On October 19, 2021, the Board of Directors of Horizon Acquisition Corporation II appointed Stephen Sautel and Zachary Warren as independent members of the Board, effective October 19, 2021. Effective October 19, 2021 Mr. Sautel and Mr. Warren will each serve as Class III directors. Mr. Sautel will serve on the Board's Audit Committee in accordance with the corporate governance standards of the New York Stock Exchange, which require the company to have a fully independent Audit Committee comprised of at least three members by the one-year anniversary of the company's initial public offering. Mr. Sautel has served as a director of Essential Properties Realty Trust Inc. since its IPO in 2018. Mr. Sautel is a private investor, and he serves on the board of several private companies engaged in diverse businesses, including business services, manufacturing, distribution, institutional investment management and residential real estate. Since December 2017, Mr. Sautel has served as a director of CBAM Holdings, LLC, a private company that is an affiliate of Eldridge Industries LLC and is engaged in managing corporate credit. Mr. Warren most recently served as Senior Managing Director and Portfolio Manager at Guggenheim Partners. Mr. Warren, a 17-year Guggenheim veteran, ran the firm's private debt investing activities and served on the Corporate Credit Investment Committee. As part of the Committee, Mr. Warren led the firm's investment activities in high yield bonds, leveraged loans, and private debt. Prior to Guggenheim, Mr. Warren was a VP at Bear Stearns in equity research. Mr. Warren is a graduate of the College of William and Mary and the Anderson School of Business at UCLA.