PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Alberta Investment Management Corp's Holding History (CIK: 0001463559)

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

Q3 2017

Shares 33,300 Value ($000) $697 Avg Close $18.42 Range $14.83 - $21.74

Q2 2017

Shares 25,800 Value ($000) $521 Avg Close $21.79 Range $19.06 - $25.75

Q1 2017

Shares 9,300 Value ($000) $226 Avg Close $26.97 Range $22.83 - $29.76

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	33,300	$697	$18.42	$14.83 - $21.74
Q2 2017	25,800	$521	$21.79	$19.06 - $25.75
Q1 2017	9,300	$226	$26.97	$22.83 - $29.76