KOPPERS HOLDINGS INC

Ticker: KOP CUSIP: 50060P106 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2020

Shares 89,159 Value ($000) $2,778 Avg Close $25.23 Range $19.75 - $30.43

Q3 2020

Shares 238,797 Value ($000) $4,993 Avg Close $22.04 Range $16.86 - $26.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	89,159	$2,778	$25.23	$19.75 - $30.43
Q3 2020	238,797	$4,993	$22.04	$16.86 - $26.37