The Transaction, which is currently expected to close by the end of the second quarter or early in the third quarter of 2013, is subject to customary closing conditions, including, U.S. antitrust approval, approval of a majority of Artio Global shareholders and approval of certain Artio Global mutual fund shareholders.Goldman Sachs & Co. is acting as financial advisor and Davis Polk & Wardwell LLP is acting as legal advisor to the special committee of Artio Global’s Board of Directors. J.P. Morgan Limited is acting as financial advisor and Willkie Farr & Gallagher LLP is acting as legal advisor to Aberdeen. About Artio Global Artio Global Investors Inc. is the indirect holding company of Artio Global Management LLC (“Artio Global Management”), a registered investment adviser that actively invests in global fixed income and equity markets primarily for institutional and intermediary clients. Headquartered in New York City, Artio Global Management offers a select group of investment strategies including High Grade Fixed Income, High Yield, International Equity and Global Equity. 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. About Aberdeen Aberdeen is an asset management company managing $314 billion of third party assets from offices around the world, as of December 31, 2012. Aberdeen’s clients access its investment expertise drawn from three main asset classes: equities, fixed income and property, as well as tailored solutions. Aberdeen packages its skills in the form of segregated and pooled products across borders. Aberdeen invests worldwide and follows a predominantly long-only approach, based on fundamentally sound investments. Further information about Aberdeen can be found at www.aberdeen-asset.com IMPORTANT ADDITIONAL INFORMATION REGARDING THE MERGER WILL BE FILED WITH THE SEC: In connection with the proposed merger, Artio Global will file a proxy statement with the Securities and Exchange Commission (the “SEC”). INVESTORS AND SECURITY HOLDERS ARE ADVISED TO READ THE PROXY STATEMENT WHEN IT BECOMES AVAILABLE BECAUSE IT WILL CONTAIN IMPORTANT INFORMATION. Investors may obtain a free copy of the proxy statement (when available) and any other relevant documents filed with the SEC from the SEC’s website at http://www.sec.gov. In addition, investors will be able to obtain, without charge, a copy of the proxy statement and other relevant documents (when available) at Artio Global’s Website at www.artioglobal.com or by contacting Artio Global’s investor relations department by phone at 212-297-3891 or by e-mail at firstname.lastname@example.org Artio Global and its directors, executive officers and other members of its management and employees may be deemed to be participants in the solicitation of proxies from Artio Global’s shareholders with respect to the merger. Information about Artio Global’s directors and executive officers and their ownership of Artio Global’s common stock is set forth in the proxy statement for Artio Global’s 2012 Annual Meeting of Shareholders, which was filed with the SEC on March 19, 2012, Artio Global’s Annual Report on Form 10-K for the year ended December 31, 2011, which was filed with the SEC on February 29, 2012, and Artio Global’s Current Reports on Form 8-K filed on May 14, 2012, October 30, 2012, December 14, 2012, January 9, 2013 and January 30, 2013. Shareholders and investors may obtain additional information regarding the interests of Artio Global and its directors and executive officers in the merger, which may be different than those of Artio Global’s shareholders generally, by reading the proxy statement and other relevant documents regarding the merger, which will be filed with the SEC.