<SEC-DOCUMENT>0001213900-25-052672.txt : 20250609
<SEC-HEADER>0001213900-25-052672.hdr.sgml : 20250609
<ACCEPTANCE-DATETIME>20250609165435
ACCESSION NUMBER:		0001213900-25-052672
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250609
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20250609
DATE AS OF CHANGE:		20250609

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Dune Acquisition Corp II
		CENTRAL INDEX KEY:			0002041047
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		EIN:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42607
		FILM NUMBER:		251034840

	BUSINESS ADDRESS:	
		STREET 1:		700 S. ROSEMARY AVENUE
		STREET 2:		SUITE 204
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33401
		BUSINESS PHONE:		(917) 742-1904

	MAIL ADDRESS:	
		STREET 1:		700 S. ROSEMARY AVENUE
		STREET 2:		SUITE 204
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33401
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>ea0245124-8k_duneacq2.htm
<DESCRIPTION>FORM 8-K
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<!-- Field: Rule-Page --><DIV STYLE="margin-top: 12pt; margin-bottom: 3pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center"><B>Washington, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center"><B>CURRENT REPORT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center"><B>PURSUANT TO SECTION 13 OR 15(d) OF THE<BR>
SECURITIES EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center">Date of Report (Date of earliest event reported):&nbsp;<B>June
9, 2025</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center">(Exact name of registrant as specified in its
charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt"></P>

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    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: center; width: 32%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Cayman Islands
</B></FONT></TD>
    <TD STYLE="text-align: center; width: 2%">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: center; width: 32%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>001-42607
</B></FONT></TD>
    <TD STYLE="text-align: center; width: 2%">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: center; width: 32%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>N/A
</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; font-size: 10pt">(State or other jurisdiction of incorporation)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">(Commission File Number)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">(IRS Employer Identification No.)</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>700 S. Rosemary Avenue, Suite 204</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>West Palm Beach, FL 33401</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center">(Address of principal executive offices, including
zip code)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center">Registrant&rsquo;s telephone number, including
area code: <B>(917) 742-1904</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Not Applicable</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Former name or former address, if changed since
last report)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 15pt; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9744;</FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</FONT></TD>
</TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 15pt; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9744;</FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Soliciting material
pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT></TD>
</TR></TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 15pt; text-align: left">&#9744;</TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))</TD>
</TR></TABLE>

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<TD STYLE="width: 15pt; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9744;</FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</FONT></TD>
</TR></TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">Securities registered pursuant to Section 12(b) of the Act:</P>

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  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: center; width: 40%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Title of each class</B></FONT></TD>
    <TD STYLE="text-align: center; width: 2%">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: center; width: 24%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Trading Symbol(s)</B></FONT></TD>
    <TD STYLE="text-align: center; width: 2%">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: center; width: 32%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Name of each exchange on which registered</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Units, each consisting of one Class A ordinary share and three-quarters of one redeemable warrant</B></FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>IPODU</B></FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>The Nasdaq Stock Market LLC</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Class A ordinary shares, par value $0.0001 per share</B></FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>IPOD</B></FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>The Nasdaq Stock Market LLC</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #CCEEFF">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share</B></FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>IPODW</B></FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>The Nasdaq Stock Market LLC</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">Indicate by check mark whether the registrant is an emerging growth
company as defined in Rule 405 of the Securities Act of 1933 (&sect;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange
Act of 1934 (&sect;240.12b-2 of this chapter).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">Emerging growth company &#9746;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">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 13(a) of the Exchange Act.&nbsp;&#9744;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 8.01.</B></FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Other Events.</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: justify; text-indent: 0.5in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: justify; text-indent: 0.5in">On June 9, 2025, Dune Acquisition
Corporation II (the &ldquo;Company&rdquo;) issued a press release, a copy of which is attached as Exhibit 99.1 to this Current Report
on Form 8-K, announcing that the holders of the Company&rsquo;s units (the &ldquo;Units&rdquo;) may elect to separately trade the Class
A ordinary shares, par value $0.0001 per share (the &ldquo;Class A Shares&rdquo;), and warrants (the &ldquo;Warrants&rdquo;) included
in the Units commencing on or about June 12, 2025. Each Unit consists of one Class A Share and three-quarters of one redeemable Warrant,
each whole Warrant exercisable to purchase one Class A Ordinary Share. Any Units not separated will continue to trade on The Nasdaq Stock
Market (&ldquo;Nasdaq&rdquo;) under the symbol &ldquo;IPODU&rdquo;, and the Class A Shares and Warrants will separately trade on Nasdaq
under the symbols &ldquo;IPOD&rdquo; and &ldquo;IPODW&rdquo;, respectively. No fractional Warrants will be issued upon separation of the
Units and only whole Warrants will trade. Holders of Units will need to have their brokers contact Continental Stock Transfer &amp; Trust
Company, the Company&rsquo;s transfer agent, in order to separate the Units into Class A Shares and Warrants.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item
9.01.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Financial Statements
and Exhibits.</B></FONT></TD>
</TR></TABLE>



