PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

MOODY NATIONAL BANK TRUST DIVISION's Holding History (CIK: 0001092903)

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

Q2 2016

Shares 13,705 Value ($000) $293 Avg Close $18.84 Range $16.06 - $22.12

Q1 2016

Shares 13,705 Value ($000) $242 Avg Close $14.91 Range $10.94 - $18.75

Q4 2015

Shares 13,705 Value ($000) $207 Avg Close $15.38 Range $12.82 - $17.45

Q3 2015

Shares 13,705 Value ($000) $180 Avg Close $15.85 Range $12.97 - $18.80

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	13,705	$293	$18.84	$16.06 - $22.12
Q1 2016	13,705	$242	$14.91	$10.94 - $18.75
Q4 2015	13,705	$207	$15.38	$12.82 - $17.45
Q3 2015	13,705	$180	$15.85	$12.97 - $18.80