CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

NICHOLS & PRATT ADVISERS LLP /MA's Holding History (CIK: 0001141781)

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

Q1 2021

Shares 5,675 Value ($000) $247 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 9,450 Value ($000) $340 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 9,450 Value ($000) $306 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 14,250 Value ($000) $369 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 19,270 Value ($000) $396 Avg Close $22.10 Range $14.86 - $25.72

Q4 2019

Shares 24,970 Value ($000) $727 Avg Close $24.43 Range $22.45 - $26.10

Q3 2019

Shares 37,150 Value ($000) $1,057 Avg Close $24.98 Range $22.31 - $28.54

Q2 2019

Shares 34,720 Value ($000) $1,156 Avg Close $26.62 Range $23.82 - $29.24

Q1 2019

Shares 35,720 Value ($000) $1,184 Avg Close $27.05 Range $23.03 - $29.16

Q4 2018

Shares 34,975 Value ($000) $1,055 Avg Close $26.17 Range $22.76 - $29.38

Q3 2018

Shares 34,975 Value ($000) $1,235 Avg Close $26.48 Range $22.14 - $29.90

Q2 2018

Shares 34,800 Value ($000) $957 Avg Close $22.38 Range $21.10 - $23.67

Q1 2018

Shares 34,800 Value ($000) $970 Avg Close $24.81 Range $21.97 - $28.19

Q4 2017

Shares 33,300 Value ($000) $1,065 Avg Close $25.23 Range $23.59 - $26.36

Q3 2017

Shares 33,300 Value ($000) $996 Avg Close $23.59 Range $22.03 - $25.57

Q2 2017

Shares 33,300 Value ($000) $1,001 Avg Close $22.77 Range $20.81 - $24.32

Q1 2017

Shares 33,800 Value ($000) $912 Avg Close $20.97 Range $18.97 - $22.43

Q4 2016

Shares 35,400 Value ($000) $860 Avg Close $18.64 Range $17.38 - $19.93

Q3 2016

Shares 35,400 Value ($000) $837 Avg Close $17.37 Range $15.37 - $18.61

Q2 2016

Shares 35,400 Value ($000) $725 Avg Close $15.51 Range $14.06 - $16.55

Q1 2016

Shares 35,400 Value ($000) $739 Avg Close $14.25 Range $12.36 - $16.26

Q4 2015

Shares 31,600 Value ($000) $578 Avg Close $13.86 Range $12.46 - $14.78

Q3 2015

Shares 31,600 Value ($000) $541 Avg Close $13.63 Range $11.66 - $15.13

Q2 2015

Shares 28,600 Value ($000) $565 Avg Close $16.12 Range $14.79 - $17.27

Q1 2015

Shares 23,500 Value ($000) $533 Avg Close $17.82 Range $16.37 - $18.82

Q4 2014

Shares 21,500 Value ($000) $493 Avg Close $15.20 Range $12.68 - $17.59

Q3 2014

Shares 21,500 Value ($000) $416 Avg Close $15.47 Range $14.31 - $16.57

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	5,675	$247	$33.60	$30.34 - $38.69
Q4 2020	9,450	$340	$30.87	$27.10 - $33.50
Q3 2020	9,450	$306	$26.66	$22.06 - $29.33
Q2 2020	14,250	$369	$19.40	$15.19 - $24.47
Q1 2020	19,270	$396	$22.10	$14.86 - $25.72
Q4 2019	24,970	$727	$24.43	$22.45 - $26.10
Q3 2019	37,150	$1,057	$24.98	$22.31 - $28.54
Q2 2019	34,720	$1,156	$26.62	$23.82 - $29.24
Q1 2019	35,720	$1,184	$27.05	$23.03 - $29.16
Q4 2018	34,975	$1,055	$26.17	$22.76 - $29.38
Q3 2018	34,975	$1,235	$26.48	$22.14 - $29.90
Q2 2018	34,800	$957	$22.38	$21.10 - $23.67
Q1 2018	34,800	$970	$24.81	$21.97 - $28.19
Q4 2017	33,300	$1,065	$25.23	$23.59 - $26.36
Q3 2017	33,300	$996	$23.59	$22.03 - $25.57
Q2 2017	33,300	$1,001	$22.77	$20.81 - $24.32
Q1 2017	33,800	$912	$20.97	$18.97 - $22.43
Q4 2016	35,400	$860	$18.64	$17.38 - $19.93
Q3 2016	35,400	$837	$17.37	$15.37 - $18.61
Q2 2016	35,400	$725	$15.51	$14.06 - $16.55
Q1 2016	35,400	$739	$14.25	$12.36 - $16.26
Q4 2015	31,600	$578	$13.86	$12.46 - $14.78
Q3 2015	31,600	$541	$13.63	$11.66 - $15.13
Q2 2015	28,600	$565	$16.12	$14.79 - $17.27
Q1 2015	23,500	$533	$17.82	$16.37 - $18.82
Q4 2014	21,500	$493	$15.20	$12.68 - $17.59
Q3 2014	21,500	$416	$15.47	$14.31 - $16.57