<P STYLE="margin: 0">&nbsp;</P>

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<TD STYLE="width: 15pt; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(d)</FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exhibits</FONT></TD>
</TR></TABLE>



<P STYLE="margin: 0">&nbsp;</P>

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


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt"><B>EXHIBIT INDEX</B></P>

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  <TR>
    <TD STYLE="vertical-align: top; width: 9%; border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Exhibit&nbsp;No.</B></FONT></TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 90%; border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Description</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">99.1</FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="ea0245124ex99-1_duneacq2.htm" STYLE="-sec-extract: exhibit">Press Release dated June 9, 2025</A></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt"><B></B></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center"><B>SIGNATURE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>

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  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>DUNE ACQUISITION CORPORATION II</B></FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 60%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 35%">&nbsp;</TD>
    <TD STYLE="width: 0%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Carter Glatt</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name: Carter Glatt</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title: Chief Executive Officer</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>Dated: June 9, 2025</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  </TABLE>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ea0245124ex99-1_duneacq2.htm
<DESCRIPTION>PRESS RELEASE DATED JUNE 9, 2025
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<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="text-align: right; margin: 0"><B>Exhibit 99.1</B></P>

<P STYLE="margin: 0; text-align: right"><B>&nbsp;</B></P>

<P STYLE="margin: 0; text-align: right"><B></B></P>

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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0 12pt">Dune Acquisition Corporation II Announces the Separate Trading
of its Class A Ordinary Shares and Warrants, Commencing June 12, 2025</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt">New York, NY, June 09, 2025 (GLOBE NEWSWIRE) -- Dune Acquisition
Corporation II (Nasdaq: IPODU) (the &ldquo;Company&rdquo;) today announced that, commencing June 12, 2025, holders of the units sold in
the Company&rsquo;s initial public offering may elect to separately trade shares of the Company&rsquo;s Class A ordinary shares and warrants
included in the units.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt">No fractional warrants will be issued upon separation of the units
and only whole warrants will trade. The Class A ordinary shares and warrants that are separated will trade on The Nasdaq Stock Market
under the symbols &ldquo;IPOD&rdquo; and &ldquo;IPODW,&rdquo; respectively. Those units not separated will continue to trade on The Nasdaq
Stock Market under the symbol &ldquo;IPODU.&rdquo; Holders of units will need to have their brokers contact Continental Stock Transfer
&amp; Trust Company, the Company&rsquo;s transfer agent, in order to separate the units into Class A ordinary shares and warrants.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt">Dune Acquisition Corporation II was founded by its Chief Executive
Officer, Carter Glatt. The Company is a blank check company whose business purpose is to effect a merger, amalgamation, share capital
exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses. While the Company
may pursue an initial business combination target in any industry or geographic region, the Company intends to focus its search for an
initial business combination on companies within the software as a service, artificial intelligence, medtech or asset management and consultancy
sectors.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt">Clear Street acted as sole book-runner of the offering.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt">The offering was made only by means of a prospectus. When available,
copies of the prospectus relating to this offering may be obtained from Clear Street, Attn: Syndicate Department, 150 Greenwich Street,
45th Floor, New York, NY 10007, by email at&nbsp;ecm@clearstreet.io, or from the SEC website at&nbsp;www.sec.gov.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt">A registration statement relating to these securities was declared
effective by the U.S. Securities and Exchange Commission (the &ldquo;SEC&rdquo;) on May 6, 2025. This press release shall not constitute
an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction
in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such
state or jurisdiction.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt"><B>Cautionary Note Concerning Forward-Looking Statements</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt">This press release contains statements that constitute &ldquo;forward-looking
statements,&rdquo; including with respect to the search for an initial business combination. No assurance can be given that the proceeds
of the offering will be used as indicated. Forward-looking statements are subject to numerous conditions, many of which are beyond the
control of the Company, including those set forth in the Risk Factors section of the Company&rsquo;s registration statement and prospectus
for the initial public offering filed with the SEC. Copies are available on the SEC&rsquo;s website, www.sec.gov. The Company undertakes
no obligation to update these statements for revisions or changes after the date of this release, except as required by law.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt"><B>Contact</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt">Carter Glatt<BR>
Chief Executive Officer<BR>
Dune Acquisition Corporation II<BR>
ir@duneacq.com<BR>
(917) 742-1904</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 12pt"><B>&nbsp;</B></P>

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