PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

GLOBEFLEX CAPITAL L P's Holding History (CIK: 0000921531)

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

Q4 2014

Shares 34,837 Value ($000) $578 Avg Close $21.10 Range $14.01 - $33.28

Q3 2014

Shares 112,437 Value ($000) $3,658 Avg Close $33.96 Range $31.12 - $38.43

Q2 2014

Shares 96,010 Value ($000) $3,354 Avg Close $32.83 Range $30.24 - $35.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	34,837	$578	$21.10	$14.01 - $33.28
Q3 2014	112,437	$3,658	$33.96	$31.12 - $38.43
Q2 2014	96,010	$3,354	$32.83	$30.24 - $35.42