GREATBATCH INC

CUSIP: 39153L106 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q1 2016
Shares 451,594 Value ($000) $16,095 Avg Close — Range —
Q4 2015
Shares 445,385 Value ($000) $23,383 Avg Close — Range —
Q3 2015
Shares 462,125 Value ($000) $26,073 Avg Close — Range —