PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Itau Unibanco Holding S.A.'s Holding History (CIK: 0001132597)

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

Q1 2020

Shares 5,442 Value ($000) $13 Avg Close $6.47 Range $1.80 - $10.95

Q1 2018

Shares 753 Value ($000) $13 Avg Close $20.88 Range $16.82 - $25.03

Q4 2017

Shares 2,203 Value ($000) $51 Avg Close $20.72 Range $17.24 - $23.26

Q3 2017

Shares 4,198 Value ($000) $278 Avg Close $18.42 Range $14.83 - $21.74

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	5,442	$13	$6.47	$1.80 - $10.95
Q1 2018	753	$13	$20.88	$16.82 - $25.03
Q4 2017	2,203	$51	$20.72	$17.24 - $23.26
Q3 2017	4,198	$278	$18.42	$14.83 - $21.74