MEDIVATION INC

CUSIP: 58501N101 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q1 2016
Shares 730,823 Value ($000) $33,603 Avg Close — Range —
Q4 2015
Shares 1,403,498 Value ($000) $67,845 Avg Close — Range —
Q3 2015
Shares 1,075,846 Value ($000) $45,723 Avg Close — Range —
Q2 2015
Shares 431,803 Value ($000) $49,312 Avg Close — Range —
Q1 2015
Shares 461,203 Value ($000) $59,527 Avg Close — Range —
Q4 2014
Shares 421,750 Value ($000) $42,011 Avg Close — Range —
Q3 2014
Shares 458,390 Value ($000) $45,321 Avg Close — Range —
Q2 2014
Shares 474,935 Value ($000) $36,608 Avg Close — Range —
Q3 2013
Shares 42,140 Value ($000) $2,526 Avg Close — Range —
Q2 2013
Shares 998,800 Value ($000) $49,141 Avg Close — Range —