PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

DISCOVERY CAPITAL MANAGEMENT, LLC / CT's Holding History (CIK: 0001389507)

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

Q4 2016

Shares 1,270,500 Value ($000) $34,202 Avg Close $24.70 Range $20.79 - $29.56

Q2 2014

Shares 456,000 Value ($000) $15,933 Avg Close $32.83 Range $30.24 - $35.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	1,270,500	$34,202	$24.70	$20.79 - $29.56
Q2 2014	456,000	$15,933	$32.83	$30.24 - $35.42