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Infinity Property and Casualty Reports 3.6% Growth in Gross Written Premium on Improved Underwriting and Announces New Share Repurchase Program

BIRMINGHAM, Ala., Oct. 24, 2006 -- Infinity Property and Casualty Corporation , a national provider of personal automobile insurance with a concentration on nonstandard auto insurance, today reported for the third quarter and first nine months of 2006:

                     Three Months Ended            Nine Months Ended
                        September 30,                 September 30,
                                        %                              %
  (in millions,   2006      2005      Change     2006      2005      Change
   except per
   share amounts
   and ratios)

  Gross written
   premiums      $238.4    $230.0      3.6%     $727.4    $767.2     (5.2%)
  Revenues       $252.0    $262.8     (4.1%)    $757.8    $797.0     (4.9%)

  Net earnings    $15.8     $26.7    (40.8%)     $64.9     $74.4    (12.8%)
  Net earnings
   per diluted
   share          $0.78     $1.28    (39.1%)     $3.13     $3.56    (12.1%)
  Operating
   earnings (1)   $16.7     $18.6    (10.1%)     $65.3     $52.9     23.4%
  Operating
   earnings
   per diluted
   share (1)      $0.82     $0.89     (7.9%)     $3.15     $2.53     24.5%

  Underwriting
   income (1)     $13.5     $12.3      9.2%      $62.2     $41.6     49.3%
  Combined ratio  94.3%     94.9%   (0.6) pts    91.2%     94.2%   (3.0) pts

  Book value
   per share     $32.98    $28.54     15.6%     $32.98    $28.54     15.6%

  Return on
   equity          9.7%     18.3%   (8.6) pts    13.5%     17.4%   (4.0) pts
  Operating
   income return
   on equity (1)  10.3%     12.8%   (2.5) pts    13.6%     12.4%    1.1  pts

  Debt to total
   capital        23.2%     25.3%   (2.1) pts    23.2%     25.3%   (2.1) 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.

  (2) Beginning January 1, 2006, Infinity began including corporate
      litigation expense on losses, except for class action lawsuits, and
      bad debt charge-offs on agent balances and premium receivables in
      underwriting income and the combined ratio.  Information for 2005 has
      been reclassed to conform to the 2006 presentation.  This reclass had
      no impact on 2005 shareholders' equity or net income.

Gross written premiums for the three months ended September 30, 2006 grew 3.6% compared with the same period of 2005. Excluding the business assumed from Great American Insurance Company ("GAI"), which is currently in runoff, gross written premiums during the third quarter of 2006 increased 9.8% compared with the third quarter of 2005.

Revenues for the three months ended September 30, 2006 declined primarily as a result of a 3.2% decline in earned premium. In addition to a decline in earned premiums, revenues for the nine months ended September 30, 2006 declined as Infinity recognized $22.3 million of realized gains during the first nine months of 2005 compared with $1.8 million of realized losses during the first nine months of 2006.

Net earnings for the three and nine months ended September 30, 2005 include a $6.9 million tax benefit from the utilization of net capital loss carry-forwards. In comparison, net earnings for the three and nine months ended September 30, 2006 included tax benefits from the utilization of net capital loss carry-forwards of $0.2 million and $0.7 million, respectively.

  2006 Earnings Guidance
  Infinity is affirming its operating earnings guidance of $3.95-$4.25.

  Share Repurchase Program

Infinity's Board of Directors has authorized a new program to repurchase shares up to $100 million over two years following the completion of the current repurchase program. The current program, which provides Infinity the authority to repurchase $50 million of its shares, has $16 million remaining and is expected to be completed before the end of the first quarter of 2007.

Forward-Looking Statements

This press release contains certain statements that may be deemed to be "forward-looking statements" that anticipate results based on our estimates, assumptions and plans that are subject to uncertainty. These statements are made subject to the safe-harbor provisions of the Private Securities Litigation Reform Act of 1995. All statements in this press release not dealing with historical results or current facts are forward-looking and are based on estimates, assumptions, and projections. Statements that include the words "believes," "seeks," "expects," "may," "should," "intends," "likely," "targets," "plans," "anticipates," "estimates" or the negative version of those 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 expectations concerning market conditions, premiums, growth, earnings, investment performance, expected losses, rate changes and loss experience.

Actual results could differ materially from those expected by Infinity depending on: changes in economic conditions and financial markets (including interest rates), the adequacy or accuracy of Infinity's pricing methodologies, actions of competitors, the approval of requested form and 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), changes in driving patterns and loss trends. Infinity undertakes no obligation to publicly update or revise any of the forward-looking statements. For a more detailed discussion of some of the foregoing risks and uncertainties which could cause actual results to differ from those contained in the forward-looking statements, see Infinity's filings with the Securities and Exchange Commission.

