X0101 EFFECT 33 LIVE 2013-07-31 15:30:00

N-1A

0001577111 OPPENHEIMER SENIOR FLOATING RATE PLUS FUND 333-188779 S000041794 Oppenheimer Senior Floatong Rate Plus Fund C000129691 A S000041794 Oppenheimer Senior Floatong Rate Plus Fund C000129692 C S000041794 Oppenheimer Senior Floatong Rate Plus Fund C000129693 I S000041794 Oppenheimer Senior Floatong Rate Plus Fund C000129694 N S000041794 Oppenheimer Senior Floatong Rate Plus Fund C000129695 Y