PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

LORD, ABBETT & CO. LLC's Holding History (CIK: 0000728100)

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

Q3 2018

Shares 582,916 Value ($000) $9,974 Avg Close $17.18 Range $14.60 - $19.29

Q2 2018

Shares 814,316 Value ($000) $14,658 Avg Close $20.05 Range $16.61 - $23.99

Q1 2018

Shares 782,016 Value ($000) $13,693 Avg Close $20.88 Range $16.82 - $25.03

Q4 2017

Shares 1,234,616 Value ($000) $28,409 Avg Close $20.72 Range $17.24 - $23.26

Q3 2017

Shares 1,515,616 Value ($000) $31,737 Avg Close $18.42 Range $14.83 - $21.74

Q2 2017

Shares 1,217,216 Value ($000) $24,576 Avg Close $21.79 Range $19.06 - $25.75

Q1 2017

Shares 1,146,303 Value ($000) $27,821 Avg Close $26.97 Range $22.83 - $29.76

Q4 2016

Shares 2,040,819 Value ($000) $54,939 Avg Close $24.70 Range $20.79 - $29.56

Q3 2016

Shares 2,413,298 Value ($000) $53,985 Avg Close $20.07 Range $17.61 - $22.66

Q2 2016

Shares 2,696,487 Value ($000) $57,489 Avg Close $18.84 Range $16.06 - $22.12

Q1 2016

Shares 1,793,384 Value ($000) $31,599 Avg Close $14.91 Range $10.94 - $18.75

Q4 2015

Shares 1,729,884 Value ($000) $26,087 Avg Close $15.38 Range $12.82 - $17.45

Q3 2015

Shares 1,476,401 Value ($000) $19,400 Avg Close $15.85 Range $12.97 - $18.80

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	582,916	$9,974	$17.18	$14.60 - $19.29
Q2 2018	814,316	$14,658	$20.05	$16.61 - $23.99
Q1 2018	782,016	$13,693	$20.88	$16.82 - $25.03
Q4 2017	1,234,616	$28,409	$20.72	$17.24 - $23.26
Q3 2017	1,515,616	$31,737	$18.42	$14.83 - $21.74
Q2 2017	1,217,216	$24,576	$21.79	$19.06 - $25.75
Q1 2017	1,146,303	$27,821	$26.97	$22.83 - $29.76
Q4 2016	2,040,819	$54,939	$24.70	$20.79 - $29.56
Q3 2016	2,413,298	$53,985	$20.07	$17.61 - $22.66
Q2 2016	2,696,487	$57,489	$18.84	$16.06 - $22.12
Q1 2016	1,793,384	$31,599	$14.91	$10.94 - $18.75
Q4 2015	1,729,884	$26,087	$15.38	$12.82 - $17.45
Q3 2015	1,476,401	$19,400	$15.85	$12.97 - $18.80