Mr. Boxley served as President and Chief Executive Officer of Boxley Materials Company from 1988 through its acquisition by Summit Materials Inc. ( Summit Materials ) in 2016 and continuing until 2018. Mr. Boxley then served as Summit Materials Regional Vice President and later as its Executive Vice President until his retirement in 2021. He currently serves as a consultant to Summit Materials and as President of Boxley Family, LLC and Chairman of Boxley Ready Mix, LLC, both private companies. In addition to our Board, Mr. Boxley serves on the boards of two other public companies: Pinnacle Financial Partners, Inc. and RGC Resources, Inc., as well as on a number of non-profit boards. Our Board determined that Mr. Boxley should continue to serve as a director because of his in-depth knowledge of the construction aggregates business, a business that is related to ours, and because he brings to our Board his experience as a Chief Executive Officer of a substantial business enterprise and his experience as a director of two other public companies.