Filed by TeleCorp PCS, Inc. Pursuant to Rule 425 under the Securities Act of 1933 And deemed filed pursuant to Rule 14a-12 Of the Securities Exchange Act of 1934 Subject Company: TeleCorp PCS, Inc. Commission File No. 005-58279 On February 28, 2000, TeleCorp PCS, Inc., a Delaware corporation ("TeleCorp"), and Tritel, Inc., a Delaware corporation ("Tritel"), announced the execution of a definitive agreement to merge. Additionally, TeleCorp separately announced the execution of a definitive agreement to exchange certain property with AT&T Wireless PCS, LLC. ("AT&T"). The following are the press releases disseminated in connection with the above and were filed by TeleCorp on form 8-K.