EXHIBIT 99.1 STOCKHOLDER AGREEMENT This Stockholder Agreement (this "Agreement") dated as of July 23, 2000 among the stockholder listed on the signature page hereto (" Stockholder" ) and Deutsche Telekom, an Aktiengesellschaft organized and existing...Stockholder Agreement • August 2nd, 2000 • Telephone & Data Systems Inc Voting Trust 1989 • Delaware
