Condensed Consolidated Statements of Income

                                         Three Months Ended                Six Months Ended                Twelve Months Ended
                                              June 30,                         June 30,                          June 30,
                                      -------------------------      ----------------------------       ---------------------------
                                                      % Change                          % Change                           % Change
                                                          Fav/                              Fav/                              Fav/
                                       1999     1998    (Unfav)        1999       1998    (Unfav)          1999      1998    (Unfav)
                                       -----    -----   -------        -----      -----   -------          -----     -----   ------
                                         (Millions)                      (Millions)                           (Millions)
Operating Revenues
                                                                                                    
     Electric                         $276.7   $304.5      (9)%      $ 531.9    $ 581.1      (8)%       $1,175.0  $1,241.6     (5)%
     Electric interchange               56.2    112.7     (50)         150.2      209.0     (28)           498.4     304.5     64
     Gas                                45.2     49.8      (9)         168.3      166.4       1            289.7     296.2     (2)
     Diversified enterprises           101.2     80.3      26          177.3      166.2       7            372.5     676.6    (45)
                                      ------    -----                -------    -------                 --------  --------
       Total                           479.3    547.3     (12)       1,027.7    1,122.7      (8)         2,335.6   2,518.9     (7)
                                      ------    -----                -------    -------                 --------  --------

Operating Expenses
     Fuel for electric plants           60.0     53.9     (11)         111.4      109.6      (2)           252.0     244.5     (3)
     Power purchased                    46.7    229.4      80           98.4      326.5      70            507.1     463.0    (10)
     Gas purchased for resale           17.0     22.4      24           89.5       88.4      (1)           150.7     173.6     13
     Diversified enterprises           114.5     85.0     (35)         196.0      179.7      (9)           408.3     712.8     43
     Other operating and maintenance   107.1    122.9      13          258.8      231.7     (12)           565.0     460.7    (23)
     Depreciation and amortization      44.9     50.5      11           89.4      101.2      12            191.8     201.7      5
     Amortization of regulatory asset    6.2      -      (100)           7.7        -      (100)             7.7       -     (100)
     General taxes                      22.9     34.3      33           52.8       73.0      28            103.0     135.1     24
     Clinton plant impairment loss       -        -        -             -          -        -           2,341.2       -     (100)
                                      ------    -----                -------    -------                 --------  --------
       Total                           419.3    598.4      30          904.0    1,110.1      19          4,526.8   2,391.4    (89)
                                      ------    -----                -------    -------                 --------  --------

Operating Income (Loss)                 60.0    (51.1)     -           123.7       12.6     -           (2,191.2)    127.5     -
                                      ------    -----                -------    -------                 --------  --------
Other Income
     Miscellaneous - net                 6.3      2.8     125           17.2        1.3     -               19.0       2.6     -
     Equity earnings in affiliates       2.9      3.4     (15)           3.4        8.9     (62)            17.0      20.0    (15)
                                      ------    -----                -------    -------                 --------  --------
       Total                             9.2      6.2      48           20.6       10.2     102             36.0      22.6     59
                                      ------    -----                -------    -------                 --------  --------

Income (Loss) Before Interest Charges
     and Income Taxes                   69.2    (44.9)     -           144.3       22.8      -          (2,155.2)    150.1     -
                                      ------    -----                -------    -------                 --------  --------

Interest Charges
     Interest expense                   46.8     35.9     (30)          89.9       72.5     (24)           163.4     142.5    (15)
     Allowance for borrowed funds
       used during construction         (2.0)    (1.2)     67           (3.2)      (2.3)     39             (4.1)     (4.6)   (11)
     Preferred dividend requirements
       of subsidiary                     4.7      5.0       6            9.7        9.9       2             19.6      20.5      4
                                      ------    -----                -------    -------                 --------  --------
       Total                            49.5     39.7     (25)          96.4       80.1     (20)           178.9     158.4    (13)
                                      ------  -------                -------    -------                 --------  --------

Income (Loss) Before Income Taxes       19.7    (84.6)    123           47.9      (57.3)    184         (2,334.1)     (8.3)    -
                                      ------    -----                -------    -------                 --------  --------

Income Taxes
     Income tax - impairment loss        -        -        -             -          -        -            (853.6)      -      100
     ITC - Clinton impairment            -        -        -             -          -        -            (160.4)      -      100
     Other income taxes                 10.7    (37.6)   (128)          22.0      (33.3)   (166)            13.0     (13.3)  (198)
                                      ------    -----                -------    -------                 --------  --------
       Total                            10.7    (37.6)   (128)          22.0      (33.3)   (166)        (1,001.0)   (13.3)     -
                                      ------    -----                -------    -------                 --------  --------

Net Income (Loss) Before
     Extraordinary Item                  9.0    (47.0)    119           25.9      (24.0)     -          (1,333.1)      5.0     -

Extraordinary Item Net of Income Tax
     Benefit of $118.0 Million           -        -        -             -          -        -               -      (195.0)  (100)
                                      ------    -----                -------    -------                 --------  --------
Net Income (Loss)                        9.0    (47.0)    119           25.9      (24.0)     -          (1,333.1)   (190.0)    -
     Carrying amount over (under)
       consideration paid for redeemed
       preferred stock of subsidiary    (0.3)     -      (100)           0.5        -       100              0.5       0.2    150
                                      ------    -----                -------    -------                 --------  --------

Net Income (Loss) Applicable
     to Common Stock                  $  8.7   $(47.0)    119        $  26.4 $    (24.0)    -          $(1,332.6) $ (189.8)    -
                                      ======    =====                =======    =======                 ========  ========

Weighted average common shares          69.9     71.7                   69.9       71.7                     70.8      72.0

Earnings (loss) per common share before
     extraordinary item (basic
     and diluted)                      $0.12   ($0.66)                 $0.38     ($0.34)                 ($18.82)    $0.07

Extraordinary item per common share
     (basic and diluted)                -        -                      -          -                        -       ($2.71)

Earnings (loss) per common share
     (basic and diluted)               $0.12   ($0.66)                 $0.38     ($0.34)                 ($18.82)   ($2.64)

Cash dividends declared
     per common share                  $0.31    $0.31                  $0.62      $0.62                    $1.24     $1.24
Cash dividends paid
     per common share                  $0.31    $0.31                  $0.62      $0.62                    $1.24     $1.24




These  statements are submitted as a matter of general  information  and are not
intended to induce,  or to be used in connection  with,  any sale or purchase of
securities.  These  unaudited  statements  should  be read in  conjunction  with
Illinova's and Illinois Power Company's 1999 Quarterly  Reports on Form 10-Q and
Form 8-K filings to the  Securities  and Exchange  Commission,  Illinova's  1998
Annual Report to Shareholders (included in the Proxy Statement) and Illinova and
Illinois  Power  Company's 1998 Form 10-K filings to the Securities and Exchange
Commission.