PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

FERGUSON WELLMAN CAPITAL MANAGEMENT, INC's Holding History (CIK: 0000869353)

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

Q3 2014

Shares 8,050 Value ($000) $262 Avg Close $33.96 Range $31.12 - $38.43

Q2 2014

Shares 7,540 Value ($000) $263 Avg Close $32.83 Range $30.24 - $35.42

Q1 2014

Shares 12,700 Value ($000) $402 Avg Close $27.81 Range $24.37 - $31.95

Q4 2013

Shares 19,000 Value ($000) $481 Avg Close $23.93 Range $21.29 - $26.09

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	8,050	$262	$33.96	$31.12 - $38.43
Q2 2014	7,540	$263	$32.83	$30.24 - $35.42
Q1 2014	12,700	$402	$27.81	$24.37 - $31.95
Q4 2013	19,000	$481	$23.93	$21.29 - $26.09