Prospectus Filed Pursuant to Rule 424(b)(2) (424b2)

Citigroup Global Markets Holdings Inc.

February 23, 2021

Medium-Term Senior Notes, Series N

Pricing Supplement No. 2021-USNCH6848

Filed Pursuant to Rule 424(b)(2)

Registration Statement Nos. 333-224495 and 333-224495-03

Autocallable Equity Linked Securities Linked to the Worst Performing of CVS Health Corporation, Johnson & Johnson and UnitedHealth Group Incorporated Due March 2, 2023

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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 addition, the securities offer the opportunity to participate in a limited portion of any appreciation of the worst performing of the underlyings specified below upon automatic early redemption or at maturity. In exchange for these features, 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, and (ii) the securities may be automatically called for redemption prior to maturity beginning on the first valuation date specified below. Each of these risks will depend solely on the performance of the worst performing of the underlyings specified below.

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You will be subject to risks associated with each of the underlyings and will be negatively affected by adverse movements in any one of the underlyings. Although you will have downside exposure to the worst performing underlying on the final valuation date, you will not receive dividends with respect to any underlying and the securities only offer a limited degree of participation in any appreciation of the worst performing underlying upon automatic early redemption or at maturity.

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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
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.

Underlyings:	Underlying	Initial underlying value^*	Final buffer value^**	Equity ratio^***
	CVS Health Corporation	$70.48	$56.384	17.73553
	Johnson & Johnson	$161.87	$129.496	7.72225
	UnitedHealth Group Incorporated	$327.64	$262.112	3.81516

	^For each underlying, its closing value on the strike date ^For each underlying, 80.00% of its initial underlying value ^*For each underlying, the stated principal amount divided by* its final buffer value
Stated principal amount:	$1,000 per security
Strike date:	February 22, 2021
Pricing date:	February 23, 2021
Issue date:	March 2, 2021
Valuation dates:	May 24, 2021, August 23, 2021, November 23, 2021, February 23, 2022, May 23, 2022, August 23, 2022 and November 23, 2022 and February 23, 2023 (the “final valuation date”), each subject to postponement if such date is not a scheduled trading day or certain market disruption events occur
Maturity date:	Unless earlier redeemed, March 2, 2023
Coupon payments:	On each coupon payment date, unless previously redeemed, the securities will pay a coupon equal to 1.35% of the stated principal amount of the securities (equivalent to a coupon rate of 5.40% per annum)
Coupon payment dates:	June 1, 2021, August 30, 2021, December 1, 2021, March 2, 2022, May 31, 2022, August 30, 2022, December 1, 2022 and the maturity date. If a scheduled valuation date (other than the final valuation 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.
Payment at maturity:	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): § If the final underlying value of the worst performing underlying on the final valuation date is greater than or equal to its initial underlying value: $1,000 + the return amount determined on the final valuation date § If the final underlying value of the worst performing underlying on the final valuation date is less than its initial underlying value but greater than or equal to its final buffer value: $1,000 § If the final underlying value of the worst performing underlying on the final valuation date is less than its final buffer value: a fixed number of underlying shares of the worst performing underlying on the final valuation date equal to its equity ratio (or, if we elect, the cash value of those shares based on its final underlying value) If the securities are not automatically redeemed prior to maturity and the final underlying value of the worst performing underlying on the final valuation date is less than its final buffer value, you will receive underlying shares of the worst performing underlying (or, in our sole discretion, cash) that will be worth less than the stated principal amount of your securities, and possibly nothing, at maturity (other than the final coupon payment).
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:	Issue price⁽¹⁾	Underwriting fee⁽²⁾	Proceeds to issuer
Per security:	$1,000.00	—	$1,000.00
Total:	$1,670,000	—	$1,670,000

(Key Terms continued on next page)

(1) On the date of this pricing supplement, the estimated value of the securities is $959.90 per security, which is 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. CGMI and its affiliates may profit from 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-6.

Neither the Securities and Exchange Commission 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-02-08 dated February 15, 2019

Prospectus Supplement and Prospectus each dated May 14, 2018

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.

Citigroup Global Markets Holdings Inc.

KEY TERMS (continued)
Automatic early redemption:	If, on any valuation date prior to the final valuation date, the closing value of the worst performing underlying on that valuation date is greater than or equal to its initial underlying value, each security you then hold will be automatically called on that valuation date for redemption on the immediately following coupon payment date for an amount in cash equal to $1,000.00 plus the return amount determined on that valuation date plus the related coupon payment. If the securities are automatically called for redemption prior to maturity, you will no longer have the opportunity to receive coupon payments or participate in any further appreciation of the worst performing underlying after that date.
Return amount:	For any valuation date, $1,000 × underlying return of the worst performing underlying on such valuation date × the participation rate
Final underlying value:	For each underlying, its closing value on the final valuation date
Worst performing underlying:	For any date, the underlying with the lowest underlying return determined as of that date
Participation rate:	50%
Underlying return:	For each underlying on any date, (i) its closing value on that date minus its initial underlying value, divided by (ii) its initial underlying value
CUSIP / ISIN:	17328NCF3 / US17328NCF33

PS-2

Citigroup Global Markets Holdings Inc.

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 each 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 each 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 each 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 underlyings are their respective shares of common stock. Please see the accompanying product supplement for more information.

Prospectus. The first sentence of “Description of Debt Securities— Events of Default and Defaults” in the accompanying prospectus shall be amended to read in its entirety as follows:

Events of default under the indenture are:

failure of Citigroup Global Markets Holdings or Citigroup to pay required interest on any debt security of such series for 30 days;

failure of Citigroup Global Markets Holdings or Citigroup to pay principal, other than a scheduled installment payment to a sinking fund, on any debt security of such series for 30 days;

failure of Citigroup Global Markets Holdings or Citigroup to make any required scheduled installment payment to a sinking fund for 30 days on debt securities of such series;

failure of Citigroup Global Markets Holdings to perform for 90 days after notice any other covenant in the indenture applicable to it other than a covenant included in the indenture solely for the benefit of a series of debt securities other than such series; and

certain events of bankruptcy or insolvency of Citigroup Global Markets Holdings, whether voluntary or not (Section 6.01).

PS-3

Citigroup Global Markets Holdings Inc.

