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Infinity Property and Casualty Reports 16% Growth in Earnings and 13% Growth in Book Value

BIRMINGHAM, Ala., Oct. 27, 2005 -- Infinity Property and Casualty Corporation , a national provider of personal automobile insurance with an emphasis on nonstandard auto insurance, today reported for the third quarter of 2005:

                  Three Months Ended Sept. 30,  Nine Months Ended Sept. 30,
  (in millions,except
   per share amounts
   and ratios)       2005     2004  % Change      2005     2004   % Change

  Gross written
   premiums         $230.0   $232.0  (0.9%)      $767.2    $707.2    8.5%
  Revenues          $262.8   $240.5    9.3%      $797.0    $709.1   12.4%

  Net earnings       $26.7    $23.0   16.2%       $74.4     $64.7   14.9%
  Net earnings per
   diluted share     $1.28    $1.10   16.4%       $3.56     $3.10   14.8%

  Operating
   earnings(1)       $18.6    $21.1  (12.0%)     $52.9     $60.9   (13.1%)
  Operating earnings
   per diluted
   share (1)         $0.89    $1.01  (11.9%)      $2.53     $2.92  (13.4%)

  Underwriting
   income (1)        $21.2    $22.0   (3.4%)      $66.4     $65.5    1.3%
  Combined ratio     91.3%    90.0%    1.3 pts    90.8%     89.9%    0.9 pts

  Book value per
   share            $28.54   $25.19   13.3%      $28.54    $25.19   13.3%

  Return on equity   18.3%    18.4%   (0.1) pts   17.4%     17.7%  (0.3) pts
  Operating income
   return on
   equity (1)        12.8%    16.9%   (4.2) pts   12.4%     16.7%  (4.3) pts

  Debt to total
   capital           25.3%    27.8%   (2.5) pts   25.3%     27.8%  (2.5) pts

   (1) Measures used in this release that are not based on generally
       accepted accounting principles ("non-GAAP") are defined at the end of
       this release and reconciled to the most comparable GAAP measure.

In Infinity's 17 focus states, personal auto gross written premiums grew 1.2% and 12.2% compared to the three months and nine months ended September 30, 2004. Personal auto policies-in-force in the 17 focus states grew 11.0% compared to September 30, 2004. Personal auto premium growth in California, Infinity's largest state, was 5.2% compared to the third quarter of the prior year. Personal auto policy counts in California were up 4.2% compared to September 30, 2004.

Revenues for the three months and nine months ended September 30, 2005 increased primarily due to higher earned premiums. Earned premiums increased 10.6% and 11.2% for the three months and nine months ended September 30, 2005. Realized gains from sales of securities of $22.3 million also contributed to revenue growth for the nine months ended September 30, 2005.

Net earnings for the three and nine months ended September 30, 2005 include a $6.9 million tax benefit from the utilization of net operating loss carry-forwards. Net earnings for the same periods of the prior year include a $2.1 million tax benefit from the utilization of alternative minimum tax credits.

Pre-tax losses from hurricanes Katrina and Rita were a combined $1.3 million and contributed 0.5 points to the net combined ratio in the third quarter of 2005. In comparison, pre-tax losses from the four hurricanes in the third quarter of 2004 were $1.9 million and contributed 0.9 points to the net combined ratio.

  2005 Earnings Guidance
  Infinity is affirming its guidance of $3.20-$3.40 per diluted share.

  Forward-Looking Statements

This press release contains certain statements that may be deemed to be "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. All statements in this press release not dealing with historical results are forward-looking and are based on estimates, assumptions and projections. Statements which include the words "believes," "expects," "may," "should," "intends," "plans," "anticipates," "estimates," or the negative version of these words and similar statements of a future or forward looking nature identify forward looking statements. Examples of such forward looking statements include statements relating to Infinity's expectations concerning market conditions, premium growth, earnings, investment performance, expected losses, rate changes and loss experience.

Actual results could differ materially from those expected by Infinity depending on certain risks and uncertainties including but not limited to changes in economic conditions and financial markets (including interest rates), the adequacy or accuracy of Infinity's pricing methodologies, the actions of our competitors, the time to receive approval for the rollout of new programs and requested rate changes, judicial and regulatory developments affecting the automobile insurance industry, the outcome of pending litigation against Infinity, weather conditions (including the severity and frequency of storms, hurricanes, snowfalls, hail and winter conditions) and changes in driving patterns and loss trends. Infinity undertakes no obligation to publicly update or revise any of the forward-looking statements. For more detailed discussion of some of the foregoing risks and uncertainties, see Infinity's filings with the Securities and Exchange Commission.

