PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q3 2014

Shares 16,453 Value ($000) $535 Avg Close $33.96 Range $31.12 - $38.43

Q2 2014

Shares 37,061 Value ($000) $1,295 Avg Close $32.83 Range $30.24 - $35.42

Q1 2014

Shares 37,061 Value ($000) $1,174 Avg Close $27.81 Range $24.37 - $31.95

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	16,453	$535	$33.96	$31.12 - $38.43
Q2 2014	37,061	$1,295	$32.83	$30.24 - $35.42
Q1 2014	37,061	$1,174	$27.81	$24.37 - $31.95