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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
889900	Patterson Uti Energy Inc	PTEN	Drilling Oil & Gas Wells (1381)	752504748

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
919501	S Mark Siegel	1801 Century Park East Suite 1111 Los Angeles CA 90067	Chairman Of The Board	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, $.01 Par Value Per Share	Acquisiton	2014-04-25	120,000	$19.14	1,041,966	No	4	M	Direct
Common Stock, $.01 Par Value Per Share	Disposition	2014-04-25	96,705	$32.22	945,261	No	4	F	Direct
Common Stock, $.01 Par Value Per Share	Disposition	2014-04-26	1,378	$32.22	943,883	No	4	F	Direct
Common Stock, $.01 Par Value Per Share	Disposition	2014-04-29	225,000	$32.54	775,000	No	4	S	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	F	Direct
No	4	F	Direct
No	4	S	Indirect	See Footnote

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock, $.01 Par Value Per Share	Stock Option (Right to Buy)	Disposition	2014-04-25	120,000	$0.00	120,000	$19.14

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2007-04-28	2014-04-27	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock, $.01 Par Value Per Share	49,900	Indirect	By Trust(s)

Footnotes

Acquired upon exercise of option that would have expired April 27, 2014. Net exercise effected pursuant to a Rule 10b5-1 Sales Plan that provides for an automatic net exercise on the regular market trading date immediately preceding the expiration date for the option.
Shares disposed to pay exercise price and applicable withholding taxes related to option exercised on April 25, 2014.
Shares disposed to pay applicable withholding taxes on restricted stock vested on 04/26/2014.
Shares owned by Remy Capital Partners III, L.P. Mr. Siegel is the sole stockholder of the general partner of Remy Capital Partners III, L.P.
Weighted average price. Actual sales prices ranged from $32.215 to $32.850.
Held by trust(s) for which the reporting person is the trustee.