PATTERSON COMPANIES INC

CUSIP: 703395103 Class: Common Stock

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

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

Q1 2015
Shares 877,206 Value ($000) $42,798,881 Avg Close — Range —
Q4 2014
Shares 879,976 Value ($000) $42,326,846 Avg Close — Range —
Q3 2014
Shares 861,708 Value ($000) $35,701 Avg Close — Range —
Q2 2014
Shares 872,494 Value ($000) $34,473 Avg Close — Range —
Q1 2014
Shares 881,841 Value ($000) $36,825,680 Avg Close — Range —
Q4 2013
Shares 852,111 Value ($000) $35,106,973 Avg Close — Range —
Q3 2013
Shares 796,701 Value ($000) $32,015,429 Avg Close — Range —
Q2 2013
Shares 713,257 Value ($000) $26,818,463 Avg Close — Range —