NiSource Second-Quarter Earnings on Track With Outlook

Continued progress reported on key growth initiatives

NiSource Second-Quarter Earnings on Track With Outlook

MERRILLVILLE, Ind., Aug. 2 /PRNewswire-FirstCall/ -- NiSource Inc. (NYSE: NI) today announced net operating earnings (non-GAAP) of $27.8 million, or 10 cents per share, for the three months ended June 30, 2007, compared with $38.4 million, or 14 cents per share, for the second quarter of 2006 (all per- share amounts are basic). Operating earnings (non-GAAP) were $142.7 million for the second quarter of 2007, compared to $157.3 million in 2006. For a reconciliation of net operating earnings and operating earnings to GAAP, see Schedules 1 and 2 of this news release.

"NiSource's second quarter results are consistent with our earnings outlook for 2007, and continue to reflect solid performance from each of our core business segments," NiSource President and Chief Executive Officer Robert C. Skaggs, Jr. said. In May, NiSource indicated that net operating earnings for 2007 were expected to be approximately $1.35 per share.

Overall, net revenues were higher for the second quarter when compared with the prior year, driven primarily by increased electric and gas distribution revenues and improved performance from NiSource's Whiting Clean Energy unit. These improvements were more than offset by increased operating and maintenance expenses when compared to the prior-year period. Earnings also were affected by increased interest expense and lower short-term transportation services and optimization revenues in NiSource's gas transmission and storage business.

The increased operating and maintenance costs for the quarter were primarily related to employee and administrative expenses, including payroll, benefits and corporate services, Skaggs noted. "Within corporate services, the cost increases were related to NiSource's business services arrangement with IBM. As we noted earlier this year, NiSource is conducting an assessment of that business services arrangement to determine what adjustments can be made to enable NiSource to achieve its business objectives going forward," Skaggs said.

Progress on four-part business plan and 'path forward' initiatives

Skaggs said NiSource business units made progress on key elements of the company's four-part business plan. That strategy centers on expansion of and commercial growth in the natural gas pipeline and storage business, regulatory and commercial initiatives at its utilities, financial management, and process and expense management.

"NiSource's key business strategies and stream of new projects in the Gas Transmission and Storage segment continued to advance during the quarter," Skaggs said. "Additionally, our planned utility rate cases are moving forward, with regulatory outreach and engagement taking place on several fronts. These activities all require time and effort before generating earnings, but together they are the key to achieving a stable and sustainable 3 to 5 percent annual earnings growth rate by 2010."

Among the examples of second-quarter business accomplishments Skaggs cited were:

   - Hardy Storage Company, LLC, completed its first full quarter of
     operations, receiving initial customer injections into its new
     underground natural gas storage facility in West Virginia.  Hardy is a
     joint venture of subsidiaries of Columbia Gas Transmission and Piedmont
     Natural Gas.  Injections this year will allow the field to deliver up
     to 100,000 dekatherms (Dth) of natural gas per day during the 2007
     winter heating season. When fully operational in 2009, the field will
     have a working storage capacity of 12 billion cubic feet, delivering
     more than 176,000 Dth of natural gas per day.  NiSource's Columbia Gas
     Transmission, the operator of Hardy Storage, is also expanding its
     natural gas transmission system to provide the capacity needed to
     deliver Hardy Storage supplies to customer markets.  This expansion is
     targeted to be in service in November 2007.

   - In May, NiSource filed with the Federal Energy Regulatory Commission to
     construct the $140 million Eastern Market Expansion Project, an
     expansion of two Columbia Gas Transmission storage fields and related
     pipeline capacity.  Slated for completion in 2009, the project's entire
     6 billion cubic feet of additional storage capacity and 97,000 Dth per
     day of storage and transportation capacity have been subscribed under
     15-year contracts.

   - In June, construction began on the Millennium Pipeline, a 182-mile-
     long, 30-inch-diameter pipeline across New York's Southern Tier and
     lower Hudson Valley.   When completed in November 2008, the project
     will transport up to 525,400 Dth per day of natural gas to markets
     along its route, as well as to the New York City markets through its
     pipeline interconnections.  Millennium is jointly owned by affiliates
     of NiSource, KeySpan Corporation, and DTE Energy.

   - NiSource concluded a successful open season to gauge customer interest
     in an expansion of its Crawford Storage Field in central Ohio by up to
     10 to 15 billion cubic feet of working gas and 175,000 to 250,000 Dth
     of daily deliverability. NiSource anticipates converting the strong
     customer response into binding contractual commitments over the next
     several months and placing facilities in service to enable storage
     injections beginning in the second quarter of 2009. The final scope of
     the project will be determined based on the outcome of the ongoing
     customer discussions.

   - NiSource's gas utilities also moved forward with key rate and
     regulatory activities during the quarter.  In May, Northern Indiana
     Public Service Company received approval from the Indiana Utility
     Regulatory Commission for its Rate Simplification program, which will
     simplify residential natural gas rates, mitigate the impact of usage
     reductions, and implement an energy conservation program.  Columbia Gas
     of Kentucky's general rate proceeding also moved forward during the
     quarter, with a decision expected by year-end.  In Massachusetts,
     Pennsylvania and Ohio, NiSource utilities all continued work necessary
     to engage stakeholders, regulators and customers in connection with
     rate proceedings being planned for various points in the near future.

