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FOR IMMEDIATE RELEASE

Contact:

Snyder Communications, Inc.      American List Corp.     Dewe Rogerson Inc.
Clay Perfall                     Martin Lerner           Jeffrey Luth
Chief Financial Officer          President               Media:  Kathryn Corbett
(301) 571-6270                   (516) 248-6100          (212) 688-6840

                 SNYDER COMMUNICATIONS AND AMERICAN LIST FURNISH
                ADDITIONAL INFORMATION REGARDING MERGER AGREEMENT

(BETHESDA, MD, March 19, 1997) - Snyder Communications, Inc. (NYSE: SNC) and
American List Corp. (AMEX: AMZ) furnish the following additional information
with respect to the number of shares of common stock of Snyder to be issued for
each share of American List in connection with the previously announced merger.
In the event that the average trading price of Snyder common stock for the
twenty-day period ending on the third day prior to the closing (the "Average
Trading Price") equals or exceeds $32.00, one share of Snyder common stock will
be issued for each share of American List common stock. In the event that the
Average Trading Price equals or exceeds $28.00 but is less than $32.00, the
number of shares of Snyder common stock issuable for each share of American List
common stock will equal the quotient of $32.00 divided by the Average Trading
Price. In the event that the Average Trading Price equals or exceeds $26.00 but
is less than $28.00, 1.14 shares of Snyder common stock will be issuable for
each share of American List common stock. In the event that the Average Trading
Price is less than $26.00 and the merger agreement is not otherwise terminated
in accordance with its terms, the number of shares of Snyder common stock
issuable for each share of American List common stock will equal the quotient of
$29.71 divided by the Average Trading Price.





