CCC INFORMATION SERVICES GROUP INC. ANNOUNCES SHORT DELAY IN EARNINGS RELEASE


CHICAGO,  OCTOBER 20, 2004 - CCC Information Services Group Inc. (Nasdaq:  CCCG)
announced  today  that  it  has  delayed  its  earnings  release  which had been
scheduled for 11:00 a.m. EDT on October 20, 2004.  The sole purpose of the delay
is  to  permit  the  company  to review and finalize the accounting treatment of
options and warrants exercised in connection with its recent tender offer.  This
review does not relate to the operations of the business.  Management expects to
release  earnings  in approximately one week and is confident that the 10-Q will
be  filed  in  a  timely  fashion.

ABOUT  CCC

CCC Information Services Group Inc. (NASDAQ: CCCG), headquartered in Chicago, is
a  leading  supplier  of advanced software, communications systems, Internet and
wireless-enabled  technology  solutions  to  the automotive claims and collision
repair  industries.  Its  technology-based  products  and  services  optimize
efficiency  throughout  the entire claims management supply chain and facilitate
communication  among  approximately  21,000  collision  repair  facilities,  350
insurance  companies and a range of industry participants.  For more information
about  CCC  Information  Services,  visit  CCC's  Web  site  at  www.cccis.com.
This  release  contains  statements  that  constitute forward-looking statements
within  the meaning of Section 27A of the Securities Act of 1933 and Section 21E
of  the  Securities  Exchange  Act  of  1934  and are subject to the safe harbor
provisions of those sections and the Private Securities Litigation Reform Act of
1995.  Investors  are cautioned that any such forward-looking statements are not
guarantees  of future performance and involve risks and uncertainties, including
those  described  in the Company's filings with the SEC, and that actual results
or  developments  may  differ  materially  from  those  in  the  forward-looking
statements.  Specific  factors  that  might  cause actual results to differ from
expectations  include,  but  are  not  limited to, competition in the automotive
claims  and collision repair industries, the ability to develop new products and
services,  the prolonged sales and implementation cycle of some of the company's
new  products, the ability to protect trade secrets and proprietary information,
the  ability  to  generate  the  cash  flow  necessary  to  meet  the  Company's
obligations,  the  outcome  of  certain  legal  proceedings,  and other factors.
Readers  are  cautioned  not  to  place  undue reliance on these forward-looking
statements, which reflect management's analysis, judgment, belief or expectation
only  as  of  the  date  hereof.  The  Company  has  based these forward-looking
statements  on  information  currently  available and disclaims any intention or
obligation  to  update  or  revise  any  forward-looking  statement.