X0101 EFFECT 33 LIVE 2020-02-26 11:45:00

N-14

0001112996 AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) 333-236069 0001112996 AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) S000051015 Invesco Short Duration High Yield Municipal Fund C000160735 Class A 0001112996 AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) S000064619 Invesco Oppenheimer Rochester Short Duration High Yield Municipal Fund C000209184 Class A 0001112996 AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) S000051015 Invesco Short Duration High Yield Municipal Fund C000160736 Class C 0001112996 AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) S000064619 Invesco Oppenheimer Rochester Short Duration High Yield Municipal Fund C000209183 Class C 0001112996 AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) S000051015 Invesco Short Duration High Yield Municipal Fund C000160737 Class Y 0001112996 AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) S000064619 Invesco Oppenheimer Rochester Short Duration High Yield Municipal Fund C000209182 Class Y