VIROPHARMA INC

CUSIP: 928241108 Class: COMMON STOCK

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q4 2013
Shares 204,000 Value ($000) $10,159 Avg Close — Range —
Q3 2013
Shares 206,864 Value ($000) $8,130 Avg Close — Range —
Q2 2013
Shares 185,564 Value ($000) $5,316 Avg Close — Range —