Bangkok--14 Oct--TRIS Rating TRIS Rating Co., Ltd. has cancelled the rating of the senior bonds (EFAI08OA) of The Energy Fund Administration Institute (EFAI). This cancellation is announced because the bonds matured on 13 October 2008. Therefore, the previous rating of “AA” with “stable” outlook assigned to EFAI’s senior bonds will no longer be monitored, said TRIS Rating.