Hypothetical Examples

The examples in the first section below illustrate how to determine whether the securities will be automatically called for redemption following a valuation date prior to the final valuation date and the payout at such early redemption. The examples in the second section below illustrate how to determine the payment at maturity on the securities, assuming the securities are not automatically redeemed prior to maturity. 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 values, final buffer values or equity ratios of the underlyings. For the actual initial underlying value, final buffer value and equity ratio of each underlying, 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 of each underlying, and not the hypothetical values indicated below. For ease of analysis, figures below have been rounded.

Underlying	Hypothetical initial underlying value	Hypothetical final buffer value	Hypothetical equity ratio
CVS Health Corporation	$100.00	$80.00 (80.00% of its hypothetical initial underlying value)	12.50000
Johnson & Johnson	$100.00	$80.00 (80.00% of its hypothetical initial underlying value)	12.50000
UnitedHealth Group Incorporated	$100.00	$80.00 (80.00% of its hypothetical initial underlying value)	12.50000

Hypothetical Examples of Coupon Payment and Payment upon Automatic Early Redemption Following a Valuation Date prior to the Final Valuation Date

Hypothetical closing value of CVS Health Corporation on the valuation date

Hypothetical closing value of Johnson & Johnson on the valuation date

Hypothetical closing value of UnitedHealth Group Incorporated on the valuation date

Hypothetical payment per $1,000.00 security on related coupon payment date

Example 1: Valuation Date 1

$110
(underlying return =
($110 - $100) / $100 = 10%)

$120
(underlying return =
($120 - $100) / $100 = 20%)

$75
(underlying return =
($75 - $100) / $100 = -25%)

$13.50

(coupon is paid; securities not redeemed)

Example 2: Valuation Date 2

$120
(underlying return =
($120 - $100) / $100 = 20%)

$130
(underlying return =
($130 - $100) / $100 = 30%)

$125
(underlying return =
($125 - $100) / $100 = 25%)

$1,113.50

(coupon is paid; securities redeemed)

Example 1: On the first valuation date, UnitedHealth Group has the lowest underlying return and, therefore, is the worst performing underlying on that valuation date. In this scenario, the closing value of the worst performing underlying on the first valuation date is lower than its initial underlying value. As a result, investors in the securities would receive the coupon payment on the related coupon payment date and the securities would not be automatically redeemed.

Example 2: On the second valuation date, CVS Health Corporation has the lowest underlying return and, therefore, is the worst performing underlying on that valuation date. In this scenario, the closing value of the worst performing underlying on the second valuation date is greater than its initial underlying value. As a result, the securities would be automatically redeemed on the related coupon payment date for an amount in cash equal to $1,000.00 plus the return amount determined on the second valuation date plus the coupon payment.

= $1,000.00 + (return amount) + the coupon payment

= $1,000.00 + ($1,000.00 × 20.00% × 50%) + 13.50

= $1,000.00 + $100.00 + 13.50

= $1,113.50

PS-4

Citigroup Global Markets Holdings Inc.

Hypothetical Examples of the Payment at Maturity on the Securities

	Hypothetical final underlying value of CVS Health Corporation	Hypothetical final underlying value of Johnson & Johnson	Hypothetical final underlying value of UnitedHealth Group Incorporated	Hypothetical payment at maturity per $1,000.00 security (excluding the final coupon payment)
Example 3	$90 (underlying return = ($90 - $100) / $100 = -10%)	$120 (underlying return = ($120 - $100) / $100 = 20%)	$150 (underlying return = ($150 - $100) / $100 = 50%)	$1,000.00
Example 4	$115 (underlying return = ($115 - $100) / $100 = 15%)	$110 (underlying return = ($110 - $100) / $100 = 10%)	$120 (underlying return = ($120 - $100) / $100 = 20%)	$1,050.00
Example 5	$70 (underlying return = ($70 - $100) / $100 = -30%)	$120 (underlying return = ($120 - $100) / $100 = 20%)	$85 (underlying return = ($85 - $100) / $100 = -15%)	A number of underlying shares of the worst performing underlying on the final valuation date (or, in our sole discretion, cash) worth $875.00 based on its final underlying value
Example 6	$90 (underlying return = ($90 - $100) / $100 = -10%)	$85 (underlying return = ($85 - $100) / $100 = -15%)	$30 (underlying return = ($30 - $100) / $100 = -70%)	A number of underlying shares of the worst performing underlying on the final valuation date (or, in our sole discretion, cash) worth $375.00 based on its final underlying value
Example 7	$90 (underlying return = ($90 - $100) / $100 = -10%)	$0 (underlying return = ($0 - $100) / $100 = -100%)	$85 (underlying return = ($85 - $100) / $100 = -15%)	A number of underlying shares of the worst performing underlying on the final valuation date (or, in our sole discretion, cash) worth $0.00 based on its final underlying value

Example 3: On the final valuation date, CVS Health Corporation has the lowest underlying return and, therefore, is the worst performing underlying on the final valuation date. In this scenario, the final underlying value of the worst performing underlying on the final valuation date is greater than its final buffer value but less than its initial underlying value. Accordingly, at maturity, you would receive the stated principal amount of the securities (in addition to the final coupon payment). You would not participate in the appreciation of the better performing underlyings.

Example 4: On the final valuation date, Johnson & Johnson has the lowest underlying return and, therefore, is the worst performing underlying on the final valuation date. In this scenario, the final underlying value of the worst performing underlying on the final valuation date is greater than its initial underlying value. Accordingly, at maturity, you would receive the stated principal amount of the securities plus the return amount determined on the final valuation date (in addition to the final coupon payment).

= $1,000.00 + (return amount)

= $1,000.00 + ($1,000.00 × 10.00% × 50%)

= $1,050.00

In addition, you would receive the final coupon payment of 13.50 for a total payment at maturity of $1,063.50.

In this scenario, although you would participate in the appreciation of the worst performing underlying on the final valuation date, you would do so only with respect to 50% of that appreciation.

Example 5: On the final valuation date, CVS Health Corporation has the lowest underlying return and, therefore, is the worst performing underlying on the final valuation date. In this scenario, the final underlying value of the worst performing underlying on the final valuation date is less than its final buffer value. Accordingly, at maturity, you would receive for each security you then hold a fixed number of underlying shares of the worst performing underlying on the final valuation date equal to its equity ratio (or, at our option, the cash value thereof) plus the final coupon payment.

