X0201 3/A 2003-12-29 2003-12-30 0 0001081290 REDBACK NETWORKS INC RBAKQ 0001237613 ASPEN CAPITAL LLC C/O ASPEN ADVISORS LLC 152 WEST 57TH STREET, 46TH FLOOR NEW YORK NY 10019 0 0 1 0 Common Stock 19424700 I By General Partner Aspen Capital LLC, General Partner of Aspen Partners, a Series of Aspen Capital Partners, L.P., disclaims beneficial ownership of the securities except to the extent of its pecuniary interest, as calculated pursuant to Rule 16a-1(a)(2) and (a)(3). Aspen Capital LLC, by Nikos Hecht, Managing Member 2003-12-31