PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Rubric Capital Management LP's Holding History (CIK: 0001687509)

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

Q4 2017

Shares 513,768 Value ($000) $11,822 Avg Close $20.72 Range $17.24 - $23.26

Q3 2017

Shares 793,000 Value ($000) $16,605 Avg Close $18.42 Range $14.83 - $21.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	513,768	$11,822	$20.72	$17.24 - $23.26
Q3 2017	793,000	$16,605	$18.42	$14.83 - $21.74