3M COMPANY

CUSIP: 604059105 Class: COM

PETTYJOHN, WOOD & WHITE, INC's Holding History (CIK: 0001128213)

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

Q4 2013
Shares 18,737 Value ($000) $2,628 Avg Close — Range —
Q3 2013
Shares 18,787 Value ($000) $2,243 Avg Close — Range —
Q2 2013
Shares 19,037 Value ($000) $2,082 Avg Close — Range —