PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Ballentine Partners, LLC's Holding History (CIK: 0001374889)

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

Q1 2020

Shares 10,111 Value ($000) $24 Avg Close $6.47 Range $1.80 - $10.95

Q4 2017

Shares 9,391 Value ($000) $216 Avg Close $20.72 Range $17.24 - $23.26

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	10,111	$24	$6.47	$1.80 - $10.95
Q4 2017	9,391	$216	$20.72	$17.24 - $23.26