Conference Call

The Company will hold a conference call to discuss 2006 third quarter results at 11:00 a.m. (ET) today, October 24. There are two alternative communication modes available to listen to the call. Telephone access will be available by dialing 1-866-578-5747 and providing the confirmation code 73812664. 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 1:00 p.m. (ET), and will run until 8:00 p.m. on Tuesday, October 31, 2006. To listen to the replay, dial 1-888-286-8010 and provide the confirmation code 59615265. 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       For the Nine
                                         Months Ended        Months Ended
                                         September 30,       September 30,

                                        2006      2005      2006      2005
  Revenues:
    Earned premiums                   $236.1    $243.9     $706.0    $722.7
    Net investment income               16.9      16.2       51.5      48.9
    Realized gains (losses) on
     investments (1)                    (1.8)      1.8       (1.8)     22.3
    Other income                         0.8       0.9        2.1       3.1
    Total revenues                     252.0     262.8      757.8     797.0

  Costs and Expenses:
    Loss and loss adjustment
     expenses (2)                      164.0     172.9      472.2     512.6
    Commissions and other
     underwriting expenses (3)          58.7      58.7      171.7     168.4
    Interest expense                     2.8       2.8        8.3       8.3
    Corporate general and
     administrative expenses             1.7       1.8        5.5       5.1
    Other expenses (4)                   1.7      (2.2)       3.6       1.4
    Total costs and expenses           228.8     233.9      661.2     695.8

  Earnings before income taxes          23.2      28.9       96.6     101.1
  Provision for income taxes (5)         7.4       2.2       31.7      26.8
  Net earnings                         $15.8     $26.7      $64.9     $74.4

  Earnings per common share:
  Basic                                $0.78     $1.29      $3.16     $3.60
  Diluted                              $0.78     $1.28      $3.13     $3.56

  Average number of common shares:
  Basic                               20.197    20.642     20.483    20.632
  Diluted                             20.388    20.889     20.703    20.882

  Cash dividends per common share     $0.075    $0.060     $0.225    $0.180

      Note:  Columns may not foot due to rounding

  Notes:
  (1) Realized losses for the three months and nine months ended September
      30, 2006, include $0.7 million and $1.9 million, respectively, of
      taxable gains from securities sold to utilize a portion of the
      available tax loss carry-forward.

      Realized gains for the three months and nine months ended September
      30, 2005, include $2.7 million and $19.8 million, respectively, of
      taxable gains from securities sold to utilize a portion of the
      available tax loss carry-forward.

  (2) Beginning January 1, 2006, Infinity began including extra-contractual
      losses and related litigation expenses in loss and loss adjustment
      expenses.  Information for 2005 has been reclassed to conform to the
      2006 presentation.  This reclass had no impact on 2005 shareholders'
      equity or net income.

      Loss and loss adjustment expenses for the three months ended September
      30, 2006, include $0.1 million of unfavorable development on prior
      accident period loss and loss adjustment expense reserves.  Loss and
      loss adjustment expenses for the nine months ended September 30, 2006,
      include $24.5 million of favorable development on prior accident
      period loss and loss adjustment expense reserves.

      Loss and loss adjustment expenses for the three months ended September
      30, 2005, include $2.1 million of unfavorable development on prior
      accident period loss and loss adjustment expense reserves.  Loss and
      loss adjustment expenses for the nine months ended September 30, 2005
      include $7.1 million of favorable development on prior accident period
      loss and loss adjustment expense reserves.

  (3) Beginning January 1, 2006, Infinity began including bad debt charge-
      offs on agent balances and premium receivables in commissions and
      other underwriting expenses.  Information for 2005 has been reclassed
      to conform to the 2006 presentation.  This reclass had no impact on
      2005 shareholders' equity or net income.

  (4) Other expenses for the three months ended September 30, 2005 include a
      $2.7 million reduction in reserves for class action lawsuits.

  (5) Income taxes for the three and nine months ended September 30, 2006
      include a $0.2 million and $0.7 million tax benefit from the
      utilization of net capital loss carry-forwards.

      Income taxes for the three and nine months ended September 30, 2005
      include a $6.9 million tax benefit from the utilization of net capital
      loss carry-forwards.

