PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Lombard Odier Asset Management (Europe) Ltd's Holding History (CIK: 0001535784)

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

Q3 2014

Shares 61,585 Value ($000) $2,003 Avg Close $33.96 Range $31.12 - $38.43

Q2 2014

Shares 40,285 Value ($000) $1,408 Avg Close $32.83 Range $30.24 - $35.42

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	61,585	$2,003	$33.96	$31.12 - $38.43
Q2 2014	40,285	$1,408	$32.83	$30.24 - $35.42