PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

COMMERZBANK AKTIENGESELLSCHAFT /FI's Holding History (CIK: 0000852933)

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

Q2 2013

Shares 29,854 Value ($000) $578 Avg Close $21.83 Range $18.96 - $25.12

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2013	29,854	$578	$21.83	$18.96 - $25.12