FIRSTBANK CORP MICH

CUSIP: 33761G104 Class: COMMON STOCK

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2014
Shares 620,968 Value ($000) $11,593 Avg Close — Range —
Q4 2013
Shares 620,968 Value ($000) $12,010 Avg Close — Range —
Q3 2013
Shares 620,968 Value ($000) $12,090 Avg Close — Range —
Q2 2013
Shares 620,968 Value ($000) $8,327 Avg Close — Range —