   - In NiSource's electric business, significant scheduled maintenance work
     was completed on NIPSCO's Bailly Generating Station Unit 7.  This
     included cyclone burner replacement and other work to improve unit
     reliability.  Construction also progressed during the quarter on
     installation of selective catalytic reduction (SCR) equipment on Bailly
     Unit 7. This environmental upgrade project will require an additional
     planned outage later this year, with in-service for the SCR targeted
     for the spring of 2008.  The SCR qualifies for recovery under the
     NIPSCO environmental tracker.

Among other ongoing business activities, Skaggs noted, was NiSource's analysis of the potential formation of a Master Limited Partnership in connection with a portion of its gas transmission and storage assets and prospective growth projects.

"As we have previously indicated, we are accelerating our review of the MLP option," Skaggs said. "While our analysis is ongoing and no definitive conclusions have been reached at this point, such a structure has the potential to provide additional financial flexibility and access to low cost capital, which would complement our GT&S strategy."

Consolidated operating earnings and operating earnings for NiSource's business segments for the quarter ended June 30, 2007 are discussed below.

Second Quarter 2007 Operating Earnings - Segment Results (non-GAAP)

NiSource's consolidated second-quarter 2007 operating earnings (non-GAAP) were $142.7 million, compared to $157.3 million for the same period in 2006. Refer to Schedule 2 for the items included in 2007 and 2006 GAAP operating income but excluded from operating earnings.

Operating earnings for NiSource's business segments for the quarter ended June 30, 2007 are discussed below.

Gas Distribution Operations reported operating earnings of $8.7 million versus operating earnings of $12.5 million in the second quarter of 2006. The decrease resulted primarily from higher operating expenses, partially offset by increased net revenues. Operating expenses, excluding the impact of trackers, were $11.1 million higher than the prior year, mainly due to higher employee and administrative expenses, outside services, and environmental reserves. Net revenues, excluding the impact of trackers, were $6.8 million higher than the same period in 2006, primarily as the result of regulatory initiatives and other service programs.

Gas Transmission and Storage Operations reported operating earnings of $74.4 million versus operating earnings of $80.5 million in the second quarter of 2006. The decrease resulted from lower shorter-term transportation services and optimization revenues and higher operating expenses, partially offset by higher earnings from equity investments. While stabilization in the natural gas market did moderate optimization revenues during the second quarter, demand and commodity revenues were up compared to last year. Equity earnings increased by $3.6 million due to Hardy Storage going in service in April 2007 and higher AFUDC earnings from Millennium Pipeline. Operating expenses increased by $4.7 million for the quarter, mainly due to higher employee and administrative expenses and property insurance premiums.

Electric Operations reported operating earnings of $61.8 million versus operating earnings of $67.0 million from the same quarter last year. Increases in net revenues were more than offset by higher operating expenses. Operating expenses increased by $11.8 million due primarily to higher employee and administrative costs. Net revenue increased by $6.6 million as a result of higher wholesale volumes and margins, residential volumes and overall customer growth.

Other Operations reported an operating earnings loss of $0.6 million in the second quarter of 2007, compared with an operating earnings loss of $3.1 million in the prior year period. The improvement resulted from higher net revenues from the Whiting Clean Energy facility, partially offset by increased planned turbine maintenance costs at that facility.

Other Items

Interest expense increased by $4.7 million due to higher short-term interest rates and credit facility fees. Other net was a loss of $0.4 million compared to a loss of $2.7 million last year. The improvement resulted primarily from higher interest income in the current period.

Six Month Period 2007 Operating Earnings - Segment Results (non-GAAP)

NiSource's consolidated operating earnings (non-GAAP) for the six months ended June 30, 2007 were $575.4 million, compared to $571.8 million for the same period in 2006. Refer to Schedule 2 for the items included in 2007 and 2006 GAAP operating income but excluded from operating earnings.

Operating earnings for NiSource's business segments for the six months ended June 30, 2007 are discussed below.

Gas Distribution Operations reported operating earnings of $266.9 million compared to $262.6 million reported for the first six months of 2006. Increases in net revenues were partially offset by increased operating expenses. Net revenues, excluding the impact of trackers, were $22.8 million higher due to customer growth, regulatory initiatives and increased commercial sales. Operating expenses, excluding the impact of trackers, were $18.8 million higher than last year primarily due to higher employee and administrative costs, and outside service expenses.

Gas Transmission and Storage Operations reported operating earnings of $182.1 million versus operating earnings of $191.9 million in the first six months of 2006. The decrease resulted from higher operating expenses of $14 million mainly due to higher employee and administrative expenses, property insurance premiums, and other maintenance and outside service costs. The higher expenses were partially offset by higher earnings from equity investments. Gas Transmission and Storage net revenues for the first six months were essentially flat when compared with the prior year period. Equity earnings increased by $5.3 million due to Hardy Storage going in service in April 2007 and higher AFUDC earnings from Millennium Pipeline.

Electric Operations reported operating earnings of $135.1 million for the first six months of 2007, compared with $138.0 million for the prior year period. Net revenues increased by $13.5 million due to increased residential volumes, increased wholesale margins and customer growth, partially offset by decreased industrial volumes and the timing of revenue credits. The increases in net revenues were more than offset by higher operating expenses, which increased by $16.4 million due primarily to higher employee and administrative costs, and electric generation and maintenance expenses.

Other Operations reported an operating earnings loss of $3.8 million in the first six months of 2007, versus an operating earnings loss of $14.8 million in the first six months of 2006. The $11 million decrease in the operating earnings loss primarily resulted from lower losses at the Whiting Clean Energy facility. As previously announced, NiSource unit Whiting Clean Energy (WCE) and BP signed a definitive agreement at the end of 2006 redefining the terms under which WCE provides steam to BP for its oil refining process.

