Public Ownership Report as of June 30 2018

List of Top 100 Stockholders as of June 30, 2018

Confirmation of the news report published in Business World issue of June 29, 2018 that the Company has not given up on its service contracts for the five geothermal energy projects

Equity investment of Basic Energy Corporation up to 15% of the total capital of Vintage EPC Company Limited (Thailand) (VEPC) and VTE International Construction Company Limited (Thailand) (VINTER)

Amending previous amended disclosures of May 31, 2018 by disclosing the approval by the stockholders of the resolution amending Article Seventh of the Articles of Incorporation for the creation of Three Billion (3,000,000,000) preferred shares at the Annual Stockholders' Meeting held on June 27, 2018

Results of Organizational Meeting of the Board of Directors

Results of Annual Stockholders' Meeting

Signing of Share Purchase Agreements and Shareholders Agreements - Amended

Press Release - Signing of Share Purchase Agreements and Shareholders Agreement

Signing of Share Purchase Agreements and Shareholders Agreements