<SEC-DOCUMENT>0001104659-23-123217.txt : 20231204
<SEC-HEADER>0001104659-23-123217.hdr.sgml : 20231204
<ACCEPTANCE-DATETIME>20231204160951
ACCESSION NUMBER:		0001104659-23-123217
CONFORMED SUBMISSION TYPE:	8-A12B/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20231204
DATE AS OF CHANGE:		20231204

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			United Airlines Holdings, Inc.
		CENTRAL INDEX KEY:			0000100517
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, SCHEDULED [4512]
		IRS NUMBER:				362675207
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-A12B/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06033
		FILM NUMBER:		231463105

	BUSINESS ADDRESS:	
		STREET 1:		E. ANNA HA - WHQLD
		STREET 2:		233 SOUTH WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		872-825-4000

	MAIL ADDRESS:	
		STREET 1:		E. ANNA HA - WHQLD
		STREET 2:		233 SOUTH WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	United Continental Holdings, Inc.
		DATE OF NAME CHANGE:	20100930

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UAL CORP /DE/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLEGIS CORP
		DATE OF NAME CHANGE:	19880613
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-A12B/A
<SEQUENCE>1
<FILENAME>tm2332036d2_8a12ba.htm
<DESCRIPTION>8-A12B/A
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM&nbsp;8-A/A<BR>
(Amendment No.&nbsp;1)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES<BR>
PURSUANT TO SECTION&nbsp;12(b)&nbsp;OR 12(g)&nbsp;OF THE<BR>
SECURITIES EXCHANGE ACT OF 1934</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 23%; padding: 0.25pt 5.65pt; font-size: 10pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 56%; border-bottom: black 1pt solid; padding: 0.25pt 5.65pt 0.5pt; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 14pt"><B>UNITED AIRLINES HOLDINGS,&nbsp;INC.</B></FONT></TD>
    <TD STYLE="width: 21%; padding: 0.25pt 5.65pt; font-size: 10pt; text-align: center">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 60%; border-bottom: black 1pt solid; padding: 0.25pt 5.65pt 0.5pt; text-align: center"><B>Delaware</B></TD>
    <TD STYLE="width: 10%; padding: 0.25pt 5.65pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 30%; border-bottom: black 1pt solid; padding: 0.25pt 5.65pt 0.5pt; text-align: center"><B>36-2675207</B></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.25pt 5.65pt; text-align: center">(State or other jurisdiction of incorporation or organization)</TD>
    <TD STYLE="padding: 0.25pt 5.65pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt 5.65pt; text-align: center">(IRS Employer <BR>
Identification No.)&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.25pt 5.65pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt 5.65pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt 5.65pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding: 0.25pt 5.65pt 0.5pt; text-align: center"><B>233 S. Wacker Drive, Chicago,&nbsp;IL</B></TD>
    <TD STYLE="padding: 0.25pt 5.65pt; text-align: center">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 0.25pt 5.65pt 0.5pt; text-align: center"><B>60606</B></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.25pt 5.65pt; text-align: center">(Address of principal executive offices)</TD>
    <TD STYLE="padding: 0.25pt 5.65pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt 5.65pt; text-align: center">(Zip Code)</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Securities to be registered pursuant to Section&nbsp;12(b)&nbsp;of
the Act:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 40%; border-bottom: black 1pt solid; padding: 0.25pt 5.65pt 0.5pt">Title of each class <BR>
to be so registered</TD>
    <TD STYLE="width: 16%; padding: 0.25pt 5.65pt">&nbsp;</TD>
    <TD STYLE="width: 44%; border-bottom: black 1pt solid; padding: 0.25pt 5.65pt 0.5pt">Name of each exchange on which <BR>
each class is to be registered</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.25pt 5.65pt"><B>Preferred Stock Purchase Rights</B></TD>
    <TD STYLE="padding: 0.25pt 5.65pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt 5.65pt"><B>The NASDAQ Stock Market LLC</B></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">If this form relates to the registration of a class of securities
pursuant to Section&nbsp;12(b)&nbsp;of the Exchange Act and is effective pursuant to General Instruction A.(c)&nbsp;or (e), check the
following box. <FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#120;</FONT></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">If this form relates to the registration of a class of securities
pursuant to Section&nbsp;12(g)&nbsp;of the Exchange Act and is effective pursuant to General Instruction A.(d)&nbsp;or (e), check the
following box. <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">If this form relates to the registration of a class of securities
concurrently with a Regulation A offering, check the following box. <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Securities Act registration statement or Regulation A offering statement
