PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q3 2020

Shares 4,245,299 Value ($000) $12,099 Avg Close $3.68 Range $2.77 - $4.74

Q2 2020

Shares 4,185,687 Value ($000) $14,525 Avg Close $3.45 Range $1.61 - $6.33

Q1 2020

Shares 9,454,457 Value ($000) $22,218 Avg Close $6.47 Range $1.80 - $10.95

Q4 2019

Shares 10,543,437 Value ($000) $110,705 Avg Close $9.05 Range $7.67 - $10.80

Q3 2019

Shares 9,950,536 Value ($000) $85,078 Avg Close $9.81 Range $7.87 - $12.15

Q2 2019

Shares 6,880,727 Value ($000) $79,197 Avg Close $12.87 Range $10.07 - $16.27

Q1 2019

Shares 6,173,810 Value ($000) $86,556 Avg Close $13.11 Range $9.85 - $14.79

Q4 2018

Shares 5,105,970 Value ($000) $52,847 Avg Close $14.74 Range $9.49 - $18.24

Q3 2018

Shares 3,956,667 Value ($000) $67,699 Avg Close $17.18 Range $14.60 - $19.29

Q2 2018

Shares 2,605,717 Value ($000) $46,903 Avg Close $20.05 Range $16.61 - $23.99

Q1 2018

Shares 2,461,770 Value ($000) $43,106 Avg Close $20.88 Range $16.82 - $25.03

Q4 2017

Shares 832,488 Value ($000) $19,156 Avg Close $20.72 Range $17.24 - $23.26

Q3 2017

Shares 720,758 Value ($000) $15,093 Avg Close $18.42 Range $14.83 - $21.74

Q2 2017

Shares 608,692 Value ($000) $12,289 Avg Close $21.79 Range $19.06 - $25.75

Q1 2017

Shares 259,743 Value ($000) $6,304 Avg Close $26.97 Range $22.83 - $29.76

Q4 2016

Shares 331,361 Value ($000) $8,920 Avg Close $24.70 Range $20.79 - $29.56

Q3 2016

Shares 399,577 Value ($000) $8,939 Avg Close $20.07 Range $17.61 - $22.66

Q2 2016

Shares 392,771 Value ($000) $8,374 Avg Close $18.84 Range $16.06 - $22.12

Q1 2016

Shares 405,977 Value ($000) $7,154 Avg Close $14.91 Range $10.94 - $18.75

Q4 2015

Shares 442,302 Value ($000) $6,670 Avg Close $15.38 Range $12.82 - $17.45

Q3 2015

Shares 581,381 Value ($000) $7,639 Avg Close $15.85 Range $12.97 - $18.80

Q2 2015

Shares 581,725 Value ($000) $10,945,156 Avg Close $20.74 Range $18.30 - $23.11

Q1 2015

Shares 527,098 Value ($000) $9,896,265 Avg Close $17.15 Range $13.30 - $19.70

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	4,245,299	$12,099	$3.68	$2.77 - $4.74
Q2 2020	4,185,687	$14,525	$3.45	$1.61 - $6.33
Q1 2020	9,454,457	$22,218	$6.47	$1.80 - $10.95
Q4 2019	10,543,437	$110,705	$9.05	$7.67 - $10.80
Q3 2019	9,950,536	$85,078	$9.81	$7.87 - $12.15
Q2 2019	6,880,727	$79,197	$12.87	$10.07 - $16.27
Q1 2019	6,173,810	$86,556	$13.11	$9.85 - $14.79
Q4 2018	5,105,970	$52,847	$14.74	$9.49 - $18.24
Q3 2018	3,956,667	$67,699	$17.18	$14.60 - $19.29
Q2 2018	2,605,717	$46,903	$20.05	$16.61 - $23.99
Q1 2018	2,461,770	$43,106	$20.88	$16.82 - $25.03
Q4 2017	832,488	$19,156	$20.72	$17.24 - $23.26
Q3 2017	720,758	$15,093	$18.42	$14.83 - $21.74
Q2 2017	608,692	$12,289	$21.79	$19.06 - $25.75
Q1 2017	259,743	$6,304	$26.97	$22.83 - $29.76
Q4 2016	331,361	$8,920	$24.70	$20.79 - $29.56
Q3 2016	399,577	$8,939	$20.07	$17.61 - $22.66
Q2 2016	392,771	$8,374	$18.84	$16.06 - $22.12
Q1 2016	405,977	$7,154	$14.91	$10.94 - $18.75
Q4 2015	442,302	$6,670	$15.38	$12.82 - $17.45
Q3 2015	581,381	$7,639	$15.85	$12.97 - $18.80
Q2 2015	581,725	$10,945,156	$20.74	$18.30 - $23.11
Q1 2015	527,098	$9,896,265	$17.15	$13.30 - $19.70