Prothena to Present at the 2015 RBC Capital Markets' Healthcare Conference in New York on February 25

DUBLIN, Ireland, Feb. 18, 2015 (GLOBE NEWSWIRE) -- Prothena Corporation plc (Nasdaq:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapy programs, announced today that Gene Kinney, PhD, the Company's Chief Scientific Officer and Head of Research and Development, will be presenting at the 2015 RBC Capital Markets' Healthcare Conference on Wednesday, February 25, 2015, at 9:00 a.m. ET. The conference will be held at The New York Palace Hotel.

A live webcast of the presentation can be accessed through the investor relations section of the Company's website at www.prothena.com. Following the live presentation, a replay of the webcast will be available on the Company's website for 90 days.

About Prothena

Prothena Corporation plc is a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapy programs for the potential treatment of diseases that involve amyloid or cell adhesion. The Company is developing antibody-based product candidates that target a number of potential indications including AL amyloidosis (NEOD001), Parkinson's disease and other related synucleinopathies (PRX002) and psoriasis and other inflammatory diseases (PRX003).

For more information, please visit the Company's web site at www.prothena.com.

CONTACT: Investors:  Tran Nguyen, CFO
         650-837-8535, IR@prothena.com
         Media: Angela Bitting
         925-202-6211, angela.bitting@prothena.com