ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

S Squared Technology, LLC's Holding History (CIK: 0001322924)

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

Q2 2018

Shares 159,340 Value ($000) $2,645 Avg Close $17.54 Range $15.36 - $19.59

Q1 2018

Shares 120,000 Value ($000) $2,310 Avg Close $21.09 Range $16.29 - $27.20

Q1 2017

Shares 211,927 Value ($000) $3,575 Avg Close $13.27 Range $9.42 - $16.99

Q4 2016

Shares 346,927 Value ($000) $3,365 Avg Close $9.08 Range $7.06 - $10.65

Q3 2016

Shares 546,930 Value ($000) $4,053 Avg Close $6.56 Range $5.40 - $7.50

Q2 2016

Shares 541,930 Value ($000) $3,084 Avg Close $5.52 Range $4.95 - $6.07

Q1 2016

Shares 453,335 Value ($000) $2,430 Avg Close $5.07 Range $4.50 - $5.72

Q4 2015

Shares 408,401 Value ($000) $2,091 Avg Close $5.17 Range $4.60 - $5.91

Q3 2015

Shares 216,000 Value ($000) $1,240 Avg Close $6.60 Range $5.29 - $8.16

Q2 2015

Shares 196,000 Value ($000) $1,221 Avg Close $6.46 Range $5.26 - $7.51

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	159,340	$2,645	$17.54	$15.36 - $19.59
Q1 2018	120,000	$2,310	$21.09	$16.29 - $27.20
Q1 2017	211,927	$3,575	$13.27	$9.42 - $16.99
Q4 2016	346,927	$3,365	$9.08	$7.06 - $10.65
Q3 2016	546,930	$4,053	$6.56	$5.40 - $7.50
Q2 2016	541,930	$3,084	$5.52	$4.95 - $6.07
Q1 2016	453,335	$2,430	$5.07	$4.50 - $5.72
Q4 2015	408,401	$2,091	$5.17	$4.60 - $5.91
Q3 2015	216,000	$1,240	$6.60	$5.29 - $8.16
Q2 2015	196,000	$1,221	$6.46	$5.26 - $7.51