Because the equity ratio of each underlying is determined by dividing the stated principal amount of the securities by its final buffer value, rather than its initial underlying value, the downside exposure that investors have to the worst performing underlying on the final valuation date is similar to the downside exposure they would have if they had bought the worst performing underlying on the final valuation date at a price equal to its 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 worst performing underlying on the final valuation date at its initial underlying value. However, it is important to note that the benefit of this geared buffer diminishes the greater the depreciation of the worst performing underlying on the final valuation date, as illustrated by a comparison of this example with the next one.

If the final underlying value of the worst performing underlying on the final valuation date is less than its final buffer value, we will have the option to deliver to you on the maturity date either a number of underlying shares of the worst performing underlying on the final valuation date equal to its 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.

PS-5

Citigroup Global Markets Holdings Inc.

Example 6: On the final valuation date, UnitedHealth Group Incorporated has the lowest underlying return and, therefore, is the worst performing underlying on the final valuation date. In this scenario, the final underlying value of the worst performing underlying on the final valuation date is less than its final buffer value. Accordingly, at maturity, you would receive for each security you then hold a fixed number of underlying shares of the worst performing underlying on the final valuation date equal to its 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 worst performing underlying on the final valuation date equal to its equity ratio, based on its final underlying value, would be $375.00. Therefore, the value of the underlying shares of the worst performing underlying on the final valuation date (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 performance of the worst performing underlying on the final valuation date.

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 worst performing underlying on the final valuation date. In the prior example, the worst performing underlying on the final valuation date had depreciated by 30% from its initial underlying value to this final underlying value, and investors in the securities would receive a number of underlying shares of the worst performing underlying on the final valuation date (or, in our sole discretion, cash) worth 12.50% less than the stated principal amount – reflecting an effective buffer of 17.50% (the difference between the decline of the worst performing underlying on the final valuation date and the loss on the securities). In this example, however, the worst performing underlying on the final valuation date had depreciated by 70% from its initial underlying value to its final underlying value, and investors in the securities would receive a number of underlying shares of the worst performing underlying on the final valuation date (or, in our sole discretion, cash) worth 62.50% less than the stated principal amount – reflecting an effective buffer of only 7.50% (the difference between the decline of the worst performing underlying on the final valuation date and the loss on the securities). The greater the depreciation of the worst performing underlying on the final valuation date, the closer your negative return on the securities will be to the depreciation of the worst performing underlying on the final valuation date.

Example 7: On the final valuation date, Johnson & Johnson has the lowest underlying return and, therefore, is the worst performing underlying on the final valuation date. In this scenario, the final underlying value of the worst performing underlying on the final valuation date is less than its final buffer value. In this scenario, because the underlying shares of the worst performing underlying on the final valuation date are worthless, you would lose your entire investment in the securities and only receive the final coupon payment at maturity.

PS-6

Citigroup Global Markets Holdings Inc.

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 each 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.

You may lose a significant portion 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, your payment at maturity will depend on the final underlying value of the worst performing underlying on the final valuation date. If the final underlying value of the worst performing underlying on the final valuation date is less than its final buffer value, you will not receive the stated principal amount of your securities at maturity and, instead, will receive underlying shares of the worst performing underlying on the final valuation date (or, in our sole discretion, cash based on its 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 of the worst performing underlying on the final valuation date is less than its final buffer value, you will have similar downside market risk as a purchaser of the worst performing underlying on the final valuation date at its 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 worst performing underlying on the final valuation date at the initial underlying value of the worst performing underlying on the final valuation date, unless the final underlying value of the worst performing underlying on the final valuation date is zero. However, you will be exposed at an increased rate to the decline in the value of the worst performing underlying on the final valuation date below its final buffer value, with a loss on the securities of more than 1% for each additional 1% the worst performing underlying on the final valuation date declines from its initial underlying value. Therefore, the lower the final underlying value of the worst performing underlying on the final valuation date, the closer your loss of principal will be to the percentage decline of the final underlying value of the worst performing underlying on the final valuation date from its initial underlying value.

We may elect, in our sole discretion, to pay you cash at maturity in lieu of delivering any underlying shares of the worst performing underlying on the final valuation date. If we elect to pay you cash at maturity in lieu of delivering any underlying shares of the worst performing underlying on the final valuation date, 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 final valuation date and the maturity date. Conversely, if we do not exercise our cash election right and instead deliver underlying shares of the worst performing underlying on the final valuation date 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.

The initial underlying values, which were set on the strike date, may be higher than the closing values of the underlyings on the pricing date. If the closing values of the underlyings on the pricing date are less than the initial underlying values that were 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 values set on the pricing date.

The securities are designed for investors who seek exposure to the worst performing underlying but who are willing to forgo full upside participation in any appreciation of the underlyings in exchange for periodic coupon payments and a limited buffer against any depreciation of the worst performing underlying on the final valuation date. You should understand that you will only participate in a portion (equal to the participation rate) of any appreciation of the worst performing underlying on any valuation date. Because the participation rate is less than 100%, you will not fully participate in the potential appreciation of the worst performing underlying upon automatic early redemption or at maturity. The securities will underperform a hypothetical alternative investment that provides 1-to-1 exposure to the appreciation of the worst performing underlying, as measured from its initial underlying value to its value on the applicable valuation date (excluding coupons).

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, and correlation between, the closing values of the underlyings are important factors affecting these risks. Greater expected volatility of, and lower expected correlation between, the closing values of the underlyings 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 of the worst performing underlying on the final valuation date will be less than its final buffer value, such that you will not be repaid the stated principal amount of your securities at maturity.

The securities are subject to heightened risk because they have multiple underlyings. The securities are more risky than similar investments that may be available with only one underlying. With multiple underlyings, there is a greater chance that any one underlying will perform poorly, adversely affecting your return on the securities.

PS-7

Citigroup Global Markets Holdings Inc.

The securities are subject to the risks of each of the underlyings and will be negatively affected if any one underlying performs poorly. You are subject to risks associated with each of the underlyings. If any one underlying performs poorly, you will be negatively affected. The securities are not linked to a basket composed of the underlyings, where the blended performance of the underlyings would be better than the performance of the worst performing underlying alone. Instead, you are subject to the full risks of whichever of the underlyings is the worst performing underlying.

You will not benefit in any way from the performance of any better performing underlying. The return on the securities depends solely on the performance of the worst performing underlying, and you will not benefit in any way from the performance of any better performing underlying.

