NL INDUSTRIES INC — Director's Dealing 2008

Mar 11, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NL INDUSTRIES INC (NL)
CIK: 0000072162
Period of Report: 2008-03-07

Reporting Person: SIMMONS HAROLD C (Director, Chairman of the Board & CEO, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-03-07	Common stock $0.125 par value	P	400	$9.95	Acquired	840000	Direct
2008-03-07	Common stock $0.125 par value	P	200	$9.96	Acquired	840200	Direct
2008-03-07	Common stock $0.125 par value	P	1000	$9.97	Acquired	841200	Direct
2008-03-07	Common stock $0.125 par value	P	700	$9.98	Acquired	841900	Direct
2008-03-07	Common stock $0.125 par value	P	1000	$9.99	Acquired	842900	Direct
2008-03-07	Common stock $0.125 par value	P	100	$9.91	Acquired	843000	Direct
2008-03-07	Common stock $0.125 par value	P	16600	$10	Acquired	859600	Direct
2008-03-10	Common stock $0.125 par value	P	10000	$9.5	Acquired	869600	Direct
2008-03-11	Common stock $0.125 par value	P	200	$9.8	Acquired	869800	Direct
2008-03-11	Common stock $0.125 par value	P	5100	$9.85	Acquired	874900	Direct
2008-03-11	Common stock $0.125 par value	P	200	$9.92	Acquired	875100	Direct
2008-03-11	Common stock $0.125 par value	P	100	$9.91	Acquired	875200	Direct
2008-03-11	Common stock $0.125 par value	P	4400	$9.95	Acquired	879600	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common stock $0.125 par value	40387531	Indirect
Common stock $0.125 par value	222100	Indirect
Common stock $0.125 par value	269775	Indirect

Footnotes

F1: Directly held by Valhi, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the
relationship to the reporting person.

F2: Directly held by TIMET Finance Management Company. See the Additional Information filed as Exhibit 99 to this statement for
a description of the relationship to the reporting person.

F3: Directly held by the reporting person's spouse. The reporting person disclaims beneficial ownership of these shares