<SEC-DOCUMENT>0001193805-23-000698.txt : 20230510
<SEC-HEADER>0001193805-23-000698.hdr.sgml : 20230510
<ACCEPTANCE-DATETIME>20230510143548
ACCESSION NUMBER:		0001193805-23-000698
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20230510
FILED AS OF DATE:		20230510
DATE AS OF CHANGE:		20230510

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Wisekey International Holding S.A.
		CENTRAL INDEX KEY:			0001738699
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39115
		FILM NUMBER:		23905658

	BUSINESS ADDRESS:	
		STREET 1:		ROUTE DE PRE-BOIS 29, P.O. BOX 853
		CITY:			GENEVA 15
		STATE:			V8
		ZIP:			CH-1215
		BUSINESS PHONE:		011-41-22-594-3034

	MAIL ADDRESS:	
		STREET 1:		ROUTE DE PRE-BOIS 29, P.O. BOX 853
		CITY:			GENEVA 15
		STATE:			V8
		ZIP:			CH-1215
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>e618614_6k-wisekey.htm
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<P STYLE="margin: 0pt">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WASHINGTON, DC 20549</B></P>

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

<HR SIZE="2" NOSHADE ALIGN="CENTER" STYLE="width: 100%; color: black">

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

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 6-K</B></P>

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

<HR SIZE="2" NOSHADE ALIGN="CENTER" STYLE="width: 100%; color: black">

<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>Report of Foreign Private Issuer</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Pursuant to Rule 13a-16 or 15d-16 under the</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Securities Exchange Act of 1934</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>Date of report: May 10, 2023</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Commission File Number: 001-39115</B></P>

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

<HR SIZE="2" NOSHADE ALIGN="CENTER" STYLE="width: 100%; color: black">

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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WISEKEY INTERNATIONAL HOLDING AG</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Exact Name of Registrant as Specified in Charter)</B></P>

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

<HR SIZE="2" NOSHADE ALIGN="CENTER" STYLE="width: 100%; color: black">

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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WISEKEY INTERNATIONAL HOLDING LTD</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Translation of Registrant&rsquo;s name into
English)</B></P>

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

<HR SIZE="2" NOSHADE ALIGN="CENTER" STYLE="width: 100%; color: black">

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font-size: 10pt; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 30%">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Canton of Zug, Switzerland</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD>
    <TD STYLE="width: 30%">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>General-Guisan-Strasse 6</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CH-6300 Zug, Switzerland</B></P></TD>
    <TD STYLE="width: 30%; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>Not Applicable</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt">(State or other jurisdiction of incorporation or organization)</FONT></P>
                                                    <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">(Address of principal executive office)</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">(I.R.S. Employer Identification No.)</FONT></TD></TR>
  </TABLE>


<HR SIZE="2" NOSHADE ALIGN="CENTER" STYLE="width: 100%; color: black">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F:</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">&#9746; Form
20-F&#9;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#9744;
Form 40-F</P>

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

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin-top: 0pt; margin-bottom: 0pt; text-align: center; font-size: 8pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 10%">&nbsp;</TD>
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 86%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="text-align: center"><FONT STYLE="font-size: 10pt">Exhibit<BR>
<U>No.</U></FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt"><U>Description</U></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: center"><FONT STYLE="font-size: 10pt">1.1</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD><P STYLE="margin: 0pt 0; font: 10pt Times New Roman, Times, Serif"><A HREF="e618614_ex1-1.htm">Announcement of Record Dates, Distribution Dates and Ex-Dividend Dates for Special Dividend in Kind of WISeKey International Holding AG, issued on May 10, 2023.</A></A></P></FONT></TD></TR>
  <TR>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD>&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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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin-top: 0pt; margin-bottom: 0pt; text-align: center; font-size: 8pt">&nbsp;</P></DIV>
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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: center"><B>SIGNATURES</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: justify; text-indent: 0.5in">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, thereunto
duly authorized.</P>

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

<P STYLE="margin: 0pt"></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><P STYLE="margin: 0pt 0; font: 10pt Times New Roman, Times, Serif">Date: May 10, 2023</P>


</TD>
    <TD COLSPAN="3"><FONT STYLE="text-transform: uppercase"><B>wisekey international holding ag</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 30%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>By:&nbsp;&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">/s/ Carlos Moreira</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Name:&nbsp;</TD>
    <TD>Carlos Moreira</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Title:</TD>
    <TD>Chief Executive Officer</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>By:</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">/s/ Peter Ward</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Name:</TD>
    <TD>Peter Ward</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Title:</TD>
    <TD>Chief Financial Officer</TD></TR>
</TABLE>

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

<P STYLE="border-bottom: Black 2px solid; text-align: center; margin-top: 0pt; margin-bottom: 0pt">3</P>

