A registration statement relating to the offered securities has been declared effective by the Securities and Exchange Commission. The offering is being made only by means of a prospectus supplement and an accompanying prospectus. Copies of the prospectus and the prospectus supplement relating to the offering, when available, may be obtained by contacting Citigroup, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 (Tel: 800-831-9146).