ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

TWO SIGMA ADVISERS, LP's Holding History (CIK: 0001478735)

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

Q4 2021

Shares 5,100 Value ($000) $293 Avg Close $52.01 Range $40.97 - $60.84

Q3 2021

Shares 33,900 Value ($000) $1,444 Avg Close $47.15 Range $39.00 - $56.24

Q2 2021

Shares 83,300 Value ($000) $4,475 Avg Close $53.53 Range $44.18 - $65.33

Q1 2021

Shares 77,400 Value ($000) $4,492 Avg Close $46.05 Range $31.59 - $59.42

Q4 2020

Shares 104,506 Value ($000) $3,255 Avg Close $27.90 Range $21.08 - $37.02

Q3 2020

Shares 28,400 Value ($000) $609 Avg Close $24.28 Range $19.08 - $31.10

Q2 2020

Shares 51,300 Value ($000) $1,161 Avg Close $19.01 Range $12.37 - $24.86

Q1 2020

Shares 45,600 Value ($000) $629 Avg Close $21.23 Range $11.79 - $30.00

Q4 2019

Shares 69,900 Value ($000) $1,641 Avg Close $20.22 Range $13.94 - $24.24

Q3 2019

Shares 45,400 Value ($000) $664 Avg Close $13.88 Range $11.20 - $16.67

Q4 2017

Shares 201,679 Value ($000) $4,657 Avg Close $25.63 Range $18.86 - $34.59

Q3 2017

Shares 392,679 Value ($000) $12,024 Avg Close $23.64 Range $18.41 - $30.92

Q2 2017

Shares 398,186 Value ($000) $7,466 Avg Close $20.12 Range $14.93 - $26.21

Q1 2017

Shares 429,679 Value ($000) $7,249 Avg Close $13.27 Range $9.42 - $16.99

Q4 2016

Shares 196,300 Value ($000) $1,904 Avg Close $9.08 Range $7.06 - $10.65

Q3 2016

Shares 64,400 Value ($000) $477 Avg Close $6.56 Range $5.40 - $7.50

Q2 2016

Shares 73,600 Value ($000) $419 Avg Close $5.52 Range $4.95 - $6.07

Q1 2016

Shares 90,500 Value ($000) $485 Avg Close $5.07 Range $4.50 - $5.72

Q4 2015

Shares 125,372 Value ($000) $642 Avg Close $5.17 Range $4.60 - $5.91

Q3 2015

Shares 136,400 Value ($000) $796 Avg Close $6.60 Range $5.29 - $8.16

Q2 2015

Shares 133,301 Value ($000) $830 Avg Close $6.46 Range $5.26 - $7.51

Q1 2015

Shares 70,000 Value ($000) $501 Avg Close $8.80 Range $7.14 - $10.29

Q4 2014

Shares 68,100 Value ($000) $632 Avg Close $8.47 Range $7.32 - $9.51

Q3 2014

Shares 73,100 Value ($000) $654 Avg Close $9.32 Range $8.58 - $10.29

Q2 2014

Shares 90,800 Value ($000) $822 Avg Close $9.56 Range $7.62 - $13.89

Q1 2014

Shares 86,500 Value ($000) $1,138 Avg Close $12.49 Range $9.51 - $15.00

Q4 2013

Shares 77,600 Value ($000) $777 Avg Close $9.00 Range $6.53 - $10.66

Q3 2013

Shares 80,700 Value ($000) $558 Avg Close $6.67 Range $6.00 - $7.11

Q2 2013

Shares 94,042 Value ($000) $569 Avg Close $6.00 Range $4.52 - $6.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	5,100	$293	$52.01	$40.97 - $60.84
Q3 2021	33,900	$1,444	$47.15	$39.00 - $56.24
Q2 2021	83,300	$4,475	$53.53	$44.18 - $65.33
Q1 2021	77,400	$4,492	$46.05	$31.59 - $59.42
Q4 2020	104,506	$3,255	$27.90	$21.08 - $37.02
Q3 2020	28,400	$609	$24.28	$19.08 - $31.10
Q2 2020	51,300	$1,161	$19.01	$12.37 - $24.86
Q1 2020	45,600	$629	$21.23	$11.79 - $30.00
Q4 2019	69,900	$1,641	$20.22	$13.94 - $24.24
Q3 2019	45,400	$664	$13.88	$11.20 - $16.67
Q4 2017	201,679	$4,657	$25.63	$18.86 - $34.59
Q3 2017	392,679	$12,024	$23.64	$18.41 - $30.92
Q2 2017	398,186	$7,466	$20.12	$14.93 - $26.21
Q1 2017	429,679	$7,249	$13.27	$9.42 - $16.99
Q4 2016	196,300	$1,904	$9.08	$7.06 - $10.65
Q3 2016	64,400	$477	$6.56	$5.40 - $7.50
Q2 2016	73,600	$419	$5.52	$4.95 - $6.07
Q1 2016	90,500	$485	$5.07	$4.50 - $5.72
Q4 2015	125,372	$642	$5.17	$4.60 - $5.91
Q3 2015	136,400	$796	$6.60	$5.29 - $8.16
Q2 2015	133,301	$830	$6.46	$5.26 - $7.51
Q1 2015	70,000	$501	$8.80	$7.14 - $10.29
Q4 2014	68,100	$632	$8.47	$7.32 - $9.51
Q3 2014	73,100	$654	$9.32	$8.58 - $10.29
Q2 2014	90,800	$822	$9.56	$7.62 - $13.89
Q1 2014	86,500	$1,138	$12.49	$9.51 - $15.00
Q4 2013	77,600	$777	$9.00	$6.53 - $10.66
Q3 2013	80,700	$558	$6.67	$6.00 - $7.11
Q2 2013	94,042	$569	$6.00	$4.52 - $6.45