PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Nippon Life Global Investors Americas, Inc.'s Holding History (CIK: 0001040190)

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

Q1 2018

Shares 19,750 Value ($000) $346 Avg Close $20.88 Range $16.82 - $25.03

Q4 2017

Shares 19,750 Value ($000) $454 Avg Close $20.72 Range $17.24 - $23.26

Q3 2017

Shares 19,750 Value ($000) $414 Avg Close $18.42 Range $14.83 - $21.74

Q2 2017

Shares 19,750 Value ($000) $399 Avg Close $21.79 Range $19.06 - $25.75

Q1 2017

Shares 65,640 Value ($000) $1,593 Avg Close $26.97 Range $22.83 - $29.76

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	19,750	$346	$20.88	$16.82 - $25.03
Q4 2017	19,750	$454	$20.72	$17.24 - $23.26
Q3 2017	19,750	$414	$18.42	$14.83 - $21.74
Q2 2017	19,750	$399	$21.79	$19.06 - $25.75
Q1 2017	65,640	$1,593	$26.97	$22.83 - $29.76