American Community: Sale of Commercial Parcels News Release FOR IMMEDIATE RELEASE CONTACT July 7, 1999 Edwin L. Kelly (301) 843-8600 AMERICAN COMMUNITY PROPERTIES TRUST ANNOUNCES SALE OF COMMERCIAL PARCELS IN ST. CHARLES ST. CHARLES, Md.- American Community Properties Trust (ACPT) (AMEX, PE: APO) a diversified real estate organization, has completed the sale of two prime commercial parcels totaling 4.42 acres in its master planned community of St. Charles to Unicorp National Developments, Inc. of Orlando, Florida. The sites on U.S. Route 301 will be used for the development of a free standing retail store and restaurant. The sale was recorded in the quarter ended June 30, 1999. ACPT President and Chief Operating Officer, Edwin L. Kelly, said, "This sale highlights the value national retailers have placed on the Charles County regional retail center we have created in St. Charles. The continued success of businesses here have created increased demand for our commercial land and we have more property available for further expansion of the market". ACPT has available for sale over 200 acres designated for commercial, office and industrial use in St. Charles. Located 20 miles from Washington, D.C., the 9,100 acre master planned community has a population of approximately 35,000 residents and in excess of 4 million square feet of commercial centers and business parks. ACPT, with operations in Maryland and Puerto Rico, specializes in community development, investment apartment properties, and asset management services. It is currently listed on the American and Pacific stock exchanges under the symbol AmCmntyProp (APO). # # # Ends.