file number to which this form relates: <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;N/A&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
(if applicable)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Securities to be registered pursuant to Section&nbsp;12(g)&nbsp;of
the Act:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
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    <TD STYLE="width: 34%; border-bottom: black 1pt solid; padding: 0.25pt 5.65pt 0.5pt; text-align: center">None</TD>
    <TD STYLE="width: 33%; padding: 0.25pt 5.65pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.25pt 5.65pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt 5.65pt; text-align: center">(Title of class)</TD>
    <TD STYLE="padding: 0.25pt 5.65pt">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in"><B>Item 1. Description of Registrant&rsquo;s
Securities To Be Registered.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This Form&nbsp;8-A/A amends the registration statement
on Form&nbsp;8-A filed by United Airlines Holdings,&nbsp;Inc. (the &ldquo;Company&rdquo;) with the Securities and Exchange Commission
on December&nbsp;7, 2020 relating to preferred stock purchase rights under the Tax Benefits Preservation Plan, dated as of December&nbsp;4,
2020 and as amended as of January&nbsp;21, 2021 (the &ldquo;Plan&rdquo;), by and between the Company and Computershare Trust Company,
N.A., as rights agent (the &ldquo;Rights Agent&rdquo;). The Plan was originally entered into on December&nbsp;4, 2020 and was scheduled
to expire at the Close of Business (as defined in the Plan) on December&nbsp;4, 2023. On January&nbsp;21, 2021, the Company and the Rights
Agent entered into that certain Amendment No.&nbsp;1 to Tax Benefits Preservation Plan, which added that certain Warrant Agreement, dated
as of January&nbsp;15, 2021, by and between the Company and the United States Department of the Treasury to the definition of &ldquo;Warrant
Agreements&rdquo; under the Plan. On December&nbsp;4, 2023, the Company and the Rights Agent entered into that certain Amendment No.&nbsp;2
to Tax Benefits Preservation Plan, which (i)&nbsp;added that certain Warrant Agreement, dated as of April&nbsp;29, 2021, between the Company
and the United States Department of the Treasury to the definition of &ldquo;Warrant Agreements&rdquo; under the Plan, (ii)&nbsp;extended
the expiration time to the Close of Business on December&nbsp;4, 2026 (subject to other earlier termination events, including if stockholder
approval of the Amendment has not been obtained at the Company&rsquo;s 2024 annual meeting of stockholders) and (iii)&nbsp;changed the
exercise price for each one one-thousandth of a share of Series&nbsp;A Junior Participating Serial Preferred Stock from $250.00 to $200.00
(and made other conforming changes to the Plan).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The foregoing description of the Plan and the Amendment
does not purport to be complete and is qualified in its entirety by reference to the full text of the Plan, which is filed as <A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465920132578/tm2037699d1_ex4-1.htm" STYLE="-sec-extract: exhibit">Exhibit&nbsp;4.1</A>
to the Company&rsquo;s <A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465920132578/tm2037699d1_8a12b.htm" STYLE="-sec-extract: exhibit">registration statement on Form&nbsp;8-A filed on December&nbsp;7, 2020</A>, Amendment No.&nbsp;1 to Tax Benefits Preservation
Plan, dated as of January&nbsp;21, 2021, which is filed as <A HREF="https://www.sec.gov/Archives/edgar/data/100517/000010051721000016/ual_12312010kex418.htm" STYLE="-sec-extract: exhibit">Exhibit&nbsp;4.18</A> to the Company&rsquo;s <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000010051721000016/ual-20201231.htm" STYLE="-sec-extract: exhibit">annual report on Form&nbsp;10-K filed on March&nbsp;1, 2021</A> and the Amendment, which is filed as Exhibit&nbsp;4.3 to this registration statement on Form&nbsp;8-A/A, each of
which is incorporated herein by reference.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in"><B>Item 2. Exhibits.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: black 1pt solid; width: 8%; padding-bottom: 0.5pt"><B>Exhibit<BR>
Number</B></TD>
    <TD STYLE="width: 3%; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; width: 89%; padding-bottom: 0.5pt"><B>Description of Exhibit</B></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465920132578/tm2037699d1_ex3-1.htm" STYLE="-sec-extract: exhibit">3.1</A></TD>
    <TD STYLE="vertical-align: bottom; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465920132578/tm2037699d1_ex3-1.htm" STYLE="-sec-extract: exhibit">Certificate of Designation of the Series&nbsp;A Junior Participating Serial Preferred Stock of the Company, dated December&nbsp;4, 2020 (incorporated by reference to Exhibit&nbsp;3.1 to the Company&rsquo;s Form&nbsp;8-A, filed on December&nbsp;7, 2020)</A></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465920132578/tm2037699d1_ex4-1.htm" STYLE="-sec-extract: exhibit">4.1</A></TD>
