Citigroup Files Free Writing Prospectus

TL;DR

Citi filed an FWP on 4/6/26. Prospectus alert.

AI Summary

Citigroup Inc. filed a Free Writing Prospectus (FWP) on April 6, 2026, under the Securities Act Rules 163/433. This filing is related to a previous registration statement (File No. 333-293732). The FWP itself does not contain specific financial figures but serves as a communication tool for potential offerings.

Why It Matters

This filing indicates Citigroup is potentially preparing to offer new securities or has made forward-looking statements that require this type of disclosure under SEC rules.

Risk Assessment

Risk Level: low — This is a standard regulatory filing (FWP) and does not inherently indicate increased risk for the company.

Key Players & Entities

• Citigroup Inc. (company) — Subject of the filing
• 0000831001 (company) — CIK number for Citigroup Inc.
• 333-293732 (dollar_amount) — File number for the related registration statement
• 2026-04-06 (date) — Filing date

FAQ

Key Financial Figures

• $1,007.50 — Hypothetical Redemption *** 100.00% $1,007.50 Redeemed 50.00% $1,007.50 Redee
• $7.50 — 0.00% $1,007.50 Redeemed -0.01% $7.50 Securities not redeemed -25.00% $
• $0.00 — 0 Securities not redeemed -25.01% $0.00 Securities not redeemed -50.00% $
• $1,000 — pplicable. Stated principal amount: $1,000 per security Preliminary pricing supp

Filing Documents

• formfwp.htm (FWP) — 66KB
• image_001.jpg (GRAPHIC) — 15KB
• 0001918704-26-009453.txt ( ) — 88KB

From the Filing

Citigroup Global Markets Holdings Inc. Guaranteed by Citigroup Inc. Hypothetical Interim Payment per Security ** Hypothetical Underlying Return on Interim Valuation Date Hypothetical Payment for Interim Valuation Date Hypothetical Redemption *** 100.00% $1,007.50 Redeemed 50.00% $1,007.50 Redeemed 25.00% $1,007.50 Redeemed 0.00% $1,007.50 Redeemed -0.01% $7.50 Securities not redeemed -25.00% $7.50 Securities not redeemed -25.01% $0.00 Securities not redeemed -50.00% $0.00 Securities not redeemed -75.00% $0.00 Securities not redeemed -100.00% $0.00 Securities not redeemed 10 Year Autocallable Contingent Coupon Market-Linked Securities Linked to SPXF3EV6 Preliminary Terms This summary of terms is not complete and should be read with the preliminary pricing supplement below Issuer: Citigroup Global Markets Holdings Inc. Guarantor: Citigroup Inc. Underlying: The S&P 500 Futures 35% Edge Volatility 6% Decrement Index (USD) ER (ticker: "SPXF3EV6") (the "Index") Pricing date: April 6, 2026 Valuation dates: Monthly Maturity date: April 8, 2036 Contingent coupon: At least 9.00% per annum*, paid monthly only if the closing value of the underlying is greater than or equal to the coupon barrier value on the related valuation date. You are not assured of receiving any contingent coupon. Coupon barrier value: 75.00% of the initial underlying value Automatic early redemption: If on any autocall date the closing value of the underlying is greater than or equal to the initial underlying value, the securities will be automatically called for an amount equal to the principal plus the related contingent coupon Autocall dates: Monthly on valuation dates beginning after three years CUSIP / ISIN: 17332VNE0 / US17332VNE01 Initial underlying value: The closing value of the underlying on the pricing date Final underlying value: The closing value of the underlying on the final valuation date Underlying return: (Current closing value - initial underlying value) / initial underlying value Payment at maturity (if not autocalled): You will receive at maturity for each security you then hold, the stated principal amount plus the final contingent coupon payment, if applicable. Stated principal amount: $1,000 per security Preliminary pricing supplement: Preliminary Pricing Supplement dated April 6, 2026 * The actual contingent coupon rate will be determined on the pricing date. ** The hypotheticals assume that the contingent coupon will be set at the lowest value indicated in this offering summary. *** Assumes the interim valuation date is also an autocall date. Citigroup Global Markets Holdings Inc. Guaranteed by Citigroup Inc. Additional Information Citigroup Global Markets Holdings Inc. and Citigroup Inc. have filed registration statements (including the accompanying preliminary pricing supplement, product supplement, underlying supplement, prospectus supplement and prospectus) with the Securities and Exchange Commission ("SEC") for the offering to which this communication relates. Before you invest, you should read the accompanying preliminary pricing supplement, product supplement, underlying supplement, prospectus supplement and prospectus in those registration statements (File Nos. 333-293732 and 333-293732-02) and the other documents Citigroup Global Markets Holdings Inc. and Citigroup Inc. have filed with the SEC for more complete information about Citigroup Global Markets Holdings Inc., Citigroup Inc. and this offering. You may obtain these documents without cost by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, you can request these documents by calling toll-free 1-800-831-9146. Filed pursuant to Rule 433 This offering summary does not contain all of the material information an investor should consider before investing in the securities. This offering summary is not for distribution in isolation and must be read together with the accompanying preliminary pricing supplement and the other documents referred to therein, which can be accessed via the link on the first page. Selected Risk Considerations Although the securities provide for the repayment of the stated principal amount at maturity, you may nevertheless suffer a loss on your investment in real value terms if you do not receive one or more, or any contingent coupon payments. You will not receive any contingent coupon following any valuation date on which the closing value of the underlying on that valuation date is less than the coupon barrier value. The securities may be automatically redeemed prior to maturity, limiting your opportunity to receive contingent coupons if the underlying performs in a way that would otherwise be favorable. The securities are particularly sensitive to the volatility of the closing value of the underlying on or near the valuation dates. The securities are