X0101 EFFECT 33 LIVE 2012-12-20 09:30:00

N-14

0000277751 JANUS INVESTMENT FUND 333-184086 0000277751 JANUS INVESTMENT FUND S000010489 Janus Worldwide Fund C000028951 Class T 0000277751 JANUS INVESTMENT FUND S000010477 Janus Global Research Fund C000028936 Class T 0000277751 JANUS INVESTMENT FUND S000010489 Janus Worldwide Fund C000077732 Class A 0000277751 JANUS INVESTMENT FUND S000010477 Janus Global Research Fund C000077693 Class A 0000277751 JANUS INVESTMENT FUND S000010489 Janus Worldwide Fund C000077733 Class C 0000277751 JANUS INVESTMENT FUND S000010477 Janus Global Research Fund C000077694 Class C 0000277751 JANUS INVESTMENT FUND S000010489 Janus Worldwide Fund C000077734 Class I 0000277751 JANUS INVESTMENT FUND S000010477 Janus Global Research Fund C000077695 Class I 0000277751 JANUS INVESTMENT FUND S000010489 Janus Worldwide Fund C000077736 Class S 0000277751 JANUS INVESTMENT FUND S000010477 Janus Global Research Fund C000077696 Class S 0000277751 JANUS INVESTMENT FUND S000010489 Janus Worldwide Fund C000083534 Class D 0000277751 JANUS INVESTMENT FUND S000010477 Janus Global Research Fund C000083523 Class D 0000277751 JANUS INVESTMENT FUND S000010489 Janus Worldwide Fund C000114882 Class N 0000277751 JANUS INVESTMENT FUND S000010477 Janus Global Research Fund C000114877 Class N