<?xml version="1.0"?>
<notificationOfRemoval>

    <schemaVersion>X0203</schemaVersion>

    <exchange>
        <cik>0001354457</cik>
        <entityName>Nasdaq Stock Market LLC</entityName>
    </exchange>

    <issuer>
        <cik>0001856995</cik>
        <entityName>Mountain &amp; Co. I Acquisition Corp.</entityName>
        <fileNumber>333-259034</fileNumber>
        <address>
            <street1>4001 Kennett Pike, Suite 302</street1>
            <street2></street2>
            <city>Wilmington</city>
            <stateOrCountryCode>DE</stateOrCountryCode>
            <stateOrCountry>DELAWARE</stateOrCountry>
            <zipCode>19807</zipCode>
        </address>
        <telephoneNumber>+41 79 791 79 40</telephoneNumber>
    </issuer>

    <descriptionClassSecurity>Class A Ordinary Shares, Warrant, Unit</descriptionClassSecurity>

    <ruleProvision>17 CFR 240.12d2-2(b)</ruleProvision>

    <signatureData>
        <signatureName>Aravind Menon</signatureName>
        <signatureTitle>Hearings Advisor</signatureTitle>
        <signatureDate>2025-05-19</signatureDate>
    </signatureData>
</notificationOfRemoval>