You will be subject to risks relating to the relationship between the underlyings. It is preferable from your perspective for the underlyings to be correlated with each other, in the sense that their closing values tend to increase or decrease at similar times and by similar magnitudes. By investing in the securities, you assume the risk that the underlyings will not exhibit this relationship. The less correlated the underlyings, the more likely it is that any one of the underlyings will perform poorly over the term of the securities. All that is necessary for the securities to perform poorly is for one of the underlyings to perform poorly. It is impossible to predict what the relationship between the underlyings will be over the term of the securities. The underlyings differ in significant ways and, therefore, may not be correlated with each other.

The securities may be automatically redeemed prior to maturity, limiting your opportunity to receive coupon payments. On any valuation date prior to the final valuation date, the securities will be automatically called for redemption if the closing value of the worst performing underlying on that valuation date is greater than or equal to its initial underlying value. As a result, if the worst performing 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.

The performance of the securities will depend on the closing value of the worst performing underlying solely on the valuation dates, which makes the securities particularly sensitive to volatility of the worst performing underlying. If the securities are not automatically redeemed prior to maturity, the amount you receive at maturity will depend solely on the closing value of the worst performing underlying on the final valuation date. Whether your securities will be automatically redeemed prior to maturity depends solely on the closing value of the worst performing underlying on each valuation date preceding the final valuation date. As a result, the performance of the securities will be sensitive to the volatility of the worst performing underlying. You should understand that each of the underlyings have historically been highly volatile.

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.

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.

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) hedging and other costs incurred by us and our affiliates in connection with the offering of the securities and (ii) 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.

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, and correlation between, the closing values of the underlyings, dividend yields on the underlyings 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.

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

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Citigroup Global Markets Holdings Inc.

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.

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.

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 values of the underlyings, the volatility of, and correlation between, the closing values of the underlyings, dividend yields on the underlyings, 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 values of the underlyings 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.

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.

Our offering of the securities is not a recommendation of any underlying. The fact that we are offering the securities does not mean that we believe that investing in an instrument linked to the underlyings 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 underlyings or in instruments related to the underlyings, and may publish research or express opinions, that in each case are inconsistent with an investment linked to the underlyings. These and other activities of our affiliates may affect the closing values of the underlyings in a way that negatively affects the value of and your return on the securities.

The closing value of an 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 underlyings or in financial instruments related to the underlyings and may adjust such positions during the term of the securities. Our affiliates also take positions in the underlyings or in financial instruments related to the underlyings 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 values of the underlyings 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.

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 underlyings 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.

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 an 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.

Even if an 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 an 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 that 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 an 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

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Citigroup Global Markets Holdings Inc.

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.

The securities will not be adjusted for all events that may have a dilutive effect on or otherwise adversely affect the closing value of an 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 of an underlying would not.

The securities may become linked to an underlying other than an original underlying upon the occurrence of a reorganization event or upon the delisting of the underlying shares of that original underlying. For example, if an underlying enters into a merger agreement that provides for holders of its underlying shares to receive shares of another entity and such shares are marketable securities, the closing value of that underlying following consummation of the merger will be based on the value of such other shares. Additionally, if the underlying shares of an underlying 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.

If the underlying shares of an underlying 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 “Description of the Securities—Certain Additional Terms for Securities Linked to an Underlying Company or an Underlying ETF—Delisting of an Underlying Company” in the accompanying product supplement. This amount may be less, and possibly significantly less, than the stated principal amount of the securities.

The U.S. federal tax consequences of an investment in the securities are unclear. Due to the lack of controlling legal authority, the U.S. federal tax consequences of an investment in the securities are unclear. We do not plan to request a ruling from the Internal Revenue Service (the “IRS”), and the IRS or a court might not agree with the treatment of the securities as prepaid forward contracts with associated coupon payments. If the IRS were successful in asserting an alternative treatment for the securities, the tax consequences of ownership and disposition of the securities might be materially and adversely affected. Moreover, the securities may be assumed by Citigroup Inc., as provided in the accompanying prospectus. The law regarding whether or not such an assumption would be considered a “significant modification” of the securities is not entirely clear and, if the IRS were to treat the assumption as a significant modification, a U.S. investor would generally be required to recognize gain (if any) on the securities and the timing and character of income recognized with respect to the securities after the assumption could be affected significantly.

As described below under “United States Federal Tax Considerations,” the U.S. Treasury Department and the IRS have 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. In addition, 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.

Because of the uncertain treatment of the securities, non-U.S. investors should expect to be subject to withholding tax in respect of coupon payments on the securities at a rate of 30% or a lower treaty rate. In addition, non-U.S. investors should review the discussion in “United States Federal Tax Considerations—Tax Consequences to Non-U.S. Holders—Possible Withholding Under Section 871(m) of the Code” regarding potential withholding tax risks under Section 871(m) of the Internal Revenue Code of 1986, as amended (the “Code”). We will not be required to pay any additional amounts with respect to amounts withheld.

Both U.S. and non-U.S. persons considering an investment in the securities should review carefully the section of this pricing supplement entitled “United States Federal Tax Considerations” and consult their tax advisers regarding the U.S. federal tax consequences of an investment in the securities, as well as any tax consequences arising under the laws of any state, local or non-U.S. taxing jurisdiction.

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Citigroup Global Markets Holdings Inc.

Information About CVS Health Corporation

CVS Health Corporation is an integrated pharmacy health care provider. The company's offerings include pharmacy benefit management services; mail order, retail and specialty pharmacy; disease management programs; and retail clinics. The company operates drugstores throughout the U.S., the District of Columbia, and Puerto Rico. The underlying shares of CVS Health Corporation are registered under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Information provided to or filed with the SEC by CVS Health Corporation pursuant to the Exchange Act can be located by reference to the SEC file number 001-01011 through the SEC’s website at http://www.sec.gov. In addition, information regarding CVS Health Corporation may be obtained from other sources including, but not limited to, press releases, newspaper articles and other publicly disseminated documents. The underlying shares of CVS Health Corporation trade on the New York Stock Exchange under the ticker symbol “CVS.”

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

The securities represent obligations of Citigroup Global Markets Holdings Inc. (guaranteed by Citigroup Inc.) only. CVS Health Corporation 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 CVS Health Corporation on February 23, 2021 was $69.64.

