X0206 3 2014-03-26 0 0001175535 Whitestone REIT WSR 0001603592 Mastandrea Christine J 2600 S. GESSNER, SUITE 500 HOUSTON TX 77063 0 1 0 0 VP Strategy & Mkt Research Common Shares 114823 I By Spouse Units Common Shares 234637 I By Spouse The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. Units of limited partnership interest ("Units") of Whitestone REIT Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), which are currently redeemable for cash or, at Whitestone REIT's option, for Common Shares of Whitestone REIT on a one-for-one basis. None. /s/ David K. Holeman, Attorney-in-Fact for Christine J. Mastandrea 2014-03-26