Lorne Phillips - Oct 1, 2021 Form 4 Insider Report for PIONEER ENERGY SERVICES LLC (*)

Role: EVP , CFO
Signature: Kurt Forkheim, Attorney-in-fact for Lorne E. Phillips
Stock symbol: *
Transactions as of: Oct 1, 2021
Transactions value $: $0
Form type: 4
Date filed: 10/4/2021, 08:52 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	*	Common Stock	Disposed to Issuer		-90.6K	-100%		0	Oct 1, 2021	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Lorne Phillips is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	Represents 731 shares of common stock that were converted into 1,366 shares of Patterson-UTI Energy, Inc. ("Patterson-UTI") common stock and 89,856 shares of restricted stock that were converted into 167,958 shares of Patterson-UTI restricted stock, which vested and settled after the closing of the transactions contemplated by that certain agreement and plan of merger by and between Pioneer Energy Services Corp., Patterson-UTI, Crescent Merger Sub Inc. and Crescent Ranch Second Merger Sub LLC.

Content

Represents 731 shares of common stock that were converted into 1,366 shares of Patterson-UTI Energy, Inc. ("Patterson-UTI") common stock and 89,856 shares of restricted stock that were converted into 167,958 shares of Patterson-UTI restricted stock, which vested and settled after the closing of the transactions contemplated by that certain agreement and plan of merger by and between Pioneer Energy Services Corp., Patterson-UTI, Crescent Merger Sub Inc. and Crescent Ranch Second Merger Sub LLC.

Remarks:

* The Company is not currently listed on any exchange or on the OTC market and therefore does not have a symbol.