Other Items

Interest expense increased by $8.0 million due to higher short-term interest rates and credit facility fees. Other net was a loss of $3.2 million compared to a loss of $6.1 million last year. The improvement resulted primarily from higher interest income in the current six-month period. The effective tax rate of net operating earnings for 2007 is 37.2%. Last year's effective tax rate of 35.5% was favorably impacted by state deferred income tax adjustments recorded during the first quarter of 2006.

Income from Continuing Operations (GAAP)

On a GAAP basis, NiSource reported income from continuing operations for the three months ended June 30, 2007, of $28.2 million, or 11 cents per share, compared with $22.1 million, or 8 cents per share, in the same period a year ago. Operating income was $143.3 million for the second quarter of 2007, compared with $132.7 million in the year-ago period. In addition to the business results already discussed, the increase in earnings was primarily due to favorable weather in NiSource's gas distribution and electric markets during the quarter compared to 2006.

On a GAAP basis, NiSource reported income from continuing operations for the six months ended June 30, 2007, of $237.3 million, or 87 cents per share, compared with $195.1 million, or 71 cents per share, in the same period a year ago. Operating income was $577.9 million for the first six months of 2007 versus $500.3 million in the year-ago period. Similar to the quarter ended June 30, 2007, the increase in earnings for the first half of 2007 was due to increased gas distribution and electric revenues, primarily due to favorable weather.

Definition of non-GAAP measures

NiSource focuses on net operating earnings and operating earnings, which are both non-GAAP measures, because management believes these measures better represent the fundamental earnings strength and performance of the company. NiSource uses these measures internally for budgeting, for reporting to the board of directors, and for purposes of determining the payout under NiSource's annual incentive compensation plan for its employees.

Net operating earnings are a non-GAAP financial measure that NiSource defines as income from continuing operations determined in accordance with Generally Accepted Accounting Principles (GAAP) adjusted for certain items. Operating earnings are operating income determined in accordance with GAAP adjusted for certain items. Adjustments reflected in these measures are primarily weather, restructuring and transition costs related to the outsourcing contract with IBM, gains and losses on the sale of assets, certain reserve adjustments and other items. See Schedule 1 and Schedule 2 of this news release for the reconciliations of net operating earnings and operating earnings, respectively, to GAAP.

About NiSource

NiSource Inc. (NYSE: NI) , based in Merrillville, Ind., is a Fortune 500 company engaged in natural gas transmission, storage and distribution, as well as electric generation, transmission and distribution. NiSource operating companies deliver energy to 3.8 million customers located within the high- demand energy corridor stretching from the Gulf Coast through the Midwest to New England. Information about NiSource and its subsidiaries is available via the Internet at http://www.nisource.com/. NI-F

Forward-Looking Statements

This news release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Those statements include statements regarding the intent, belief or current expectations of NiSource and its management. Although NiSource believes that its expectations are based on reasonable assumptions, it can give no assurance that its goals will be achieved. Readers are cautioned that the forward-looking statements in this presentation are not guarantees of future performance and involve a number of risks and uncertainties, and that actual results could differ materially from those indicated by such forward-looking statements. Important factors that could cause actual results to differ materially from those indicated by such forward-looking statements include, but are not limited to, the following: weather; fluctuations in supply and demand for energy commodities; growth opportunities for NiSource's businesses; increased competition in deregulated energy markets; the success of regulatory and commercial initiatives; dealings with third parties over whom NiSource has no control; the effectiveness of NiSource's outsourcing initiative; actual operating experience of NiSource assets; the regulatory process; regulatory and legislative changes; changes in general economic, capital and commodity market conditions; and counter-party credit risk.

                              NiSource Inc.
             Consolidated Net Operating Earnings (Non - GAAP)

                                         Three Months        Six Months
                                        Ended June 30,     Ended June 30,
  (in millions, except per share
   amounts)                               2007     2006      2007      2006
  Net Revenues
   Gas Distribution                     $765.6   $624.1  $2,660.1  $2,661.8
   Gas Transportation and Storage        226.2    220.5     574.0     541.1
   Electric                              330.0    301.9     655.9     607.6
   Other                                 246.2    183.8     566.9     531.8
   Gross Revenues                      1,568.0  1,330.3   4,456.9   4,342.3
   Cost of Sales (excluding
    depreciation and amortization)       885.1    670.4   2,716.3   2,662.1
  Total Net Revenues                     682.9    659.9   1,740.6   1,680.2
  Operating Expenses
   Operation and maintenance             302.6    274.1     599.5     558.5
   Operation and maintenance -
    trackers                              38.1     29.9     127.1     111.3
   Depreciation and amortization         138.2    138.0     277.2     274.8
   Other taxes                            50.0     48.3     106.8     105.5
   Other taxes - trackers                 15.0     12.4      59.8      58.2
  Total Operating Expenses               543.9    502.7   1,170.4   1,108.3
  Equity Earnings (Loss) in
   Unconsolidated Affiliates               3.7      0.1       5.2      (0.1)
  Operating Earnings                     142.7    157.3     575.4     571.8
  Other Income (Deductions)
   Interest expense, net                 (98.1)   (93.4)   (196.7)   (188.7)
   Dividend requirements on preferred
    stock of subsidiaries                   -        -         -       (1.1)
   Other, net                             (0.4)    (2.7)     (3.2)     (6.1)
  Total Other Income (Deductions)        (98.5)   (96.1)   (199.9)   (195.9)
  Operating Earnings From Continuing
   Operations Before Income Taxes         44.2     61.2     375.5     375.9
  Income Taxes                            16.4     22.8     139.7     133.6
  Net Operating Earnings from
   Continuing Operations                  27.8     38.4     235.8     242.3
  GAAP Adjustment                          0.4    (16.3)      1.5     (47.2)
  GAAP Income from Continuing
   Operations                            $28.2    $22.1    $237.3    $195.1

