CIOO-FM is a Canadian adult contemporary formatted radio station, broadcasting at 100.1 FM in Halifax, Nova Scotia.It was originally owned by Toronto based CHUM Limited until the company's buy-out by CTVglobemedia in 2007, and then Bell Media in 2011.On December 21, 1984, CHUM Limited was denied a license to add an FM transmitter at 94.9 MHz in Middleton to rebroadcast the programming of CIOO.[1] On December 27, 2020, as part of a mass format reorganization by Bell Media, CIOO rebranded as Move 100, ending 43 years of the "C100" branding.While the station would run jockless for the first week of the format, on-air staff would return on January 4, 2021.