The graph below shows the closing value of CVS Health Corporation for each day such value was available from January 3, 2011 to February 23, 2021. 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.

CVS Health Corporation – Historical Closing Values
January 3, 2011 to February 23, 2021

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Citigroup Global Markets Holdings Inc.

Information About Johnson & Johnson

Johnson & Johnson manufactures health care products and provides related services for the consumer, pharmaceutical, and medical devices and diagnostics markets. The company sells products such as skin and hair care products, acetaminophen products, pharmaceuticals, diagnostic equipment, and surgical equipment in countries located around the world. The underlying shares of Johnson & Johnson are registered under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Information provided to or filed with the SEC by Johnson & Johnson pursuant to the Exchange Act can be located by reference to the SEC file number 001-03215 through the SEC’s website at http://www.sec.gov. In addition, information regarding Johnson & Johnson may be obtained from other sources including, but not limited to, press releases, newspaper articles and other publicly disseminated documents. The underlying shares of Johnson & Johnson trade on the New York Stock Exchange under the ticker symbol “JNJ.”

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

The securities represent obligations of Citigroup Global Markets Holdings Inc. (guaranteed by Citigroup Inc.) only. Johnson & Johnson 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 Johnson & Johnson on February 23, 2021 was $160.44.

The graph below shows the closing value of Johnson & Johnson for each day such value was available from January 3, 2011 to February 23, 2021. 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.

Johnson & Johnson – Historical Closing Values
January 3, 2011 to February 23, 2021

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Citigroup Global Markets Holdings Inc.

Information About UnitedHealth Group Incorporated

UnitedHealth Group Incorporated owns and manages organized health systems in the United States and internationally. The company provides employers products and resources to plan and administer employee benefit programs. UnitedHealth Group Incorporated also serves the health needs of older Americans, provides specialized care services, and provides health care information and research to providers and payers. The underlying shares of UnitedHealth Group Incorporated are registered under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Information provided to or filed with the SEC by UnitedHealth Group Incorporated pursuant to the Exchange Act can be located by reference to the SEC file number 001-10864 through the SEC’s website at http://www.sec.gov. In addition, information regarding UnitedHealth Group Incorporated may be obtained from other sources including, but not limited to, press releases, newspaper articles and other publicly disseminated documents. The underlying shares of UnitedHealth Group Incorporated trade on the New York Stock Exchange under the ticker symbol “UNH.”

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

The securities represent obligations of Citigroup Global Markets Holdings Inc. (guaranteed by Citigroup Inc.) only. UnitedHealth Group Incorporated 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 UnitedHealth Group Incorporated on February 23, 2021 was $329.51.

The graph below shows the closing value of UnitedHealth Group Incorporated for each day such value was available from January 3, 2011 to February 23, 2021. 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.

UnitedHealth Group Incorporated – Historical Closing Values
January 3, 2011 to February 23, 2021

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Citigroup Global Markets Holdings Inc.

United States Federal Tax Considerations

You should note that, other than the discussion under “United States Federal Tax Considerations—Tax Consequences to U.S. Holders—Possible Taxable Event” regarding the possible assumption of the securities by Citigroup Inc., the discussion under the section called “United States Federal Tax Considerations” in the accompanying product supplement generally does not apply to the securities issued under this pricing supplement and is superseded by the following discussion.

The following is a discussion of the material U.S. federal income and certain estate tax consequences of the ownership and disposition of the securities. It applies to you only if you are an initial holder of a security that purchases the security for cash at its stated principal amount and holds the security as a capital asset within the meaning of Section 1221 of the Code.

This discussion does not address all of the tax consequences that may be relevant to you in light of your particular circumstances or if you are a holder subject to special rules, such as:

a financial institution;

a dealer or trader subject to a mark-to-market method of tax accounting with respect to the securities;

a person holding the securities as part of a “straddle” or conversion transaction or one who enters into a “constructive sale” with respect to a security;

a U.S. Holder (as defined below) whose functional currency is not the U.S. dollar;

an entity classified as a partnership for U.S. federal income tax purposes;

a regulated investment company;

a tax-exempt entity, including an “individual retirement account” or “Roth IRA”; or

an investor subject to special tax accounting rules under Section 451(b) of the Code.

If an entity that is classified as a partnership for U.S. federal income tax purposes holds the securities, the U.S. federal income tax treatment of a partner will generally depend on the status of the partner and the activities of the partnership. If you are a partnership holding the securities or a partner in such a partnership, you should consult your tax adviser as to the particular U.S. federal tax consequences of holding and disposing of the securities to you.

Except to the limited extent discussed herein, this discussion does not address the U.S. federal tax consequences of the ownership or disposition of the Underlying Shares that you may receive at maturity. You should consult your tax adviser regarding the potential U.S. federal tax consequences of the ownership and disposition of the Underlying Shares.

This discussion is based on the Code, administrative pronouncements, judicial decisions and final, temporary and proposed Treasury regulations, all as of the date of this pricing supplement, changes to any of which may affect the tax consequences described herein, possibly with retroactive effect. This discussion does not address the effects of any applicable state, local or non-U.S. tax laws, or the potential application of the Medicare contribution tax. You should consult your tax adviser about the application of U.S. federal tax laws to your particular situation (including the possibility of alternative treatments of the securities), as well as any tax consequences arising under the laws of any state, local or non-U.S. jurisdiction.

Tax Treatment of the Securities

Due to the absence of statutory, judicial or administrative authorities that directly address the U.S. federal tax treatment of the securities or similar instruments, 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 the securities for U.S. federal income tax purposes as prepaid forward contracts with associated coupon payments that will be treated as gross income to you at the time received or accrued in accordance with your regular method of tax accounting. In the opinion of our counsel, Davis Polk & Wardwell LLP, which is based on current market conditions, this treatment of the securities is reasonable under current law; however, our counsel has advised us that due to the lack of any controlling legal authority it is unable to conclude affirmatively that this treatment is more likely than not to be upheld, and that alternative treatments are possible.

We do not plan to request a ruling from the IRS, and the IRS or a court might not agree with this treatment. Accordingly, you should consult your tax adviser regarding the U.S. federal tax consequences of an investment in the securities. Unless otherwise stated, the following discussion is based on the treatment of the securities as prepaid forward contracts with associated coupon payments.

Tax Consequences to U.S. Holders

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Citigroup Global Markets Holdings Inc.

