X0303 4 2010-03-01 0 0001279392 ENDOWMENT MASTER FUND L P None 0001282350 THOMAS ADAM 4265 SAN FELIPE 8TH FLOOR HOUSTON TX 77027 0 1 0 0 Secretary Limited Partnership Interests 2010-03-01 4 P 0 1 100000 A 1972166.98 I See Footnote The securities are limited partnership interests. Holders are deemed to own a single interest, regardless of the amount of the interest. Mr. Thomas has an indirect interest of $1,036,103.36 (estimated value as of 3/1/10) through affiliates of Salient Partners, L.P.'s investment in The Endowment Registered Fund, L.P. that invests in The Endowment Master Fund, L.P. He has $936,063.62 (estimated value as of 3/1/10) directly invested in The Endowment (Domestic QP) Fund, L.P., which in turn invests in the issuer. Through the investment of Salient Trust Co. in The Endowment Master Fund, L.P. via The Endowment Registered Fund, L.P. Salient Trust Co. is a wholly owned subsidiary of Salient Partners, L.P., in which Mr. Thomas has an interest. Adam L. Thomas 2010-03-01