  Basic Net Operating Earnings Per
   Share from Continuing Operations       0.10     0.14      0.86      0.89

  GAAP Basic Earnings Per Share from
   Continuing Operations                  0.11     0.08      0.87      0.71

  Basic Average Common Shares
   Outstanding (millions)                273.8    272.4     273.7     272.4



                              NiSource Inc.
                  Segment Operating Earnings (Non-GAAP)

                                          Three Months       Six Months
  Gas Distribution Operations            Ended June 30,    Ended June 30,
  (in millions)                            2007    2006      2007      2006
  Net Revenues
   Sales Revenues                        $874.7  $712.7  $2,985.0  $2,935.0
   Less: Cost of gas sold                 597.0   452.2   2,088.7   2,076.4
  Net Revenues                            277.7   260.5     896.3     858.6
  Operating Expenses
   Operation and maintenance              151.7   140.8     310.0     291.6
   Operation and maintenance - trackers    26.9    19.6     103.8      90.8
   Depreciation and amortization           58.2    58.3     116.6     115.6
   Other taxes                             17.2    16.9      39.2      39.8
   Other taxes - trackers                  15.0    12.4      59.8      58.2
  Total Operating Expenses                269.0   248.0     629.4     596.0
  Operating Earnings                       $8.7   $12.5    $266.9    $262.6

  GAAP Adjustment                           4.6   (18.5)      7.8     (62.6)
  GAAP Operating Income (Loss)            $13.3   $(6.0)   $274.7    $200.0



  Gas Transmission and Storage           Three Months      Six Months
   Operations                           Ended June 30,   Ended June 30,
  (in millions)                           2007    2006     2007    2006
  Net Revenues
   Transportation revenues              $144.9  $152.8   $327.8  $337.0
   Storage revenues                       44.5    43.8     90.4    88.2
   Other revenues                          1.3     2.4      2.3     5.6
  Total Revenues                         190.7   199.0    420.5   430.8
  Less: Cost of gas sold                   0.6     3.9      0.1     9.3
  Net Revenues                           190.1   195.1    420.4   421.5
  Operating Expenses
   Operation and maintenance              66.3    63.9    136.2   125.6
   Operation and maintenance - trackers    9.5     8.8     19.6    18.3
   Depreciation and amortization          29.4    28.6     58.4    57.3
   Other taxes                            14.2    13.4     29.3    28.3
  Total Operating Expenses               119.4   114.7    243.5   229.5
  Equity Earnings (Loss) in
   Unconsolidated Affiliates               3.7     0.1      5.2    (0.1)
  Operating Earnings                     $74.4   $80.5   $182.1  $191.9

  GAAP Adjustment                         (6.8)   (1.5)    (7.5)   (2.6)
  GAAP Operating Income                  $67.6   $79.0   $174.6  $189.3



                              NiSource Inc.
            Segment Operating Earnings (Non-GAAP) (continued)

                                         Three Months      Six Months
  Electric Operations                   Ended June 30,   Ended June 30,
  (in millions)                           2007    2006     2007    2006
  Net Revenues
    Sales revenues                      $331.2  $306.1   $658.3  $614.9
    Less: Cost of sales                  129.8   111.3    258.5   228.6
  Net Revenues                           201.4   194.8    399.8   386.3
  Operating Expenses
    Operation and maintenance             75.9    64.4    135.4   123.2
    Operation and maintenance -
     trackers                              1.7     1.5      3.7     2.2
    Depreciation and amortization         46.6    46.9     94.6    93.0
    Other taxes                           15.4    15.0     31.0    29.9
  Total Operating Expenses               139.6   127.8    264.7   248.3
  Operating Earnings                     $61.8   $67.0   $135.1  $138.0

  GAAP Adjustment                          3.0    (3.7)     2.7    (6.6)
  GAAP Operating Income                  $64.8   $63.3   $137.8  $131.4



                                         Three Months      Six Months
  Other Operations                      Ended June 30,   Ended June 30,
  (in millions)                           2007    2006     2007    2006
  Net Revenues
    Products and services revenue       $238.1  $175.4   $551.7  $517.8
    Less:  Cost of products purchased    223.8   164.9    525.5   501.7
  Net Revenues                            14.3    10.5     26.2    16.1
  Operating Expenses
    Operation and maintenance             10.9     9.4     21.4    21.8
    Depreciation and amortization          2.6     2.8      5.2     5.6
    Other taxes                            1.4     1.4      3.4     3.5
  Total Operating Expenses                14.9    13.6     30.0    30.9
  Operating Earnings (Loss)              $(0.6)  $(3.1)   $(3.8) $(14.8)

  GAAP Adjustment                         (0.1)   (0.4)    (0.2)    1.2
  GAAP Operating Income (Loss)           $(0.7)  $(3.5)   $(4.0) $(13.6)


                                         Three Months      Six Months
  Corporate                             Ended June 30,   Ended June 30,
  (in millions)                           2007    2006     2007    2006

  Operating Earnings (Loss)              $(1.6)   $0.4    $(4.9)  $(5.9)

