 In June 1993, the Rockefeller Group's Radio City Music Hall sold its 12.5% stake in A&E to the other three partners (now including NBC in place of RCA after GE's purchase of the latter in 1986) with NBC owning 25% and the other two 37.5% each.Also that month, a new production unit was set up.The A&E channel expanded to Canada, and later Mexico from 1993 to 1994.