# EDGAR Filing Document

**Accession Number:** 0000831001
**File Stem:** 0000950103-26-007227
**Filing Date:** 2026-5
**Character Count:** 60973
**Document Hash:** 98128cb9edded6e255e4f0ea28a3fad3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950103-26-007227.hdr.sgml**: 20260514

**ACCESSION NUMBER**: 0000950103-26-007227

**CONFORMED SUBMISSION TYPE**: 424B2

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260514

**DATE AS OF CHANGE**: 20260514

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CITIGROUP INC
- **CENTRAL INDEX KEY:** 0000831001
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATIONAL COMMERCIAL BANKS [6021]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 521568099
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 424B2
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-293732
- **FILM NUMBER:** 26980082

**BUSINESS ADDRESS:**
- **STREET 1:** 388 GREENWICH STREET
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10013
- **BUSINESS PHONE:** 2125591000

**MAIL ADDRESS:**
- **STREET 1:** 388 GREENWICH STREET
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10013

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** TRAVELERS GROUP INC
- **DATE OF NAME CHANGE:** 19950519

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** TRAVELERS INC
- **DATE OF NAME CHANGE:** 19940103

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PRIMERICA CORP /NEW/
- **DATE OF NAME CHANGE:** 19920703
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Citigroup Global Markets Holdings Inc.
- **CENTRAL INDEX KEY:** 0000200245
- **STANDARD INDUSTRIAL CLASSIFICATION:** SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 112418067
- **STATE OF INCORPORATION:** NY
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 424B2
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-293732-02
- **FILM NUMBER:** 26980083

**BUSINESS ADDRESS:**
- **STREET 1:** 388 GREENWICH ST
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10013
- **BUSINESS PHONE:** 212-816-6000

**MAIL ADDRESS:**
- **STREET 1:** 388 GREENWICH ST
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10013

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CITIGROUP GLOBAL MARKETS HOLDINGS INC
- **DATE OF NAME CHANGE:** 20030404

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SALOMON SMITH BARNEY HOLDINGS INC
- **DATE OF NAME CHANGE:** 19971128

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SALOMON INC
- **DATE OF NAME CHANGE:** 19920703

---

| | |
|:---|:---|
| The information in this preliminary pricing supplement is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This preliminary pricing supplement and the accompanying product supplement, prospectus supplement and prospectus are not an offer to sell these securities, nor are they soliciting an offer to buy these securities, in any state where the offer or sale is not permitted.<br>SUBJECT TO COMPLETION, DATED MAY 14, 2026 | The information in this preliminary pricing supplement is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This preliminary pricing supplement and the accompanying product supplement, prospectus supplement and prospectus are not an offer to sell these securities, nor are they soliciting an offer to buy these securities, in any state where the offer or sale is not permitted.<br>SUBJECT TO COMPLETION, DATED MAY 14, 2026 |
| Citigroup Global Markets Holdings Inc. | **May , 2026**<br>**Medium-Term Senior Notes, Series N**<br>**Pricing Supplement No. 2026-USNCH31954**<br>**Filed Pursuant to Rule 424(b)(2)**<br>**Registration Statement Nos. 333-293732 and 333-293732-02**<br>|

---

Autocallable Buffered Equity Linked Securities Linked to IonQ, Inc. Due May 21, 2027

▪ The securities offered by this pricing supplement are unsecured debt securities issued by Citigroup Global
Markets Holdings Inc. and guaranteed by Citigroup Inc. The securities offer periodic coupon payments at an annualized rate that is generally
higher than the yield on our conventional debt securities of the same maturity. In exchange for this higher yield, you must be willing
to accept the risks that (i) the value of what you receive at maturity may be significantly less than the stated principal amount of your
securities, and may be zero (excluding the final coupon payment), and (ii) the securities may be automatically called for redemption prior
to maturity beginning on the first potential autocall date specified below. Each of these risks will depend on the performance of the
underlying specified below. Although you will have downside exposure to the underlying, you will not receive dividends with respect to
the underlying or participate in any appreciation of the underlying.

▪ Investors in the securities must be willing to accept (i) an investment that may have limited or no liquidity
and (ii) the risk of not receiving any payments due under the securities if we and Citigroup Inc. default on our obligations. **All payments on the securities are subject to the credit risk of Citigroup Global Markets Holdings Inc. and Citigroup Inc.** 

---

| | |
|:---|:---|
| **KEY TERMS** | **KEY TERMS** |
| **Issuer:** | Citigroup Global Markets Holdings Inc., a wholly owned subsidiary of Citigroup Inc. |
| **Guarantee:** | All payments due on the securities are fully and unconditionally guaranteed by Citigroup Inc. |
| **Underlying:** | IonQ, Inc. |
| **Stated principal amount:** | $1,000 per security |
| **Strike date:** | May 13, 2026 |
| **Pricing date:** | May 14, 2026 |
| **Issue date:** | May 21, 2026 |
| **Valuation date:** | May 14, 2027, subject to postponement if such date is not a scheduled trading day or certain market disruption events occur |
| **Maturity date:** | Unless earlier redeemed, May 21, 2027 |
| **Coupon payments:** | On each coupon payment date, unless previously redeemed, the securities will pay a coupon equal to 5.1625% of the stated principal amount of the securities (equivalent to a coupon rate of 20.65% per annum). |
| **Coupon payment dates:** | The 21st day of February, May, August and November, beginning in August 2026, provided that the May 2027 coupon payment date will be the maturity date. If any coupon payment date is not a business day, the payment to be made on that coupon payment date will be made on the next succeeding business day with the same force and effect as if made on that coupon payment date. No interest will accrue as a result of any delayed payment. |
| **Payment at maturity:** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; If the securities are not automatically redeemed prior to maturity, you will receive at maturity for each security you then hold (in addition to the final coupon payment):<br>&nbsp;&nbsp;&nbsp;&nbsp;▪ If the final underlying value is **greater than or equal to** the final buffer value:<br>$1,000<br>&nbsp;&nbsp;&nbsp;&nbsp;▪ If the final underlying value is **less than** the final buffer value:<br>a fixed number of underlying shares of the underlying equal to the equity ratio (or, if we elect, the cash value of those shares based on the final underlying value)<br>**If the securities are not automatically redeemed prior to maturity and the final underlying value is less than the final buffer value, you will receive (in addition to the final coupon payment) a number of underlying shares (or, in our sole discretion, cash) that will be worth less than the stated principal amount of your securities, and possibly nothing, at maturity. The lower the final underlying value, the less benefit you will receive from the buffer.** |
| **Initial underlying value:** | $55.26, the closing value of the underlying on the strike date |
| **Final underlying value:** | The closing value of the underlying on the valuation date |
| **Final buffer value:** | $33.156, 60.00% of the initial underlying value |
| **Equity ratio:** | 30.16045, the stated principal amount *divided* by the final buffer value |
| **Listing:** | The securities will not be listed on any securities exchange |
| **Underwriter:** | Citigroup Global Markets Inc. ("**CGMI**"), an affiliate of the issuer, acting as principal |
| **Underwriting fee and issue price:** | **Proceeds to issuer** |
| **Per security:** | $985.00 |
| **Total:** | $|

