CCC INFORMATION SERVICES GROUP INC. ANNOUNCES UPDATE TO
                        3RD QUARTER EARNINGS RELEASE DATE

CHICAGO-October  27,  2004--CCC  Information  Services  Group Inc. (NASDAQ:CCCG)
announced  today that it has rescheduled its third quarter 2004 earnings release
for  Monday, November 1st.  The company will host a live web cast to discuss its
third  quarter  2004  earnings  at  11:00  a.m.  EST  at  www.cccis.com.

A  recording  of  the conference call will also be available on Monday, November
1st,  beginning at 1:00 p.m. EST, and will be available through November 8th, at
11:59  p.m.  EST.  To  access  the replay, simply call 888-286-8010 and then use
passcode  of  54958086.  A  replay  of  the  web  cast will also be available at
www.cccis.com.

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.