Conference Call

The Company will hold a conference call to discuss 2005 third quarter results at 11:00 a.m. (ET) today, October 27. There are two alternative communication modes available to listen to the call. Telephone access will be available by dialing 1-800-295-4740 and providing the confirmation code 95569473. Please dial 5 to 10 minutes prior to the scheduled start time. A replay of the call will also be available one hour following the completion of the call, at around 12:00 p.m. (ET), and will run until 8:00 p.m. on Thursday, November 3, 2005. To listen to the replay, dial 1-888-286-8010 and provide the confirmation code 10139904. The conference call will also be broadcast live over the Internet. To listen to the call via the Internet, go to Infinity's website, http://www.ipacc.com/, click on Investor Relations and follow the instructions at the webcast link. The archived webcast will be available on Infinity's website approximately one hour following the completion of the call and will be available for one year.

  Infinity Property and Casualty Corporation
  Statement of Earnings
  (in millions, except EPS)

                         For the Three Months       For the Nine Months
                           Ended September 30,      Ended September 30,
                           2005         2004         2005         2004
  Income:
   Earned premiums        $243.9       $220.5       $722.7       $649.6
   Net investment income    16.2         16.1         48.9         49.2
   Realized gains (1)        1.8          2.8         22.3          5.9
   Other income (2)          0.9          1.1          3.1          4.4
                           262.8        240.5        797.0        709.1
  Expenses:
   Loss and loss adjustment
    expenses (3)           168.4        151.6        500.9        449.8
   Commissions and other
    underwriting expenses   54.3         47.0        155.4        134.4
   Interest expense
    on debt                  2.8          2.9          8.3          8.0
   Corporate general and
    administrative expenses  1.8          1.5          5.1          4.8
   Loss on retirement
    of long-term debt          -            -            -          3.4
   Other expenses (4)        6.6          6.3         26.1         14.9
                           233.9        209.3        695.8        615.3
  Income before taxes       28.9         31.2        101.1         93.8
  Income taxes (5)           2.2          8.3         26.8         29.1
  Net earnings             $26.7        $23.0        $74.4        $64.7

  Net earnings
   per share - basic       $1.29        $1.12        $3.60        $3.15

  Weighted average
   shares - basic         20.642       20.567       20.632       20.555

  Net earnings
   per share - diluted     $1.28        $1.10        $3.56        $3.10

  Weighted average
   shares - diluted       20.889       20.841       20.882       20.855

     Note: Columns may not foot due to rounding

   Notes:
   (1) Realized gains for the nine months ended September 30, 2005 include
       $19.8 million of taxable gains from securities sold to utilize a
       portion of the available tax loss carry-forward.
   (2) Other income for the nine months ended September 30, 2004 includes a
       $1.1 million pre-tax gain from the sale of a building in Dallas,
       Texas.
   (3) Loss and loss adjustment expenses for the three months and nine
       months ended September 30, 2005 includes $2.4 million and $18.9
       million, respectively, of favorable development on prior accident
       period loss and loss adjustment expense reserves.
       Loss and loss adjustment expenses for the three months and nine
       months ended September 30, 2004 includes $4.3 million and $6.8
       million, respectively, of favorable development on prior accident
       period loss and loss adjustment expense reserves.
   (4) Other expenses for the nine months ended September 30, 2005 include a
       $2.6 million pre-tax loss from subleased space.  Other expenses for
       the nine months ended September 30, 2005 also increased as a result
       of higher than average premium receivables charged off in the second
       and third quarters of 2005 from more liberal credit terms in several
       states and higher than average corporate litigation expenses in the
       first quarter of 2005.
       Other expenses for the nine months ended September 30, 2004 include a
       $0.7 million pre-tax loss related from subleased space.
   (5) Income taxes for the three and nine months ended September 30, 2005
       include a $6.9 million tax benefit from the utilization of net
       operating loss carryforwards.
       Income taxes for the three and nine months ended September 30, 2004
       include a $2.1 million tax benefit from the utilization of
       Alternative Minimum Tax credits originating in years prior to 2003.

  Infinity Property and Casualty Corporation
  Condensed Balance Sheet
  (in millions, except book value per share)

                                                For the Period Ended
                                             September 30,      June 30,
                                                 2005             2005
  Assets:
   Investments:
    Fixed maturities (1)                        $1,299.0       $1,180.8
    Equity securities                               56.0           43.6
      Total investments                          1,355.0        1,224.5
   Cash and cash equivalents (1)                    87.9          227.3
   Accrued investment income                        14.7           15.2
   Agents' balances and premiums receivable        295.2          306.9
   Prepaid reinsurance premiums                     11.0           12.1
   Amounts recoverable from reinsurers              22.4           22.7
   Deferred policy acquisition costs                76.1           79.2
   Current and deferred income taxes (2)            26.5            7.6
   Prepaid expenses, deferred charges
    and other assets                                21.8           27.4
   Goodwill                                         75.3           75.3
     Total assets                               $1,985.9       $1,998.1

