VIROPHARMA INC

CUSIP: 928241108 Class: COMMON STOCK

DISCIPLINED GROWTH INVESTORS INC /MN's Holding History (CIK: 0001050442)

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

Q4 2013
Shares 351,140 Value ($000) $17,504 Avg Close — Range —
Q3 2013
Shares 550,950 Value ($000) $21,630 Avg Close — Range —
Q2 2013
Shares 704,535 Value ($000) $20,185 Avg Close — Range —