Jefferies Financial Group Inc. 美股招股说明书（2025年4月21日版）

Prospectus Supplement dated May 12,2023 and Prospectus dated May 12, 2023) $1,110,000Jefferies Jefferies Financial Group Inc.Senior Autocallable Contingent Coupon BarrierNotes due April 23, 2030 The Senior Autocallable Contingent Coupon BarrierNotes due April 23, 2030 Linked to the Worst-Performing of the VanEck® Semiconductor ETF, the Russell 2000®Index and the Nasdaq-100 Index®(the “Notes”) are senior unsecured obligations of Jefferies Financial Group Inc.The Notes have the terms described in the accompanying product supplement, prospectussupplement and prospectus, as supplemented or modified by this pricing supplement.The Notes are issued as part of our Series A Global Medium-Term Notes program. Jefferies Financial Group Inc.Senior Autocallable Contingent Coupon BarrierNotes due April 23, 2030 Linked to the Worst-Performing of the VanEck® Semiconductor ETF,the Russell 2000®Index and the Nasdaq-100 Index®$1,110,000. We may increase the Aggregate Principal Amount prior to the Original Issue Date but are not required to do so.$1,000 per Note Title of the Notes: Aggregate Principal Amount:Issue Price:Stated Principal Amount:Pricing Date:Original Issue Date:Coupon Observation Dates: April 23, 2025 (4 Business Days after the Pricing Date)Monthly, beginning on May 19, 2025, as set forth on page PS-2. The Coupon Observation Dates are subject to postponement as described inthe accompanying product supplement. Coupon Payment Dates: As set forth on page PS-2. The Coupon Payment Dates may be postponed if the related Coupon Observation Date is postponed as described inthe accompanying product supplement.Monthly, beginning on October 17, 2025, as set forth on page PS-2. The Call Observation Dates are subject to postponement as described in Call Observation Dates: the accompanying product supplement.As set forth on page PS-2. The Call Payment Dates may be postponed if the related Call Observation Date is postponed as described in the Call Payment Dates: accompanying product supplement. Valuation Date:Maturity Date: April 17, 2030, subject to postponement as described in the accompanying product supplement.April 23, 2030, which may be postponed if the Valuation Date is postponed as described in the accompanying product supplement. The worst-performing of the VanEck® Semiconductor ETF (the “SMH”), the Russell 2000®Index (the “RTY”) and the Nasdaq-100 Index®(the“NDX”).Please see “The Underlyings” below. Worst-Performing Underlying:Coupon Feature: The Underlying with the lowest Observation Value or Final Value, as applicable, as compared to its Initial ValueContingent Coupon Payments. The Notes will pay a Contingent Coupon Payment of $13.5833 on the applicable Coupon Payment Date if the Observation Value of the Worst-Performing Underlying on the applicable monthly Coupon Observation Date is greater than or equal to itsCoupon Barrier. Call Feature: Autocallable Notes. The Notes will be automatically called if the Observation Value of the Worst-Performing Underlying on any Call ObservationDate (beginning approximately six months after the Pricing Date) is equal to or greater than its Call Value.If your Notes are called, you willreceive the Call Payment on the applicable Call Payment Date, and no further amounts will be payable on the Notes. Call Payment:Payment at Maturity: The Stated Principal Amountplusany Contingent Coupon Payment that may otherwise be due on the applicable Call Payment Date.If the Final Value of the Worst-Performing Underlying is greater than or equal to its Threshold Value, you will receive for each Note that If the Final Value of the Worst-Performing Underlying is less than its Threshold Value, you will receive for each Note that you hold aPayment at Maturity that is less than the Stated Principal Amount of each Note that will equal: In this scenario the Payment at Maturity will be less than the Stated Principal Amount you could lose some or all of your investment.The Payment at Maturity will also include the final Contingent Coupon Payment if the Observation Value of the Worst-Performing Underlying onthe final Coupon Observation Date is greater than or equal to its Coupon Barrier. Initial Value:Observation Value: With respect to the SMH, the ETF Closing Price of the Underlyingtimesthe Adjustment Factor on the applicable Coupon Observation Date orCall Observation Date; with respect to each of the RTY and the NDX, the Index Closing Value of the Underlying on the applicable CouponObservation Date or Call Observation Date. With respect to the SMH, the ETF Closing Price of the Underlyingtimesthe Adjustment Factor on the Valuation Date; with respect to each of theRTY and the NDX, the Index Closing Value of the Underlying on the Valuation Date. Final Value: $144.40 with respect to the SMH (75% of its Initial Value, rounded to two decimal places); 1,410.467 with respect to the RTY (75% of its InitialValue, rounded to three decimal places); and 13,693.57 with respect to the NDX (7