============= Page 1 of 1 ============= ENRON CORP. Table 3a - Business Highlights (Unaudited) Quarter Ended March 31, 2001 2000 Transportation Services (In Millions) Net Revenues $ 243 $ 201 Operating Expenses 107 65 Depreciation and Amortization 17 16 Equity in Earnings 14 7 Other, net - 1 IBIT $ 133 $ 128 Total Volumes Transported (BBtu/d) (a) Northern Natural Gas 3,750 4,147 Transwestern Pipeline 1,725 1,566 Florida Gas Transmission 1,234 1,563 Northern Border Pipeline 2,490 2,464 Portland General (In Millions) Revenues $ 767 $ 397 Purchased Power and Fuel 582 202 Operating Expenses 67 78 Depreciation and Amortization 51 46 Other Income, net (7) 34 IBIT $ 60 $ 105 Retail Customers (end of period, thousands) 727 724 Electricity Sales (Thousand MWh) Residential 2,171 2,361 Commercial 1,820 1,872 Industrial 1,200 1,169 Total Retail 5,191 5,402 Wholesale 2,739 4,281 Total Sales 7,930 9,683 (a) Reflects 100% of each entity's throughput volumes. EXH010-01309