This section applies only to U.S. Holders. You are a “U.S. Holder” if for U.S. federal income tax purposes you are a beneficial owner of a security that is:

· a citizen or individual resident of the United States;

· a corporation, or other entity taxable as a corporation, created or organized in or under the laws of the United States, any state thereof or the District of Columbia; or

· an estate or trust the income of which is subject to U.S. federal income taxation regardless of its source.

Coupon Payments. As discussed above, we intend to treat any coupon payments on the securities as taxable as ordinary income to you at the time received or accrued in accordance with your regular method of accounting for U.S. federal income tax purposes.

Sale, Exchange, Redemption or Retirement of the Securities. If a security is sold, exchanged, redeemed or retired for cash, you should recognize gain or loss equal to the difference between the amount realized on the sale, exchange, redemption or retirement and your tax basis in the securities that are sold, exchanged, redeemed or retired. For this purpose, the amount realized does not include any coupon paid at redemption or retirement and may not include sale proceeds attributable to an accrued coupon, which may be treated as a coupon payment. Your tax basis in the securities should equal the amount you paid to acquire them. This gain or loss should be long-term capital gain or loss if you have held the securities for more than one year at the time of the sale, exchange, redemption or retirement, and should be short-term capital gain or loss otherwise. The ordinary income treatment of the coupon payments, in conjunction with the capital loss treatment of any loss recognized upon the sale, exchange, redemption or retirement of the securities, could result in adverse tax consequences to you because the deductibility of capital losses is subject to limitations.

If, upon retirement of the securities, you receive Underlying Shares, you should not recognize gain or loss with respect to the Underlying Shares received, other than any fractional Underlying Share for which you receive cash. Your basis in any Underlying Shares received, including any fractional Underlying Share deemed received, should be equal to your tax basis in the securities.

Possible Taxable Event. In the event of a designation of a successor underlying, it is possible that the securities could be treated, in whole or part, as terminated and reissued for U.S. federal income tax purposes. In such a case, you might be required to recognize gain or loss (subject to the possible application of the wash sale rules) with respect to the securities.

Possible Alternative Tax Treatments of an Investment in the Securities

Alternative U.S. federal income tax treatments of the securities are possible that, if applied, could materially and adversely affect the timing and/or character of income, gain or loss with respect to the securities. It is possible, for example, that the securities could be treated as debt instruments issued by us. Under this treatment, the securities would generally be subject to Treasury regulations relating to the taxation of contingent payment debt instruments. In that event, regardless of your tax accounting method, (i) in each year that you held the securities you would generally be required to accrue income, subject to certain adjustments, based on our comparable yield for similar non-contingent debt, determined as of the time of issuance of the securities, and (ii) any gain on the sale, exchange, redemption or retirement of the securities would be treated as ordinary income. You could also be subject to special reporting requirements if any loss on the securities exceeded certain thresholds. Even if the securities are treated for U.S. federal income tax purposes as prepaid forward contracts rather than debt instruments, the IRS could treat the timing and character of income with respect to coupon payments in a manner different from that described above. It is also possible that the receipt of the Underlying Shares at maturity could be treated as a taxable event.

Other possible U.S. federal income tax treatments of the securities could also affect the timing and character of income or loss with respect to the securities. Moreover, the U.S. Treasury Department and the IRS have 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. In addition, 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.

Tax Consequences to Non-U.S. Holders

This section applies only to Non-U.S. Holders. You are a “Non-U.S. Holder” if for U.S. federal income tax purposes you are a beneficial owner of a security that is:

· an individual who is classified as a nonresident alien;

· a foreign corporation; or

· a foreign trust or estate.

You are not a Non-U.S. Holder for purposes of this discussion if you are (i) an individual who is present in the United States for 183 days or more in the taxable year of disposition or (ii) a former citizen or resident of the United States and certain conditions apply. If you are or may become

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Citigroup Global Markets Holdings Inc.

such a person during the period in which you hold a security, you should consult your tax adviser regarding the U.S. federal tax consequences of an investment in the securities to you.

Because significant aspects of the tax treatment of the securities are uncertain, persons having withholding responsibility in respect of the securities may withhold on any coupon payment paid to you, generally at a rate of 30%. To the extent that we have (or an affiliate of ours has) withholding responsibility in respect of the securities, we intend to so withhold. In order to claim an exemption from, or a reduction in, the 30% withholding, you may need to comply with certification requirements to establish that you are not a U.S. person and are eligible for such an exemption or reduction under an applicable tax treaty or are exempt from withholding because income on the securities is effectively connected with the conduct of a U.S. trade or business (as discussed below under “—Effectively Connected Income”). You should consult your tax adviser regarding the tax treatment of the securities, including the possibility of obtaining a refund of any amounts withheld and the certification requirement described above.

As described above under “—Tax Consequences to U.S. Holders—Possible Alternative Tax Treatments of an Investment in the Securities,” alternative tax treatments could apply to the securities, in which case the tax consequences to you could be materially and adversely affected. In addition, potential legislative or regulatory changes to the tax treatment of the securities could adversely impact your consequences of an investment in the securities.

Possible Withholding Under Section 871(m) of the Code

Section 871(m) of the Code 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 (“U.S. Underlying Equities”) or indices that include U.S. Underlying Equities. Section 871(m) generally applies to instruments that substantially replicate the economic performance of one or more U.S. Underlying Equities, 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, 2023 that do not have a “delta” of one. Based on the terms of the securities and representations provided by us, 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 U.S. Underlying Equity and, therefore, should not be subject to withholding tax under Section 871(m).

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.

We will not be required to pay any additional amounts with respect to amounts withheld.

Effectively Connected Income

If you are engaged in a U.S. trade or business, and if income from the securities is effectively connected with the conduct of that trade or business, you will not be subject to the withholding tax on coupon payments described above under “Tax Consequences to Non-U.S. Holders” or to withholding under Section 871(m), if applicable, if you provide IRS Form W-8ECI (or appropriate successor form) to the applicable withholding agent. However, you generally will be subject to regular U.S. federal income tax with respect to income on the securities in the same manner as if you were a U.S. Holder, unless an applicable income tax treaty provides otherwise. If you are a Non-U.S. Holder to which this paragraph may apply, you should consult your tax adviser regarding other U.S. tax consequences of the ownership and disposition of the securities, including, if you are a corporation, the possible imposition of a 30% (or lower treaty rate) branch profits tax.

