Business: Citigroup Funding Inc., 10% ELKS (Equity LinKed Securities) based on the common stock of Best Buy Co. Inc. (NYSE: BBY), due 1/8/2008, and issued at $10 per ELKS. The ELKS pay a total of $1.0500 in cash composed of $0.5393 in interest and $0.5107 in option premium, which is payable on 7/8/2007 and 1/8/2008 to holders of record at the close of business on the third business day prior to the payment date. At maturity the holder will receive either 0.19845 common shares of Best Buy if the price of Best Buy's shares at any time during the term of the ELKS is less than or equal to $37.79 (75% of the initial share price of $50.39 on 12/15/2006) or $10 in cash. The ELKS are not principal protected and at maturity the holder could receive common shares whose value is less, and possibly significantly less, than the original investment in the ELKS. See page PS-3 of the IPO prospectus for further information on the maturity payment and page PS-14 for hypothetical examples of the maturity payment. For further information on the ELKS, see the IPO prospectus by clicking on the ‘Link to IPO Prospectus’ provided below. The ELKS are senior unsecured debt securities issued by Citigroup Funding Inc., guaranteed by Citigroup Inc. and will rank equally with all of their other unsecured and unsubordinated debt. Citigroup Funding Inc. is a wholly-owned subsidiary of Citigroup Inc. (NYSE: C) whose business activities consist of providing funds to Citigroup Inc. and its subsidiaries for general corporate purposes.