AvalonBay: Announces Date for 1st Qtr Earnings For Immediate Release April 5, 1999 AVALONBAY COMMUNITIES, INC. ANNOUNCES DATE FOR ITS FIRST QUARTER EARNINGS RELEASE AND CONFERENCE CALL AVALONBAY COMMUNITIES, INC. (NYSE/PCX: "AVB" ) announced today that it will release first quarter earnings on April 22, 1999 and hold its first quarter conference call on April 22, 1999 at 11:00 AM Eastern Time (ET). The domestic and international number for the conference call is: (612) 332-0228. Instant replay of the call will be available from April 22nd at 2:00 PM until April 30th at 11:59 PM (ET). The call-in number for the replay is (USA) 1 (800) 475-6701 or International (320) 365-3844 - Access Code: 442374. About AvalonBay Communities, Inc. AvalonBay, named the NAHB Development Company of the year for 1998/1999 and the Property Management Company of the Year for 1996/1997, owns or holds an ownership interest in 141 apartment communities containing 41,172 apartment homes in sixteen states and the District of Columbia, of which presently fourteen communities are under construction and thirteen communities are under reconstruction. AvalonBay is an equity REIT in the business of developing, redeveloping, acquiring and managing multifamily apartment communities in high barrier-to-entry markets of the United States. More information on AvalonBay may be found on AvalonBay's Web Site at http://www.avalonbay.com. For additional information regarding this news release, please contact Richard L. Michaux, Chief Executive Officer at (703) 317-4602 or Thomas J. Sargeant, Chief Financial Officer at (703) 317-4735. Ends.