   Liabilities and Shareholders' Equity:
   Unpaid losses and loss adjustment expenses     $640.4         $644.4
   Unearned premium                                423.0          440.8
   Amounts payable to reinsurers                     4.5            4.3
   Long-term debt                                  199.4          199.3
   Commissions payable                              29.6           29.9
   Accounts payable, accrued expenses
    and other liabilities                          100.0          102.8
        Total liabilities                        1,396.9        1,421.6

   Shareholders' Equity
   Common stock                                     20.7           20.7
   Additional paid-in capital                      331.2          330.8
   Treasury Stock (3)                               (1.1)          (0.1)
   Retained Earnings (4)                           237.3          211.9
   Unearned compensation (restricted stock)         (0.1)          (0.1)
   Unrealized gains, net (5)                         1.0           13.3
     Total shareholders' equity                    589.0          576.5
     Total liabilities and
      shareholders' equity                      $1,985.9       $1,998.1

  Shares Outstanding                              20.641         20.653
  Book Value per Share                            $28.54         $27.91

     Note:  Columns may not foot due to rounding

   Notes:
   (1) Cash received from sales of securities in the second quarter was
       reinvested in longer term securities during the third quarter
       resulting in the decline in cash and short-term investments.
   (2) The increase in current and deferred income tax asset is a result of
       a reduction in unrealized gains on securities and a reduction in the
       valuation allowance relating to capital loss carryforwards.
   (3) Infinity repurchased 29,720 shares for an average cost of $33.59 per
       share in the third quarter of 2005.
   (4) Net income of $26.7 million less shareholder dividends of $1.2
       million resulted in the increase in retained earnings from June 2005.
   (5) Unrealized gains fell by $12.3 million for the quarter primarily as a
       result of a general increase in market interest rates during the
       third quarter.

  Definitions of Non-GAAP Financial and Operating Measures

Operating earnings are defined as net income, before realized gains and losses and the cumulative effect of a change in accounting principle, after tax. Infinity reports this non-GAAP measure because realized gains and losses can be volatile and because it is a measure used often by investors in evaluating insurance companies. Net earnings are the most comparable GAAP measure.

Underwriting income measures the insurer's profit on insurance sales after all losses and expenses have been paid. It is calculated by deducting loss and loss adjustment expenses and underwriting expenses from premiums earned. Infinity reports this non-GAAP measure to show profitability before inclusion of investment income or taxes and because it is a measure used often by investors in evaluating insurance companies. Net earnings are the most comparable GAAP measure.

Below is a schedule that reconciles operating earnings and underwriting income, both non-GAAP measures, to net earnings:

                            For the Three Months       For the Nine Months
                            Ended September 30,        Ended September 30,

 (in millions, except EPS)   2005         2004         2005         2004

  Earned premiums           $243.9       $220.5       $722.7       $649.6

  Loss and loss adjustment
   expenses                  168.4        151.6        500.9        449.8
  Commissions and other
   underwriting expenses      54.3         47.0        155.4        134.4

  Underwriting income         21.2         22.0         66.4         65.5

  Net investment income       16.2         16.1         48.9         49.2
  Other income                 0.9          1.1          3.1          4.4
  Interest expense on debt    (2.8)        (2.9)        (8.3)        (8.0)
  Corporate general and
   administrative expenses    (1.8)        (1.5)        (5.1)        (4.8)
  Loss on retirement of
   long-term debt                -            -            -         (3.4)
  Other expenses              (6.6)        (6.3)       (26.1)       (14.9)

  Pre-tax operating income    27.1         28.4         78.8         88.0

    Income tax expense         8.5          7.3         25.9         27.0

  Operating earnings,
    after-tax                 18.6         21.1         52.9         60.9
  Realized gains               1.8          2.8         22.3          5.9
  Income tax expense
   (benefit)                   0.6          1.0          7.8          2.0
  Utilization of capital
   loss carry-forward         (6.9)           -         (6.9)           -
      Realized gains
      (after-tax)              8.1          1.8         21.4          3.8

  Net earnings               $26.7        $23.0        $74.4        $64.7

  Operating earnings
   per share - diluted       $0.89        $1.01        $2.53        $2.92
  Net realized gains          0.06         0.09         0.70         0.18
  Utilization of capital
   loss carry-forward         0.33            -         0.33            -
  Net earnings per
   share - diluted           $1.28        $1.10        $3.56        $3.10

     Note: Columns may not foot due to rounding

Infinity also makes available an investor supplement on our website. To access the supplemental financial information, go to www.ipacc.com and click on "Investor Relations" followed by "Quarterly Reports."