&nbsp;7(a)(2)(B) of the Securities Act.&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">o</font></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>DEREGISTRATION
OF SECURITIES </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">This Post-Effective Amendment
relates to the following registration statement of F.N.B. Corporation (the &ldquo;Corporation&rdquo; and such registration statement,
the &ldquo;Registration Statement&rdquo;):</FONT></P>

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<TD STYLE="width: 0.25in; font: 10pt Times New Roman, Times, Serif"></TD><TD STYLE="width: 0.25in; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font: 10pt Symbol">&#183;</FONT></TD><TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/37808/000119312513406737/d606520dposam.htm">Post-Effective Amendment No. 2 on Form S-3 to Form S-4</A> filed on October 22, 2013 (Registration No. 333-189708),
                                         pertaining to 54,370 shares of common stock of F.N.B. Corporation, par value $0.01 per
                                         share issuable under the F.N.B. Corporation/PVF Capital Corp. 1996 Incentive Stock Option
                                         Plan, the F.N.B. Corporation/PVF Capital Corp. 2000 Incentive Stock Option and Deferred
                                         Compensation Plan, the F.N.B. Corporation/PVF Capital Corp. 2008 Equity Incentive Plan
                                         and the F.N.B. Corporation/PVF Capital Corp. 2010 Equity Incentive Plan.</FONT></TD></TR></TABLE>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-size: 10pt">In accordance with the undertakings
contained in the Registration Statement, the Corporation hereby files this Post-Effective Amendment to remove from registration
the securities that had been registered for issuance pursuant to the Registration Statement and that remain unsold at the termination
of their offering.</FONT></P>




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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>SIGNATURES
</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">Pursuant to the requirements
of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements
for filing on Form S-3 and has duly caused this Post-Effective Amendment to the Registration Statement of Form S-3 to be signed
on its behalf by the undersigned, thereunto duly authorized, in the City of Pittsburgh, Commonwealth of Pennsylvania, on July
3, 2025.</FONT></P>



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    <TD STYLE="width: 50%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 3%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 47%; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; padding: 0.25pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; padding: 0.25pt"><FONT STYLE="font-size: 10pt">F.N.B. CORPORATION</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="vertical-align: top; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"></TD>
    <TD STYLE="vertical-align: bottom; font: 10pt Times New Roman, Times, Serif; padding: 0.25pt 0.25pt 1pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 0.25pt 0.25pt 0.4pt"><FONT STYLE="font-size: 10pt">/s/
    Vincent J. Delie, Jr.</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="vertical-align: top; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Vincent
    J. Delie, Jr.</FONT></TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="vertical-align: top; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">President
    and Chief Executive Officer</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0"><FONT STYLE="font-size: 10pt">Note: No other person is required
to sign this Post-Effective Amendment in reliance on Rule 478 of the Securities Act of 1933, as amended.</FONT></P>


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