CKEX-FM (100.7 MHz) is a radio station in Red Deer, Alberta.

Owned by Harvard Media, it broadcasts a modern rock format branded as X 100.7.

CKRI-FM received approval by the CRTC on October 17, 2008, along with other new applications to serve Red Deer.

[1] CKRI launched on August 6, 2010 as 100.7 The River, with an adult contemporary format.

The station changed its call letters to CKEX-FM.