PRESS RELEASE CONTACT: CompX International Inc. Joseph S. Compofelice 200 Old Mill Road Chief Executive Officer Mauldin, South Carolina 29662 (281) 423-3303 COMPX ANNOUNCES CLOSING OF ITS INITIAL PUBLIC OFFERING MAULDIN, SOUTH CAROLINA ... March 11, 1998 ... CompX International Inc. (NYSE: CIX) announced today the closing of its initial public offering of 5,980,000 shares of its Class A Common Stock at an initial offering price of $20 per share, including 780,000 shares sold pursuant to an over-allotment option, through an underwriting group managed by Salomon Smith Barney. All of the shares are being sold by CompX and result in net proceeds to the Company of approximately $111 million. CompX is a leading manufacturer of ergonomic computer support systems, precision ball bearing drawer slides and locking systems. * * * * *