Citigroup Global Markets Holdings Inc. has announced the offering of Autocallable Barrier Securities linked to the performance of the Nasdaq-100 Index, Russell 2000 Index, and S&P 500 Index, due January 5, 2027. The securities do not pay interest and do not guarantee principal repayment at maturity.The securities offer potential automatic early redemption at a 12.50% premium if the worst-performing underlying index closes at or above its initial value on the valuation date prior to maturity. If not automatically redeemed, the securities provide 200% participation in any appreciation of the worst-performing index at maturity, subject to downside risk if the worst-performing index closes below 70% of its initial value.Investors face significant risks, including potential loss of principal, no interest payments, and exposure to the worst-performing of three major U.S. stock indices. The securities are subject to the credit risk of Citigroup and may have limited liquidity. The estimated value on the pricing date will be less than the issue price due to costs and expected profit for Citigroup and its affiliates.

Citigroup Global Markets Holdings Inc. has announced the offering of Autocallable Barrier Securities linked to the performance of the Nasdaq-100 Index, Russell 2000 Index, and S&P 500 Index, due January 5, 2027. The securities do not pay interest and do not guarantee principal repayment at maturity.The securities offer potential automatic early redemption at a 12.50% premium if the worst-performing underlying index closes at or above its initial value on the valuation date prior to maturity. If not automatically redeemed, the securities provide 200% participation in any appreciation of the worst-performing index at maturity, subject to downside risk if the worst-performing index closes below 70% of its initial value.Investors face significant risks, including potential loss of principal, no interest payments, and exposure to the worst-performing of three major U.S. stock indices. The securities are subject to the credit risk of Citigroup and may have limited liquidity. The estimated value on the pricing date will be less than the issue price due to costs and expected profit for Citigroup and its affiliates.