The station received approval by the CRTC in July 2005 [1] and was launched in September of that year for on-air testing.
The station officially debuted at 2 p.m. on December 8, 2005 as CHMC-FM with a smooth jazz format branded as Magic 99.
On August 17, 2011, Rawlco Communications received CRTC approval to change the technical parameters of the station by increasing the effective height of antenna above average terrain from 148.4 to 272 meters and by relocating its transmitter.
[4] On July 10, 2014, Rawlco announced the sale of its Edmonton radio stations to The Jim Pattison Group.
[5] As of Feb 28, 2021, CIUP is the 2nd-most-listened-to radio station in the Edmonton market according to a PPM data report released by Numeris.