NOV Inc. — Director's Dealing 2012

Mar 12, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NATIONAL OILWELL VARCO INC (NOV)
CIK: 0001021860
Period of Report: 2012-03-09

Reporting Person: MATTSON ERIC L (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-03-09	Common Stock	M	6690	$11.74	Acquired	52696	Direct
2012-03-09	Common Stock	M	6690	$12.56	Acquired	59386	Direct
2012-03-09	Common Stock	M	15000	$20.815	Acquired	74386	Direct
2012-03-09	Common Stock	S	28380	$82.356	Disposed	46006	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-03-09	Non-Qualified Stock Option (right to buy)	$20.815	M	15000	Disposed	2015-05-19	Common Stock (15000)	Direct
2012-03-09	Stock Option (right to buy)	$11.74	M	6690	Disposed	2012-05-16	Common Stock (6690)	Direct
2012-03-09	Stock Option (right to buy)	$12.56	M	6690	Disposed	2013-05-15	Common Stock (6690)	Direct