AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

Horizon Investment Services, LLC's Holding History (CIK: 0001426940)

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

Q4 2021

Shares 14,656 Value ($000) $363 Avg Close $21.87 Range $19.83 - $24.52

Q3 2021

Shares 80,920 Value ($000) $2,019 Avg Close $23.93 Range $19.34 - $27.70

Q2 2021

Shares 76,697 Value ($000) $1,815 Avg Close $20.84 Range $16.88 - $25.74

Q1 2021

Shares 70,871 Value ($000) $1,680 Avg Close $19.14 Range $13.85 - $24.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	14,656	$363	$21.87	$19.83 - $24.52
Q3 2021	80,920	$2,019	$23.93	$19.34 - $27.70
Q2 2021	76,697	$1,815	$20.84	$16.88 - $25.74
Q1 2021	70,871	$1,680	$19.14	$13.85 - $24.36