ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

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

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

Q1 2022

Shares 28,561 Value ($000) $1,211 Avg Close $47.86 Range $37.72 - $60.49

Q4 2021

Shares 33,244 Value ($000) $1,907 Avg Close $52.01 Range $40.97 - $60.84

Q3 2021

Shares 32,419 Value ($000) $1,381 Avg Close $47.15 Range $39.00 - $56.24

Q2 2021

Shares 31,369 Value ($000) $1,685 Avg Close $53.53 Range $44.18 - $65.33

Q1 2021

Shares 30,967 Value ($000) $1,797 Avg Close $46.05 Range $31.59 - $59.42

Q4 2020

Shares 28,950 Value ($000) $902 Avg Close $27.90 Range $21.08 - $37.02

Q3 2020

Shares 23,891 Value ($000) $513 Avg Close $24.28 Range $19.08 - $31.10

Q2 2020

Shares 11,855 Value ($000) $268 Avg Close $19.01 Range $12.37 - $24.86

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	28,561	$1,211	$47.86	$37.72 - $60.49
Q4 2021	33,244	$1,907	$52.01	$40.97 - $60.84
Q3 2021	32,419	$1,381	$47.15	$39.00 - $56.24
Q2 2021	31,369	$1,685	$53.53	$44.18 - $65.33
Q1 2021	30,967	$1,797	$46.05	$31.59 - $59.42
Q4 2020	28,950	$902	$27.90	$21.08 - $37.02
Q3 2020	23,891	$513	$24.28	$19.08 - $31.10
Q2 2020	11,855	$268	$19.01	$12.37 - $24.86