3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

Asset Management Advisors, LLC's Holding History (CIK: 0001596355)

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

Q4 2013
Shares 28,134 Value ($000) $3,946 Avg Close $72.67 Range $66.39 - $80.32