EXHIBIT 21 SUBSIDIARIES OF TIME WARNER INC. Time Warner maintains over 1,500 subsidiaries. Set forth below are the names of certain subsidiaries, at least 50% owned, directly or indirectly, of Time Warner as of December 31, 2003, that carry on a substantial portion of Time Warner's lines of business. The list excludes Warner Music Group Inc. and its subsidiaries, which were sold in a transaction that closed on March 1, 2004. The names of various consolidated wholly owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or together with the other subsidiaries of its immediate parent, constitutes a significant subsidiary. STATE OR OTHER JURISDICTION OF NAME INCORPORATION - ---- ------------- Time Warner Inc. (Registrant)................................................... Delaware Time Warner Realty Inc..................................................... Delaware America Online, Inc........................................................ Delaware AMSE France Sarl....................................................... France AMSE France SAS........................................................ France AOL Asia Limited....................................................... Hong Kong AOL CompuServe France SAS.............................................. France AOL Deutschland GmbH & Co. KG.......................................... Germany AOL Deutschland Online GmbH & Co. KG................................... Germany AOL Deutschland Service Operations GmbH & Co. KG....................... Germany AOL Europe Operations Limited.......................................... Ireland AOL Europe Sarl........................................................ Luxembourg AOL Europe Services Sarl............................................... Luxembourg AOL France SNC......................................................... France AOL Member Services Philippines, Inc................................... Philippines AOL Nederland BV....................................................... Netherlands AOL Technologies Ireland Limited....................................... Ireland AOL (UK) Limited....................................................... United Kingdom CompuServe Interactive Services France SNC............................. France CompuServe Interactive Services, Inc................................... Delaware CompuServe Interactive Services Limited................................ Ireland Digital Marketing Services, Inc........................................ Delaware eVoice, Inc............................................................ Delaware ICQ Ltd................................................................ Israel InfoInterActive Corp................................................... Nova Scotia MapQuest.com, Inc...................................................... Delaware Netscape Communications Corporation.................................... Delaware Netscape Communications India Private Limited.......................... India OMI LLC................................................................ Delaware Quack.com, Inc......................................................... Delaware Spinner Networks, Incorporated......................................... California Tegic Communications Corporation....................................... Washington Historic TW Inc............................................................ Delaware Turner Broadcasting System, Inc........................................ Georgia Atlanta Hockey Club, Inc.......................................... Georgia Atlanta National League Baseball Club, Inc........................ Georgia Cable News International, Inc..................................... Georgia Cable News Network LP, LLLP....................................... Delaware CNN America, Inc.................................................. Delaware CNN Investment Company, Inc....................................... Delaware CNN Newsource Sales, Inc.......................................... Georgia Hawks Basketball, Inc............................................. Georgia New Line Cinema Corporation....................................... Delaware Superstation, Inc................................................. Georgia TEN Investment Company, Inc....................................... Delaware The Cartoon Network LP, LLLP...................................... Delaware Turner Arena Productions and Sales, Inc........................... Georgia Turner Broadcasting System Asia Pacific, Inc...................... Georgia Turner Broadcasting Sales, Inc.................................... Georgia Turner Broadcasting System (Holdings) Europe Ltd.................. United Kingdom Turner Classic Movies LP, LLLP.................................... Delaware Turner Entertainment Group, Inc................................... Georgia Turner Entertainment Networks Asia, Inc........................... Georgia Turner Entertainment Networks Inc................................. Georgia Turner Home Entertainment, Inc.................................... Georgia Turner International, Inc......................................... Georgia Viva Plus Fernsehen GmbH..................................... Germany(1) Turner Network Television LP, LLLP................................ Delaware Turner Pictures Group, Inc........................................ Georgia Turner Sports, Inc................................................ Georgia Time Warner Companies, Inc............................................. Delaware American Television and Communications Corporation................ Delaware Time Inc.......................................................... Delaware Time Warner Book Group Inc.................................... Delaware Bookspan partnership.......................................... Delaware (1) Business 2.0 Media Inc........................................ Delaware Entertainment Weekly Inc...................................... Delaware IPC Group Limited............................................. United Kingdom Leisure Arts, Inc............................................. Delaware Little, Brown and Company (Inc.).............................. Massachusetts Media Networks, Inc........................................... Delaware Oxmoor House, Inc............................................. Delaware Southern Progress Corporation................................. Delaware Sunset Publishing Corporation................................. Delaware Synapse Group, Inc............................................ Delaware (1) The Parenting Group Inc....................................... Delaware This Old House Productions, Inc............................... Delaware This Old House Ventures, Inc.................................. Delaware Time Australia Magazine Pty Limited........................... Australia Time Consumer Marketing, Inc.................................. Delaware Time Customer Service, Inc.................................... Delaware Time Direct Ventures LLC...................................... Delaware Time Distribution Services Inc................................ Delaware Time Inc. Home Entertainment.................................. Delaware Time Inc. Ventures............................................ Delaware Time4 Media, Inc.............................................. New York Warner Books, Inc............................................. New York Warner Publisher Services Inc................................. New York Time International Inc............................................ Delaware Warner Communications Inc......................................... Delaware Castle Rock Entertainment..................................... California Castle Rock Entertainment, Inc................................ Georgia Courtroom Television Network LLC.............................. New York (1) DC Comics (partnership)....................................... New York E.C. Publications, Inc........................................ New York Home Box Office, Inc.......................................... Delaware HBO Services, Inc......................................... Delaware Time Warner Cable Inc......................................... Delaware (1) Time Warner Entertainment Company, L.P.................... Delaware (1) Century Venture Corporation.......................... Delaware Erie Telecommunications Inc.......................... Pennsylvania (1) Kansas City Cable Partners........................... Colorado (1) Road Runner Holdco LLC............................... Delaware Time Warner Entertainment-Advance/Newhouse Partnership.......................................... New York (1) Texas Cable Partners L.P......................... Delaware (1) TW UK Holdings Inc............................................ Delaware Time Warner Entertainment Limited......................... United Kingdom TW Ventures Inc............................................... Delaware Warner Bros. (F.E.) Inc................................... Delaware Warner Bros. (South) Inc.................................. Delaware Warner Bros. Entertainment Inc................................ Delaware Warner Bros. Theatrical Enterprises Inc................... Delaware Warner Bros. Pictures Inc............................ Delaware Warner Bros. Distributing Inc........................ Delaware Warner Home Video Inc..................................... Delaware Burbank Television Enterprises Inc........................ Delaware Telepictures Production Inc.......................... Delaware Warner Bros. International Television Distribution Inc.................................................. Delaware Warner Bros. Television Distribution Inc............. Delaware Warner Bros. Television Production Inc............... Delaware Warner Bros. Animation Inc................................ Delaware Warner Bros. Enterprises Inc.............................. Delaware Warner Bros. Consumer Products Inc................... Delaware Warner Bros. International Cinemas Inc............... Delaware Warner Bros. Online Inc.............................. Delaware Warner Bros. Interactive Entertainment Inc........... California WTTA Incorporated......................................... Delaware Hanna-Barbera Entertainment Co., Inc................. California WB Communications Inc..................................... Delaware The WB Television Network Partners, L.P.............. California (1) WB 100-Plus Station Group Partners Inc............... California Warner Entertainment Japan Inc............................ Japan (1) Less than 100% owned