NL INDUSTRIES INC — Director's Dealing 2005

Apr 19, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMPX INTERNATIONAL INC (CIX)
CIK: 0001049606
Period of Report: 2005-04-15

Reporting Person: CONTRAN CORP (10% Owner)
Reporting Person: VALHI INC /DE/ (10% Owner)
Reporting Person: DIXIE RICE AGRICULTURE CORP INC (10% Owner)
Reporting Person: SOUTHWEST LOUISIANA LAND CO INC (10% Owner)
Reporting Person: TIMET FINANCE MANAGEMENT CO (10% Owner)
Reporting Person: TITANIUM METALS CORP (10% Owner)
Reporting Person: NATIONAL CITY LINES INC (10% Owner)
Reporting Person: NL INDUSTRIES INC (10% Owner)
Reporting Person: CompX Group, Inc. (10% Owner)
Reporting Person: SIMMONS HAROLD C (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-04-15	Class A Common Stock $0.01 par value	J	1600	$15.5	Acquired	364600	Indirect
2005-04-18	Class A Common Stock $0.01 par value	J	1400	$15.5	Acquired	366000	Indirect
2005-04-19	Class A Common Stock $0.01 par value	J	12000	$15.5	Acquired	378000	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock $0.01 par value	2586820	Indirect

Footnotes

F1: Open market purchase 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.

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 CompX Group, 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.