Contingent Income Callable Securities Due January , 2025 Based on the Performance of the S&P 500^® Index
Principal at Risk Securities

This document provides a summary of the terms of the securities. Investors must carefully review the accompanying preliminary pricing supplement referenced below, product supplement, underlying supplement, prospectus supplement and prospectus, and the “Risk Considerations” on the following page, prior to making an investment decision.

Summary Terms
Issuer:	Citigroup Global Markets Holdings Inc.
Guarantor:	Citigroup Inc.
Underlying index:	S&P 500^® Index (ticker symbol: “SPX ”)
Stated principal amount:	$1,000 per security
Pricing date:	January 6, 2023
Issue date:	January 11, 2023
Valuation dates and contingent coupon payment dates:	The valuation dates and contingent coupon payment dates are set forth below:

	Valuation dates*	Contingent coupon payment dates**
	April 6, 2023	April 12, 2023
	July 6, 2023	July 11, 2023
	October 6, 2023	October 12, 2023
	January 8, 2024	January 11, 2024
	April 8, 2024	April 11, 2024
	July 8, 2024	July 11, 2024
	October 7, 2024	October 10, 2024
	January 6, 2025 (the “final valuation date”)	January 9, 2025 (the “maturity date”)

	* Each valuation date is subject to postponement if such date is not a scheduled trading day or certain market disruption events occur, as described in the accompanying product supplement. ** If the valuation date immediately preceding any contingent coupon payment date (other than the final valuation date) is postponed, that contingent coupon payment date will also be postponed so that it falls on the third business day after such valuation date, as postponed.
Redemption:	We may call the securities, in whole and not in part, for mandatory redemption on any potential redemption date upon not less than three business days’ notice. Following an exercise of our call right, you will receive for each security you then hold an amount in cash equal to the early redemption payment. If the securities are redeemed, no further payments will be made.
Potential redemption dates:	The contingent coupon payment dates beginning in April 2023 and ending in October 2024
Early redemption payment:	The stated principal amount of$ 1,000 per security plus the related contingent coupon payment, if any
Maturity date:	Unless earlier redeemed, January 9, 2025
Contingent coupon:	On each quarterly contingent coupon payment date, unless previously redeemed by us, the securities will pay a contingent coupon equal to 2.25% of the stated principal amount of the securities (approximately 9.00% per annum) if and only if the closing level of the underlying index on the related valuation date is greater than or equal to the coupon barrier level. If the closing level of the underlying index on any quarterly valuation date is less than the coupon barrier level, you will not receive any contingent coupon payment on the related contingent coupon payment date.

Payment at maturity¹:	Unless earlier redeemed by us, for each $1,000 stated principal amount security you hold at maturity, you will receive cash in an amount determined as follows (in addition to the final contingent coupon payment, if any): · If the final index level is greater than or equal to the downside threshold level: $1,000 · If the final index level is less than the downside threshold level: $1,000 + ($1,000 x the index return) If the final index level is less than the downside threshold level, you will receive less, and possibly significantly less, than 70.00% of the stated principal amount of your securities at maturity.
Initial index level:	The closing level of the underlying index on the pricing date
Final index level:	The closing level of the underlying index on the final valuation date
Coupon barrier level:	70.00% of the initial index level
Downside threshold level:	70.00% of the initial index level
Index return:	(i) The final index level minus the initial index level, divided by (ii) the initial index level
CUSIP/ISIN:	17331C4H7 / US17331C4H79
Preliminary pricing supplement:	https://www.sec.gov/Archives/edgar/data/200245/000095010322021589/dp186257_424b2-us2312807.htm

Hypothetical Payout at Maturity¹ (if the securities have not previously been redeemed)
Change in Underlying	Payment at Maturity (excluding any coupon payable at maturity)
+40%	$1,000.00
+30%	$1,000.00
+20%	$1,000.00
+10%	$1,000.00
0%	$1,000.00
-10%	$1,000.00
-30%	$1,000.00
-31%	$690.00
-50%	$500.00
-60%	$400.00
-90%	$100.00
-100%	$0
¹All payments are subject to our credit risk

On the date of the accompanying preliminary pricing supplement, Citigroup Global Markets Holdings Inc. expects that the estimated value of the securities on the pricing date will be at least $921.50 per security, which will be less than the public offering price. The estimated value of the securities is based on Citigroup Global Markets Inc.’s (“CGMI”) proprietary pricing models and Citigroup Global Markets Holdings Inc.’s internal funding rate. It is not an indication of actual profit to CGMI or other of Citigroup Global Markets Holdings Inc.’s 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 the accompanying preliminary pricing supplement.

Citigroup Global Markets Holdings Inc. and Citigroup Inc. have filed registration statements (including the accompanying preliminary pricing supplement, product supplement, underlying supplement, prospectus supplement and prospectus) with the Securities and Exchange Commission (“SEC”) for the offering to which this communication relates. Before you invest, you should read the accompanying preliminary pricing supplement, product supplement, underlying supplement, prospectus supplement and prospectus in those registration statements (File Nos. 333-255302 and 333-255302-03) and the other documents Citigroup Global Markets Holdings Inc. and Citigroup Inc. have filed with the SEC for more complete information about Citigroup Global Markets Holdings Inc., Citigroup Inc. and this offering. You may obtain these documents without cost by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, you can request these documents by calling toll-free 1-800-831-9146.

For more information about the underlying index, including historical performance information, see the accompanying preliminary pricing supplement.

The risks set forth below are discussed in more detail in the “Summary Risk Factors” section in the accompanying preliminary pricing supplement. Please review those risk factors carefully prior to making an investment decision.

You should review carefully the discussion in the accompanying preliminary pricing supplement under the heading “United States Federal Tax Considerations” concerning the U.S. federal tax consequences of an investment in the securities, and you should consult your tax adviser.