PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q4 2025

Shares 14,041 Value ($000) $86 Avg Close $5.97 Range $5.15 - $6.97

Q3 2025

Shares 14,041 Value ($000) $73 Avg Close $5.75 Range $5.10 - $6.69

Q2 2025

Shares 14,041 Value ($000) $83 Avg Close $6.02 Range $5.12 - $8.60

Q1 2025

Shares 10,441 Value ($000) $86 Avg Close $8.39 Range $7.03 - $9.57

Q2 2017

Shares 527 Value ($000) $10 Avg Close $21.79 Range $19.06 - $25.75

Q1 2017

Shares 527 Value ($000) $12 Avg Close $26.97 Range $22.83 - $29.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,041	$86	$5.97	$5.15 - $6.97
Q3 2025	14,041	$73	$5.75	$5.10 - $6.69
Q2 2025	14,041	$83	$6.02	$5.12 - $8.60
Q1 2025	10,441	$86	$8.39	$7.03 - $9.57
Q2 2017	527	$10	$21.79	$19.06 - $25.75
Q1 2017	527	$12	$26.97	$22.83 - $29.76