3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

Oppenheimer & Close, LLC's Holding History (CIK: 0001591377)

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

Q1 2017
Shares 13,307 Value ($000) $2,546 Avg Close $113.65 Range $107.14 - $120.23
Q4 2016
Shares 14,971 Value ($000) $2,673 Avg Close $106.20 Range $100.51 - $111.16
Q3 2016
Shares 15,271 Value ($000) $2,691 Avg Close $109.19 Range $105.77 - $111.43
Q2 2016
Shares 15,373 Value ($000) $2,692 Avg Close $102.46 Range $99.47 - $106.77
Q1 2016
Shares 22,493 Value ($000) $3,748 Avg Close $92.76 Range $80.95 - $101.43
Q4 2015
Shares 23,863 Value ($000) $3,595 Avg Close $92.11 Range $82.77 - $96.10
Q3 2015
Shares 21,468 Value ($000) $3,044 Avg Close $87.51 Range $80.04 - $93.69
Q2 2015
Shares 21,295 Value ($000) $3,285 Avg Close $94.82 Range $91.30 - $98.85
Q1 2015
Shares 21,920 Value ($000) $3,616 Avg Close $96.87 Range $92.41 - $100.50
Q4 2014
Shares 29,195 Value ($000) $4,797 Avg Close $89.68 Range $76.10 - $98.51
Q3 2014
Shares 29,355 Value ($000) $4,159 Avg Close $83.50 Range $80.18 - $86.16
Q2 2014
Shares 29,733 Value ($000) $4,259 Avg Close $81.05 Range $76.00 - $84.30
Q1 2014
Shares 33,852 Value ($000) $4,592 Avg Close $76.26 Range $70.70 - $79.67
Q4 2013
Shares 35,474 Value ($000) $4,975 Avg Close $72.67 Range $66.39 - $80.32
Q3 2013
Shares 37,276 Value ($000) $4,451 Avg Close $65.98 Range $61.25 - $69.59
Q3 2012
Shares 37,276 Value ($000) $4,451 Avg Close — Range —