    <TD STYLE="vertical-align: bottom; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465920132578/tm2037699d1_ex4-1.htm" STYLE="-sec-extract: exhibit">Tax Benefits Preservation Plan, dated as of December&nbsp;4, 2020, by and between the Company and Computershare Trust Company, N.A., as rights agent (which includes the Form&nbsp;of Rights Certificate as Exhibit&nbsp;B thereto) (incorporated by reference to Exhibit&nbsp;4.1 to the Company&rsquo;s Form&nbsp;8-A, filed on December&nbsp;7, 2020)</A></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000010051721000016/ual_12312010kex418.htm" STYLE="-sec-extract: exhibit">4.2</A></TD>
    <TD STYLE="vertical-align: bottom; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000010051721000016/ual_12312010kex418.htm" STYLE="-sec-extract: exhibit">Amendment No.&nbsp;1 to Tax Benefits Preservation Plan, dated as of January&nbsp;21, 2021, by and between the Company and Computershare Trust Company, N.A., as rights agent (incorporated by reference to Exhibit&nbsp;4.18 to the Company&rsquo;s Form&nbsp;10-K, filed on March&nbsp;1, 2021)</A></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt"><A HREF="tm2332036d2_ex4-3.htm">4.3</A></TD>
    <TD STYLE="vertical-align: bottom; padding-bottom: 0.25pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-bottom: 0.25pt"><A HREF="tm2332036d2_ex4-3.htm">Amendment No.&nbsp;2 to Tax Benefits Preservation Plan, dated as of December&nbsp;4, 2023, by and between the Company and Computershare Trust Company, N.A., as rights agent</A></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>








<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Pursuant to the requirements of Section&nbsp;12
of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned,
thereto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding: 0.25pt; font-size: 10pt"><B>UNITED AIRLINES HOLDINGS,&nbsp;INC.</B></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.25pt; font-size: 10pt; width: 51%">December&nbsp;4, 2023</TD>
    <TD STYLE="padding: 0.25pt; font-size: 10pt; width: 4%">By:</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding: 0.25pt 0.25pt 0.5pt; font-size: 10pt; width: 45%">/s/ Michael Leskinen</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt; font-size: 10pt">Michael Leskinen</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt; font-size: 10pt">Executive Vice President and Chief Financial Officer</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<DOCUMENT>
<TYPE>EX-4.3
<SEQUENCE>2
<FILENAME>tm2332036d2_ex4-3.htm
<DESCRIPTION>EXHIBIT 4.3
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>Exhibit 4.3</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>AMENDMENT NO. 2 TO TAX BENEFITS PRESERVATION
PLAN</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This Amendment No.&nbsp;2 to Tax Benefits Preservation
Plan (this &ldquo;<B><I>Amendment</I></B>&rdquo;) is made and entered into as of December&nbsp;4, 2023, by and between United Airlines
Holdings,&nbsp;Inc., a Delaware corporation (the &ldquo;<B><I>Company</I></B>&rdquo;), and Computershare Trust Company, N.A., a federally
chartered trust company, as rights agent (the &ldquo;<B><I>Rights Agent</I></B>&rdquo;), and amends that certain Tax Benefits Preservation
Plan, dated as of December&nbsp;4, 2020 (as amended as of January&nbsp;21, 2021, the &ldquo;<B><I>Rights Agreement</I></B>&rdquo;), by
and between the Company and the Rights Agent. All capitalized terms used but not defined herein shall have the meanings given to such
terms in the Rights Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><B>WHEREAS</B>, the Board has determined it is
in the best interests of the Company and its stockholders to amend the Rights Agreement as set forth herein;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><B>WHEREAS</B>, subject to certain limited exceptions,
Section&nbsp;27 of the Rights Agreement provides <FONT STYLE="background-color: white">that the Company may, in its sole and absolute
discretion, and the Rights Agent shall if the Company so directs, amend any provision of the Rights Agreement in any respect without the
approval of any holders of the Rights;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="background-color: white"><B>WHEREAS</B>,
this Amendment is permitted by Section&nbsp;27 of the Rights Agreement; </FONT>and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><B>WHEREAS</B>, pursuant to Section&nbsp;27 of
the Rights Agreement, the Company hereby directs that the Rights Agreement shall be amended as set forth in this Amendment.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><B>NOW, THEREFORE</B>, in consideration of the
foregoing premises and mutual covenants and agreements set forth herein, and other good and valuable consideration, the receipt and sufficiency
of which are hereby acknowledged, the Company and the Rights Agent hereby agree as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Section&nbsp;1. <U>Amendment to Section&nbsp;1</U>.
