3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

McNamara Financial Services, Inc.'s Holding History (CIK: 0001622431)

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

Q4 2015

Shares 1,970 Value ($000) $296 Avg Close $92.11 Range $82.77 - $96.10

Q3 2015

Shares 1,995 Value ($000) $283 Avg Close $87.51 Range $80.04 - $93.69

Q2 2015

Shares 1,995 Value ($000) $308 Avg Close $94.82 Range $91.30 - $98.85

Q1 2015

Shares 1,995 Value ($000) $329 Avg Close $96.87 Range $92.41 - $100.50

Q4 2014

Shares 1,995 Value ($000) $328 Avg Close $89.68 Range $76.10 - $98.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	1,970	$296	$92.11	$82.77 - $96.10
Q3 2015	1,995	$283	$87.51	$80.04 - $93.69
Q2 2015	1,995	$308	$94.82	$91.30 - $98.85
Q1 2015	1,995	$329	$96.87	$92.41 - $100.50
Q4 2014	1,995	$328	$89.68	$76.10 - $98.51