---

*(Key Terms continued on next page)*

(1) Citigroup Global Markets Holdings Inc. currently expects that the estimated value of the securities on the pricing date will be at least $894.00 per security, which will be less than the issue price. The estimated value of the securities is based on CGMI's proprietary pricing models and our internal funding rate. It is not an indication of actual profit to CGMI or other of our affiliates, nor is it an indication of the price, if any, at which CGMI or any other person may be willing to buy the securities from you at any time after issuance. See "Valuation of the Securities" in this pricing supplement.

(2) For more information on the distribution of the securities, see "Supplemental Plan of Distribution" in this pricing supplement. In addition to the underwriting fee, CGMI and its affiliates may profit from expected hedging activity related to this offering, even if the value of the securities declines. See "Use of Proceeds and Hedging" in the accompanying prospectus.

**Investing in the securities involves risks not associated with an investment in conventional debt securities. See "Summary Risk Factors" beginning on page PS-5.**

**Neither the Securities and Exchange Commission (the "SEC") nor any state securities commission has approved or disapproved of the securities or determined that this pricing supplement and the accompanying product supplement, prospectus supplement and prospectus are truthful or complete. Any representation to the contrary is a criminal offense.**

***You should read this pricing supplement together with the accompanying product supplement, prospectus supplement and prospectus, which can be accessed via the hyperlinks below:***

[**Product Supplement No. EA-02-12 dated February 25, 2026**](https://www.sec.gov/Archives/edgar/data/200245/000095010326002658/dp241929_424b2-ea0212.htm) [**Prospectus Supplement and Prospectus each dated February 25, 2026**](https://www.sec.gov/Archives/edgar/data/200245/000119312526071985/d53413d424b2.htm)

**The securities are not bank deposits and are not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency, nor are they obligations of, or guaranteed by, a bank.**

<u>Citigroup Global Markets Holdings Inc.</u> <br>

---

| | |
|:---|:---|
| **KEY TERMS (continued)** | **KEY TERMS (continued)** |
| **Automatic early redemption:** | If, on any potential autocall date, the closing value of the underlying is greater than or equal to the initial underlying value, each security you then hold will be automatically called on that potential autocall date for redemption on the immediately following coupon payment date for an amount in cash equal to $1,000.00 *plus* the related coupon payment. **The automatic early redemption feature may significantly limit your potential return on the securities. If the underlying performs in a way that would otherwise be favorable, the securities are likely to be automatically called for redemption prior to maturity, cutting short your opportunity to receive coupon payments. The securities may be automatically called for redemption as early as the first potential autocall date specified below.** |
| **Potential autocall dates:** | November 16, 2026 and February 12, 2027, each subject to postponement as if such date were the valuation date as described in the accompanying product supplement. If a scheduled potential autocall date is postponed by one or more business days, the immediately following coupon payment date will be postponed by an equal number of business days. |
| **CUSIP / ISIN:** | 17332YAA6 / US17332YAA64 |

---

<u>Citigroup Global Markets Holdings Inc.</u> <br>

Additional Information

**General.** The terms of the securities are set forth in the accompanying product supplement, prospectus supplement and prospectus, as supplemented by this pricing supplement. The accompanying product supplement, prospectus supplement and prospectus contain important disclosures that are not repeated in this pricing supplement. For example, the accompanying product supplement contains important information about how the closing value of the underlying will be determined and about adjustments that may be made to the terms of the securities upon the occurrence of market disruption events and other specified events with respect to the underlying. It is important that you read the accompanying product supplement, prospectus supplement and prospectus together with this pricing supplement in deciding whether to invest in the securities. Certain terms used but not defined in this pricing supplement are defined in the accompanying product supplement.

**Closing Value.** The "closing value" of the underlying on any date is the closing price of its underlying shares on such date, as provided in the accompanying product supplement. The "underlying shares" of the underlying are its shares of common stock. Please see the accompanying product supplement for more information.

