On February 27, 2020, Paul A. Reeder, a director of the Board of Directors (the Board") of Diamond Hill Investment Group, Inc. (the Company"), notified the Company that he will be retiring from the Board at the conclusion of his current term which ends in conjunction with the Company's Annual Meeting of Shareholders to be held on April 28, 2020 (the Annual Meeting"). In connection with his retirement, he requested that the Company not nominate him for re-election at the Annual Meeting.