  GAAP Adjustment                         (0.1)   (0.5)    (0.3)   (0.9)
  GAAP Operating Income (Loss)           $(1.7)  $(0.1)   $(5.2)  $(6.8)



                              NiSource Inc.
                   Segment Volumes and Statistical Data

                                         Three Months       Six Months
  Gas Distribution Operations           Ended June 30,    Ended June 30,
                                          2007   2006       2007       2006
  Sales and Transportation (MMDth)
   Residential                            39.8   30.3      175.3      146.9
   Commercial                             30.8   25.3      108.7       94.3
   Industrial                             83.0   83.3      189.5      181.4
   Off System                             22.5   19.1       41.1       29.9
   Other                                   0.2    0.2        0.5        0.5
  Total                                  176.3  158.2      515.1      453.0
  Weather Adjustment                      (3.5)  11.0       (5.9)      37.7
  Sales and Transportation Volumes -
   Excluding Weather                     172.8  169.2      509.2      490.7

  Heating Degree Days                      501    410      3,124      2,683
  Normal Heating Degree Days               475    482      3,111      3,107
  % Colder (Warmer) than Normal             5%   (15%)        0%       (14%)

  Customers
   Residential                                         3,038,316  3,019,568
   Commercial                                            289,157    285,138
   Industrial                                              8,153      8,262
   Other                                                      73         72
  Total                                                3,335,699  3,313,040



  Gas Transmission and Storage            Three Months       Six Months
  Operations                             Ended June 30,    Ended June 30,
                                           2007     2006     2007     2006
  Throughput (MMDth)
  Columbia Transmission
   Market Area                            186.8    170.0    572.0    498.5
  Columbia Gulf
   Mainline                               178.8    128.0    325.9    289.6
   Short-haul                              50.7     30.8     91.2     47.4
  Columbia Pipeline Deep Water              0.7      2.2      1.5      5.1
  Crossroads Gas Pipeline                   9.2      9.0     19.4     20.0
  Granite State Pipeline                    4.8      4.5     16.4     16.1
  Intrasegment eliminations              (161.8)  (122.4)  (290.0)  (278.7)
  Total                                   269.2    222.1    736.4    598.0



                              NiSource Inc.
             Segment Volumes and Statistical Data (continued)

                                           Three Months       Six Months
  Electric Operations                     Ended June 30,    Ended June 30,
                                            2007     2006     2007     2006
  Sales (Gigawatt Hours)
    Residential                            793.8    722.0  1,639.0  1,483.1
    Commercial                           1,005.7    949.5  1,933.7  1,843.5
    Industrial                           2,331.6  2,383.5  4,673.4  4,820.9
    Wholesale                              207.8    195.9    345.1    348.0
    Other                                   32.3     11.8     59.0     40.4
  Total                                  4,371.2  4,262.7  8,650.2  8,535.9
  Weather Adjustment                       (55.9)    47.6    (55.5)    76.5
  Sales Volumes - Excluding Weather
   impacts                               4,315.3  4,310.3  8,594.7  8,612.4

  Cooling Degree Days                        313      190      313      190
  Normal Cooling Degree Days                 232      227      232      227
  % Warmer (Colder) than Normal              35%     (16%)     35%     (16%)

  Electric Customers
    Residential                                            398,073  395,005
    Commercial                                              52,299   51,522
    Industrial                                               2,516    2,505
    Wholesale                                                    4       11
    Other                                                      757      762
  Total                                                    453,649  449,805



                              NiSource Inc.
      Schedule 1 - Reconciliation of Net Operating Earnings to GAAP

                                         Three Months      Six Months
                                        Ended June 30,   Ended June 30,
  (in millions, except per share
   amounts)                               2007    2006     2007     2006
  Net Operating Earnings from
   Continuing Operations                 $27.8   $38.4   $235.8   $242.3
  Items excluded from operating
   earnings:
   Net Revenues:
      Weather - compared to normal         9.1   (18.8)    13.9    (58.3)

   Operating Expenses:
      Restructuring, transition and
       consulting cost (outsourcing
       initiative)                        (2.2)   (2.9)    (2.2)    (9.4)
      Asset impairment                    (6.6)   (2.1)    (9.8)    (4.6)
      Gain (Loss) on sales of assets       0.3    (0.8)     0.6      0.8

      Total items excluded from
       operating earnings                  0.6   (24.6)     2.5    (71.5)

   Loss on early extinguishment of
    long-term debt                           -     0.7        -      0.7
   Loss on early redemption of
    preferred stock                          -       -        -      1.1

  Tax effect of above items and other
   income tax adjustments                 (0.2)    7.6     (1.0)    22.5

  Reported Income from Continuing
   Operations - GAAP                     $28.2   $22.1   $237.3   $195.1


  Basic Average Common Shares
   Outstanding (millions)                273.8   272.4    273.7    272.4

  Basic Net Operating Earnings Per
   Share from Continuing Operations ($)   0.10    0.14     0.86     0.89
  Items excluded from net operating
   earnings (after-tax)                   0.01   (0.06)    0.01    (0.18)
  GAAP Basic Earnings Per Share from
   Continuing Operations                  0.11    0.08     0.87     0.71



NiSource Inc. Schedule 2 - Quarterly Adjustments by Segment from Operating Earnings to GAAP

                     For Quarter ended June 30, 2007

  2007 (in millions)
                                          Gas
                                        Transmis-
                                   Gas    sion
                                 Distri-  and    Elec-        Corpo-
                                 bution Storage  tric   Other  rate   Total

