ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

SOMERVILLE KURT F's Holding History (CIK: 0001215208)

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

Q1 2019
Shares 2,000 Value ($000) $353 Avg Close $150.92 Range $131.24 - $169.66
Q4 2018
Shares 2,400 Value ($000) $354 Avg Close $141.48 Range $126.10 - $150.86
Q3 2018
Shares 2,400 Value ($000) $377 Avg Close $137.00 Range $128.06 - $148.09
Q2 2018
Shares 2,000 Value ($000) $281 Avg Close $132.91 Range $122.30 - $138.58
Q1 2018
Shares 2,000 Value ($000) $274 Avg Close $123.54 Range $115.47 - $129.02
Q4 2017
Shares 2,000 Value ($000) $268 Avg Close $121.85 Range $117.53 - $126.30
Q3 2017
Shares 2,000 Value ($000) $257 Avg Close $120.10 Range $116.11 - $122.59
Q2 2017
Shares 2,000 Value ($000) $265 Avg Close $117.68 Range $113.27 - $123.01
Q1 2017
Shares 2,080 Value ($000) $261 Avg Close $111.04 Range $106.47 - $114.69
Q4 2016
Shares 5,080 Value ($000) $595 Avg Close $105.98 Range $100.13 - $110.74
Q3 2016
Shares 5,080 Value ($000) $619 Avg Close $108.98 Range $105.46 - $112.42
Q2 2016
Shares 6,630 Value ($000) $786 Avg Close $104.92 Range $98.81 - $109.58
Q1 2016
Shares 7,918 Value ($000) $883 Avg Close $95.34 Range $88.43 - $102.02
Q4 2015
Shares 8,428 Value ($000) $964 Avg Close $105.21 Range $98.01 - $109.49
Q3 2015
Shares 6,500 Value ($000) $713 Avg Close $99.79 Range $91.88 - $104.89
Q2 2015
Shares 6,500 Value ($000) $735 Avg Close $102.25 Range $97.79 - $105.41
Q1 2015
Shares 6,500 Value ($000) $743 Avg Close $97.19 Range $86.65 - $103.73
Q4 2014
Shares 6,650 Value ($000) $695 Avg Close $96.70 Range $89.74 - $101.94
Q3 2014
Shares 6,650 Value ($000) $763 Avg Close $99.26 Range $94.57 - $104.65
Q2 2014
Shares 6,650 Value ($000) $741 Avg Close $94.25 Range $89.51 - $98.33
Q1 2014
Shares 6,650 Value ($000) $718 Avg Close $91.92 Range $85.62 - $98.30
Q4 2013
Shares 7,150 Value ($000) $746 Avg Close $90.95 Range $84.34 - $94.74
Q3 2013
Shares 7,150 Value ($000) $706 Avg Close $81.20 Range $74.57 - $86.97
Q2 2013
Shares 7,150 Value ($000) $609 Avg Close $73.48 Range $68.51 - $77.84
Q1 2013
Shares 7,100 Value ($000) $569 Avg Close $65.61 Range $62.45 - $70.20
Q4 2012
Shares 7,100 Value ($000) $510 Avg Close — Range —