PROS HOLDINGS INC

CUSIP: 74346Y103 Class: Common Stock

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q4 2014
Shares 464,169 Value ($000) $12,755,365 Avg Close — Range —
Q3 2014
Shares 853,932 Value ($000) $21,519 Avg Close — Range —
Q2 2014
Shares 943,898 Value ($000) $24,957 Avg Close — Range —
Q1 2014
Shares 218,954 Value ($000) $6,899,241 Avg Close — Range —