TESARO INC

CUSIP: 881569107 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018
Shares 614,766 Value ($000) $45,646 Avg Close — Range —
Q3 2018
Shares 2,704,466 Value ($000) $105,501 Avg Close — Range —
Q2 2018
Shares 3,083,347 Value ($000) $137,116 Avg Close — Range —
Q1 2018
Shares 2,994,597 Value ($000) $171,111 Avg Close — Range —
Q4 2017
Shares 3,622,348 Value ($000) $300,184 Avg Close — Range —
Q3 2017
Shares 4,417,654 Value ($000) $570,319 Avg Close — Range —
Q2 2017
Shares 4,814,735 Value ($000) $673,389 Avg Close — Range —
Q1 2017
Shares 6,385,184 Value ($000) $982,488 Avg Close — Range —
Q4 2016
Shares 7,119,254 Value ($000) $957,397 Avg Close — Range —
Q3 2016
Shares 5,584,279 Value ($000) $559,768 Avg Close — Range —
Q2 2016
Shares 4,807,570 Value ($000) $404,076 Avg Close — Range —
Q1 2016
Shares 4,384,104 Value ($000) $193,032 Avg Close — Range —
Q4 2015
Shares 3,739,678 Value ($000) $195,660 Avg Close — Range —
Q3 2015
Shares 3,514,838 Value ($000) $140,945 Avg Close — Range —
Q2 2015
Shares 3,606,542 Value ($000) $212,029 Avg Close — Range —
Q1 2015
Shares 3,538,524 Value ($000) $203,111 Avg Close — Range —
Q4 2014
Shares 2,530,539 Value ($000) $94,111 Avg Close — Range —
Q3 2014
Shares 2,446,139 Value ($000) $65,850 Avg Close — Range —
Q2 2014
Shares 2,474,339 Value ($000) $76,977 Avg Close — Range —
Q1 2014
Shares 1,772,153 Value ($000) $52,243 Avg Close — Range —
Q4 2013
Shares 1,799,953 Value ($000) $50,831 Avg Close — Range —
Q3 2013
Shares 1,685,153 Value ($000) $65,283 Avg Close — Range —
Q2 2013
Shares 1,675,411 Value ($000) $54,853 Avg Close — Range —