NL INDUSTRIES INC — Director's Dealing 2004

Mar 1, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NL INDUSTRIES INC (NL)
CIK: 0000072162
Period of Report: 2004-02-26

Reporting Person: SIMMONS GLENN R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-02-26	Common Stock $0.125 par value	M	2000	$5.185	Acquired	10000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-02-26	Non-Qualified Stock Option (right to buy)	$5.185	M	2000	Disposed	2007-02-01	Common Stock $0.125 par value (2000)	Direct

Footnotes

F1: Exercise of stock options granted pursuant to the NL Industries, Inc. 1998 Long-Term Incentive Plan.