X0303 4 2010-05-18 0001419178 Artio Global Investors Inc. ART 0001472149 Pell Richard C/O ARTIO GLOBAL INVESTORS INC. 330 MADISON AVENUE NEW YORK NY 10017 1 1 1 0 CEO & Chief Investment Officer Class A common stock 2010-05-18 4 M 0 3000000 A 3000000 D Class B common stock 2010-05-18 4 M 0 3000000 0 A Class A Common Stock 3000000 1680006 D New Class A Units 2010-05-18 4 M 0 3000000 0 A Class A Common Stock 3000000 1680006 D Pursuant to the Exchange Agreement, Mr. Pell exchanged 3,000,000 New Class A Units for 3,000,000 shares of Class A common stock on May 18, 2010. In connection therewith, on May 18, 2010, Mr. Pell delivered to the Issuer 3,000,000 shares of Class B common stock for cancellation. The Issuer entered into an exchange agreement (the "Exchange Agreement") with Mr. Pell on September 29, 2009. Pursuant to the Exchange Agreement, Mr. Pell (and certain of his permitted transferees, including the Pell Family Trust) are permitted to exchange their new class A units (the "New Class A Units") in Artio Global Holdings LLC for shares of the Issuer's Class A common stock on a one-for-one basis (each such exchange, an "Exchange"), subject to customary conversion rate adjustments for stock splits, stock dividends and reclassifications and other similar transactions. The New Class A Units represent membership interests in Artio Global Holdings LLC, a subsidiary of the Issuer. In connection with each Exchange, Mr. Pell must deliver to the Issuer, for cancellation, a number of shares of Class B common stock equal to the number of New Class A Units being Exchanged. Exhibit List Exhibit 24 - Power of Attorney for Richard Pell /s/ Adam Spilka, as agent for Richard Pell pursuant to a Power of Attorney filed herewith as Exhibit 24 2010-05-20