ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

CenterStar Asset Management, LLC's Holding History (CIK: 0001722053)

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

Q1 2021

Shares 671 Value ($000) $37 Avg Close $46.05 Range $31.59 - $59.42

Q1 2018

Shares 21,618 Value ($000) $393 Avg Close $21.09 Range $16.29 - $27.20

Q4 2017

Shares 21,617 Value ($000) $457 Avg Close $25.63 Range $18.86 - $34.59

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	671	$37	$46.05	$31.59 - $59.42
Q1 2018	21,618	$393	$21.09	$16.29 - $27.20
Q4 2017	21,617	$457	$25.63	$18.86 - $34.59