GREATBATCH INC

CUSIP: 39153L106 Class: COM

OAK ASSOCIATES LTD /OH/'s Holding History (CIK: 0000836372)

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

Q2 2015
Shares 9,184 Value ($000) $495 Avg Close — Range —
Q1 2015
Shares 18,784 Value ($000) $1,087 Avg Close — Range —
Q4 2014
Shares 18,784 Value ($000) $926 Avg Close — Range —
Q3 2014
Shares 18,784 Value ($000) $800 Avg Close — Range —
Q2 2014
Shares 18,784 Value ($000) $922 Avg Close — Range —
Q1 2014
Shares 18,784 Value ($000) $863 Avg Close — Range —
Q4 2013
Shares 18,784 Value ($000) $831 Avg Close — Range —
Q2 2013
Shares 49,284 Value ($000) $1,616 Avg Close — Range —