X0303 4 2010-06-17 0001419178 Artio Global Investors Inc. ART 0001472153 Younes Rudolph-Riad C/O ARTIO GLOBAL INVESTORS INC. 330 MADISON AVENUE NEW YORK NY 10017 0 1 1 0 Head of International Equity Class A common stock 2010-06-17 4 D 0 219233 16.4635 D 3535647 D Class A common stock 1560006 I By Younes Family Trust Represents a disposition of Class A common stock by Mr. Rudolph-Riad Younes to the Issuer in connection with the partial exercise by the underwriters of the over-allotment option on June 17, 2010, with respect to the Issuer's public offering of shares of Class A common stock that closed on June 9, 2010. Held by the Younes Family Trust, a grantor retained annuity trust for which Mr. Younes serves as settlor and trustee. /s/ Adam Spilka, as Agent for Rudolph-Riad Younes 2010-06-21