X0206 3 2015-06-29 1 0001559053 Prothena Corp plc PRTA 0001646451 Harfstrand Karl Anders Olof C/O PROTHENA BIOSCIENCES INC 650 GATEWAY BOULEVARD SOUTH SAN FRANCISCO CA 94080 1 0 0 0 /s/ A.W. Homan, as Attorney-in-Fact for Karl Anders O. Harfstrand 2015-06-30