PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

Assenagon Asset Management S.A.'s Holding History (CIK: 0001546007)

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

Q4 2018

Shares 189,478 Value ($000) $1,961 Avg Close $14.74 Range $9.49 - $18.24

Q3 2018

Shares 35,488 Value ($000) $607 Avg Close $17.18 Range $14.60 - $19.29

Q2 2018

Shares 165,135 Value ($000) $2,972 Avg Close $20.05 Range $16.61 - $23.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	189,478	$1,961	$14.74	$9.49 - $18.24
Q3 2018	35,488	$607	$17.18	$14.60 - $19.29
Q2 2018	165,135	$2,972	$20.05	$16.61 - $23.99