HRH Princess Maha Chakri Sirindhorn graciously visited PTT Group's Power for Sustainable Future Pavilion located at lakeside area of BOI fair 2011, Muang Thong Thani on 5 January 2012. Dr. Pailin Chuchottaworn, President & Chief Executive Officer of PTT Public Company Limited (PTT), Mr. Veerasak Kositpaisal, Chief Executive Officer, and Mr. Bowon Vongsinudom, President of PTT Global Chemical Public Company Limited (PTTGC), including PTT Group Executives, employees, and high-level officials attended.

PTT Group's Power for Sustainable Future Pavilion had launched the energy efficiency architecture, with the Green concept of applying solar cell system to generate electricity inside the pavilion, and using natural materials such as vetiver grass and used milk boxes for the construction outside.