 WPLY owner Radio One changed the station's format in 2005, ending the alternative rock format.Y-Rock on XPN was the latest incarnation of the Y100 brand until June 2010 that originally aired on 100.3 FM, which was the city's alternative rock station from the 1990s until 2005.In 2010, WXPN-HD2 changed branding from "Y-Rock on XPN" to "XPN2/XPoNential