On March 13, 2020, Kelly D. Luttmer, executive vice president and chief tax officer of the CompX International Inc., provided notice that, effective as of June 1, 2020, she will retire as an officer. In connection with her retirement, Ms. Luttmer has also provided notice to Valhi Inc. (“Valhi”), Kronos Worldwide Inc., and NL Industries Inc. (“NL”), affiliates of the registrant, that she will also retire as an officer of those companies as of such date. Following such retirements, Ms. Luttmer will continue to be employed by Contran Corporation (“Contran”), the privately-held parent corporation of the registrant, and will continue to serve as executive vice president and chief tax officer of Contran. Following such retirement notice of Ms. Luttmer, the registrant’s board of directors took action, also effective as of June 1, 2020, to: elect Darci B. Scott as vice president, tax of the registrant; and designate Ms. Scott as an executive officer of the registrant. Ms. Scott, age 45, has served in various tax accounting positions with various companies related to the registrant and Contran since 2006 and currently serves as vice president, tax of Valhi. Beginning June 1, 2020, she will also serve as an executive officer of NL as its vice president, tax and of Valhi as its vice president, tax – financial reporting.