Ratings

Description	Short Term	Medium Term	Long Term	Issuer
PTC Series A1	--	--	*	--
PTC Series A2	--	--	*	--
PTC Series A2	--	--	*	--
PTC Series A	--	--	*	--
PTC Series A1	--	--	*	--
PTC Series A	--	--	*	--
PTC Series A1	--	--	*	--
PTC Series A1	--	--	*	--