Stull, Stull & Brody Announces Class Action
on Behalf of Shareholders of Citigroup Inc.

NEW YORK, November 8, 2007 — Attorney Advertising. Notice is hereby given that a class action has been commenced in the United States District Court for the Southern District of New York on behalf of purchasers of Citigroup Inc. (“Citigroup” or the “Company”) (NYSE: C) common stock between April 17, 2006 and November 2, 2007 (the “Class Period”).

Stull, Stull & Brody has substantial experience representing employees who suffered losses from purchases of their employer’s stock in their 401(k) plans. If you bought Citigroup stock through your Citigroup retirement account and have information or would like to learn more about these claims, please contact us.

The complaint charges Citigroup and certain of its officers and directors with violations of the Securities Exchange Act of 1934. Citigroup is a diversified global financial services holding company whose business provide a range of financial services to consumer and corporate customers.

The complaint alleges that during the Class Period, defendants issued materially false and misleading statements regarding the Company’s business and financial results. The complaint specifically alleges that: (i) Defendants’ portfolio of CDOs contained billions of dollars worth of impaired and risky securities, many of which were backed by subprime mortgage loans; (ii) Defendants failed to properly account for highly leveraged loans such as mortgage securities; and (iii) Defendants had failed to record impairment of debt securities which they knew or disregarded were impaired, causing the Company’s results to be false and misleading.

On November 4, 2007, Citigroup announced significant declines in the fair value of $55 billion in the U.S. subprime debt exposure – a revenue decline related to these declines of $8 to $11 billion. Later that day, Citigroup announced the resignation of its then-current Chief Executive Officer (“CEO”) and Chairman of the Board of Directors of Citigroup. On this news, Citigroup’s stock collapsed to open at $36.00 per share on November 5, 2007, a decline of 5%, from November 2, 2007, and a decline of 25% from October 12, 2007.

Plaintiff seeks to recover damages on behalf of all those who purchased or otherwise acquired Citigroup common stock during the Class Period, which is between April 17, 2006 and November 2, 2007. If you purchased or otherwise acquired Citigroup common stock during the Class Period, and either lost money on the transaction or still hold the securities, you may wish to join in the action to serve as lead plaintiff. If you purchased Citigroup common stock during the Class Period, you may request that the Court appoint you as lead plaintiff no later than 60 days from November 8, 2007.

A lead plaintiff is a representative party that acts on behalf of other class members in directing the litigation. In order to be appointed lead plaintiff, the Court must determine that the class member’s claim is typical of the claims of other class members, and that the class member will adequately represent the class. Under certain circumstances, one or more class members may together serve as “lead plaintiff.” Your ability to share in any recovery is not, however, affected by the decision whether or not to serve as a lead plaintiff. You may retain Stull, Stull & Brody, or other counsel of your choice, to serve as your counsel in this action. Stull, Stull & Brody has litigated many class actions for violations of securities laws in federal courts over the past 30 years and has obtained court approval of substantial settlements on numerous occasions. Stull, Stull & Brody maintains offices in New York and Los Angeles.

If you wish to discuss this action or have any questions concerning this notice or your rights or interests with respect to these matters, please contact Tzivia Brody, Esq. at Stull, Stull & Brody by e-mail at SSBNY@aol.com, by calling toll-free 1-800-337-4983, or by fax at 212/490-2022, or by writing to Stull, Stull & Brody, 6 East 45th Street, New York, NY 10017. You can also visit our website at www.ssbny.com.

Attorney Advertising. Prior Results Do Not Guarantee A Similar Outcome.

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