NL Industries, Inc. announced that Courtney J. Riley has been elected, effective June 1, 2021, as president and chief executive officer of the company by the company's board of directors. Upon Ms. Riley's election, Robert D. Graham, who previously served as vice chairman of the board and chief executive officer of the registrant, ceased to serve as chief executive officer of the registrant but continued as its vice chairman of the board. Also effective June 1, 2021, Amy E. Ruf has been elected as vice president and controller of the registrant. Upon Ms. Ruf's election, Patty S. Brinda, who previously served as vice president and controller of the company, ceased to be an officer of the company. On June 1, 2021, Ms. Brinda became vice president and controller of the company's affiliate Valhi, Inc.
NL Industries, Inc. is a holding company. The Company operate in the component products industry through its subsidiary, CompX International Inc. (CompX). CompX manufactures engineered components that are sold to a variety of industries. Through its Security Products operations, CompX manufactures mechanical and electronic cabinet locks and other locking mechanisms used in postal, recreational transportation, office and institutional furniture, cabinetry, tool storage and healthcare applications. CompX also manufactures wake enhancement systems, stainless steel exhaust systems, gauges, throttle controls, trim tabs and related hardware and accessories for the recreational marine and other industries through its Marine Components operations. It also operates in the chemicals industry through its noncontrolling interest in Kronos Worldwide, Inc. (Kronos). Kronos is a global producer and marketer of value-added titanium dioxide pigments (TiO2), a base industrial product.
NL INDUSTRIES, INC. 
