Mr. Zernikow served in various capacities with Nucor Corporation ( Nucor ), the nation s largest steel producer, for 22 years, most recently as General Manager of Commercial from 2020 to 2022. Prior to that, he was the Commercial Director of the Engineered Bar Group from 2018 to 2020, the National Sales Manager of the Nucor Cold Finish Group in Darlington, South Carolina, from 2014 to 2018, and the Plant Manager of Nucor Cold Finish in Darlington, South Carolina, from 2009 to 2014. Earlier in his career, he held various positions at USS Kobe Steel Company and Norwest Financial. Presently, Mr. Zernikow is a strategic business advisor within the steel industry. Our Board determined that Mr. Zernikow should continue to serve as a director because of his extensive commercial and operational experience as a senior executive in the steel industry.