The definition of &ldquo;Warrant Agreements&rdquo; set forth in Section&nbsp;1 of the Rights Agreement is hereby amended and restated
in its entirety as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&ldquo;<B><I>Warrant Agreements</I></B>&rdquo;
shall mean (i)&nbsp;that certain Warrant Agreement, dated as of April&nbsp;20, 2020, between the Company and the United States Department
of the Treasury, (ii)&nbsp;that certain Warrant Agreement, dated as of September&nbsp;28, 2020, between the Company and the United States
Department of the Treasury, (iii)&nbsp;that certain Warrant Agreement, dated as of January&nbsp;15, 2021, between the Company and the
United States Department of the Treasury and (iv)&nbsp;that certain Warrant Agreement, dated as of April&nbsp;29, 2021, between the Company
and the United States Department of the Treasury, as each such agreement may be amended from time to time in accordance with its terms.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Section&nbsp;2. <U>Amendments to Section&nbsp;7</U>.
Section&nbsp;7 of the Rights Agreement is hereby amended as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>(a)</B></FONT>&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<FONT STYLE="font-size: 10pt">Clause
(a)(i)&nbsp;shall be removed and replaced with the following:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in">(i)&nbsp;the Close of Business on December&nbsp;4, 2026 (the
 &ldquo;<B><I>Final Expiration Time</I></B>&rdquo;),</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>(b)</B></FONT>&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<FONT STYLE="font-size: 10pt">Clause
(a)(iv)&nbsp;shall be removed and replaced with the following:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in">(iv)&nbsp;the Close of Business on the first Business Day following
the certification of the voting results of the Company&rsquo;s 2024 annual meeting of stockholders, if at such meeting Stockholder Approval
has not been obtained,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>(c)</B></FONT>&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<FONT STYLE="font-size: 10pt">Clause
(b)&nbsp;shall be removed and replaced with the following:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">The Exercise Price for each one one-thousandth of a share
of Preferred Stock pursuant to the exercise of a Right shall initially be $200.00, and shall be subject to adjustment from time to time
as provided in <U>Section&nbsp;11</U> and <U>Section&nbsp;13(a)</U>&nbsp;and shall be payable in accordance with <U>Section&nbsp;7(c)</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Section&nbsp;3. <U>Amendments to Exhibit&nbsp;B</U>.
