PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

GLUSKIN SHEFF & ASSOC INC's Holding History (CIK: 0000905790)

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

Q4 2017

Shares 67,690 Value ($000) $1,558 Avg Close $20.72 Range $17.24 - $23.26

Q3 2017

Shares 38,090 Value ($000) $798 Avg Close $18.42 Range $14.83 - $21.74

Q2 2017

Shares 11,740 Value ($000) $237 Avg Close $21.79 Range $19.06 - $25.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	67,690	$1,558	$20.72	$17.24 - $23.26
Q3 2017	38,090	$798	$18.42	$14.83 - $21.74
Q2 2017	11,740	$237	$21.79	$19.06 - $25.75