ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q4 2018

Shares 511,333 Value ($000) $4,331 Avg Close $9.78 Range $6.94 - $13.00

Q3 2018

Shares 513,712 Value ($000) $6,447 Avg Close $14.54 Range $12.28 - $17.35

Q2 2018

Shares 498,517 Value ($000) $8,275 Avg Close $17.54 Range $15.36 - $19.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	511,333	$4,331	$9.78	$6.94 - $13.00
Q3 2018	513,712	$6,447	$14.54	$12.28 - $17.35
Q2 2018	498,517	$8,275	$17.54	$15.36 - $19.59