MEDIVATION INC

CUSIP: 58501N101 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2015
Shares 617,040 Value ($000) $26,224 Avg Close — Range —
Q2 2015
Shares 176,630 Value ($000) $20,171 Avg Close — Range —
Q1 2015
Shares 212,220 Value ($000) $27,391 Avg Close — Range —
Q4 2014
Shares 280,875 Value ($000) $27,978 Avg Close — Range —
Q3 2013
Shares 4,400 Value ($000) $435 Avg Close — Range —