**Delisting of the Underlying.** If the underlying shares are delisted as described in the accompanying product supplement in the section "Description of the Securities—Certain Additional Terms for Securities Linked to an Underlying Company or an Underlying ETF—Delisting of an Underlying Company", we will have the right, but not the obligation, to call the securities for redemption. Notwithstanding anything to the contrary in that section, if we exercise this call right, we will redeem each security for an amount in cash equal to:

&nbsp;&nbsp;&nbsp;&nbsp;(i) the amount you would be entitled to receive per security at maturity (excluding the final coupon payment) if the last valid trading
day (as defined in the accompanying product supplement) were the valuation date, plus

&nbsp;&nbsp;&nbsp;&nbsp;(ii) accrued and unpaid coupon to but excluding the date of redemption, plus

&nbsp;&nbsp;&nbsp;&nbsp;(iii) the present value of the remaining scheduled coupon payments on the securities (excluding any portion accrued to but excluding the
date of redemption) discounted to the date of redemption based on the comparable yield that we would pay on a non-interest bearing, senior
unsecured debt obligation of comparable size having a maturity equal to the term of each such remaining scheduled payment, as determined
by the calculation agent in good faith.

<u>Citigroup Global Markets Holdings Inc.</u> <br>

Hypothetical Examples

The examples below illustrate how to determine the payment at maturity on the securities, assuming the securities are not automatically redeemed prior to maturity. You should understand that the term of the securities, and your opportunity to receive the coupon payments on the securities, may be limited by the automatic early redemption feature of the securities, which is not reflected in the examples below. The outcomes illustrated below are not exhaustive, and your actual payment at maturity on the securities (if the securities are not earlier automatically redeemed) may differ from any example illustrated below. The examples are solely for illustrative purposes, do not show all possible outcomes and are not a prediction of any payment that may be made on the securities.

The examples below are based on the following hypothetical values and do not reflect the actual initial underlying value, final buffer value or equity ratio. For the actual initial underlying value, final buffer value and equity ratio, see the cover page of this pricing supplement. We have used these hypothetical values, rather than the actual values, to simplify the calculations and aid understanding of how the securities work. However, you should understand that the actual payments on the securities will be calculated based on the actual initial underlying value, final buffer value and equity ratio, and not the hypothetical values indicated below. For ease of analysis, figures below have been rounded.

---

| | |
|:---|:---|
| **Hypothetical initial underlying value:** | $100.00 |
| **Hypothetical final buffer value:** | $60.00 (60.00% of the hypothetical initial underlying value) |
| **Hypothetical equity ratio:** | 16.66667 (the stated principal amount divided by the hypothetical final buffer value) |

---

***Hypothetical Examples of the Payment at Maturity on the Securities***

The four hypothetical examples illustrate the calculation of the payment at maturity on the securities, assuming that the final underlying value is as indicated below.

---

| | | |
|:---|:---|:---|
| | **Hypothetical final underlying value** | **Hypothetical payment at maturity per $1,000 security (excluding the final coupon payment)** |
| **Example 1** | $110<br>(greater than final buffer value)<br>| **$1000** |
| **Example 2** | $50<br>(less than final buffer value)<br>| **A number of underlying shares of the underlying (or, in our sole discretion, cash) worth $833.33** based on the final underlying value |
| **Example 3** | $30<br>(less than final buffer value)<br>| **A number of underlying shares of the underlying (or, in our sole discretion, cash) worth $500.00** based on the final underlying value |
| **Example 4** | $0<br>(less than final buffer value)<br>| **$0.00** |

---

**Example 1:** The final underlying value is greater than the final buffer value. Accordingly, at maturity, you would receive the stated principal amount of the securities plus the final coupon payment. You would not participate in the appreciation of the underlying.

**Example 2:** The final underlying value is less than the final buffer value. Accordingly, at maturity, you would receive for each security you then hold a fixed number of underlying shares of the underlying equal to the equity ratio (or, at our option, the cash value thereof) plus the final coupon payment.

In this scenario, the value of a number of underlying shares of the underlying equal to the equity ratio, based on the final underlying value, would be $833.33. Therefore, the value of the underlying shares of the underlying (or, in our discretion, cash) you receive at maturity would be significantly less than the stated principal amount of your securities. You would incur a loss based on the depreciation of the underlying from the initial underlying value to the final underlying value.

Because the equity ratio of the underlying is determined by dividing the stated principal amount of the securities by the final buffer value, rather than the initial underlying value, the downside exposure that investors have to the underlying is similar to the downside exposure they would have if they had bought the underlying at a price equal to the final buffer value (and had forgone dividends over the term of the securities). In this manner, the securities offer a "geared buffer" – i.e., a better return (disregarding forgone dividends) – relative to the return that would have been achieved by investing in the underlying at the initial underlying value. However, it is important to note that the benefit of this geared buffer diminishes the greater the depreciation of the underlying on the valuation date, as illustrated by a comparison of this example with the next one.

If the final underlying value is less than the final buffer value, we will have the option to deliver to you on the maturity date either a number of underlying shares of the underlying equal to the equity ratio or the cash value of those underlying shares based on their final underlying value. The value of those underlying shares on the maturity date may be different than their final underlying value.

**Example 3:** The final underlying value is less than the final buffer value. Accordingly, at maturity, you would receive for each security you then hold a fixed number of underlying shares of the underlying equal to the equity ratio (or, at our option, the cash value thereof) plus the final coupon payment.

In this scenario, the value of a number of underlying shares of the underlying equal to the equity ratio, based on the final underlying value, would be $500.00. Therefore, the value of the underlying shares of the underlying (or, in our discretion, cash) you receive at maturity would be significantly less than the stated principal amount of your securities. You would incur a loss based on the depreciation of the underlying from the initial underlying value to the final underlying value.

