NL INDUSTRIES INC — Director's Dealing 2007

Dec 20, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NL INDUSTRIES INC (NL)
CIK: 0000072162
Period of Report: 2007-12-18

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-12-18	Common Stock $0.125 par value	P	400	$9.79	Acquired	611900	Direct
2007-12-18	Common Stock $0.125 par value	P	200	$9.78	Acquired	612100	Direct
2007-12-18	Common Stock $0.125 par value	P	100	$9.80	Acquired	612200	Direct
2007-12-18	Common Stock $0.125 par value	P	300	$9.85	Acquired	612500	Direct
2007-12-18	Common Stock $0.125 par value	P	100	$9.89	Acquired	612600	Direct
2007-12-18	Common Stock $0.125 par value	P	700	$9.90	Acquired	613300	Direct
2007-12-18	Common Stock $0.125 par value	P	100	$9.95	Acquired	613400	Direct
2007-12-18	Common Stock $0.125 par value	P	200	$9.98	Acquired	613600	Direct
2007-12-18	Common Stock $0.125 par value	P	3300	$9.99	Acquired	616900	Direct
2007-12-18	Common Stock $0.125 par value	P	300	$9.93	Acquired	617200	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
relationships among the persons joining in this filing.

F2: Directly held by TIMET Finance Management Company. See the Additional Information filed as Exhibit 99 to this statement for
a description of the relationships among the persons joining in this filing.

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