PEOPLES GAS SYSTEM
GAS OPERATING STATISTICS (Unaudited)

                       
  Operating Revenues*           Therms*        
Quarter Ended September 30,         Percent           Percent
  2002   2001   Change   2002   2001   Change
                       
By Customer Segment:                      
Residential $ 14,067   $ 12,910   9.0   8,782   8,290   5.9
Commercial 26,198   27,931   (6.2)   72,020   68,224   5.6
Industrial 2,777   2,788   (0.4)   55,226   54,533   1.3
Off System Sales 22,365   15,851   41.1   59,165   45,037   31.4
Power generation 2,901   3,070   (5.5)   138,770   131,435   5.6
Other revenues 5,995   8,032   (25.4)   -   -   --

  $ 74,303   $ 70,582   5.3   333,963   307,519   8.6

                       
By Sales Type:                      
System supply $ 50,566   $ 46,802   8.0   86,196   76,624   12.5
Transportation 17,742   15,748   12.7   247,767   230,895   7.3
Other revenues 5,995   8,032   (25.4)   --   --   --

  $ 74,303   $ 70,582   5.3   333,963   307,519   8.6

                       
Average customers 276,365   263,537   4.9   --   --   --

                       
                       
                       
  Operating Revenues*           Therms*        
Year-To-Date September 30,         Percent           Percent
  2002   2001   Change   2002   2001   Change
                       
By Customer Segment:                      
Residential $ 54,752   $ 72,490   (24.5)   44,231   46,766   (5.4)
Commercial 90,533   135,634   (33.3)   244,382   231,355   5.6
Industrial 9,287   9,615   (3.4)   187,136   179,618   4.2
Off System Sales 53,439   28,954   84.6   145,051   70,678   --
Power generation 8,766   8,784   (0.2)   391,840   317,828   23.3
Other revenues 20,283   31,516   (35.6)   --       --

  $ 237,060   $ 286,993   (17.4)   1,012,640   846,245   19.7

                       
By Sales Type:                      
System supply $ 160,250   $ 209,896   (23.7)   262,001   220,584   18.8
Transportation 56,527   45,581   24.0   750,639   625,661   20.0
Other revenues 20,283   31,516   (35.6)   --   --   --

  $ 237,060   $ 286,993   (17.4)   1,012,640   846,245   19.7

                       
Average customers 276,346   265,330   4.2   --   --   --

                       
                       
                       
  Operating Revenues*           Therms*        
Twelve Months Ended September 30,         Percent           Percent
  2002   2001   Change   2002   2001   Change
                       
By Customer Segment:                      
Residential $ 70,483   $ 94,261   (25.2)   56,307   62,651   (10.1)
Commercial 118,483   177,866   (33.4)   321,943   309,745   3.9
Industrial 12,044   12,896   (6.6)   248,337   246,398   0.8
Off System Sales 62,704   32,892   90.6   179,916   76,947   --
Power generation 11,399   11,331   0.6   477,553   398,325   19.9
Other revenues 27,837   42,149   (34.0)   --       --

  $ 302,950   $ 371,395   (18.4)   1,284,056   1,094,066   17.4

                       
By Sales Type:                      
System supply $ 201,320   $ 270,409   (25.5)   333,598   285,900   16.7
Transportation 73,793   58,837   25.4   950,458   808,166   17.6
Other revenues 27,837   42,149   (34.0)   --   --   --

  $ 302,950   $ 371,395   (18.4)   1,284,056   1,094,066   17.4

                       
Average customers 274,853   263,854   4.2   --   --   --

                       
* in thousands