PHARMACYCLICS INC

CUSIP: 716933106 Class: COM

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q1 2015
Shares 2,284,039 Value ($000) $584,600 Avg Close — Range —
Q4 2014
Shares 2,310,539 Value ($000) $282,486 Avg Close — Range —
Q3 2014
Shares 2,311,039 Value ($000) $271,385 Avg Close — Range —
Q2 2014
Shares 2,313,039 Value ($000) $207,503 Avg Close — Range —
Q1 2014
Shares 2,380,739 Value ($000) $238,598 Avg Close — Range —
Q4 2013
Shares 2,380,739 Value ($000) $251,835 Avg Close — Range —
Q3 2013
Shares 2,381,239 Value ($000) $329,230 Avg Close — Range —
Q2 2013
Shares 2,440,239 Value ($000) $193,926 Avg Close — Range —