<PAGE>
EXHIBIT 11
CCC INFORMATION SERVICES GROUP INC. AND SUBSIDIARIES
STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS
(IN THOUSANDS)
(UNAUDITED)
<TABLE>
<CAPTION>
Three Months Nine Months
Ended September 30, Ended September 30,
--------------------- --------------------
2000 1999 2000 1999
-------- -------- -------- --------
<S> <C> <C> <C> <C>
Per share income (loss) before dividends
and accretion on preferred stock:
Income (loss) before dividends and accretion
on preferred stock $(7,602) $ 568 $14,190 $ (368)
======= ======= ======= =======
Weighted average common shares outstanding:
Shares attributable to common stock outstanding 21,613 22,429 21,906 23,172
Shares attributable to common stock
equivalents outstanding -- 241 315 306
------- ------- ------- -------
21,613 22,670 22,221 23,478
======= ======= ======= =======
Per share income (loss) before dividends and
accretion on preferred stock $ (0.35) $ 0.03 $ 0.64 $ (0.02)
======= ======= ======= =======
Per share dividends and accretion on mandatorily
redeemable preferred:
Dividends and accretion on mandatorily
redeemable preferred: $ -- $ -- $ -- $ (2)
======= ======= ======= =======
Weighted average common shares outstanding:
Shares attributable to common stock outstanding 21,613 22,429 21,906 23,172
Shares attributable to common stock
equivalents outstanding -- 241 315 306
------- ------- ------- -------
21,613 22,670 22,221 23,478
======= ======= ======= =======
Per share dividends and accretion on mandatorily
redeemable preferred: $ -- $ -- $ -- $ --
======= ======= ======= =======
Net income (loss) per share applicable to common stock:
Net income (loss) applicable to common stock $(7,602) $ 568 $14,190 $ (370)
======= ======= ======= =======
Weighted average common shares outstanding:
Shares attributable to common stock outstanding 21,613 22,429 21,906 23,172
Shares attributable to common stock
equivalents outstanding -- 241 315 306
------- ------- ------- -------
21,613 22,670 22,221 23,478
======= ======= ======= =======
Net income (loss) per share applicable to common stock: $ (0.35) $ 0.03 $ 0.64 $ (0.02)
======= ======= ======= =======
</TABLE>