KOPPERS HOLDINGS INC

Ticker: KOP CUSIP: 50060P106 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021

Shares 21,500 Value ($000) $747 Avg Close $33.96 Range $28.60 - $37.95

Q4 2020

Shares 42,500 Value ($000) $1,325 Avg Close $25.23 Range $19.75 - $30.43

Q3 2020

Shares 76,100 Value ($000) $1,592 Avg Close $22.04 Range $16.86 - $26.37

Q2 2020

Shares 30,600 Value ($000) $577 Avg Close $14.72 Range $8.00 - $22.09

Q4 2019

Shares 5,300 Value ($000) $202 Avg Close $34.04 Range $25.45 - $43.37

Q3 2019

Shares 33,800 Value ($000) $987 Avg Close $26.87 Range $22.89 - $29.57

Q2 2019

Shares 60,800 Value ($000) $1,785 Avg Close $27.00 Range $25.07 - $29.17

Q2 2018

Shares 22,786 Value ($000) $874 Avg Close $40.28 Range $36.59 - $44.88

Q1 2018

Shares 59,586 Value ($000) $2,449 Avg Close $42.63 Range $37.56 - $49.72

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	21,500	$747	$33.96	$28.60 - $37.95
Q4 2020	42,500	$1,325	$25.23	$19.75 - $30.43
Q3 2020	76,100	$1,592	$22.04	$16.86 - $26.37
Q2 2020	30,600	$577	$14.72	$8.00 - $22.09
Q4 2019	5,300	$202	$34.04	$25.45 - $43.37
Q3 2019	33,800	$987	$26.87	$22.89 - $29.57
Q2 2019	60,800	$1,785	$27.00	$25.07 - $29.17
Q2 2018	22,786	$874	$40.28	$36.59 - $44.88
Q1 2018	59,586	$2,449	$42.63	$37.56 - $49.72