NL INDUSTRIES INC — Director's Dealing 2011

Sep 9, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NL INDUSTRIES INC (NL)
CIK: 0000072162
Period of Report: 2011-09-09

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
2011-09-09	Common stock $0.125 par value	P	200	$12.894	Acquired	318380	Indirect
2011-09-09	Common stock $0.125 par value	P	575	$12.90	Acquired	318955	Indirect
2011-09-09	Common stock $0.125 par value	P	300	$12.91	Acquired	319255	Indirect
2011-09-09	Common stock $0.125 par value	P	200	$12.98	Acquired	319455	Indirect
2011-09-09	Common stock $0.125 par value	P	100	$12.99	Acquired	319555	Indirect
2011-09-09	Common stock $0.125 par value	P	3625	$13.00	Acquired	323180	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common stock $0.125 par value	40387531	Indirect
Common stock $0.125 par value	1052054	Direct
Common stock $0.125 par value	222100	Indirect
Common stock $0.125 par value	2000	Indirect

Footnotes

F1: Open market purchase by the reporting person's spouse.

F2: Directly held by the reporting person's spouse. The reporting person disclaims beneficial ownership of any shares of the issuer's common stock that his spouse holds.

F3: 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.

F4: 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.

F5: Directly held by Kronos Worldwide, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationship to the reporting person.