3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

Westchester Capital Management, Inc.'s Holding History (CIK: 0001390063)

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

Q1 2020

Shares 1,000 Value ($000) $137 Avg Close $105.95 Range $77.15 - $122.39

Q4 2019

Shares 1,000 Value ($000) $176 Avg Close $111.76 Range $100.09 - $120.13

Q4 2016

Shares 50 Value ($000) $9 Avg Close $106.20 Range $100.51 - $111.16

Q3 2013

Shares 51,895 Value ($000) $6,197 Avg Close $65.98 Range $61.25 - $69.59

Q2 2013

Shares 52,720 Value ($000) $5,765 Avg Close $61.26 Range $57.91 - $64.10

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	1,000	$137	$105.95	$77.15 - $122.39
Q4 2019	1,000	$176	$111.76	$100.09 - $120.13
Q4 2016	50	$9	$106.20	$100.51 - $111.16
Q3 2013	51,895	$6,197	$65.98	$61.25 - $69.59
Q2 2013	52,720	$5,765	$61.26	$57.91 - $64.10