EXHIBIT 21 TRIBUNE COMPANY SUBSIDIARIES ---------------------------- Jurisdiction of Other names under which Incorporation subsidiary does business --------------- ------------------------ PUBLISHING - ---------- Tribune Publishing Company Delaware Chicago Tribune Company Illinois Chicago Tribune; Exito! Chicago Relay Service Association Illinois Chicago Tribune Newspapers, Inc. Illinois Tribune Newspaper Network Chicago Tribune Press Service, Inc. Illinois Newspaper Readers Agency, Inc. Illinois Tribune Direct Marketing, Inc. Delaware AmeriComm/Illinois Precision Home Delivery, Inc. Delaware Tribune Media Services, Inc. Delaware TV Log; TV Week Sun-Sentinel Company Delaware Sun-Sentinel; Gold Coast Labeling Gold Coast Publications, Inc. Delaware Gold Coast Shopper; Porch Plus; XS; Exito!; iCE; Vital Signs New River Center Maintenance Association, Florida Inc. Sentinel Communication Company Delaware The Orlando Sentinel; US Express; Magic Magazine; Sentinel Publishing; Sentinel Direct; Tribune Interactive Network Services Neocomm, Inc. Delaware Porch Plus Peninsula Newspapers, Inc. Delaware Jurisdiction of Other names under which Incorporation subsidiary does business --------------- ------------------------ Peninsula Community Newspapers, Inc. Delaware Times-Advocate Company Delaware Times-Advocate; GO Magazine; The Californian; The Californian Extra Twin County Community Newspapers, Inc. Delaware The Enterprise; The Extraprize The Daily Press, Inc. Delaware Daily Press Hampton Roads Newspapers, Inc. Virginia Tribune Properties, Inc. Delaware New River Center Management Co. Tribune New York Properties, Inc. Delaware Tribune National Marketing Company Delaware Real Estate Information Connection/REIC Contemporary Books, Inc. Illinois Congdon & Weed, Inc. New York Wright Group Publishing, Inc. Delaware Compton's Learning Company Delaware Compton's NewMedia, Inc. California Compton's Multimedia Publishing Group, Inc. Delaware NewMedia Source, Inc. California BROADCASTING AND ENTERTAINMENT - ------------------------------ Tribune Broadcasting Company Delaware Tribune Plus; Tribune Plus Corporate Sales; Tribune Creative Services Group Tribune Broadcasting News Network, Inc. Delaware Trib Net ChicagoLand Television News, Inc. Delaware ChicagoLand Television/CLTV ChicagoLand Microwave Licensee, Inc. Delaware Jurisdiction of Other names under which Incorporation subsidiary does business --------------- ------------------------ Tribune Regional Programming, Inc. Delaware Tribune New York Radio, Inc. Delaware WQCD-FM Tribune Denver Radio, Inc. Delaware KOSI; KEZW WGN Continental Broadcasting Company Delaware WGN-TV; WGN Radio; Tribune Radio Networks; Tribune Sacramento Radio, Inc. Delaware KYMX; KCTC Tribune Entertainment Company Delaware Magic T Music Publishing Company Delaware Tribune Entertainment Production Company Delaware Chicago River Production Company Delaware The Road 435 Production Company Delaware Gossip Production Company Delaware North Michigan Production Company Delaware Fairfax Media, Incorporated Virginia Tribune Productions, Inc. Delaware Tribune (FN) Cable Ventures, Inc. Delaware KWGN Inc. Delaware KWGN-TV WGNO Inc. Delaware WGNO-TV WGNX Inc. Delaware WGNX-TV KTLA Inc. California KTLA-TV GWB Productions Delaware WPHL-TV, Inc. Pennsylvania WPHL WPIX Inc. New York WPIX-TV; Tribune New York Holdings WLVI Inc. Delaware Tribune California Properties, Inc. Delaware Chicago National League Ball Club, Inc. Delaware Chicago Cubs Diana-Quentin, Inc. Illinois Rockford Professional Baseball Club, Inc. Florida Rockford Royals Rock River Concessions, Inc. Florida Orlando Baseball Club, Inc. Delaware Orlando Cubs Orlando Baseball Concessions, Inc. Delaware Jurisdiction of Other names under which NEWSPRINT/FOREST PRODUCTS Incorporation subsidiary does business - ------------------------- --------------- ------------------------ QUNO Corporation Quebec Scierie des Outardes Marlhill Mines Limited Ontario Manicouagan Power Company Quebec Baie Comeau Company (1990) Ltd. Quebec Quebec and Ontario Recycling Limited Ontario 907153 Ontario Inc. Ontario 907154 Ontario Inc. Ontario 3/17/94