ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

Cornerstone Investment Partners, LLC's Holding History (CIK: 0001328062)

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

Q1 2022

Shares 4,875 Value ($000) $207 Avg Close $47.86 Range $37.72 - $60.49

Q4 2021

Shares 4,875 Value ($000) $280 Avg Close $52.01 Range $40.97 - $60.84

Q3 2021

Shares 4,875 Value ($000) $208 Avg Close $47.15 Range $39.00 - $56.24

Q2 2021

Shares 5,975 Value ($000) $321 Avg Close $53.53 Range $44.18 - $65.33

Q1 2021

Shares 5,975 Value ($000) $347 Avg Close $46.05 Range $31.59 - $59.42

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	4,875	$207	$47.86	$37.72 - $60.49
Q4 2021	4,875	$280	$52.01	$40.97 - $60.84
Q3 2021	4,875	$208	$47.15	$39.00 - $56.24
Q2 2021	5,975	$321	$53.53	$44.18 - $65.33
Q1 2021	5,975	$347	$46.05	$31.59 - $59.42