  Operating Earnings (Loss)        $8.7  $74.4  $61.8  $(0.6) $(1.6) $142.7

  Net Revenues:
  Weather (compared to normal)      5.8      -    3.3      -      -     9.1

  Operating Expenses:
  Restructuring, transition and
   consulting charges
        (outsourcing initiative)   (1.3)  (0.4)  (0.3)  (0.1)  (0.1)   (2.2)
  Asset Impairment                    -   (6.6)     -      -      -    (6.6)
  Gain on Sale of Assets            0.1    0.2      -      -      -     0.3
  Total Impact - Operating
   Expenses                        (1.2)  (6.8)  (0.3)  (0.1)  (0.1)   (8.5)

  Total Impact - Operating Income
   (Loss)                           4.6   (6.8)   3.0   (0.1)  (0.1)    0.6

  Operating Income (Loss) - GAAP  $13.3  $67.6  $64.8  $(0.7) $(1.7) $143.3



  2006 (in millions)
                                          Gas
                                        Transmis-
                                   Gas    sion
                                 Distri-  and    Elec-        Corpo-
                                 bution Storage  tric   Other  rate   Total

  Operating Earnings (Loss)       $12.5  $80.5  $67.0  $(3.1)  $0.4  $157.3

  Net Revenues:
  Weather (compared to normal)    (15.6)     -   (3.2)     -      -   (18.8)

  Operating Expenses:
  Restructuring and transition
   costs (outsourcing initiative)  (1.9)  (0.5)  (0.3)  (0.1)  (0.1)   (2.9)
  Asset Impairment                 (1.0)  (0.5)  (0.2)    -    (0.4)   (2.1)
  Loss on Sale of Assets              -   (0.5)     -   (0.3)     -    (0.8)
  Total Impact - Operating
   Expenses                        (2.9)  (1.5)  (0.5)  (0.4)  (0.5)   (5.8)

  Total Impact - Operating Income
   (Loss)                         (18.5)  (1.5)  (3.7)  (0.4)  (0.5)  (24.6)

  Operating Income (Loss) - GAAP  $(6.0) $79.0  $63.3  $(3.5) $(0.1) $132.7



NiSource Inc. Schedule 2 - Year-to-Date Segment Adjustments from Operating Earnings to GAAP

                     For 6 months ended June 30, 2007

  2007 (in millions)
                                          Gas
                                        Transmis-
                                   Gas    sion
                                 Distri-  and    Elec-        Corpo-
                                 bution Storage  tric   Other  rate   Total

  Operating Earnings (Loss)    $266.9  $182.1  $135.1  $(3.8) $(4.9) $575.4

  Net Revenues:
  Weather (compared to normal)   10.6      -      3.3     -      -     13.9

  Operating Expenses:
  Restructuring, transition
   and consulting charges
        (outsourcing initiative) (1.3)   (0.4)   (0.3)  (0.1)  (0.1)   (2.2)
  Asset Impairment               (1.9)   (7.3)   (0.3)  (0.1)  (0.2)   (9.8)
  Gain on Sale of Assets          0.4     0.2      -      -      -      0.6
  Total Impact - Operating
   Expenses                      (2.8)   (7.5)   (0.6)  (0.2)  (0.3)  (11.4)

  Total Impact - Operating
   Income (Loss)                  7.8    (7.5)    2.7   (0.2)  (0.3)    2.5

  Operating Income (Loss) -
   GAAP                        $274.7  $174.6  $137.8  $(4.0) $(5.2) $577.9



  2006 (in millions)
                                          Gas
                                        Transmis-
                                   Gas    sion
                                 Distri-  and    Elec-        Corpo-
                                 bution Storage  tric   Other  rate   Total

  Operating Earnings (Loss)   $262.6  $191.9  $138.0  $(14.8) $(5.9) $571.8

  Net Revenues:
  Weather (compared to
   normal)                     (53.2)     -     (5.1)     -      -    (58.3)

  Operating Expenses:
  Restructuring and
   transition costs
       (outsourcing initiative) (6.8)   (1.0)   (1.1)   (0.1)  (0.4)   (9.4)
  Asset Impairment              (2.6)   (1.1)   (0.4)     -    (0.5)   (4.6)
  Gain (Loss) on Sale of
   Assets                         -     (0.5)     -      1.3     -      0.8
  Total Impact - Operating
   Expenses                     (9.4)   (2.6)   (1.5)    1.2   (0.9)  (13.2)

  Total Impact - Operating
   Income (Loss)               (62.6)   (2.6)   (6.6)    1.2   (0.9)  (71.5)

  Operating Income (Loss) -
   GAAP                       $200.0  $189.3  $131.4  $(13.6) $(6.8) $500.3



                          NiSource Inc.
                     Income Statement (GAAP)
                           (unaudited)

