X0206 3 2013-05-09 1 0001491576 TESARO, Inc. TSRO 0001370087 Armitage James O C/O TESARO, INC. 1000 WINTER STREET, SUITE 3300 WALTHAM MA 02451 1 0 0 0 Exhibit List Exhibit 24 - Power of Attorney /s/ Richard J. Rodgers 2013-06-05