PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Hanson & Doremus Investment Management's Holding History (CIK: 0001393944)

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

Q1 2019

Shares 1,525 Value ($000) $21 Avg Close $13.11 Range $9.85 - $14.79

Q4 2018

Shares 2,675 Value ($000) $28 Avg Close $14.74 Range $9.49 - $18.24

Q3 2018

Shares 3,010 Value ($000) $52 Avg Close $17.18 Range $14.60 - $19.29

Q2 2018

Shares 3,010 Value ($000) $54 Avg Close $20.05 Range $16.61 - $23.99

Q1 2018

Shares 3,010 Value ($000) $53 Avg Close $20.88 Range $16.82 - $25.03

Q4 2017

Shares 3,010 Value ($000) $69 Avg Close $20.72 Range $17.24 - $23.26

Q3 2017

Shares 3,010 Value ($000) $63 Avg Close $18.42 Range $14.83 - $21.74

Q2 2017

Shares 3,010 Value ($000) $61 Avg Close $21.79 Range $19.06 - $25.75

Q1 2017

Shares 3,010 Value ($000) $73 Avg Close $26.97 Range $22.83 - $29.76

Q4 2016

Shares 3,010 Value ($000) $81,029 Avg Close $24.70 Range $20.79 - $29.56

Q3 2016

Shares 3,285 Value ($000) $73 Avg Close $20.07 Range $17.61 - $22.66

Q2 2016

Shares 3,285 Value ($000) $70 Avg Close $18.84 Range $16.06 - $22.12

Q1 2016

Shares 3,285 Value ($000) $58 Avg Close $14.91 Range $10.94 - $18.75

Q4 2015

Shares 3,885 Value ($000) $59 Avg Close $15.38 Range $12.82 - $17.45

Q3 2015

Shares 3,885 Value ($000) $51 Avg Close $15.85 Range $12.97 - $18.80

Q2 2015

Shares 3,885 Value ($000) $73 Avg Close $20.74 Range $18.30 - $23.11

Q1 2015

Shares 3,885 Value ($000) $73 Avg Close $17.15 Range $13.30 - $19.70

Q4 2014

Shares 4,520 Value ($000) $75 Avg Close $21.10 Range $14.01 - $33.28

Q3 2014

Shares 3,920 Value ($000) $128 Avg Close $33.96 Range $31.12 - $38.43

Q2 2014

Shares 4,305 Value ($000) $150 Avg Close $32.83 Range $30.24 - $35.42

Q1 2014

Shares 4,305 Value ($000) $136 Avg Close $27.81 Range $24.37 - $31.95

Q4 2013

Shares 4,305 Value ($000) $109 Avg Close $23.93 Range $21.29 - $26.09

Q3 2013

Shares 3,095 Value ($000) $66 Avg Close $20.54 Range $18.83 - $22.41

Q2 2013

Shares 3,095 Value ($000) $60 Avg Close $21.83 Range $18.96 - $25.12

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	1,525	$21	$13.11	$9.85 - $14.79
Q4 2018	2,675	$28	$14.74	$9.49 - $18.24
Q3 2018	3,010	$52	$17.18	$14.60 - $19.29
Q2 2018	3,010	$54	$20.05	$16.61 - $23.99
Q1 2018	3,010	$53	$20.88	$16.82 - $25.03
Q4 2017	3,010	$69	$20.72	$17.24 - $23.26
Q3 2017	3,010	$63	$18.42	$14.83 - $21.74
Q2 2017	3,010	$61	$21.79	$19.06 - $25.75
Q1 2017	3,010	$73	$26.97	$22.83 - $29.76
Q4 2016	3,010	$81,029	$24.70	$20.79 - $29.56
Q3 2016	3,285	$73	$20.07	$17.61 - $22.66
Q2 2016	3,285	$70	$18.84	$16.06 - $22.12
Q1 2016	3,285	$58	$14.91	$10.94 - $18.75
Q4 2015	3,885	$59	$15.38	$12.82 - $17.45
Q3 2015	3,885	$51	$15.85	$12.97 - $18.80
Q2 2015	3,885	$73	$20.74	$18.30 - $23.11
Q1 2015	3,885	$73	$17.15	$13.30 - $19.70
Q4 2014	4,520	$75	$21.10	$14.01 - $33.28
Q3 2014	3,920	$128	$33.96	$31.12 - $38.43
Q2 2014	4,305	$150	$32.83	$30.24 - $35.42
Q1 2014	4,305	$136	$27.81	$24.37 - $31.95
Q4 2013	4,305	$109	$23.93	$21.29 - $26.09
Q3 2013	3,095	$66	$20.54	$18.83 - $22.41
Q2 2013	3,095	$60	$21.83	$18.96 - $25.12