CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

True North Advisors, LLC's Holding History (CIK: 0001634556)

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

Q3 2021

Shares 13,673 Value ($000) $498 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 13,673 Value ($000) $559 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 13,673 Value ($000) $594 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 13,673 Value ($000) $492 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 13,802 Value ($000) $447 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 13,673 Value ($000) $354 Avg Close $19.40 Range $15.19 - $24.47

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	13,673	$498	$35.29	$32.36 - $37.53
Q2 2021	13,673	$559	$38.31	$33.97 - $41.06
Q1 2021	13,673	$594	$33.60	$30.34 - $38.69
Q4 2020	13,673	$492	$30.87	$27.10 - $33.50
Q3 2020	13,802	$447	$26.66	$22.06 - $29.33
Q2 2020	13,673	$354	$19.40	$15.19 - $24.47