<u>Citigroup Global Markets Holdings Inc.</u> <br>

A comparison of this example with the previous example illustrates the diminishing benefit of the geared buffer offered by the securities the greater the depreciation of the underlying on the valuation date. In the prior example, the underlying had depreciated by 50% from the initial underlying value to this final underlying value, and investors in the securities would receive a number of underlying shares of the underlying (or, in our sole discretion, cash) worth 16.667% less than the stated principal amount – reflecting an effective buffer of 33.333% (the difference between the decline of the underlying and the loss on the securities). In this example, however, the underlying had depreciated by 70% from the initial underlying value to the final underlying value, and investors in the securities would receive a number of underlying shares of the underlying (or, in our sole discretion, cash) worth 50.000% less than the stated principal amount – reflecting an effective buffer of only 20.000% (the difference between the decline of the underlying and the loss on the securities). The greater the depreciation of the underlying on the valuation date, the closer your negative return on the securities will be to the depreciation of the underlying on the valuation date.

If the final underlying value is less than the final buffer value, we will have the option to deliver to you on the maturity date either a number of underlying shares of the underlying equal to the equity ratio or the cash value of those underlying shares based on their final underlying value. The value of those underlying shares on the maturity date may be different than their final underlying value.

**Example 4:** The final underlying value is $0.00. In this scenario, the underlying shares of the underlying are worthless and you would lose your entire investment in the securities and receive only the final coupon payment at maturity.

<u>Citigroup Global Markets Holdings Inc.</u> <br>

Summary Risk Factors

An investment in the securities is significantly riskier than an investment in conventional debt securities. The securities are subject to all of the risks associated with an investment in our conventional debt securities (guaranteed by Citigroup Inc.), including the risk that we and Citigroup Inc. may default on our obligations under the securities, and are also subject to risks associated with the underlying. Accordingly, the securities are suitable only for investors who are capable of understanding the complexities and risks of the securities. You should consult your own financial, tax and legal advisors as to the risks of an investment in the securities and the suitability of the securities in light of your particular circumstances.

The following is a summary of certain key risk factors for investors in the securities. You should read this summary together with the more detailed description of risks relating to an investment in the securities contained in the section "Risk Factors Relating to the Securities" beginning on page EA-7 in the accompanying product supplement. You should also carefully read the risk factors included in the accompanying prospectus supplement and in the documents incorporated by reference in the accompanying prospectus, including Citigroup Inc.'s most recent Annual Report on Form 10-K and any subsequent Quarterly Reports on Form 10-Q, which describe risks relating to the business of Citigroup Inc. more generally.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **You may lose some or all of your investment.** Unlike conventional debt securities, the securities do not provide for the repayment
of the stated principal amount at maturity in all circumstances. If the securities are not automatically redeemed prior to maturity and
the final underlying value is less than the final buffer value, you will not receive the stated principal amount of your securities at
maturity and, instead, will receive underlying shares of the underlying (or, in our sole discretion, cash based on the final underlying
value) that will be worth less than the stated principal amount and possibly nothing. There is no minimum payment at maturity on the securities
(excluding the final coupon payment), and you may lose up to all of your investment.

At maturity, if the final underlying value is less than the final buffer value, you will have similar downside market risk as a purchaser of the underlying at the final buffer value (except that you will not receive any dividends). This will result in a smaller loss on the securities (disregarding dividends) than would be incurred by a purchaser of the underlying at the initial underlying value, unless the final underlying value is zero. However, you will be exposed at an increased rate to the decline in the value of the underlying below the final buffer value, with a loss on the securities of more than 1% for each additional 1% the underlying declines from the initial underlying value. Therefore, the lower the final underlying value of the underlying, the closer your loss of principal will be to the percentage decline of the underlying from the initial underlying value to the final underlying value.

We may elect, in our sole discretion, to pay you cash at maturity in lieu of delivering any underlying shares. If we elect to pay you cash at maturity in lieu of delivering any underlying shares, the amount of that cash may be less than the market value of the underlying shares on the maturity date because the market value will likely fluctuate between the valuation date and the maturity date. Conversely, if we do not exercise our cash election right and instead deliver underlying shares to you on the maturity date, the market value of such underlying shares may be less than the cash amount you would have received if we had exercised our cash election right. We will have no obligation to take your interests into account when deciding whether to exercise our cash election right.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The initial underlying value, set on the strike date, may be higher than the closing value of the underlying on the pricing date.** If the closing value of the underlying on the pricing date is less than the initial underlying value set on the
strike date, the terms of the securities may be less favorable to you than the terms of an alternative investment that may be available
to you that offers a similar payout as the securities but with the initial underlying value set on the pricing date.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The securities may be automatically redeemed prior to maturity, limiting your opportunity to receive coupon payments.** On any potential autocall date, the securities will be automatically called for redemption if the closing value of
the underlying on that potential autocall date is greater than or equal to the initial underlying value. As a result, if the underlying
performs in a way that would otherwise be favorable, the securities are likely to be automatically redeemed, cutting short your opportunity
to receive coupon payments. If the securities are automatically redeemed prior to maturity, you may not be able to reinvest your funds
in another investment that provides a similar yield with a similar level of risk.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **Higher coupon rates are associated with greater risk.** The securities offer coupon payments at an
annualized rate that is generally higher than the yield on our conventional debt securities of the same maturity. This higher potential
yield is associated with greater levels of expected risk as of the pricing date for the securities, including the risk that the value
of what you receive at maturity may be significantly less than the stated principal amount of your securities and may be zero. The volatility
of the closing value of the underlying is an important factor affecting these risks. Greater expected volatility of the closing value
of the underlying as of the pricing date may result in a higher coupon rate, but would also represent a greater expected likelihood as
of the pricing date that the final underlying value will be less than the final buffer value, such that you will not be repaid the stated
principal amount of your securities at maturity.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The securities offer downside exposure to the underlying, but no upside exposure to the underlying.** You will not participate in any appreciation in the value of the underlying over the term of the securities. Consequently, your return
on the securities will be limited to the coupon payments you receive and may be significantly less than the return on the underlying over
the term of the securities. In addition, as an investor in the securities, you will not receive any dividends or other distributions or
have any other rights with respect to the underlying.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The performance of the securities will depend on the closing value of the underlying solely on the potential autocall dates and the valuation date, which makes the securities particularly sensitive to volatility of the underlying.** Whether the securities will be automatically redeemed prior to maturity will depend on the closing value of the underlying solely on the
potential autocall dates, regardless of the closing values on other days during the term of the securities. If the securities are not
automatically redeemed prior to maturity, what you receive at maturity will depend solely on the closing value of the underlying on the
valuation date, and not on any other day during the term of the securities. Because the performance of the securities depends on the closing
values of the underlying on a limited number of dates, the securities will be particularly sensitive to volatility in the closing values
of the underlying on or near the potential autocall dates and the valuation date. You should understand that the closing value of the
underlying has historically been highly volatile.