<U>Exhibit&nbsp;B</U> to the Rights Agreement is hereby amended as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>(a)</B></FONT>&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<FONT STYLE="font-size: 10pt">&#8239;The
reference to &ldquo;DECEMBER 4, 2023&rdquo; on page&nbsp;B-1 shall be removed and replaced with &ldquo;DECEMBER 4, 2026.&rdquo;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>(b)</B></FONT>&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<FONT STYLE="font-size: 10pt">&#8239;The
first two sentences on page&nbsp;B-2 shall be removed and replaced with the following:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">This certifies that __________, or registered assigns, is
the registered owner of the number of Rights set forth above, each of which entitles the owner thereof, subject to the terms, provisions
and conditions of the Tax Benefits Preservation Plan, dated as of December&nbsp;4, 2020 (as amended as of January&nbsp;21, 2021 and December&nbsp;4,
2023 and as further amended from time to time in accordance with its terms, the &ldquo;<B><I>Tax Benefits Preservation Plan</I></B>&rdquo;),
by and between United Airlines Holdings,&nbsp;Inc., a Delaware corporation (the &ldquo;<B><I>Company</I></B>&rdquo;), and Computershare
Trust Company, N.A., the rights agent (and any successor rights agent, the &ldquo;<B><I>Rights Agent</I></B>&rdquo;), to purchase from
the Company at any time prior to 5:00 P.M.&nbsp;(New York City time) on December&nbsp;4, 2026 or the occurrence of any earlier Expiration
Time (as such term is defined in the Tax Benefits Preservation Plan) at the office or offices of the Rights Agent designated for such
purpose, or its successors as Rights Agent, one one-thousandth of a fully paid, non-assessable share of Series&nbsp;A Junior Participating
Serial Preferred Stock, without par value (the &ldquo;<B><I>Preferred Stock</I></B>&rdquo;), of the Company, at an exercise price of $200.00
per one one-thousandth of a share (the &ldquo;<B><I>Exercise Price</I></B>&rdquo;), upon presentation and surrender of this Rights Certificate
with the Form&nbsp;of Election to Purchase and related Certificate properly completed and duly executed. The number of Rights evidenced
by this Rights Certificate (and the number of shares which may be purchased upon exercise thereof) set forth above, and the Exercise Price
per share set forth above, are the number and Exercise Price as of December&nbsp;4, 2023, based on the Preferred Stock as constituted
at such date.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Section&nbsp;4. <U>Amendments to Exhibit&nbsp;C</U>.
<U>Exhibit&nbsp;C</U> to the Rights Agreement is hereby amended as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>(a)</B></FONT>&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<FONT STYLE="font-size: 10pt">&#8239;The
second and third sentences of <U>Exhibit&nbsp;C</U> shall be removed and replaced with the following:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">Each Right entitles its holder, under the circumstances described
below, to purchase from the Company one one-thousandth of a share of Series&nbsp;A Junior Participating Serial Preferred Stock, without
par value (&ldquo;<B><I>Preferred Stock</I></B>&rdquo;), of the Company at an exercise price of $200.00 per Right, subject to adjustment.
The description and terms of the Rights are set forth in the tax benefits preservation plan, dated as of December&nbsp;4, 2020 (as amended
as of January&nbsp;21, 2021 and December&nbsp;4, 2023 and as further amended from time to time in accordance with its terms, the &ldquo;<B><I>Tax
Benefits Preservation Plan</I></B>&rdquo;), between the Company and Computershare Trust Company, N.A., as rights agent (and any successor
rights agent, the &ldquo;<B><I>Rights Agent</I></B>&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>(b)</B></FONT>&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<FONT STYLE="font-size: 10pt">&#8239;The
paragraph captioned &ldquo;Expiration Time&rdquo; on page&nbsp;C-3 shall be removed and replaced with the following:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in"><B><I>Expiration Time</I></B>. The Rights
will expire on the earliest to occur of (a)&nbsp;the close of business on December&nbsp;4, 2026 (the &ldquo;<B><I>Final Expiration Time</I></B>&rdquo;),
(b)&nbsp;the time at which the Rights are redeemed or exchanged by the Company (as described below), (c)&nbsp;the close of business on
the first business day following the certification of the voting results of the Company&rsquo;s 2024 annual meeting of stockholders, if
stockholder approval of the Tax Benefits Preservation Plan has not been obtained at such meeting, (d)&nbsp;upon the closing of any merger
or other acquisition transaction involving the Company pursuant to a merger or other acquisition agreement that has been approved by the
Board before any person or group becomes an Acquiring Person or (e)&nbsp;the time at which the Board determines that the NOLs and certain
other tax attributes are utilized in all material respects or that an ownership change under Section&nbsp;382 of the Code would not adversely
impact in any material respect the time period in which the Company could use the NOLs and other tax attributes or materially impair the
amount of NOLs and other tax attributes that could be used by the Company in any particular time period, for applicable tax purposes (the
earliest of (a), (b), (c), (d)&nbsp;and (e)&nbsp;being herein referred to as the &ldquo;<B><I>Expiration Time</I></B>&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>(c)</B></FONT>&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<FONT STYLE="font-size: 10pt">The
second paragraph under the caption &ldquo;Flip-in Event&rdquo; on page&nbsp;C-4 shall be removed and replaced with the following:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">For example, at an exercise price of $200.00 per Right, each
Right not owned by an Acquiring Person (or by certain related parties) following a Flip-in Event would entitle its holder to purchase
$400.00 worth of Common Stock for $200.00. Assuming that Common Stock had a per share value of $50.00 at that time, the holder of each
valid Right would be entitled to purchase eight shares of Common Stock for $200.00.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>(d)</B></FONT>&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<FONT STYLE="font-size: 10pt">The
paragraph captioned &ldquo;Additional Information&rdquo; on page&nbsp;C-6 shall be removed and replaced with the following:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in"><B><I>Additional Information</I></B>.