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<TYPE>EX-1.1
<SEQUENCE>2
<FILENAME>e618614_ex1-1.htm
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<P STYLE="margin: 0pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Exhibit 1.1</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WISeKey Announces Record Dates, Distribution
Dates and Ex-Dividend Dates for Special Dividend-in-Kind and Launch of Tax Solicitation Process for WISeKey Class B Shareholders to Ensure
Correct Tax Withholding Treatment: Shareholder Action Is Required</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: justify"><B>Zug, Switzerland &ndash;&nbsp;May 10,&nbsp;2023</B>&ndash;
WISeKey International Holding Ltd (&ldquo;WISeKey&rdquo; or &ldquo;Company&rdquo;) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity
and IoT company is pleased to announce record dates for the special dividend-in-kind in the form of 1,500,300 Ordinary Shares in SEALSQ
Corp. (&ldquo;SEALSQ&rdquo;) distributed to holders of WISeKey's Class A Shares, Class B Shares and American Depositary Shares (&ldquo;ADSs&rdquo;),
as approved by its Extraordinary General Meeting on April 27, 2023.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Each holder of Class B Shares of WISeKey will
receive 0.010527269 SEALSQ Ordinary Shares for each WISeKey Class B Share held at close of trading on May 19, 2023 (the &ldquo;Swiss Record
Date&rdquo;). Each holder of Class A Shares of WISeKey will receive 0.002105454 SEALSQ Ordinary Shares for each WISeKey Class A Share
held at close of trading on the Swiss Record Date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">The ex-dividend date for the WISeKey Class A Shares
and Class B Shares will be May 22, 2023 (the &ldquo;Swiss Ex Date&rdquo;).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Each holder of ADSs of WISeKey (each representing
ten Class B Shares of WISeKey) will be entitled to receive 0.10527269 SEALSQ Ordinary Shares for each ADS held at close of business New
York Time on May 22, 2023 (the &ldquo;US Record Date&rdquo;.) The ex-dividend date for the WISeKey ADSs will be May 24, 2023 (the &ldquo;US
ADS Ex Date&rdquo;.)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">To the extent WISeKey issues any additional shares
prior to the applicable share record date, the number of SEALSQ Ordinary Shares to be distributed to holders of WISeKey Class B Shares,
ADSs and Class A Shares will be adjusted and will be announced by the Company.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">The distribution of SEALSQ Ordinary Shares to
Class A holders, Class B holders and ADS holders is expected to take place on May 23, 2023.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">SEALSQ Ordinary Shares are currently expected
to begin trading on a &ldquo;when-issued&rdquo; basis on the Nasdaq from market open on May 19, 2023 and continue up to and including
May 23, 2023 under the ticker &ldquo;LAESV.&rdquo; Trades in the &ldquo;when-issued&rdquo; market are expected to settle on May 26, 2023.
SEALSQ Ordinary Shares are expected to commence &ldquo;regular-way&rdquo; trading on May 24, 2023 under the ticker symbol &ldquo;LAES&rdquo;.
Trades in the &ldquo;regular-way&rdquo; market are expected to settle within the standard settlement cycle, which is the second business
day after the trade.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">The transaction remains subject to the applicable
approvals and conditions to the transaction being satisfied or waived, including but not limited to, the approval of the listing of SEALSQ&rsquo;s
Ordinary Shares on the Nasdaq. The Company confirmed that SEALSQ is expected to ring the opening bell at the Nasdaq on May 26, 2023 to
celebrate this milestone.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B>Launch of Tax Solicitation Process for WISeKey
Class B Shareholders</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&quot;This dividend distribution is a complex
process across multiple geographies, thus I would strongly encourage our Class B Shareholders to pay close attention to the instructions
included in the letters or e-mails they will receive in order to ensure they receive the full amount of the dividend to which they are
entitled,&quot; said Carlos Moreira, Founder and CEO of WISeKey.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">As the dividend-in-kind distribution is considered
a taxable event under US Tax Law, the Company has launched a website where shareholders holding WISeKey Class B Ordinary Shares can complete
the necessary information to ensure that the correct tax withholding treatment is applied to the dividend-in kind. To receive the declared
dividend distribution without the application of withholding taxes, WISeKey Class B Ordinary Shareholders are required to complete a Tax
Certification. To review related documentation and complete the tax certification related to WISeKey International Holding AG., shareholders
are invited to visit the following website: www.ComputershareCAS.com/WiseKey <FONT STYLE="font-family: Times New Roman, Times, Serif">or
https://wisekey.computersharecas.com<FONT STYLE="color: blue"><U>. </U></FONT></FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">WISeKey Class B Ordinary Shareholders will need
to enter an Account Code and a Control Code (password) in order to access the website, both of which are being sent directly to shareholders.
If WISeKey Class B shareholders are located outside of the United States have questions, they are invited to contact Computershare at
toll free at +1(866) 777-0201. Representatives are available to assist you from 2:30 p.m. to 12:00 a.m. CEST. Alternatively, WISeKey Class
B Ordinary Shareholders can e-mail Computershare Switzerland at Share.Register@computershare.ch or by post at the following address:</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Baslerstrasse 90</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">4601 Olten</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">For WISeKey Class B Shareholders located within
the United States, Computershare can be contacted locally at (617) 231- 2593. Representatives are available to assist Monday through Friday
from 8:30 a.m. - 6:00 p.m. U.S. Eastern Time.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Please indicate your confirmation number in your
email or mail.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; color: #1D2228"><B>About WISeKey</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; color: #1D2228">WISeKey (NASDAQ: WKEY; SIX Swiss
Exchange: WIHN) is a leading global cybersecurity company currently deploying large scale digital identity ecosystems for people and objects
using Blockchain, AI and IoT respecting the Human as the Fulcrum of the Internet. WISeKey microprocessors secure the pervasive computing
shaping today&rsquo;s Internet of Everything. WISeKey IoT has an install base of over 1.5 billion microchips in virtually all IoT sectors
(connected cars, smart cities, drones, agricultural sensors, anti-counterfeiting, smart lighting, servers, computers, mobile phones, crypto
tokens etc.).&nbsp; WISeKey is uniquely positioned to be at the edge of IoT as our semiconductors produce a huge amount of Big Data that,
when analyzed with Artificial Intelligence (AI), can help industrial applications to predict the failure of their equipment before it
happens.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; color: #1D2228">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="color: #1D2228">Our technology is
Trusted by the OISTE/WISeKey&rsquo;s Swiss based cryptographic Root of Trust (&ldquo;RoT&rdquo;) provides secure authentication and identification,
in both physical and virtual environments, for the Internet of Things, Blockchain and Artificial Intelligence. The WISeKey RoT serves
as a common trust anchor to ensure the integrity of online transactions among objects and between objects and people. For more information,
visit&nbsp;</FONT><FONT STYLE="color: #0F69FF">www.wisekey.com</FONT><FONT STYLE="color: #1D2228">.</FONT></P>

