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                                                                    EXHIBIT 99.3



                    Andy McGillicuddy, 781-487-2144
                    Dana Kawiecki, 781-487-2124

                       PRIMARK COMPLETES THE SALE OF TIMCO
             COMPANY IS NOW DEDICATED SOLELY TO INFORMATION SERVICES

WALTHAM, MA, September 23, 1998 -- Primark Corporation (NYSE/PSE: PMK) has
completed the previously announced sale of its heavy aircraft maintenance unit,
the Triad International Maintenance Corporation (TIMCO), to a division of the
Aviation Sales Company for a cash purchase price of $70 million. The after tax
proceeds to Primark from the transaction, exclusive of all closing adjustments,
is expected to be approximately $58 million. As a closing adjustment, Primark
has contributed $8 million to TIMCO, which is the approximate amount of cash
contributed by TIMCO to Primark since July 1, 1998. The pre-tax book gain on the
sale of TIMCO is expected to be approximately $24 million.

"This transaction allows us to concentrate exclusively on the development and
integration of our financial, economic and market research information
businesses. The sale provides more resources for our share repurchase program
and strengthens our already solid capital position," said Joseph E. Kasputys,
Chairman, and CEO of Primark. "I would also like to add how grateful I am for
having had the opportunity to work with the dedicated and capable employees of
TIMCO and wish them continued success and prosperity," he added.

Primark Corporation (www.primark.com), headquartered in Waltham, Massachusetts,
is a $400 million global information services company that collects, integrates
and delivers financial, economic and market research information. Primark has
customers in 61 countries and 80 offices in 21 countries, and serves financial,
corporate and government decision-makers worldwide.


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