<u>Citigroup Global Markets Holdings Inc.</u> <br>

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The securities are subject to the credit risk of Citigroup Global Markets Holdings Inc. and Citigroup Inc.** If we default on our obligations under the securities and Citigroup Inc. defaults on its guarantee obligations, you may not receive
anything owed to you under the securities.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The securities will not be listed on any securities exchange and you may not be able to sell them prior to maturity.** The securities will not be listed on any securities exchange. Therefore, there may be little or no secondary market for
the securities. CGMI currently intends to make a secondary market in relation to the securities and to provide an indicative bid price
for the securities on a daily basis. Any indicative bid price for the securities provided by CGMI will be determined in CGMI's sole
discretion, taking into account prevailing market conditions and other relevant factors, and will not be a representation by CGMI that
the securities can be sold at that price, or at all. CGMI may suspend or terminate making a market and providing indicative bid prices
without notice, at any time and for any reason. If CGMI suspends or terminates making a market, there may be no secondary market at all
for the securities because it is likely that CGMI will be the only broker-dealer that is willing to buy your securities prior to maturity.
Accordingly, an investor must be prepared to hold the securities until maturity.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The estimated value of the securities on the pricing date, based on CGMI's proprietary pricing models and our internal funding rate, is less than the issue price.** The difference is attributable to certain costs associated with
selling, structuring and hedging the securities that are included in the issue price. These costs include (i) any selling concessions
or other fees paid in connection with the offering of the securities, (ii) hedging and other costs incurred by us and our affiliates in
connection with the offering of the securities and (iii) the expected profit (which may be more or less than actual profit) to CGMI or
other of our affiliates in connection with hedging our obligations under the securities. These costs adversely affect the economic terms
of the securities because, if they were lower, the economic terms of the securities would be more favorable to you. The economic terms
of the securities are also likely to be adversely affected by the use of our internal funding rate, rather than our secondary market rate,
to price the securities. See "The estimated value of the securities would be lower if it were calculated based on our secondary
market rate" below.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The estimated value of the securities was determined for us by our affiliate using proprietary pricing models.** CGMI derived the estimated value disclosed on the cover page of this pricing supplement from its proprietary pricing models.
In doing so, it may have made discretionary judgments about the inputs to its models, such as the volatility of the closing value of the
underlying, the dividend yield on the underlying and interest rates. CGMI's views on these inputs may differ from your or others'
views, and as an underwriter in this offering, CGMI's interests may conflict with yours. Both the models and the inputs to the models
may prove to be wrong and therefore not an accurate reflection of the value of the securities. Moreover, the estimated value of the securities
set forth on the cover page of this pricing supplement may differ from the value that we or our affiliates may determine for the securities
for other purposes, including for accounting purposes. You should not invest in the securities because of the estimated value of the securities.
Instead, you should be willing to hold the securities to maturity irrespective of the initial estimated value.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The estimated value of the securities would be lower if it were calculated based on our secondary market rate.** The estimated value of the securities included in this pricing supplement is calculated based on our internal funding rate,
which is the rate at which we are willing to borrow funds through the issuance of the securities. Our internal funding rate is generally
lower than our secondary market rate, which is the rate that CGMI will use in determining the value of the securities for purposes of
any purchases of the securities from you in the secondary market. If the estimated value included in this pricing supplement were based
on our secondary market rate, rather than our internal funding rate, it would likely be lower. We determine our internal funding rate
based on factors such as the costs associated with the securities, which are generally higher than the costs associated with conventional
debt securities, and our liquidity needs and preferences. Our internal funding rate is not an interest rate that is payable on the securities.

Because there is not an active market for traded instruments referencing our outstanding debt obligations, CGMI determines our secondary market rate based on the market price of traded instruments referencing the debt obligations of Citigroup Inc., our parent company and the guarantor of all payments due on the securities, but subject to adjustments that CGMI makes in its sole discretion. As a result, our secondary market rate is not a market-determined measure of our creditworthiness, but rather reflects the market's perception of our parent company's creditworthiness as adjusted for discretionary factors such as CGMI's preferences with respect to purchasing the securities prior to maturity.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The estimated value of the securities is not an indication of the price, if any, at which CGMI or any other person may be willing to buy the securities from you in the secondary market.** Any such secondary market price will fluctuate
over the term of the securities based on the market and other factors described in the next risk factor. Moreover, unlike the estimated
value included in this pricing supplement, any value of the securities determined for purposes of a secondary market transaction will
be based on our secondary market rate, which will likely result in a lower value for the securities than if our internal funding rate
were used. In addition, any secondary market price for the securities will be reduced by a bid-ask spread, which may vary depending on
the aggregate stated principal amount of the securities to be purchased in the secondary market transaction, and the expected cost of
unwinding related hedging transactions. As a result, it is likely that any secondary market price for the securities will be less than
the issue price.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The value of the securities prior to maturity will fluctuate based on many unpredictable factors.** The value of your securities prior to maturity will fluctuate based on the closing value of the underlying, the volatility of the closing
value of the underlying, the dividend yield on the underlying, interest rates generally, the time remaining to maturity and our and Citigroup
Inc.'s creditworthiness, as reflected in our secondary market rate, among other factors described under "Risk Factors Relating
to the Securities—Risk Factors Relating to All Securities—The value of your securities prior to maturity will fluctuate based
on many unpredictable factors" in the accompanying product supplement. Changes in the closing value of the underlying may not result
in a comparable change in the value of your securities. You should understand that the value of your securities at any time prior to maturity
may be significantly less than the issue price.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **Immediately following issuance, any secondary market bid price provided by CGMI, and the value that will be indicated on any brokerage account statements prepared by CGMI or its affiliates, will reflect a temporary upward adjustment.** The amount of this temporary upward adjustment will steadily decline to zero over the temporary adjustment period. See "Valuation
of the Securities" in this pricing supplement.

