PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

DONALD SMITH & CO., INC.'s Holding History (CIK: 0000814375)

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

Q4 2013

Shares 275,973 Value ($000) $6,988 Avg Close $23.93 Range $21.29 - $26.09

Q3 2013

Shares 275,913 Value ($000) $5,899 Avg Close $20.54 Range $18.83 - $22.41

Q2 2013

Shares 276,005 Value ($000) $5,342 Avg Close $21.83 Range $18.96 - $25.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	275,973	$6,988	$23.93	$21.29 - $26.09
Q3 2013	275,913	$5,899	$20.54	$18.83 - $22.41
Q2 2013	276,005	$5,342	$21.83	$18.96 - $25.12