PROS HOLDINGS INC

CUSIP: 74346Y103 Class: Common Stock

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q1 2014
Shares 74,324 Value ($000) $2,342 Avg Close — Range —
Q4 2013
Shares 79,774 Value ($000) $3,183 Avg Close — Range —
Q3 2013
Shares 80,014 Value ($000) $2,736 Avg Close — Range —
Q2 2013
Shares 69,894 Value ($000) $2,093 Avg Close — Range —