<u>Citigroup Global Markets Holdings Inc.</u> <br>

&nbsp;&nbsp;&nbsp;&nbsp;▪ **Our offering of the securities is not a recommendation of the underlying.** The fact that we are
offering the securities does not mean that we believe that investing in an instrument linked to the underlying is likely to achieve favorable
returns. In fact, as we are part of a global financial institution, our affiliates may have positions (including short positions) in the
underlying or in instruments related to the underlying, and may publish research or express opinions, that in each case are inconsistent
with an investment linked to the underlying. These and other activities of our affiliates may affect the closing value of the underlying
in a way that negatively affects the value of and your return on the securities.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The closing value of the underlying may be adversely affected by our or our affiliates' hedging and other trading activities.** We expect to hedge our obligations under the securities through CGMI or other of our affiliates, who
may take positions in the underlying or in financial instruments related to the underlying and may adjust such positions during the term
of the securities. Our affiliates also take positions in the underlying or in financial instruments related to the underlying on a regular
basis (taking long or short positions or both), for their accounts, for other accounts under their management or to facilitate transactions
on behalf of customers. These activities could affect the closing value of the underlying in a way that negatively affects the value of
and your return on the securities. They could also result in substantial returns for us or our affiliates while the value of the securities
declines.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **We and our affiliates may have economic interests that are adverse to yours as a result of our affiliates' business activities.** Our affiliates engage in business activities with a wide range of companies. These activities include extending
loans, making and facilitating investments, underwriting securities offerings and providing advisory services. These activities could
involve or affect the underlying in a way that negatively affects the value of and your return on the securities. They could also result
in substantial returns for us or our affiliates while the value of the securities declines. In addition, in the course of this business,
we or our affiliates may acquire non-public information, which will not be disclosed to you.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The calculation agent, which is an affiliate of ours, will make important determinations with respect to the securities.** If certain events occur during the term of the securities, such as market disruption events and other events with
respect to the underlying, CGMI, as calculation agent, will be required to make discretionary judgments that could significantly affect
your return on the securities. In making these judgments, the calculation agent's interests as an affiliate of ours could be adverse
to your interests as a holder of the securities. See "Risk Factors Relating to the Securities—Risk Factors Relating to All
Securities—The calculation agent, which is an affiliate of ours, will make important determinations with respect to the securities"
in the accompanying product supplement.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **Even if the underlying pays a dividend that it identifies as special or extraordinary, no adjustment will be required under the securities for that dividend unless it meets the criteria specified in the accompanying product supplement.** In general, an adjustment will not be made under the terms of the securities for any cash dividend paid by the underlying unless the amount
of the dividend per share, together with any other dividends paid in the same quarter, exceeds the dividend paid per share in the most
recent quarter by an amount equal to at least 10% of the closing value of the underlying on the date of declaration of the dividend. Any
dividend will reduce the closing value of the underlying by the amount of the dividend per share. If the underlying pays any dividend
for which an adjustment is not made under the terms of the securities, holders of the securities will be adversely affected. See "Description
of the Securities—Certain Additional Terms for Securities Linked to an Underlying Company or an Underlying ETF—Dilution and
Reorganization Adjustments—Certain Extraordinary Cash Dividends" in the accompanying product supplement.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The securities will not be adjusted for all events that may have a dilutive effect on or otherwise adversely affect the closing value of the underlying.** For example, we will not make any adjustment for ordinary dividends or extraordinary
dividends that do not meet the criteria described above, partial tender offers or additional underlying share issuances. Moreover, the
adjustments we do make may not fully offset the dilutive or adverse effect of the particular event. Investors in the securities may be
adversely affected by such an event in a circumstance in which a direct holder of the underlying shares would not.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The securities may become linked to an underlying other than the original underlying upon the occurrence of a reorganization event or upon the delisting of the underlying shares.** For example, if the underlying enters into a merger agreement
that provides for holders of the underlying shares to receive shares of another entity and such shares are marketable securities, the
closing value of the underlying following consummation of the merger will be based on the value of such other shares. Additionally, if
the underlying shares are delisted, the calculation agent may select a successor underlying. See "Description of the Securities—Certain
Additional Terms for Securities Linked to an Underlying Company or an Underlying ETF" in the accompanying product supplement.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **If the underlying shares are delisted, we may call the securities prior to maturity for an amount that may be less than the stated principal amount.** If we exercise this call right, you will receive the amount described under "Additional
Information—Delisting of the Underlying" in this pricing supplement. This amount may be less, and possibly significantly less,
than the stated principal amount of the securities.

&nbsp;&nbsp;&nbsp;&nbsp;▪ **The U.S. federal tax consequences of an investment in the securities are unclear.** There is no direct
legal authority regarding the proper U.S. federal tax treatment of the securities, and we do not plan to request a ruling from the Internal
Revenue Service (the "IRS"). Consequently, significant aspects of the tax treatment of the securities are uncertain,
and the IRS or a court might not agree with the treatment of the securities as described in "United States Federal Tax Considerations"
below. If the IRS were successful in asserting an alternative treatment of the securities, the tax consequences of the ownership
and disposition of the securities might be materially and adversely affected. Moreover, future legislation, Treasury regulations
or IRS guidance could adversely affect the U.S. federal tax treatment of the securities, possibly retroactively.

