The shares will begin trading on the New York Stock Exchange on 24 September 2009 under the ticker symbol “ART”. The underwriters have the option to purchase from the Company up to an additional 3,750,000 shares of Class A common stock, on the same terms and conditions. Artio Global Investors Inc. intends to use the net proceeds from the offering to repurchase 22,600,000 shares of Class C common stock from Julius Baer Holding Ltd. – equivalent to 54% of Julius Baer Holding Ltd.’s total stake (or 26,350,000 shares, equivalent to 63% of Julius Baer Holding Ltd.’s total stake, if the underwriters’ option is exercised in full) – and 1,200,000 shares of Class A common stock from each of Richard Pell and Rudolph-Riad Younes. Goldman, Sachs & Co. is acting as sole global coordinator and bookrunner of the offering, BofA Merrill Lynch is acting as co-lead manager and Deutsche Bank Securities, UBS Investment Bank and Keefe, Bruyette & Woods are acting as co-managers of the offering. The offering of these securities is being made only by means of a prospectus, copies of which may be obtained from: Goldman, Sachs & Co., 85 Broad Street, NY, NY 10004, telephone: +1 866 471 2526, fax: +1 212 902 9316 or email: . This press release does not constitute an offer to sell or a solicitation of an offer to buy the securities described above, nor shall there be any sale of such shares of common stock in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. Artio Global Investors Inc. is an asset management company that provides investment management services to institutional clients and, through its mutual funds, to retail clients.