ADVERTISING

The information is only directed at individual persons or legal entities which do not qualify as professional clients within the meaning of the Swiss Financial Services Act (the “FinSA”) and which are resident or are located in Switzerland (such individual persons or legal entities, the “eligible retail investors”). The information constitutes an advertisement within the meaning of article 68 FinSA. It is not a prospectus within the meaning of the FinSA nor under any other applicable laws with respect to the public offering of Class A common stock of Anthropic, PBC (the “Company”) to eligible retail investors in Switzerland (the “Swiss Public Offering”). Eligible retail investors in Switzerland should not purchase or subscribe for any shares of Class A common stock referred to in this information except on the basis of information in, and subject to the terms of, the prospectus to be issued by the Company for purposes of the European and Swiss Public Offerings (the “European Prospectus”), which may be different from the terms set out in this information. The European Prospectus will be, if and when approved by the German Federal Financial Supervisory Authority (Bundesanstalt für Finanzdienstleistungsaufsicht – “Bafin”) and deposited (Hinterlegung) with a Swiss prospectus office for automatic acceptance in accordance with article 54(2) FinSA, available free of charge on the website of the Company at ipo.anthropic.com (which webpage will not display the European Prospectus, until on or about the launch of the European Public Offering). The approval of the European Prospectus by the Bafin and/or the deposit of the European Prospectus with a Swiss prospectus office should not be understood as an endorsement of the securities.

Potential eligible retail investors in Switzerland should read the European Prospectus (including any documents incorporated by reference therein and any supplements thereto, if any) before making an investment decision in order to fully understand the potential risks and rewards associated with the decision to invest in the securities. Investment in shares entails numerous risks, including a total loss of initial investment.

LEGENDS REQUIRED UNDER U.S. SECURITIES LAWS

A registration statement relating to these securities has been filed with the U.S. Securities and Exchange Commission (“SEC”) but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This communication does not constitute an offer to sell or the solicitation of an offer to buy these securities, 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. Copies of the U.S. prospectus, when available, may be obtained for free by visiting EDGAR on the SEC's website at www.sec.gov.

This website is prepared by and is the sole responsibility of Saxo Bank (Schweiz) AG, The Circle 38, 8058 Zürich, Switzerland, a firm authorized and regulated by the Swiss Financial Market Supervisory Authority FINMA.

By accessing this website, you warrant that you are an individual person or legal entity which does not qualify as a professional client within the meaning of the FinSA and are resident or are located in Switzerland and you are not physically present in the United States, and you agree that you will not transmit or otherwise send any of the information to persons outside Switzerland.