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; color: #1D2228"><B>Press and investor contacts:</B></P>

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    <TD STYLE="width: 50%; border: black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>WISeKey International Holding Ltd&nbsp;</B><BR>
Company Contact:&nbsp; Carlos Moreira<BR>
Chairman &amp; CEO<BR>
Tel:&nbsp;+41 22 594 3000<BR>
<FONT STYLE="color: #0F69FF">info@wisekey.com</FONT></FONT></TD>
    <TD STYLE="width: 50%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>WISeKey Investor Relations (US)&nbsp;</B><BR>
Contact:&nbsp; Lena Cati<BR>
The Equity Group Inc.<BR>
Tel:&nbsp;+1 212 836-9611<BR>
<FONT STYLE="color: #0F69FF">lcati@equityny.com</FONT></FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; color: #1D2228"><B>Disclaimer:</B><BR>
This communication expressly or implicitly contains certain forward-looking statements concerning WISeKey International Holding Ltd, SEALSQ
Corp and their respective businesses. Forward-looking statements include statements regarding business strategy, financial performance,
results of operations, market data, events or developments that we expect or anticipates will occur in the future, as well as any other
statements which are not historical facts. Although we believe that the expectations reflected in such forward-looking statements are
reasonable, no assurance can be given that such expectations will prove to have been correct. These statements involve known and unknown
risks and are based upon a number of assumptions and estimates which are inherently subject to significant uncertainties and contingencies,
many of which are beyond our control. Actual results may differ materially from those expressed or implied by such forward-looking statements.
Important factors that, in our view, could cause actual results to differ materially from those discussed in the forward-looking statements
include the expected benefits and costs of the intended spin-off transaction, the expected timing of the completion of the spin-off transaction
and the transaction terms, SEALSQ&rsquo;s ability to implement its growth strategies, SEALSQ&rsquo;s ability to continue beneficial transactions
with material parties, including a limited number of significant customers; market demand and semiconductor industry conditions; the approval
of SEALSQ&rsquo;s listing of its Ordinary Shares on NASDAQ and the risks discussed in WISeKey&rsquo;s and SEALSQ&rsquo;s filings with
the SEC. Risks and uncertainties are further described in reports filed by WISeKey and SEALSQ with the SEC.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; color: #1D2228">This press release does not constitute
an offer to sell, or a solicitation of an offer to buy, any shares or other securities, and it does not constitute an offering prospectus
within the meaning of the Swiss Financial Services Act (&ldquo;FinSA&rdquo;), the FinSa&rsquo;s predecessor legislation or advertising
within the meaning of the FinSA. Investors must rely on their own evaluation of WISeKey and its securities, including the merits and risks
involved. Nothing contained herein is, or shall be relied on as, a promise or representation as to the future performance of WISeKey.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; color: #1D2228">The registration statement referred
to in this press release, including the Prospectus contained therein, constitutes a foreign prospectus within the meaning of article 54
paras. 2 and 3 of the FinSA and article 70 paras. 2-4 of the Swiss Financial Services Ordinance of November 6, 2019, as amended.</P>

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