X0306 4 2013-10-01 0001507881 USMD Holdings, Inc. USMD 0001557044 Johnston Richard C. 7301 SUMMITVIEW IRVING TX 75063 0 1 0 0 Chief Physician Officer Common Stock ($.01 par) 2555 D Common Stock ($.01 par) 2013-10-01 4 L 0 449 26.51 A 23864 I Indirectly held through UANT Ventures, L.P. Common Stock ($.01 par) 397 I Indirectly held through Las Colinas Medical Group UANT Ventures, L.P. ("Ventures") holds shares of the common stock of USMD Holdings, Inc. ("USMD"). Dr. Johnston is a limited partner in Ventures and, consequently, is the indirect beneficial owner of his proportionate share of such shares. Certain partners of Ventures, including Dr. Johnston, previously contributed additional capital to the partnership (or its predecessors) for which they did not, at that time, receive additional equity interests. The partners of Ventures have agreed to reallocate the partnership interests in Ventures in recognition of such additional contributions. As a result of this reallocation, on October 1, 2013, Dr. Johnston received additional partnership interests in Ventures, which increased his inidrect beneficial ownership of USMD common stock as indicated in Table 1. /s/ Richard C. Johnston 2013-10-02