U.S. Federal Estate Tax

If you are an individual Non-U.S. Holder, or an entity the property of which is potentially includible in such an individual’s gross estate for U.S. federal estate tax purposes (for example, a trust funded by such an individual and with respect to which the individual has retained certain interests or powers), you should note that, absent an applicable treaty exemption, a security may be treated as U.S.-situs property subject to U.S. federal estate tax. If you are such an individual or entity, you should consult your tax adviser regarding the U.S. federal estate tax consequences of an investment in the securities.

Information Reporting and Backup Withholding

Amounts paid on the securities, and payment of the proceeds of a sale, exchange or other taxable disposition of the securities, may be subject to information reporting and, if you fail to provide certain identifying information (such as an accurate taxpayer identification number if you are a U.S. Holder) or meet certain other conditions, may also be subject to backup withholding at the rate specified in the Code. If you are a Non-U.S. Holder that provides the applicable withholding agent with an appropriate IRS Form W-8, you will generally establish an exemption from backup withholding. Amounts withheld under the backup withholding rules are not additional taxes and may be refunded or credited against your U.S. federal income tax liability, provided the relevant information is timely furnished to the IRS.

FATCA

Legislation commonly referred to as “FATCA” generally imposes a withholding tax of 30% on payments to certain non-U.S. entities (including financial intermediaries) with respect to certain financial instruments, unless various U.S. information reporting and due diligence requirements have been satisfied. An intergovernmental agreement between the United States and the non-U.S. entity’s jurisdiction may modify these requirements. This legislation generally applies to certain financial instruments that are treated as paying U.S.-source interest, dividend

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Citigroup Global Markets Holdings Inc.

equivalents or other U.S.-source “fixed or determinable annual or periodical” income (“FDAP income”). Withholding (if applicable) applies to payments of U.S.-source FDAP income. While existing Treasury regulations would also require withholding on payments of gross proceeds of the disposition (including upon retirement) of certain financial instruments treated as providing for U.S.-source interest or dividends, the U.S. Treasury Department has indicated in subsequent proposed regulations its intent to eliminate this requirement. The U.S. Treasury Department has indicated that taxpayers may rely on these proposed regulations pending their finalization. Although the application of the FATCA rules to the securities is not entirely clear because the U.S. federal income tax treatment of the securities is unclear, it would be prudent to assume that a withholding agent will treat the securities as subject to the withholding rules under FATCA. If withholding applies to the securities, we will not be required to pay any additional amounts with respect to amounts withheld. You should consult your tax adviser regarding the potential application of FATCA to the securities.

The preceding discussion, when read in conjunction with “United States Federal Tax Considerations—Tax Consequences to U.S. Holders—Possible Taxable Event” in the accompanying product supplement, 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 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 foreign taxing jurisdiction.

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 not receive any underwriting fee for any securities sold in this offering.

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.

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.”

Certain Selling Restrictions

Hong Kong Special Administrative Region

The contents of this pricing supplement and the accompanying product supplement, prospectus supplement and prospectus have not been reviewed by any regulatory authority in the Hong Kong Special Administrative Region of the People’s Republic of China (“Hong Kong”). Investors are advised to exercise caution in relation to the offer. If investors are in any doubt about any of the contents of this pricing supplement and the accompanying product supplement, prospectus supplement and prospectus, they should obtain independent professional advice.

The securities have not been offered or sold and will not be offered or sold in Hong Kong by means of any document, other than

(i)

to persons whose ordinary business is to buy or sell shares or debentures (whether as principal or agent); or

(ii)

to “professional investors” as defined in the Securities and Futures Ordinance (Cap. 571) of Hong Kong (the “Securities and Futures Ordinance”) and any rules made under that Ordinance; or

(iii)

in other circumstances which do not result in the document being a “prospectus” as defined in the Companies Ordinance (Cap. 32) of Hong Kong or which do not constitute an offer to the public within the meaning of that Ordinance; and

There is no advertisement, invitation or document relating to the securities which is directed at, or the contents of which are likely to be accessed or read by, the public of Hong Kong (except if permitted to do so under the securities laws of Hong Kong) other than with respect to securities which are or are intended to be disposed of only to persons outside Hong Kong or only to “professional investors” as defined in the Securities and Futures Ordinance and any rules made under that Ordinance.

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Citigroup Global Markets Holdings Inc.

Non-insured Product: These securities are not insured by any governmental agency. These securities are not bank deposits and are not covered by the Hong Kong Deposit Protection Scheme.

Singapore

This pricing supplement and the accompanying product supplement, prospectus supplement and prospectus have not been registered as a prospectus with the Monetary Authority of Singapore, and the securities will be offered pursuant to exemptions under the Securities and Futures Act, Chapter 289 of Singapore (the “Securities and Futures Act”). Accordingly, the securities may not be offered or sold or made the subject of an invitation for subscription or purchase nor may this pricing supplement or any other document or material in connection with the offer or sale or invitation for subscription or purchase of any securities be circulated or distributed, whether directly or indirectly, to any person in Singapore other than (a) to an institutional investor pursuant to Section 274 of the Securities and Futures Act, (b) to a relevant person under Section 275(1) of the Securities and Futures Act or to any person pursuant to Section 275(1A) of the Securities and Futures Act and in accordance with the conditions specified in Section 275 of the Securities and Futures Act, or (c) otherwise pursuant to, and in accordance with the conditions of, any other applicable provision of the Securities and Futures Act. Where the securities are subscribed or purchased under Section 275 of the Securities and Futures Act by a relevant person which is:

(a)

a corporation (which is not an accredited investor (as defined in Section 4A of the Securities and Futures Act)) the sole business of which is to hold investments and the entire share capital of which is owned by one or more individuals, each of whom is an accredited investor; or

(b)

a trust (where the trustee is not an accredited investor) whose sole purpose is to hold investments and each beneficiary is an individual who is an accredited investor, securities (as defined in Section 239(1) of the Securities and Futures Act) of that corporation or the beneficiaries’ rights and interests (howsoever described) in that trust shall not be transferable for 6 months after that corporation or that trust has acquired the relevant securities pursuant to an offer under Section 275 of the Securities and Futures Act except:

(i)

to an institutional investor or to a relevant person defined in Section 275(2) of the Securities and Futures Act or to any person arising from an offer referred to in Section 275(1A) or Section 276(4)(i)(B) of the Securities and Futures Act; or

(ii)

where no consideration is or will be given for the transfer; or

(iii)

where the transfer is by operation of law; or

(iv)

pursuant to Section 276(7) of the Securities and Futures Act; or

(v)

as specified in Regulation 32 of the Securities and Futures (Offers of Investments) (Shares and Debentures) Regulations 2005 of Singapore.

