PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q1 2020

Shares 37,580 Value ($000) $88 Avg Close $6.47 Range $1.80 - $10.95

Q4 2019

Shares 37,580 Value ($000) $395 Avg Close $9.05 Range $7.67 - $10.80

Q3 2019

Shares 37,170 Value ($000) $318 Avg Close $9.81 Range $7.87 - $12.15

Q2 2019

Shares 39,010 Value ($000) $449 Avg Close $12.87 Range $10.07 - $16.27

Q1 2019

Shares 39,640 Value ($000) $556 Avg Close $13.11 Range $9.85 - $14.79

Q4 2018

Shares 52,880 Value ($000) $547 Avg Close $14.74 Range $9.49 - $18.24

Q2 2018

Shares 51,980 Value ($000) $936 Avg Close $20.05 Range $16.61 - $23.99

Q1 2018

Shares 69,060 Value ($000) $1,209 Avg Close $20.88 Range $16.82 - $25.03

Q4 2017

Shares 64,530 Value ($000) $1,485 Avg Close $20.72 Range $17.24 - $23.26

Q3 2017

Shares 64,780 Value ($000) $1,356 Avg Close $18.42 Range $14.83 - $21.74

Q2 2017

Shares 63,500 Value ($000) $1,282 Avg Close $21.79 Range $19.06 - $25.75

Q1 2017

Shares 75,960 Value ($000) $1,844 Avg Close $26.97 Range $22.83 - $29.76

Q4 2016

Shares 67,820 Value ($000) $1,826 Avg Close $24.70 Range $20.79 - $29.56

Q3 2016

Shares 66,170 Value ($000) $1,480 Avg Close $20.07 Range $17.61 - $22.66

Q2 2016

Shares 65,230 Value ($000) $1,391 Avg Close $18.84 Range $16.06 - $22.12

Q1 2016

Shares 49,050 Value ($000) $864 Avg Close $14.91 Range $10.94 - $18.75

Q4 2015

Shares 47,110 Value ($000) $710 Avg Close $15.38 Range $12.82 - $17.45

Q3 2015

Shares 47,040 Value ($000) $618 Avg Close $15.85 Range $12.97 - $18.80

Q2 2015

Shares 46,120 Value ($000) $868 Avg Close $20.74 Range $18.30 - $23.11

Q1 2015

Shares 44,300 Value ($000) $832 Avg Close $17.15 Range $13.30 - $19.70

Q4 2014

Shares 47,460 Value ($000) $787 Avg Close $21.10 Range $14.01 - $33.28

Q3 2014

Shares 41,000 Value ($000) $1,334 Avg Close $33.96 Range $31.12 - $38.43

Q2 2014

Shares 39,800 Value ($000) $1,391 Avg Close $32.83 Range $30.24 - $35.42

Q1 2014

Shares 39,800 Value ($000) $1,261 Avg Close $27.81 Range $24.37 - $31.95

Q4 2013

Shares 40,400 Value ($000) $1,023 Avg Close $23.93 Range $21.29 - $26.09

Q3 2013

Shares 24,100 Value ($000) $515 Avg Close $20.54 Range $18.83 - $22.41

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	37,580	$88	$6.47	$1.80 - $10.95
Q4 2019	37,580	$395	$9.05	$7.67 - $10.80
Q3 2019	37,170	$318	$9.81	$7.87 - $12.15
Q2 2019	39,010	$449	$12.87	$10.07 - $16.27
Q1 2019	39,640	$556	$13.11	$9.85 - $14.79
Q4 2018	52,880	$547	$14.74	$9.49 - $18.24
Q2 2018	51,980	$936	$20.05	$16.61 - $23.99
Q1 2018	69,060	$1,209	$20.88	$16.82 - $25.03
Q4 2017	64,530	$1,485	$20.72	$17.24 - $23.26
Q3 2017	64,780	$1,356	$18.42	$14.83 - $21.74
Q2 2017	63,500	$1,282	$21.79	$19.06 - $25.75
Q1 2017	75,960	$1,844	$26.97	$22.83 - $29.76
Q4 2016	67,820	$1,826	$24.70	$20.79 - $29.56
Q3 2016	66,170	$1,480	$20.07	$17.61 - $22.66
Q2 2016	65,230	$1,391	$18.84	$16.06 - $22.12
Q1 2016	49,050	$864	$14.91	$10.94 - $18.75
Q4 2015	47,110	$710	$15.38	$12.82 - $17.45
Q3 2015	47,040	$618	$15.85	$12.97 - $18.80
Q2 2015	46,120	$868	$20.74	$18.30 - $23.11
Q1 2015	44,300	$832	$17.15	$13.30 - $19.70
Q4 2014	47,460	$787	$21.10	$14.01 - $33.28
Q3 2014	41,000	$1,334	$33.96	$31.12 - $38.43
Q2 2014	39,800	$1,391	$32.83	$30.24 - $35.42
Q1 2014	39,800	$1,261	$27.81	$24.37 - $31.95
Q4 2013	40,400	$1,023	$23.93	$21.29 - $26.09
Q3 2013	24,100	$515	$20.54	$18.83 - $22.41