                               Three Months             Six Months
                               Ended June 30,         Ended June 30,
  (in millions, except per
   share amounts)                2007     2006         2007      2006
  Net Revenues
   Gas Distribution            $771.4   $605.3      $2,670.7  $2,603.5
   Gas Transportation and
    Storage                     226.2    220.5         574.0     541.1
   Electric                     333.3    301.9         659.2     607.6
   Other                        246.2    183.8         566.9     531.8
  Gross Revenues              1,577.1  1,311.5       4,470.8   4,284.0
   Cost of Sales
    (excluding
    depreciation and
    amortization)               885.1    670.4       2,716.3   2,662.1
  Total Net Revenues            692.0    641.1       1,754.5   1,621.9
  Operating Expenses
   Operation and
    maintenance                 342.9    306.9         728.8     679.2
   Depreciation and
    amortization                138.2    138.0         277.2     274.8
   Impairment and gain on
    sale of assets                6.3      2.9           9.2       3.8
   Other taxes                   65.0     60.7         166.6     163.7
  Total Operating Expenses      552.4    508.5       1,181.8   1,121.5
  Equity Earnings (Loss)
   in Unconsolidated
   Affiliates                     3.7      0.1           5.2      (0.1)
  Operating Income              143.3    132.7         577.9     500.3
  Other Income
   (Deductions)
    Interest expense, net       (98.1)   (93.4)       (196.7)   (188.7)
    Dividend requirement on
     preferred stock of
     subsidiaries                   -        -             -      (1.1)
    Other, net                   (0.4)    (2.7)         (3.2)     (6.1)
    Loss on early
     extinguishment of
     long-term debt                 -     (0.7)            -      (0.7)
  Total Other Income
   (Deductions)                 (98.5)   (96.8)       (199.9)   (196.6)
  Income From Continuing
   Operations Before
   Income Taxes
   and Cumulative Effect
   of Change in
   Accounting Principle          44.8     35.9         378.0     303.7
  Income Taxes                   16.6     13.8         140.7     108.6
  Income From Continuing
   Operations Before
   Cumulative Effect
   of Change in Accounting
   Principle                     28.2     22.1         237.3     195.1
  Income (Loss) from
   Discontinued Operations
   - net of taxes                (0.7)    (1.4)          0.3      (1.9)
  Gain (Loss) on
   Disposition of
   Discontinued Operations
   - net of taxes                (0.8)     0.3           5.8       0.3
  Income Before Change in
   Accounting Principle          26.7     21.0         243.4     193.5
  Cumulative Effect of
   Change in Accounting
   Principle - net of
   taxes                            -        -             -       0.4
  Net Income                    $26.7    $21.0        $243.4    $193.9

  Basic Earnings Per Share ($)
   Continuing operations        $0.11    $0.08         $0.87     $0.71
   Discontinued operations      (0.01)       -          0.02         -
  Basic Earnings Per Share      $0.10    $0.08         $0.89     $0.71

  Diluted Earnings Per
   Share ($)
    Continuing operations       $0.11    $0.08         $0.87     $0.71
    Discontinued operations     (0.01)       -          0.02         -
  Diluted Earnings Per
   Share                        $0.10    $0.08         $0.89     $0.71

  Dividends Declared Per
   Common Share ($)             $0.23    $0.23         $0.69     $0.69

  Basic Average Common
   Shares Outstanding
   (millions)                   273.8    272.4         273.7     272.4
  Diluted Average Common
   Shares (millions)            274.9    273.2         274.8     273.1



                                NiSource Inc.
                         Consolidated Balance Sheets
                                 (unaudited)
                                                June 30,       December 31,
  (in millions)                                     2007              2006

  ASSETS
  Property, Plant and Equipment
   Utility Plant                               $17,462.9         $17,194.9
   Accumulated depreciation and
    amortization                                (8,000.0)         (7,850.0)
   Net utility plant                             9,462.9           9,344.9
   Other property, at cost, less
    accumulated depreciation                       342.0             349.6
  Net Property, Plant and Equipment              9,804.9           9,694.5

  Investments and Other Assets
   Assets of discontinued operations
    and assets held for sale                        45.2              43.0
   Unconsolidated affiliates                        94.5              59.6
   Other investments                               106.7             116.1
  Total Investments and Other Assets               246.4             218.7

  Current Assets
   Cash and cash equivalents                        23.0              33.1
   Restricted cash                                  66.9             142.5
   Accounts receivable (less reserve of
    $58.6 and $42.1, respectively)                 681.9             866.3
   Gas inventory                                   283.8             550.5
   Underrecovered gas and fuel costs               134.1             163.2
   Materials and supplies, at average
    cost                                            87.6              89.0
   Electric production fuel, at average
    cost                                            57.3              63.9
   Price risk management assets                    136.1             237.7
   Exchange gas receivable                         385.2             252.3
   Regulatory assets                               232.0             272.7
   Prepayments and other                            61.7             111.7
  Total Current Assets                           2,149.6           2,782.9

  Other Assets
   Price risk management assets                     21.5              49.9
   Regulatory assets                             1,012.4           1,127.3
   Goodwill                                      3,677.3           3,677.3
   Intangible assets                               428.9             435.7
   Deferred charges and other                      163.6             170.2
  Total Other Assets                             5,303.7           5,460.4
  Total Assets                                 $17,504.6         $18,156.5



                                NiSource Inc.
                   Consolidated Balance Sheets (continued)
                                 (unaudited)
                                                 June 30,      December 31,
  (in millions, except share amounts)               2007              2006

  CAPITALIZATION AND LIABILITIES
  Capitalization
  Common Stockholders' Equity
   Common stock - $0.01 par value,
    400,000,000 shares authorized;
    274,149,933 and 273,654,180 shares
    issued and outstanding, respectively            $2.7              $2.7
   Additional paid-in capital                    4,007.6           3,998.3
   Retained earnings                             1,059.6           1,012.9
   Accumulated other comprehensive
    income                                          27.9              20.9
   Treasury stock                                  (23.3)            (21.2)
  Total Common Stockholders' Equity              5,074.5           5,013.6
  Long-term debt, excluding amounts due
   within one year                               5,124.3           5,146.2
  Total Capitalization                          10,198.8          10,159.8