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

                                                     For the Period Ended
                                                 September 30,     June 30,
                                                     2006            2006
  Assets:
    Investments:
      Fixed maturities, at fair value              $1,272.4       $1,272.4
      Equity securities, at fair value                 80.9           65.6
            Total investments                       1,353.3        1,338.0
    Cash and cash equivalents                          67.5           68.3
    Accrued investment income                          14.9           16.3
    Agents' balances and premiums receivable          321.8          310.0
    Prepaid reinsurance premiums                        5.9            7.6
    Recoverables from reinsurers                       19.9           19.4
    Deferred policy acquisition costs                  73.7           73.4
    Current and deferred income taxes                  35.3           41.9
    Prepaid expenses, deferred
     charges and other assets                          15.2           16.4
    Goodwill                                           75.3           75.3
            Total assets                           $1,982.8       $1,966.5

  Liabilities and Shareholders' Equity:
  Liabilities:
    Unpaid losses and loss adjustment expenses       $587.3         $592.1
    Unearned premiums                                 417.1          417.9
    Payable to reinsurers                               1.0            0.1
    Long-term debt                                    199.4          199.4
    Commissions payable                                29.6           29.0
    Accounts payable, accrued
     expenses and other liabilities                    89.6           84.9
            Total liabilities                       1,324.1        1,323.4

  Shareholders' Equity:
    Common stock                                       20.8           20.8
    Additional paid-in capital                        335.3          334.8
    Retained earnings (1)                             340.7          325.1
    Net unrealized loss (2)                            (3.8)         (21.0)
    Treasury stock, at cost (3)                       (34.3)         (16.5)
            Total shareholders' equity                658.7          643.2
            Total liabilities and
             shareholders' equity                  $1,982.8       $1,966.5

  Shares outstanding                                 19.976         20.411
  Book value per share                               $32.98         $31.51

      Note:  Columns may not foot due to rounding

  Notes:
  (1) Net income of $15.8 million less shareholder dividends of $1.5 million
      resulted in the increase in retained earnings from June 2006.

  (2) Unrealized losses decreased for the quarter primarily as a result of a
      general decline in market interest rates during the third quarter of
      2006.

  (3) Infinity repurchased 451,000 shares during the second quarter of 2006
      at an average price of $39.37.

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

  (in millions, except EPS)            2006       2005      2006      2005

  Earned premiums                    $236.1     $243.9     $706.0    $722.7
  Loss and loss adjustment
   expenses (1)                      (164.0)    (172.9)    (472.2)   (512.6)
  Commissions and other
   underwriting expenses (2)          (58.7)     (58.7)    (171.7)   (168.4)

  Underwriting income                  13.5       12.3       62.2      41.6

  Net investment income                16.9       16.2       51.5      48.9
  Other income                          0.8        0.9        2.1       3.1
  Interest expense                     (2.8)      (2.8)      (8.3)     (8.3)
  Corporate general and
   administrative expenses             (1.7)      (1.8)      (5.5)     (5.1)
  Other expenses (3)                   (1.7)       2.2       (3.6)     (1.4)

  Pre-tax operating earnings           25.0       27.1       98.4      78.8

     Provision for income taxes        (8.3)      (8.5)     (33.0)    (25.9)

  Operating earnings, after-tax        16.7       18.6       65.3      52.9

     Realized gains on
      investments, pre-tax             (1.8)       1.8       (1.8)     22.3
     Provision for income taxes         0.6       (0.6)       0.6      (7.8)
     Utilization of capital loss
      carry-forward                     0.2        6.9        0.7       6.9
           Realized gains on
            investments, after-tax     (0.9)       8.1       (0.5)     21.4

  Net earnings                        $15.8      $26.7      $64.9     $74.4

  Operating earnings
   per share - diluted                $0.82      $0.89      $3.15     $2.53
  Net realized gains (losses) on
   investments                        (0.05)      0.06      (0.05)     0.70
  Utilization of capital loss
   carry-forward                       0.01       0.33       0.03      0.33
  Net earnings
   per share - diluted                $0.78      $1.28      $3.13     $3.56

      Note: Columns may not foot due to rounding

  (1) Beginning January 1, 2006, Infinity began including corporate
      litigation expense on losses, except for class action lawsuits, in
      loss and loss adjustment expenses.  Information for 2005 has been
      reclassed to conform to the 2006 presentation.  This reclass had no
      impact on 2005 shareholders' equity or net income.

  (2) Beginning January 1, 2006, Infinity began including bad debt charge-
      offs on agent balances and premium receivables in commissions and
      other underwriting expenses.  Information for 2005 has been reclassed
      to conform to the 2006 presentation.  This reclass had no impact on
      2005 shareholders' equity or net income.

  (3) Other expenses for the three months ended September 30, 2005 include a
      $2.7 million reduction in reserves for class action lawsuits.

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."