On September 10, 2021, the Board of Directors of AdvanSix Inc. (the “Company”) appointed Gena C. Lovett to the Board effective immediately. Ms. Lovett was also appointed to serve on the Nominating and Governance Committee and the Health, Safety, Environmental and Sustainability Committee of the Board. Ms. Lovett qualifies as independent under the listing standards of the New York Stock Exchange (“NYSE”) and the Company’s Corporate Governance Guidelines. The appointment of Ms. Lovett increases the size of the Board to nine members with eight members qualifying as independent under the NYSE listing standards.