Russell has more than $173 billion in assets under management (as of 3/31/2013) and works with over 2,500 institutional clients, independent distribution partners and individual investors globally. As a consultant to some of the largest pools of capital in the world, Russell has $2.6 trillion in assets under advisement (as of 12/31/2012). It has four decades of experience researching and selecting investment managers and meets annually with more than 2,200 managers around the world. Russell traded more than $1.4 trillion in 2012 through its implementation services business.About Prothena Prothena Corporation plc is a clinical stage biotechnology company focused on the discovery and development of novel antibodies for the potential treatment of a broad range of diseases that involve protein misfolding and cell adhesion, particularly on the discovery and development of potential therapeutic monoclonal antibodies directed specifically to disease-causing proteins. These potential therapies have a broad range of indications, including AL and AA forms of amyloidosis (NEOD001), Parkinson's disease and related synucleinopathies (PRX002) and novel cell adhesion targets involved in inflammatory disease and metastatic cancers (PRX003). For more information, please visit the company's web site at www.prothena.com . Forward-looking Statements This press release contains forward-looking statements within the meaning of the Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements relate to, among other things, our inclusion in the Russell Global Index and any anticipated benefits of increased liquidity and broader exposure to institutional investors from having our ordinary shares be included in the Russell Global Index, the. These forward-looking statements are identified by their use of terms and phrases such as "anticipate," "believe," "could," "should," "estimate," "expect," "intend," "may," "plan," "predict," "project," "potential," "target," "will" and similar terms and phrases, including references to assumptions. These statements are based on assumptions that may not prove accurate. Actual results could differ materially from those anticipated due to known and unknown risks, uncertainties and other factors including, but not limited to the risks and uncertainties described in the "Risk Factors" section of our Annual Report on Form 10-K filed with the SEC on March 29, 2013, the "Risk Factors" section of our Quarterly Reports on Form 10-Q that we file with the SEC from time to time. Prothena undertakes no obligation to update publicly any forward-looking statements contained in this press release as a result of new information, future events or changes in Prothena's expectations.
CONTACT: Investors: Tran Nguyen, CFO 650-837-8535, IR@prothena.com Media: Anita Kawatra 646-256-5116, firstname.lastname@example.org