MRX Marex Group PLC

Marex Group plc (“Marex”), the diversified global financial services platform, today announces that it has launched the initial public offering (the “IPO”) of its ordinary shares. A total of 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 (the “Selling Shareholders”).

In connection with the offering, the Selling Shareholders have granted the underwriters a 30-day option to purchase up to an additional 2,307,692 ordinary shares to cover over-allotments. The IPO price is currently estimated to be between $18 and $21 per share. Marex’s ordinary shares are expected to trade on the Nasdaq Global Select Market under the ticker symbol “MRX”.

Barclays, Goldman Sachs & Co. LLC, Jefferies and Keefe, Bruyette & Woods, a Stifel Company, are acting as joint lead book-running managers and as representatives of the underwriters for the proposed offering.

Citigroup, UBS Investment Bank, Piper Sandler and HSBC are acting as bookrunners for the proposed offering. Drexel Hamilton and Loop Capital Markets are acting as co-managers for the proposed offering.

The proposed offering will be made only by means of a prospectus. Copies of the preliminary prospectus relating to the proposed offering may be obtained 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.

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 does not constitute 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.

Enquiries please contact:

Nicola Ratchford / Robert CoatesMarex +44 (0) 7786548889 / +44 (0) 7880486329| nratchford@marex.com / RCoates@marex.com

FTI Consulting US / UK+1 (919) 609-9423 / +44 (0) 7776 111 222 | marex@fticonsulting.com