ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

Cambridge Investment Research Advisors, Inc.'s Holding History (CIK: 0001419186)

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

Q4 2017

Shares 28,216 Value ($000) $652 Avg Close $25.63 Range $18.86 - $34.59

Q3 2017

Shares 25,086 Value ($000) $768 Avg Close $23.64 Range $18.41 - $30.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	28,216	$652	$25.63	$18.86 - $34.59
Q3 2017	25,086	$768	$23.64	$18.41 - $30.92