Effective July 31, 2010, Houston American Energy Corp entered into a Farmout Agreement with SK Energy Co. LTD pursuant to which SK Energy Co agreed to assign to theman additional 12.5% interest in the approximately 345,452 acre CPO 4 Block in the Llanos Basin of Colombia, increasing the Company's current interest in the CPO 4 Block from 25% to 37.5%.  Gray Reed & McGraw assisted with the transaction.

Under the terms of the Farmout Agreement, the Company will be responsible for paying its proportionate interest in all future development and operating costs ("Ongoing Costs"). In addition to payment of its proportionate interest in Ongoing Costs, as a condition of assignment of the additional 12.5% interest in the CPO 4 Block, the Company will be responsible for reimbursement to SK Energy, or payment, of (i) 12.5% of certain defined past costs relating to development of the CPO 4 Block (the "Past Costs"), and (ii) 25% of seismic acquisition costs incurred with respect to the CPO 4 Block between June 18, 2009 and June 17, 2012 (the "Seismic Acquisition Costs").

The assignment of the additional interest in the CPO 4 Block is conditioned upon the approval by the National Hydrocarbon Agency of Colombia ("ANH") and the Republic of Korea by July 31, 2011 and payment of the Company's proportionate interest in Past Costs is due on the earlier of (i) October 29, 2010, or (ii) 30 days following ANH approval.

SK Energy Co serves as operator on the CPO 4 Block under a Joint Operating Agreement (the "JOA").

Pursuant to the terms of, and in conjunction with, the Farmout Agreement and the JOA, the Company entered into a separate agreement with Gulf United Energy, Inc. ("Gulf United") whereby the Company waived its right of first refusal under the JOA for the specific purpose of permitting Gulf United to acquire a 12.5% interest in the CPO 4 Block. Under the agreement with Gulf United, as a condition of the Company's agreement to waive its preferential rights, Gulf United agreed to pay to the Company, not later than 30 days following ANH approval, (i) the Company's 12.5% share of Past Costs incurred through July 31, 2010, and (ii) the Company's 25% share of Seismic Acquisition Costs.