Marex Group plc美股招股说明书(2026-07-08版)

Subject to Completion, Dated July8, 2026Pricing Supplement dated, 2026(To Stock-Linked Underlying Supplement dated July6, 2026,Prospectus Supplement dated July6, 2026, and Prospectus dated July6, 2026) Marex Group Limited$Contingent Income (with Memory) Barrier Notes Linked to the Worst Performing of the Common Stock of GE Vernova Inc., the Common Stock of General Motors Company and the Common Stock of IntuitiveSurgical,Inc. due August2, 2029 ►Monthly Contingent Coupons (with Memory) at a rate of at least 1.567% (equivalent to at least 18.804% per annum, tobe determined on the Trade Date), payable if the Closing Price of each of the common stock of GE Vernova Inc., thecommon stock of General Motors Company and the common stock of Intuitive Surgical,Inc. (each, an “Underlying”and together the “Underlyings”) on the applicable Coupon Determination Date is greater than or equal to 50.00% of itsInitial Value ►Return of the Principal Amount if the Worst Performing Underlying does not decline by more than 50.00%►If the Worst Performing Underlying declines by more than 50.00%, there is full exposure to declines in the WorstPerforming Underlying, and you will lose all or a portion of your Principal Amount►Term: Approximately 3 years►All payments on the Notes are subject to the credit risk of Marex Group Limited (“Marex”) Application has been made for the Contingent Income (with Memory) Barrier Notes (the “Notes”) offered hereunder to beadmitted to listing and trading on the Vienna Multilateral Trading Facility (“Vienna MTF”) of the Vienna Stock Exchange.The Vienna MTF is not a regulated market as defined by Directive 2014/65/EU (as amended, “MiFID II”). It is, however, amultilateral trading facility (MTF) for purposes of MiFID II. Neither the U.S. Securities and Exchange Commission (the “SEC”) nor any state securities commission has approved ordisapproved of the Notes or passed upon the accuracy or the adequacy of this document or the accompanyingprospectus, prospectus supplement or underlying supplement. Any representation to the contrary is a criminal offense. Any offering of the Notes will be made pursuant to Article1(4)of Regulation (EU) 2017/1129 (as amended), including as itforms part of domestic law of the United Kingdom. Accordingly, no prospectus is required to be published in connectionwith such offering of the Notes in any member state of the European Economic Area (the "EEA") or the United Kingdom(the "UK"). See pageii of the accompanying prospectus supplement for further restrictions on offers and sales of theNotes in the EEA and the UK. Investment in the Notes involves certain risks. You should refer to “Risk Factors” beginning on pagePS-7 of thisdocument, pageS-1 of the accompanying prospectus supplement and pageS-1 of the accompanying underlyingsupplement. The Estimated Initial Value of the Notes on the Trade Date is expected to be between $935.00 and $985.00 per Note,which will be less than the price to public. The market value of the Notes at any time will reflect many factors and cannotbe predicted with accuracy. See “ Summary—Estimated Initial Value” on pagePS-4 and “Risk Factors” beginning onpagePS-8 of this document for additional information. (1)Marex Capital Markets Inc. (“MCMI”), an affiliate of ours, will act as the agent for the sale of the Notes. MCMI willpurchase the Notes from us at no underwriting discount for distribution to other registered broker-dealers or will offer theNotes directly to investors. See “Supplemental Plan of Distribution (Conflicts of Interest)” on pagePS-16 of thisdocument. The Notes: SUMMARY The information in this “Summary” section is qualified by the more detailed information set forth in the underlyingsupplement, the prospectus supplement and the prospectus. See “General” in this document. Issuer:Principal Amount:Reference Asset: Marex Group Limited $1,000 per Note The worst performing of the common stock of GE Vernova Inc. (Bloomberg ticker: GEV) (the“GEV”), the common stock of General Motors Company (Bloomberg ticker: GM) (the “GM”) andthe common stock of Intuitive Surgical,Inc. (Bloomberg ticker: ISRG) (the “ISRG”). Pricing Date:Trade Date:Original Issue Date:Final Valuation Date: July28, 2026 July29, 2026 July31, 2026 July30, 2029, subject to adjustment as described under “Additional Terms of the Notes—Valuation Dates” in the accompanying underlying supplement. August2, 2029, subject to adjustment as described under “Additional Terms of the Notes—Interest Payment Dates, Coupon Payment Dates, Call Payment Dates and Maturity Date” in theaccompanying underlying supplement. Maturity Date: Contingent Coupon(with Memory): If the Closing Price of each Underlying is greater than or equal to its Coupon Trigger ona Coupon Determination Date,you will receive the Contingent Coupon of at least $15.67 per$1,000 Principal Amount on the applicable Coupon Payment Date. If the Closing Price of any Underlying is less than its Coupon Trigger on a Cou