PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q2 2015

Shares 271,389 Value ($000) $5,106 Avg Close $20.74 Range $18.30 - $23.11

Q1 2015

Shares 203,566 Value ($000) $3,822 Avg Close $17.15 Range $13.30 - $19.70

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	271,389	$5,106	$20.74	$18.30 - $23.11
Q1 2015	203,566	$3,822	$17.15	$13.30 - $19.70