PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

ROYAL LONDON ASSET MANAGEMENT LTD's Holding History (CIK: 0000863748)

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

Q4 2014

Shares 45,500 Value ($000) $7,651 Avg Close $21.10 Range $14.01 - $33.28

Q3 2014

Shares 35,957 Value ($000) $1,190 Avg Close $33.96 Range $31.12 - $38.43

Q2 2014

Shares 34,191 Value ($000) $1,153 Avg Close $32.83 Range $30.24 - $35.42

Q1 2014

Shares 34,325 Value ($000) $1,116 Avg Close $27.81 Range $24.37 - $31.95

Q4 2013

Shares 36,767 Value ($000) $933 Avg Close $23.93 Range $21.29 - $26.09

Q3 2013

Shares 35,391 Value ($000) $779 Avg Close $20.54 Range $18.83 - $22.41

Q2 2013

Shares 35,391 Value ($000) $688 Avg Close $21.83 Range $18.96 - $25.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	45,500	$7,651	$21.10	$14.01 - $33.28
Q3 2014	35,957	$1,190	$33.96	$31.12 - $38.43
Q2 2014	34,191	$1,153	$32.83	$30.24 - $35.42
Q1 2014	34,325	$1,116	$27.81	$24.37 - $31.95
Q4 2013	36,767	$933	$23.93	$21.29 - $26.09
Q3 2013	35,391	$779	$20.54	$18.83 - $22.41
Q2 2013	35,391	$688	$21.83	$18.96 - $25.12