DISCLAIMER

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2. DISCLAIMER "This presentation is intended to describe ISO-NE's load forecasting process. As this process is conducted on an ongoing basis, depending upon a variety of factors and data which may be updated from time to time, any specific forecast values included in this presentation represent only the current and best estimate by ISO-NE at this time and may be changed in the future. Finally, ISO-NE cautions that this presentation may be misleading if read out of context of explanations provided, statements made, and questions addressed, at the June 19 Technical Conference." 2

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36. Summer Peaks for States & Selected Operating Companies 2003 2008 CAGR% CONNECTICUT: 6900 7253 1.0 ISO: State peaks & Operating Company 2002 Weather Normal CMEEC 328 343 0.9 UI 1367 1460 1.3 CLP 4682 4880 0.8 MAINE: 1970 2114 1.4 BHE 316 308 -0.5 CMP 1833 1804 -0.3 MASSACHUSETTS: 11510 12468 1.6 BECO 3233 3563 2.0 EED 691 729 1.1 FERC715: Operating Company 2003 & 2008 Forecasts MECO 3980 4277 1.4 WMECO+HWP 773 803 0.7 NEW HAMPSHIRE: 2110 2326 2.0 UNITIL 260 306 3.3 GSE 182 202 2.1 PSNH 1472 1508 0.5 RHODE ISLAND: 1730 1851 1.4 BVE 343 354 0.7 NEC 125 137 1.9 NECO 1334 1418 1.2 VERMONT: 975 1020 1.9 VELCO 975 1102 2.5 FORECAST SUBJECT TO CHANGE - SEE SLIDE 2

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38. RTEP03 Peak Load and Installed Capacity MW by Sub-Area – 2003 (Peak Loads – 50/50 F/C) VT Load 1203 839 MW Under Construction RTEP LoadCapacity NB-NE - 700 Phase II - 1500 Highgate - 210 HQ NB Orrington South – 1050 Surowiec South - 1150 ME-NH – 1400 ME S-ME BHE Load 956956 MW Load 5331516 MW Load 312942 MW NH Load 16174006 MW Boston – 3600 East-West – 2400 BOSTON North-South – 2700 Load 52223613 MW NY-NE – 1550w/o Cross Sound Cable W-MA CMA/NEMA Load 19633681 MW Load 1634 206 MW NY SEMA/RI – 3000 SEMA RI CT Load 25503356 MW CSC -300 Load 22665140 MW Load 33504437 MW South West CT – 2000 SEMA – 2300 KEY: Connecticut Import– 2200 NOR Regional Transmission Expansion Plan Sub-area SWCT Load 1251444 MW Load 2263 2036 MW Priority Studies Required FORECAST SUBJECT TO CHANGE - SEE SLIDE 2 Norwalk-Stamford – 1100 Other Studies Required

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