Export Promotion Act This bill establishes the Export Promotion Agency in the Department of Commerce. The bill designates the functions, responsibilities, organizational structure, and reporting requirements of the agency. The bill terminates the following entities and programs and transfers their functions to the agency: the International Trade Administration, the Office of International Trade of the Small Business Administration, the Trade and Development Agency, the Export Credit Guarantee Program and the Facilities Guarantee Program of the Department of Agriculture, and the Bureau of Economic and Business Affairs of the Department of State.