NOV Inc. — Director's Dealing 2012

Feb 21, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NATIONAL OILWELL VARCO INC (NOV)
CIK: 0001021860
Period of Report: 2012-02-21

Reporting Person: REESE MARK A (Group President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-21	Common Stock	M	13334	$25.96	Acquired	63277	Direct
2012-02-21	Common Stock	S	756	$84.71	Disposed	62521	Direct
2012-02-21	Common Stock	S	12578	$84.7	Disposed	49943	Direct
2012-02-21	Common Stock	A	10100	—	Acquired	60043	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-21	Non-Qualified Stock Option (right to buy)	$25.96	M	13334	Disposed	2019-02-21	Common Stock (13334)	Direct
2012-02-21	Non-Qualified Stock Option (right to buy)	$84.58	A	29000	Acquired	2022-02-22	Common Stock (29000)	Direct

Footnotes

F1: Options vest in three (3) equal annual installments commencing on the date indicated.