As described in "United States Federal Tax Considerations" below, in connection with any information reporting requirements we may have in respect of the securities under applicable law, we intend to treat a portion of each coupon payment as attributable to interest and the remainder to option premium. However, in light of the uncertain treatment of the securities, it is possible that other persons having withholding or information reporting responsibility in respect of the securities may treat a security differently, for instance, by treating the entire coupon payment as ordinary income at the time received or accrued by a holder and/or treating some or all of each coupon payment on a security to a non-U.S. investor as subject to withholding tax at a rate of 30%.

<u>Citigroup Global Markets Holdings Inc.</u> <br>

**If withholding applies to the securities, we will not be required to pay any additional amounts with respect to amounts withheld.**

<u>Citigroup Global Markets Holdings Inc.</u> <br>

Information About IonQ, Inc.

IonQ, Inc. sells specialized quantum computing hardware and complementary products and services, sells access to quantum computers and offers data-as-a-service products through a network of satellites. The underlying shares of IonQ, Inc. are registered under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Information provided to or filed with the SEC by IonQ, Inc. pursuant to the Exchange Act can be located by reference to the SEC file number 001-39694 through the SEC's website at http://www.sec.gov. In addition, information regarding IonQ, Inc. may be obtained from other sources including, but not limited to, press releases, newspaper articles and other publicly disseminated documents. The underlying shares of IonQ, Inc. trade on the New York Stock Exchange under the ticker symbol "IONQ."

We have derived all information regarding IonQ, Inc. from publicly available information and have not independently verified any information regarding IonQ, Inc. This pricing supplement relates only to the securities and not to IonQ, Inc. We make no representation as to the performance of IonQ, Inc. over the term of the securities.

The securities represent obligations of Citigroup Global Markets Holdings Inc. (guaranteed by Citigroup Inc.) only. IonQ, Inc. is not involved in any way in this offering and has no obligation relating to the securities or to holders of the securities.

Historical Information

The closing value of IonQ, Inc. on May 13, 2026 was $55.26.

The graph below shows the closing value of IonQ, Inc. for each day such value was available from January 4, 2021 to May 13, 2026. We obtained the closing values from Bloomberg L.P., without independent verification. If certain corporate transactions occurred during the historical period shown below, including, but not limited to, spin-offs or mergers, then the closing values shown below for the period prior to the occurrence of any such transaction have been adjusted by Bloomberg L.P. as if any such transaction had occurred prior to the first day in the period shown below. You should not take historical closing values as an indication of future performance.

---

| |
|:---|
| **IonQ, Inc. – Historical Closing Values<br> January 4, 2021 to May 13, 2026** |
| ![](image_001.jpg) |

---

<u>Citigroup Global Markets Holdings Inc.</u> <br>

United States Federal Tax Considerations

You should read carefully the discussion under "United States Federal Tax Considerations" and "Risk Factors Relating to the Securities" in the accompanying product supplement and "Summary Risk Factors" in this pricing supplement.

Due to the lack of any controlling legal authority, there is substantial uncertainty regarding the U.S. federal tax consequences of an investment in the securities. In connection with any information reporting requirements we may have in respect of the securities under applicable law, we intend (in the absence of an administrative determination or judicial ruling to the contrary) to treat a security as a put option (the "Put Option") written by you with respect to the underlying shares, secured by a cash deposit equal to the stated principal amount of the security (the "Deposit"). In the opinion of our counsel, Davis Polk & Wardwell LLP, this treatment of the securities is reasonable under current law; however, our counsel has advised us that it is unable to conclude affirmatively that this treatment is more likely than not to be upheld, and that alternative treatments are possible. Moreover, our counsel's opinion is based on market conditions as of the date of this preliminary pricing supplement and is subject to confirmation on the pricing date. Under this treatment:

&nbsp;&nbsp;&nbsp;&nbsp;· a portion of each coupon payment made with respect to the securities will be attributable to interest on the Deposit; and

&nbsp;&nbsp;&nbsp;&nbsp;· the remainder will represent premium attributable to your grant of the Put Option ("Put Premium").

We will specify in the final pricing supplement the portion of each coupon payment that we will allocate to interest on the Deposit and to Put Premium, respectively.

Assuming the treatment of a security as a Put Option and a Deposit is respected, amounts treated as interest on the Deposit should be taxed as ordinary interest income, while the Put Premium should not be taken into account prior to maturity or disposition of the securities. See "United States Federal Tax Considerations—Tax Consequences to U.S. Holders" in the accompanying product supplement.

We do not plan to request a ruling from the IRS regarding the treatment of the securities. An alternative characterization of the securities could materially and adversely affect the tax consequences of ownership and disposition of the securities, including the timing and character of income recognized. In addition, the U.S. Treasury Department and the IRS requested comments on various issues regarding the U.S. federal income tax treatment of "prepaid forward contracts" and similar financial instruments and have indicated that such transactions may be the subject of future regulations or other guidance. Furthermore, members of Congress have proposed legislative changes to the tax treatment of derivative contracts. Any legislation, Treasury regulations or other guidance promulgated after consideration of these issues could materially and adversely affect the tax consequences of an investment in the securities, possibly with retroactive effect. You should consult your tax adviser regarding possible alternative tax treatments of the securities and potential changes in applicable law.

**Non-U.S. Holders.** Subject to the discussions below and in the section of the accompanying product supplement entitled "United States Federal Tax Considerations," if you are a Non-U.S. Holder (as defined in the accompanying product supplement) of the securities, under current law you generally should not be subject to U.S. federal withholding or income tax in respect of any amount paid to you with respect to the securities, provided that (i) income in respect of the securities is not effectively connected with your conduct of a trade or business in the United States, and (ii) you comply with the applicable certification requirements.