  Current Liabilities
   Current portion of long-term debt                56.7              93.3
   Short-term borrowings                         1,021.5           1,193.0
   Accounts payable                                546.3             713.1
   Dividends declared                               63.1                -
   Customer deposits                               108.4             108.4
   Taxes accrued                                   241.3             196.0
   Interest accrued                                 84.5             107.1
   Overrecovered gas and fuel costs                 48.1             126.7
   Price risk management liabilities                75.3             259.4
   Exchange gas payable                            500.5             396.6
   Deferred revenue                                 48.7              55.9
   Regulatory liabilities                           41.5              40.7
   Accrued liability for postretirement
    and postemployment benefits                      4.7               4.7
   Other accruals                                  405.9             526.3
  Total Current Liabilities                      3,246.5           3,821.2

  Other Liabilities and Deferred Credits
   Price risk management liabilities                45.0              38.2
   Deferred income taxes                         1,537.6           1,553.7
   Deferred investment tax credits                  57.5              61.5
   Deferred credits                                117.8             119.3
   Deferred revenue                                  6.6              21.9
   Accrued liability for postretirement
    and postemployment benefits                    649.6             799.5
   Liabilities of discontinued
    operations and liabilities held for
    sale                                             9.9              11.9
   Regulatory liabilities and other
    removal costs                                1,313.5           1,253.8
   Asset retirement obligations                    135.1             131.6
   Other noncurrent liabilities                    186.7             184.1
  Total Other Liabilities and Deferred
   Credits                                       4,059.3           4,175.5
  Commitments and Contingencies                        -                 -
  Total Capitalization and Liabilities         $17,504.6         $18,156.5



                                NiSource Inc.
                              Other Information
                                 (unaudited)

                                                June 30,      December 31,
  (in millions, except share amounts)               2007              2006

  Total Common Stockholders' Equity             $5,074.5          $5,013.6

  Shares Outstanding (thousands)                 274,150           273,654

  Book Value of Common Shares                     $18.51            $18.32



                              NiSource Inc.
                   Statements of Consolidated Cash Flow
                               (unaudited)

  Six Months Ended June 30, (in millions)
                                                   2007              2006
  Operating Activities
   Net income                                     $243.4            $193.9
   Adjustments to reconcile net income
    to net cash from continuing
    operations:
    Loss on early redemption of
     preferred stock                                   -               0.7
    Depreciation and amortization                  277.2             274.8
    Net changes in price risk
     management assets and liabilities              (1.5)             16.7
    Deferred income taxes and
     investment tax credits                        (14.1)           (108.3)
    Deferred revenue                               (22.4)            (32.5)
    Stock compensation expense                       1.3               3.1
    Gain on sale of assets                          (0.5)             (0.9)
    Loss on impairment of assets                     9.7               4.7
    Cumulative effect of change in
     accounting principle, net of taxes                -              (0.4)
    Income from unconsolidated
     affiliates                                     (7.7)             (2.3)
    Gain on disposition of discontinued
     operations - net of taxes                      (5.8)             (0.3)
    Loss (Income) from discontinued
     operations - net of taxes                      (0.3)              1.9
    Amortization of discount/premium on
     debt                                            3.6               3.9
    AFUDC Equity                                    (1.9)                -
   Changes in assets and liabilities:
    Accounts receivable                            168.2             793.8
    Inventories                                    286.4             259.6
    Accounts payable                              (146.1)           (547.2)
    Customer deposits                                  -               2.5
    Taxes accrued                                   34.2              13.4
    Interest accrued                               (17.4)              3.9
    (Under) Overrecovered gas and fuel
     costs                                         (49.5)            458.1
    Exchange gas receivable/payable                (43.5)           (172.8)
    Other accruals                                (141.2)           (155.5)
    Prepayments and other current
     assets                                         50.0              37.5
    Regulatory assets/liabilities                   16.6             (25.5)
    Postretirement and postemployment
     benefits                                      (51.7)              1.1
    Deferred credits                                (3.6)             (7.7)
    Deferred charges and other
     noncurrent assets                               5.1              (8.4)
    Other noncurrent liabilities                    (1.1)             16.5
  Net Operating Activities from
   Continuing Operations                           587.4           1,024.3
  Net Operating Activities from
   Discontinued Operations                           0.5               0.7
  Net Cash Flows from Operating
   Activities                                      587.9           1,025.0

  Investing Activities
    Capital expenditures                          (331.7)           (271.8)
    Proceeds from disposition of assets              2.3               7.6
    Restricted cash                                 75.6             (43.5)
    Other investing activities                      (9.0)              3.0
  Net Cash Flows used for Investing
   Activities                                     (262.8)           (304.7)

  Financing Activities
    Issuance of long-term debt                       2.3                 -
    Retirement of long-term debt                   (45.6)            (42.5)
    Change in short-term debt                     (171.5)           (478.0)
    Retirement of preferred stock                      -             (81.1)
    Issuance of common stock                         7.7               2.1
    Acquisition of treasury stock                   (2.1)             (5.9)
    Dividends paid - common stock                 (126.0)           (126.4)
  Net Cash Flows used for Financing
   Activities                                     (335.2)           (731.8)
  Decrease in cash and cash equivalents            (10.1)            (11.5)
  Cash and cash equivalents at
   beginning of year                                33.1              69.4
  Cash and cash equivalents at end of
   period                                          $23.0             $57.9

  Supplemental Disclosures of Cash Flow
   Information
    Cash paid for interest                        $218.3            $185.1
    Interest capitalized                             7.8               4.2
    Cash paid for income taxes                      86.8             166.0
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