EXHIBIT 99.1

CONTACT: Mark Dombrowski, Public and Media Relations
         1-800-458-0811 ext. 2285 or 814/870-2285

         Erie Indemnity Provides Supplemental First Quarter Data

Erie, Pa., April 26, 2004 - Erie Indemnity  Company (Nasdaq:  ERIE) is providing
supplemental  information  in response to questions  raised during the Company's
April 23, 2004 webcast and conference call which  discusses first quarter,  2004
financial results.

The  following  table  presents  the  amount  of  cancellation  premium,   which
represents  written but unearned  premium  associated  with  policies  cancelled
during the respective calendar quarters. Cancellation premium is charged against
the gross  written  premium  in the  Property  & Casualty  Group  Statements  of
Operations in the period when the policy is cancelled. The percentages presented
in the right column  reflect the  proportion  of  cancellation  premium to total
gross written premium during the respective calendar quarter.


   Quarter                           Cancellation        % Of Gross Written
    Ended                              Premium               Premium
- ----------------------------------------------------------------------------
March 31, 2002                      $ 52,118,848               6.81%
June 30, 2002                         55,501,632               6.29
September 30, 2002                    61,915,798               6.89
December 31, 2002                     63,710,413               7.60
March 31, 2003                        72,013,010               7.68
June 30, 2003                         74,179,130               7.08
September 30, 2003                    85,704,049               8.11
December 31, 2003                     90,929,672               9.54
March 31, 2004                      $107,249,704              10.04%


The following table presents the reported Statutory Combined Ratio (not adjusted
for the profit  component of the management fee paid to Erie Indemnity  Company)
for  Private  Passenger  Automobile  policies of the Erie  Insurance  Property &
Casualty Group for the respective calendar quarters.

                                                Erie Insurance
                                            Property & Casualty Group
                                           Reported Statutory Combined
    Quarter                                Ratio for Private Passenger
     Ended                                        Automobile
- ---------------------------------------------------------------------
March 31, 2002                                      113.06%
June 30, 2002                                       113.30
September 30, 2002                                  116.87
December 31, 2002                                   163.87
March 31, 2003                                      118.50
June 30, 2003                                       104.96
September 30, 2003                                  104.99
December 31, 2003                                   107.06
March 31, 2004                                      106.21%


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Erie Indemnity Company provides  management  services to the member companies of
the Erie Insurance Group, which includes the Erie Insurance  Exchange,  Flagship
City Insurance  Company,  Erie Insurance  Company,  Erie Insurance  Property and
Casualty  Company,  Erie  Insurance  Company  of New York and Erie  Family  Life
Insurance Company.

According  to  A.M.  Best  Company,   Erie  Insurance  Group,   based  in  Erie,
Pennsylvania,  is the 16th largest automobile insurer in the United States based
on direct premiums written and the 20th largest property/casualty insurer in the
United  States  based on total lines net premium  written.  The Group,  rated A+
(Superior) by A.M. Best Company, has more than 3.7 million policies in force and
operates in 11 states and the District of Columbia.  Erie Insurance Group ranked
368 on the FORTUNE 500 and is included in Forbes Magazine's PLATINUM 400 list of
the best-managed companies in America.

News releases and more information  about Erie  Insurance Group are available at
http://www.erieinsurance.com
- ----------------------------

"Safe Harbor"  Statement Under the Private  Securities  Litigation Reform Act of
1995:  Certain  forward-looking  statements  contained  herein involve risks and
uncertainties.   These  statements  include  certain  discussions   relating  to
management fee revenue, cost of management operations, underwriting, premium and
investment  income  volume,  business  strategies,  profitability  and  business
relationships  and the  Company's  other  business  activities  during  2004 and
beyond. In some cases, you can identify forward-looking statements by terms such
as "may,"  "will,"  "should,"  "could,"  "would,"  "expect,"  "plan,"  "intend,"
"anticipate,"  "believe,"  "estimate,"  "project,"  "predict,"  "potential"  and
similar  expressions.  These  forward-looking  statements  reflect the Company's
current views about future events,  are based on assumptions  and are subject to
known and  unknown  risks and  uncertainties  that may cause  results  to differ
materially from those anticipated in those statements.  Many of the factors that
will determine  future events or achievements  are beyond our ability to control
or predict.

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