X0202 3 2006-11-02 1 0001108727 iPCS, INC IPCS 0001267621 ZINTERHOFER ERIC C/O APOLLO ADVISORS, L.P. 9 WEST 57TH STREET, 43RD FLOOR NEW YORK NY 10019 1 0 0 0 Mr. Zinterhofer is associated with Apollo Advisors IV, L.P. ("Advisors IV"). Advisors IV serves as the general partner of Apollo Investment Fund IV, L.P. ("AIF IV") and the managing partner of Apollo Overseas Partners IV, L.P. ("Overseas IV" and together with AIF IV, the "Apollo Funds"), which are the record owners of certain shares of common stock of iPCS, Inc. Mr. Zinterhofer disclaims beneficial ownership of all securities of iPCS, Inc. that may be deemed beneficially owned by the Apollo Funds, Advisors IV, Apollo Management IV, L.P. (the manager of each of the Apollo Funds, "Management IV"), AIF IV Management, Inc. (the general partner of Management IV) or Apollo Capital Management IV, Inc. (the general partner of Advisors IV). This report shall not be deemed an admission that Mr. Zinterhofer is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. /s/ Eric Zinterhofer 2006-11-08