News Release

Artio Global Investors Inc.

Artio Global Investors Inc. Announces July Month-End Assets Under Management

New York – (BUSINESS WIRE) – August 10, 2012 – Artio Global Investors Inc. (NYSE: ART) today reported preliminary month-end assets under management of $19.7 billion as of July 31, 2012, compared to $21.2 billion as of June 30, 2012.

About Us

Artio Global Investors Inc. is the indirect holding company of Artio Global Management LLC (“Artio Global”), a registered investment adviser that actively invests in global equity and fixed income markets, primarily for institutional and intermediary clients. Headquartered in New York, Artio Global has offices in Los Angeles, Toronto, London and Sydney.

Artio Global offers a select group of equity and fixed income strategies, including International Equity, Global Equity, High Grade Fixed Income, High Yield and Local Emerging Markets Debt. Access to these strategies is offered through a variety of investment vehicles, including separate accounts, commingled funds and mutual funds.

For more information, please visit www.artioglobal.com.