Interstate Gen: Shareholder Information News Release FOR IMMEDIATE RELEASE CONTACT October 2, 1998 Edwin L. Kelly (301) 843-8600 IGC ANNOUNCES ACPT DISTRIBUTION DATE ST. CHARLES, Md. -- Interstate General Company L.P. (AMEX,PSE:IGC), a diversified real estate organization, announced that the date for the Distribution of common shares of American Community Properties Trust (ACPT) has been set for October 5, 1998. The Distribution will be made to Unitholders as of the record date of September 1, 1998, on the basis of one ACPT Common Share for every two IGC Units outstanding on that date. On October 19, 1998, IGC will implement a one-for-five reverse Unit split with respect to the IGC Units (the "Reverse Split"). As soon as practicable after the date of the Reverse Split, IGC or its agent will mail transmittal instructions (the "Instructions") to each IGC Unitholder of record on such date advising such holder of the procedures for exchanging certificates representing IGC Units prior to the Reverse Split ("Old Units"). No certificates or scrip representing fractional New Units will be issued as a result of the Reverse Split. Each recordholder of Old Units who otherwise would be entitled to receive fractional New Units as a result of the Reverse Split will, upon surrendering its certificate(s) representing Old Units in accordance with the Instructions, receive cash in an amount equal to the applicable portion of the market value of the New Unit based on the closing price of New Units on the American Stock Exchange as of the date of the Reverse Split. Founded in 1957, IGC specializes in community development, homebuilding, investment apartment properties, and asset management services. ### Ends.