NOV Inc. — Director's Dealing 2010

Sep 30, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NATIONAL OILWELL VARCO INC (NOV)
CIK: 0001021860
Period of Report: 2010-09-30

Reporting Person: MILLER MERRILL A JR (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-09-30	Common Stock	M	42667	$29.125	Acquired	628264	Direct
2010-09-30	Common Stock	M	66666	$25.96	Acquired	694930	Direct
2010-09-30	Common Stock	S	109333	$44.9597	Disposed	585597	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-09-30	Non-Qualified Stock Option (right to buy)	$25.96	M	66666	Disposed	2019-02-21	Common Stock (66666)	Direct
2010-09-30	Non-Qualified Stock Option (right to buy)	$29.125	M	42667	Disposed	2015-10-13	Common Stock (42667)	Direct

Footnotes

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