PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

TOWLE & CO's Holding History (CIK: 0001224014)

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

Q4 2013

Shares 401,026 Value ($000) $10,154 Avg Close $23.93 Range $21.29 - $26.09

Q3 2013

Shares 393,936 Value ($000) $8,422 Avg Close $20.54 Range $18.83 - $22.41

Q2 2013

Shares 403,365 Value ($000) $7,807 Avg Close $21.83 Range $18.96 - $25.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	401,026	$10,154	$23.93	$21.29 - $26.09
Q3 2013	393,936	$8,422	$20.54	$18.83 - $22.41
Q2 2013	403,365	$7,807	$21.83	$18.96 - $25.12