A copy of the Tax Benefits Preservation Plan has been filed with the Securities and Exchange Commission as exhibits to a registration
statement on Form&nbsp;8-A (Amendment No.&nbsp;1) filed on December&nbsp;4, 2023. A copy of the Tax Benefits Preservation Plan is also
available free of charge from the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Section&nbsp;5. <U>Effective Date; Effect</U>.
This Amendment is effective as of the date first set forth above. Except as modified hereby, the Rights Agreement is reaffirmed in all
respects, and all references therein to &ldquo;the Agreement&rdquo; shall mean the Rights Agreement, as modified hereby.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in">Section&nbsp;6. <U>Governing
Law</U>. This Amendment shall be deemed to be a contract made under the laws of the State of Delaware and for all purposes shall be governed
by and construed in accordance with the laws of such State applicable to contracts to be made and performed entirely within such State.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in">Section&nbsp;7. <U>Severability</U>.
If any term, provision, covenant or restriction of this Amendment is held by a court of competent jurisdiction or other authority to be
invalid, void or unenforceable, the remainder of the terms, provisions, covenants and restrictions of this Amendment shall remain in full
force and effect and shall in no way be affected, impaired or invalidated. If any such excluded term, provision, covenant or restriction
shall affect the rights, immunities, duties or obligations of the Rights Agent in an adverse manner, then the Rights Agent shall be entitled
to resign immediately upon written notice to the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in">Section&nbsp;8. <U>Counterparts</U>.
This Amendment may be executed in any number of counterparts and each of such counterparts shall for all purposes be deemed to be an original,
and all such counterparts shall together constitute but one and the same instrument. Delivery of an executed signature page&nbsp;of this
Amendment by facsimile or other customary means of electronic transmission (e.g., &ldquo;pdf&rdquo;) shall be as effective as delivery
of a manually executed counterpart hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in">Section&nbsp;9. <U>No Modification</U>.
Except as expressly set forth herein, this Amendment shall not by implication or otherwise alter, modify, amend or in any way affect any
of the terms, conditions, obligations, covenants or agreements contained in the Rights Agreement, all of which are ratified and affirmed
in all respects and shall continue in full force and effect.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in">Section&nbsp;10. <U>Headings</U>.
The headings of the sections of this Amendment have been inserted for convenience of reference only and shall in no way restrict or otherwise
modify any of the terms or provisions hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[<I>Signature Page&nbsp;Follows</I>]</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">IN WITNESS WHEREOF, the parties hereto have caused
this Amendment to be duly executed as of the date first written above.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: bold 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">UNITED AIRLINES HOLDINGS,&nbsp;INC.</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif">/s/ <FONT STYLE="font-size: 10pt">Michael Leskinen</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 3%">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 5%"><FONT STYLE="font-size: 10pt">Name: </FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 42%"><FONT STYLE="font-size: 10pt">Michael Leskinen</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Title:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"> <FONT STYLE="font-size: 10pt">Executive Vice President and Chief</FONT> <FONT STYLE="font-size: 10pt">Financial Officer</FONT></TD></TR>
  </TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.5in"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: bold 10pt Times New Roman, Times, Serif"><FONT><B>COMPUTERSHARE TRUST COMPANY, N.A.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif">/s/ <FONT STYLE="font-size: 10pt"> Fred Papenmeier</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 3%">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 5%"><FONT STYLE="font-size: 10pt">Name: </FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 42%"><FONT STYLE="font-size: 10pt"> Fred Papenmeier</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Title:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT>  Vice President and Manager</FONT></TD></TR>
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<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><I>Amendment No. 2 to Tax
Benefits Preservation Plan</I></P>

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