VIROPHARMA INC

CUSIP: 928241108 Class: COMMON STOCK

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2013
Shares 400,545 Value ($000) $19,967 Avg Close — Range —
Q3 2013
Shares 376,660 Value ($000) $14,802 Avg Close — Range —
Q2 2013
Shares 363,958 Value ($000) $10,427 Avg Close — Range —