August 13, 1999 NOTICE OF EXTENSION OF TIME TO FILE RESPONSE AND REPLY (August 18 and August 25, 1999) RE: ICG Telecom Group, Inc., and U S WEST Communications, Inc. Docket No. UT-990360 TO ALL PARTIES OF RECORD: At the joint request of the parties presented in an informal teleconference conducted on August 11, 1999, the filing date of U S WEST’s Response to ICG’s Request for Approval, previously due August 11, 1999, is extended to August 18, 1999, and the filing date of ICG’s Reply, previously due August 18, 1999, is extended to August 25, 1999. Sincerely, LAWRENCE J. BERG Administrative Law Judge