EXHIBIT 21 SUBSIDIARIES OF ALLBRITTON COMMUNICATIONS COMPANY KATV, LLC (Delaware) KTUL, LLC dba KTUL, L.L.C. (Delaware) WSET, Incorporated (Delaware) Allfinco, Inc. (Delaware) Harrisburg Television, Inc. (Delaware) TV Alabama, Inc. (Delaware) WCIV, LLC (Delaware) Allbritton Television Productions, Inc. (Delaware) Allbritton News Bureau, Inc. (Delaware)