X0202 4 2007-01-12 0000314690 CENTURY PROPERTIES FUND XV NONE 0000922864 APARTMENT INVESTMENT & MANAGEMENT CO 4582 SOUTH ULSTER STREET PARKWAY SUITE 1100 DENVER CO 80237 0 0 1 0 Limited Partnership Units 2007-01-12 4 P 0 564 26.34 A 65405.34 I See Footnote Below These Limited Partnership Units ("Units") were directly purchased by AIMCO Properties, L.P. ("AIMCO Properties"). Consists of 25,503.17 Units held by AIMCO Properties; 35,580.17 Units held by AIMCO IPLP, L.P. ("IPLP"); 100 Units held by Fox Capital Management Corporation ("Fox"); and 4,222.00 Units held by Madison River Properties, L.L.C. ("Madison"). AIMCO Properties is a joint filer with AIMCO-GP, Inc. ("AIMCO-GP") and Apartment Investment and Management Company ("AIMCO") for purposes of Section 13(d) reporting of the Exchange Act. AIMCO-GP is the sole general partner of AIMCO Properties and a wholly-owned subsidiary of AIMCO. IPLP is a joint filer with AIMCO/IPT, Inc. ("AIMCO/IPT") and AIMCO for purposes of Section 13(d) reporting of the Exchange Act. AIMCO/IPT is the sole general partner of IPLP and a wholly-owned subsidiary of AIMCO. Fox is a joint filer with AIMCO/IPT and AIMCO for purposes of Section 13(d) reporting of the Exchange Act. Fox is a wholly-owned subsidiary of AIMCO/IPT, which is a wholly-owned subsidiary of AIMCO. Madison is a joint filer with AIMCO, AIMCO/IPT and IPLP for purposes of Section 13(d) reporting of the Exchange Act. Madison is a wholly-owned subsidiary of IPLP, whose sole general partner is AIMCO/IPT, a wholly-owned subsidiary of AIMCO. /s/ Derek McCandless, Vice President and Assistant Secretary, Apartment Investment and Management Company 2007-01-17