ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

COMMONWEALTH EQUITY SERVICES, LLC's Holding History (CIK: 0000312272)

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

Q4 2018

Shares 14,735 Value ($000) $124 Avg Close $9.78 Range $6.94 - $13.00

Q3 2018

Shares 23,628 Value ($000) $296 Avg Close $14.54 Range $12.28 - $17.35

Q2 2018

Shares 22,748 Value ($000) $378 Avg Close $17.54 Range $15.36 - $19.59

Q1 2018

Shares 17,122 Value ($000) $329 Avg Close $21.09 Range $16.29 - $27.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	14,735	$124	$9.78	$6.94 - $13.00
Q3 2018	23,628	$296	$14.54	$12.28 - $17.35
Q2 2018	22,748	$378	$17.54	$15.36 - $19.59
Q1 2018	17,122	$329	$21.09	$16.29 - $27.20