Mace Security International, Inc.

                         "NOTICE OF CONFERENCE CALL"
             First Quarter Ended March 31, 2001 Operating Results
                             Friday, May 11, 2001
                                 11:00 AM EDT

                      Conference Call No. (888) 868-9083

    MOUNT LAUREL, N.J., May 8 Mace Security International, Inc.
("Mace") will conduct a conference call on Friday, May 11, 2001
at 11:00 AM EDT.  The conference call number is (888) 868-9083.
    A press release detailing the results for the quarter will be released
after the market closes on Thursday, May 10, 2001.
    There will be access to a tape recording of the teleconference by calling
(877) 519-4471 and entering the reservation number 2557583.  This will be
available after the teleconference from 1:00 PM EDT, Friday, May 11, 2001
through 5:00 PM EDT, Monday, May 14, 2001.  In addition, a live web cast of
the conference call will be available online at http://www.mace.com or
http://www.streetevents.com.  A tape recording of the teleconference will also be
available on the Company's website through July 1, 2001.
    Please contact Eduardo Nieves, Jr., Director of Investor Relations, by
phone at (856) 778-2300; or fax (856) 439-1723; or email ednieves@msn.com if
there are any questions.
    Mace Security International, Inc. is a provider of car care services,
which owns and operates car and truck washes nationwide.

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