Whitestone REIT, at its annual meeting of shareholders held on May 13, 2021, James C. Mastandrea tendered an offer to resign as trustee to the Nominating and Corporate Governance Committee of the Board on May 13, 2021. The Nominating and Corporate Governance Committee of the Board and the Board will take the offer to resign under advisement and will publicly disclose the decision regarding the tendered resignation and the reasons therefor in accordance with the Company’s Corporate Governance Guidelines.