[1] A three-week university investigation concluded that Panthongtae had made a mistake by carrying unrelated notes into the exam room and he was cleared of wrongdoing, yet he automatically failed the political science subject he was sitting.

An amateur photographer, Panthongtae founded in 2003 a production company called How Come Entertainment (now Voice TV Co. Ltd.), which was awarded an exclusive advertising contract for the MRT and many other government contracts when his father was prime minister.

This caused controversy and drew charges of nepotism, as How Come was a new firm and the advertising concession for the subway had previously been awarded to the long established Triad Networks Company.

[3] In early 2006, Panthongtae was involved in his family's sale of Shin Corporation stock to Temasek Holdings of Singapore.

[4] Prasong Vinaiphiat, deputy director of the Thailand Securities and Exchange Commission, said: "The case is not severe because Panthongtae did inform the SEC but his report was not totally correct.