American Community: Announces 2 Major Transactions News Release FOR IMMEDIATE RELEASE CONTACT January 8, 1999 Edwin L. Kelly (301) 843-8600 AMERICAN COMMUNITY PROPERTIES TRUST ANNOUNCES TWO MAJOR LAND TRANSACTIONS St. Charles, Md. -- American Community Properties Trust (AMEX, PE: APO) a diversified real estate organization, today announced the December 1998 closing of a 2.76-acre commercial site at its Parque Escorial master planned community in Puerto Rico, to a local investor for $3 million and the execution of a contract for $6.4 million for the sale of a 5.92-acre commercial site to a Ford Motor Company dealer with operations in Florida and Puerto Rico. The latter will close upon the completion of certain improvements, expected to be finished by June 1999. ACPT Executive Vice President, Francisco Arrivi, who manages land sales in Puerto Rico, said "We are delighted to welcome these two new businesses to Parque Escorial as it shows that there continues to be strong demand for the remaining commercial land in the business park located here." Upon completion, the 430-acre Parque Escorial will have over 1 million square feet of commercial space, 500,000 square feet of office and light industrial space and 2,700 residential units. Started in 1994, there are currently 1,100 residential units completed or current under construction and over 500,000 square feet of commercial and office space open for business with an additional 100,000 square feet under construction. ACPT is a spin-off from Interstate General Company L.P. (IGC) and specializes in community development, investment apartment properties, and asset management services. It currently is listed on the American and Pacific stock exchanges under the symbol AmCmntyProp (APO). ### Ends.