Marex

Marex

Marex Group plc announces that it has launched the initial public offering of its ordinary shares. 15,384,615 ordinary shares are being offered, 25% of which are being offered by Marex and 75% of which are being offered by certain selling shareholders (including Amphitryon Limited, in which JRJ Group and BXR Group have an indirect ownership interest). The expected IPO price is currently estimated to be between $18 to $21 per share. The selling shareholders have also granted the underwriters a 30-day option to purchase up to an additional 2,307,692 ordinary shares to cover over-allotments. Marex’s ordinary shares are expected to trade on Nasdaq under ticker symbol “MRX”.

A registration statement relating to these securities has been filed with the U.S. Securities and Exchange Commission but has not yet become effective. These securities may not be sold, nor may offers to buy these securities be accepted, prior to the time the registration statement becomes effective. This press release is not an offer to sell, or the solicitation of an offer to buy, any securities, and shall not constitute an offer, solicitation or sale in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of that jurisdiction.

The proposed offering will be made only by means of a prospectus. The preliminary prospectus is available from:

• Barclays Capital Inc., c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, by telephone at 1-888-603-5847, or by email at barclaysprospectus@broadridge.com;

• Goldman Sachs & Co. LLC, Attention: Prospectus Department, 200 West Street, New York, New York 10282, via telephone: 1-866-471-2526, or via email: prospectus-ny@ny.email.gs.com;

• Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, New York, NY 10022, by phone at (877) 821-7388, or by email at Prospectus_Department@Jefferies.com; or

• Keefe, Bruyette & Woods Inc., 787 Seventh Avenue, Fourth Floor, New York, NY 10019, attention: Equity Capital Markets, or by calling toll free at (800) 966-1559 or emailing USCapitalMarkets@kbw.com.