Any securities referred to herein may not be registered with any regulator, regulatory body or similar organization or institution in any jurisdiction.

The securities are Specified Investment Products (as defined in the Notice on Recommendations on Investment Products and Notice on the Sale of Investment Product issued by the Monetary Authority of Singapore on 28 July 2011) that is neither listed nor quoted on a securities market or a futures market.

Non-insured Product: These securities are not insured by any governmental agency. These securities are not bank deposits. These securities are not insured products subject to the provisions of the Deposit Insurance and Policy Owners’ Protection Schemes Act 2011 of Singapore and are not eligible for deposit insurance coverage under the Deposit Insurance Scheme.

Validity of the Securities

In the opinion of Davis Polk & Wardwell LLP, as special products counsel to Citigroup Global Markets Holdings Inc., when the securities offered by this pricing supplement have been executed and issued by Citigroup Global Markets Holdings Inc. and authenticated by the trustee pursuant to the indenture, and delivered against payment therefor, such securities and the related guarantee of Citigroup Inc. will be valid and binding obligations of Citigroup Global Markets Holdings Inc. and Citigroup Inc., respectively, enforceable in accordance with their respective terms, subject to applicable bankruptcy, insolvency and similar laws affecting creditors’ rights generally, concepts of reasonableness and equitable principles of general applicability (including, without limitation, concepts of good faith, fair dealing and the lack of bad faith), provided that such counsel expresses no opinion as to the effect of fraudulent conveyance, fraudulent transfer or similar provision of applicable law on the conclusions expressed above. This opinion is given as of the date of this pricing supplement and is limited to the laws of the State of New York, except that such counsel expresses no opinion as to the application of state securities or Blue Sky laws to the securities.

In giving this opinion, Davis Polk & Wardwell LLP has assumed the legal conclusions expressed in the opinions set forth below of Scott L. Flood, General Counsel and Secretary of Citigroup Global Markets Holdings Inc., and Barbara Politi, Assistant General Counsel—Capital Markets of Citigroup Inc. In addition, this opinion is subject to the assumptions set forth in the letter of Davis Polk & Wardwell LLP dated May 17, 2018, which has been filed as an exhibit to a Current Report on Form 8-K filed by Citigroup Inc. on May 17, 2018, that the indenture has been duly authorized, executed and delivered by, and is a valid, binding and enforceable agreement of, the trustee and that none of the terms of the securities nor the issuance and delivery of the securities and the related guarantee, nor the compliance by Citigroup Global Markets Holdings Inc. and Citigroup Inc. with the terms of the securities and the related guarantee respectively, will result in a violation of any provision of any instrument or agreement then binding upon Citigroup Global Markets Holdings Inc. or Citigroup Inc., as applicable, or any restriction imposed by any court or governmental body having jurisdiction over Citigroup Global Markets Holdings Inc. or Citigroup Inc., as applicable.

In the opinion of Scott L. Flood, Secretary and General Counsel of Citigroup Global Markets Holdings Inc., (i) the terms of the securities offered by this pricing supplement have been duly established under the indenture and the Board of Directors (or a duly authorized committee thereof) of

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Citigroup Global Markets Holdings Inc. has duly authorized the issuance and sale of such securities and such authorization has not been modified or rescinded; (ii) Citigroup Global Markets Holdings Inc. is validly existing and in good standing under the laws of the State of New York; (iii) the indenture has been duly authorized, executed and delivered by Citigroup Global Markets Holdings Inc.; and (iv) the execution and delivery of such indenture and of the securities offered by this pricing supplement by Citigroup Global Markets Holdings Inc., and the performance by Citigroup Global Markets Holdings Inc. of its obligations thereunder, are within its corporate powers and do not contravene its certificate of incorporation or bylaws or other constitutive documents. This opinion is given as of the date of this pricing supplement and is limited to the laws of the State of New York.

Scott L. Flood, or other internal attorneys with whom he has consulted, has examined and is familiar with originals, or copies certified or otherwise identified to his satisfaction, of such corporate records of Citigroup Global Markets Holdings Inc., certificates or documents as he has deemed appropriate as a basis for the opinions expressed above. In such examination, he or such persons has assumed the legal capacity of all natural persons, the genuineness of all signatures (other than those of officers of Citigroup Global Markets Holdings Inc.), the authenticity of all documents submitted to him or such persons as originals, the conformity to original documents of all documents submitted to him or such persons as certified or photostatic copies and the authenticity of the originals of such copies.

In the opinion of Barbara Politi, Assistant General Counsel—Capital Markets of Citigroup Inc., (i) the Board of Directors (or a duly authorized committee thereof) of Citigroup Inc. has duly authorized the guarantee of such securities by Citigroup Inc. and such authorization has not been modified or rescinded; (ii) Citigroup Inc. is validly existing and in good standing under the laws of the State of Delaware; (iii) the indenture has been duly authorized, executed and delivered by Citigroup Inc.; and (iv) the execution and delivery of such indenture, and the performance by Citigroup Inc. of its obligations thereunder, are within its corporate powers and do not contravene its certificate of incorporation or bylaws or other constitutive documents. This opinion is given as of the date of this pricing supplement and is limited to the General Corporation Law of the State of Delaware.

Barbara Politi, or other internal attorneys with whom she has consulted, has examined and is familiar with originals, or copies certified or otherwise identified to her satisfaction, of such corporate records of Citigroup Inc., certificates or documents as she has deemed appropriate as a basis for the opinions expressed above. In such examination, she or such persons has assumed the legal capacity of all natural persons, the genuineness of all signatures (other than those of officers of Citigroup Inc.), the authenticity of all documents submitted to her or such persons as originals, the conformity to original documents of all documents submitted to her or such persons as certified or photostatic copies and the authenticity of the originals of such copies.

Contact

Clients may contact their local brokerage representative. Third-party distributors may contact Citi Structured Investment Sales at (212) 723-7005.

© 2021 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.

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