WMYX-FM is a commercial radio station in Milwaukee, Wisconsin, US. Calling itself "99-1 The Mix", it was the first station in the U.S. to use the "Mix" moniker. WMYX-FM has been airing roughly the same hot adult contemporary radio format since late 1981. The station is owned by Audacy, Inc., along with sister stations WXSS-FM and WSSP. WMYX's studios and transmitter are co-located in Hales Corners. The playlist consists of current hits and recent hits from the 2000s and 2010s. WMYX is responsible for the activation of the Milwaukee metropolitan area Emergency Alert System.