Payment for Notes tendered prior to the Expiration Date and accepted for purchase will be made on the settlement date, which is anticipated to be September 16, 2013 (such date, unless the Offers are extended, the “ Settlement Date”). Payment for purchased Notes will include accrued and unpaid interest from, and including, the last interest payment date for the Notes up to, but not including the Settlement Date.Subject to applicable law, Citigroup may increase the Maximum Series Tender Cap for one or more series of Notes at any time prior to the Settlement Date. Such increase need not be made equally or on a pro rata basis among the Maximum Series Tender Caps for all series of Notes. The obligation of Citigroup to accept for purchase, and to pay the Tender Offer Consideration or the Total Consideration, as the case may be, for Notes validly tendered pursuant to the Offers is subject to, and conditional upon, the satisfaction or, where applicable, waiver of a number of conditions described in the Offer to Purchase, including the condition that Holders validly tender an aggregate principal amount of each series of Notes equal to the Maximum Series Tender Cap applicable to each such series of Notes (the “ Minimum Tender Condition”). Citigroup reserves the right, in its sole discretion, to waive any one or more of the conditions, including the Minimum Tender Condition, at any time. Citigroup has retained its affiliate Citigroup Global Markets Inc. to serve as the dealer manager for the Offers. Global Bondholder Services Corporation has been retained to serve as the depositary and information agent with respect to the Notes. For additional information regarding the terms of the Offers, please contact Citigroup Global Markets Inc. at either (800) 558-3745 (toll free) or (212) 723-6106. Requests for documents and questions regarding the tender of Notes may be directed to Global Bondholder Services Corporation at (866) 807- 2200 (toll free) or (212) 430-3774 (collect).