Annex three (21) to carry on purchase orders to obtain materials and installation for the Heat Recovery Steam Generator (“Heat Recovery Steam Generator : HRSG”) for CTCI (Thailand) Co., Ltd, a engineering contractor and construction for the works to be performed in relation to the Small Power Producer projects (Small Power Producer : SPP) of Thai Oil Public Co., Ltd. pursuant to the purchase orders number 13P1515B01-FT001 dated 27 January 2014 (to be continued)