As discussed under "United States Federal Tax Considerations – Tax Consequences to Non-U.S. Holders – Dividend Equivalents under Section 871(m) of the Code" in the accompanying product supplement, Section 871(m) of the Internal Revenue Code of 1986, as amended, and Treasury regulations promulgated thereunder ("Section 871(m)") generally impose a 30% withholding tax on dividend equivalents paid or deemed paid to Non-U.S. Holders with respect to certain financial instruments linked to U.S. equities ("Underlying Securities") or indices that include Underlying Securities. Section 871(m) generally applies to instruments that substantially replicate the economic performance of one or more Underlying Securities, as determined based on tests set forth in the applicable Treasury regulations. However, the regulations, as modified by an IRS notice, exempt financial instruments issued prior to January 1, 2027 that do not have a "delta" of one. Based on the terms of the securities and representations provided by us as of the date of this preliminary pricing supplement, our counsel is of the opinion that the securities should not be treated as transactions that have a "delta" of one within the meaning of the regulations with respect to any Underlying Security and, therefore, should not be subject to withholding tax under Section 871(m). However, the final determination regarding the treatment of the securities under Section 871(m) will be made as of the pricing date for the securities, and it is possible that the securities will be subject to withholding tax under Section 871(m) based on the circumstances as of that date.

A determination that the securities are not subject to Section 871(m) is not binding on the IRS, and the IRS may disagree with this treatment. Moreover, Section 871(m) is complex and its application may depend on your particular circumstances, including your other transactions. You should consult your tax adviser regarding the potential application of Section 871(m) to the securities.

**While we currently do not intend to withhold on payments on the securities to Non-U.S. Holders (subject to compliance with the applicable certification requirements and the discussion in the accompanying product supplement regarding "FATCA"), in light of the uncertain treatment of the securities other persons having withholding or information reporting responsibility in respect of the securities may treat some or all of each coupon payment on a security as subject to withholding tax at a rate of 30%. Moreover, it is possible that in the future we may determine that we should withhold at a rate of 30% on coupon payments on the securities. We will not be required to pay any additional amounts with respect to amounts withheld.**

**You should read the section entitled "United States Federal Tax Considerations" in the accompanying product supplement. The preceding discussion, when read in combination with that section, constitutes the full opinion of Davis Polk & Wardwell LLP regarding the material U.S. federal tax consequences of owning and disposing of the securities.**

**You should also consult your tax adviser regarding all aspects of the U.S. federal income and estate tax consequences of an investment in the securities and any tax consequences arising under the laws of any state, local or non-U.S. taxing jurisdiction.**

<u>Citigroup Global Markets Holdings Inc.</u> <br>

Supplemental Plan of Distribution

CGMI, an affiliate of Citigroup Global Markets Holdings Inc. and the underwriter of the sale of the securities, is acting as principal and will receive an underwriting fee of $15.00 for each security sold in this offering. From this underwriting fee, CGMI will pay selected dealers not affiliated with CGMI a fixed selling concession of $15.00 for each security they sell. For the avoidance of doubt, any fees or selling concessions described in this pricing supplement will not be rebated if the securities are automatically redeemed prior to maturity.

See "Plan of Distribution; Conflicts of Interest" in the accompanying product supplement and "Plan of Distribution" in each of the accompanying prospectus supplement and prospectus for additional information.

Valuation of the Securities

CGMI calculated the estimated value of the securities set forth on the cover page of this pricing supplement based on proprietary pricing models. CGMI's proprietary pricing models generated an estimated value for the securities by estimating the value of a hypothetical package of financial instruments that would replicate the payout on the securities, which consists of a fixed-income bond (the "bond component") and one or more derivative instruments underlying the economic terms of the securities (the "derivative component"). CGMI calculated the estimated value of the bond component using a discount rate based on our internal funding rate. CGMI calculated the estimated value of the derivative component based on a proprietary derivative-pricing model, which generated a theoretical price for the instruments that constitute the derivative component based on various inputs, including the factors described under "Summary Risk Factors—The value of the securities prior to maturity will fluctuate based on many unpredictable factors" in this pricing supplement, but not including our or Citigroup Inc.'s creditworthiness. These inputs may be market-observable or may be based on assumptions made by CGMI in its discretionary judgment.

The estimated value of the securities is a function of the terms of the securities and the inputs to CGMI's proprietary pricing models. As of the date of this preliminary pricing supplement, it is uncertain what the estimated value of the securities will be on the pricing date because it is uncertain what the values of the inputs to CGMI's proprietary pricing models will be on the pricing date.

For a period of approximately three months following issuance of the securities, the price, if any, at which CGMI would be willing to buy the securities from investors, and the value that will be indicated for the securities on any brokerage account statements prepared by CGMI or its affiliates (which value CGMI may also publish through one or more financial information vendors), will reflect a temporary upward adjustment from the price or value that would otherwise be determined. This temporary upward adjustment represents a portion of the hedging profit expected to be realized by CGMI or its affiliates over the term of the securities. The amount of this temporary upward adjustment will decline to zero on a straight-line basis over the three-month temporary adjustment period. However, CGMI is not obligated to buy the securities from investors at any time. See "Summary Risk Factors—The securities will not be listed on any securities exchange and you may not be able to sell them prior to maturity."

Contact

Clients may contact their local brokerage representative. Third-party distributors may contact Citi Structured Investment Sales at (212) 723-7005.© 2026 Citigroup Global Markets Inc. All rights reserved. Citi and Citi and Arc Design are trademarks and service marks of Citigroup Inc. or its affiliates and are used and registered throughout the world.