NL Industries, Inc. announced that on March 13, 2020, Kelly D. Luttmer, executive vice president and chief tax officer of the registrant, provided notice to the registrant that, effective as of June 1, 2020, she will retire as an officer of the registrant. 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 CompX as its vice president, tax and of Valhi as its vice president, tax – financial reporting.