1 CONTACT: River Oaks Partnership Services, Inc. (888) 349-2005 (toll free) FOR IMMEDIATE RELEASE DENVER, COLORADO, September 18, 2000-As previously announced, AIMCO Properties, L.P. is tendering for any and all units of limited partnership interest in the partnerships set forth below, subject to the terms of the respective Offers to Purchase (the "Offers"). AIMCO Properties, L.P. has extended the expiration date of each of the Offers. The expiration date for each of the Offers has been extended to 5:00 p.m., New York time, on Thursday, September 28, 2000. The Offers were previously scheduled to expire at 5:00 p.m., New York time, September 15, 2000. AIMCO Properties, L.P. has reported, based on information provided by the Information Agent for the Offer, that as of the close of business on September 14, 2000, the approximate number of units set forth below had been tendered pursuant to each of the Offers. PURCHASE PRICE NUMBER OF NAME OF PARTNERSHIP PER UNIT UNITS TENDERED ------------------- -------------- -------------- Angeles Income Properties Ltd. III $ 49.31 1,942 Angeles Income Properties , Ltd. II 165.00 2,059 Angeles Income Properties, Ltd. VI 181.00 1,039 Angeles Partners VII 400.77 567 Angeles Partners XI 334.00 1,470 Angeles Partners XII 804.00 1,678 Century Properties Fund XIV 169.00 995 Century Properties Fund XIX 289.18 1,524 Century Properties Fund XV 153.00 785 Century Properties Fund XVI 46.00 976 Century Properties Fund XVII 309.00 633 Consolidated Capital Institutional Properties 3 106.00 9,666 Consolidated Capital Properties 3 37.08 2,053 Consolidated Capital Properties 4 196.74 7,868 Consolidated Capital Properties 6 11.67 3,479 Davidson Diversified Real Estate II 4,228.00 26 Davidson Income Real Estate, LP 409.00 606 Johnstown/Consolidated Income Partners 29.00 2,032 National Property Investors III 374.19 517 Shelter Properties IV Limited Partnership 574.10 978 Shelter Properties VI Limited Partnership 531.00 1,306 For further information, please contact River Oaks Partnership Services, Inc. at (888) 349-2005 (toll free), which is acting as the Information Agent for the Offers.