WISeKey International Holdings SA (WKEY)

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THEY ARE ONE AND THE SAME ...

Zug, Switzerland, May 17, 2023 – Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules – WISeKey International Holding Ltd. (“WISeKey” or the “Company”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, announced today that the Board of Directors has submitted its proposals for shareholder approval at the 2023 Annual General Meeting of Shareholders (“AGM“).

Key items that the Board of Directors recommends shareholders to approve are:

A reserve stock split of its shares at a ratio of 50:1; as a result of the applicable reverse split ratio, the number of Class A Shares and the number of Class B Shares issued and outstanding will, relative to the number of Class A Shares and Class B Shares issued and outstanding immediately prior to the effectiveness of the reverse stock split, decrease proportionally. Conversely, relative to the price of Class B Shares quoted on the SIX Swiss Exchange immediately prior to the effectiveness of the Reverse Stock Split, the Company expects the price per New Class B Share to increase commensurate to the 50-to-1 Split Ratio. WISeKey cannot, however, give any assurance in this regard.