Exhibit A Exhibit A Rule 2002 Service List Description of Party Notice Party Address1 Address2 Address3 City State Zip Office of the United States Trustee Office of the United States Trustee Frank J. Perch III 844 King Street Suite 2207 Wilmington DE 19801 Federal Energy Regulatory Commission Federal Energy Regulatory Commission Attn: Cynthia A. Marlette 888 First Street NE Washington DC 20246 Montana Public Service Commission Montana Public Service Commission Rob Rowe, Chairman 1701 Prospect Avenue Helena MT 59620-2601 South Dakota Public Service Commission South Dakota Public Utilities Commission Pam Bonrud, Executive Director Capitol Building, 1st Floor 500 East Capitol Avenue Pierre SD 57501-5070 Nebraska Public Service Commission Nebraska Public Service Commission Anne C. Boyle, Chairwoman 1200 N. Street, Suite 300 Lincoln NE 68508 Securities and Exchange Commission Securities and Exchange Commission Attn: David Lynn, Chief Counsel 450 Fifth Street Washington DC 20549 Timothy R. Pohl, Esq. Attorney for DIP Lenders Skadden Arps Samuel Ory, Esq. 333 West Wacker Drive Chicago IL 60606 Jesse Austin, Esq. Attorney for Debtor Paul, Hastings, Janofsky & Walker, LLP Karol Denniston, Esq. 600 Peachtree Road NE Atlanta GA 30308 Scott D. Cousins, Esq. Victoria W. Counihan, Esq. Local Counsel Greenberg Traurig LLP William E. Chipman, Jr., Esq. The Brandywine Building 1000 West Street Suite 1540 Wilmington DE 19801 Cayman Islands Branch/Syndicated Primary Lender and Agent for Finance Group Pre-petition Lenders Credit Suisse First Boston Secured Term Loan Credit Facility Attn: Rob Loh 11 Madison Avenue 21st Floor New York NY 10010 DIP Lender Bank One, NA DIP Lender Attn: Andrew D. Hall 120 South LaSalle Street, 20th Floor Chicago IL 60603 Attorney for TOPrS Richards, Layton & Finger, P.A. Steve Hermann, Esq. One Rodney Square PO Box 551 Wilmington DE 19899 Trustee of the South Dakota Indenture Trustee JPMorgan Chase Bank Mortgage Bonds Attn: Lawrence O'Brien, VP 450 West 33rd Street, 15th Floor New York NY 10001 Trustee of the Montana Revenue Indenture Trustee Bank One Corporation Refunding Bonds Attn: Corporate Trust Administration 1 Bank One Plaza Chicago IL 60670 Co-Trustee of the Montana Indenture Trustee Marybeth A. Lewicki c/o The Bank of New York Mortgage Bonds 101 Barclay Street New York NY 10286 Indenture Trustee Citibank, N.A. O'Bahachewsky 120 Wall Street New York NY 10043 Norwest Bank Minnesota, National Association Trustee of the Mercer County Indenture Trustee (now Wells Fargo) Pollution Control Revenue Bonds Attn: Corporate Trust Department Sixth and Marquette Minneapolis MN 55479-0069 Counsel for Ad Hoc Bondholders Committee Paul, Weiss, Rifkind, Wharton & Garrison LLP Alan W. Kornberg, Esq. 1285 Avenue of the Americas New York NY 10019-6064 Wesco 949 S. Montana Street Butte MT 59702-3027 ADP Investors Communication Service 51 Mercede Way Edgewood NY 11717 Orcom Solutions 1001 SW Disk Drive Bend OR 97702 Bell Lumber & Pole Company PO Box 748 Conway WA 98238 Mr. John Reid Howard Industries Inc. PO Box 1588 Laurel MS 39440 Howard Industries Inc 1728 Solutions Center Chicago IL 60677-1007 Montana Electric Supply 1723 Lampmann Drive Billings MT 59104 Rocky Mountain Contractors Inc 2214 US Hwy 2 East Kalispell MT 59904 Committee Member The Bank of New York, Trustee Barbara A. Bevelaqua, VP 101 Barclay Street 8W New York NY 10268 Committee Member Wilmington Trust Company as Trustee Attn: Sandra Ortiz 1100 N. Market St Wilmington DE 19801 Mark B. Joachim, Esq. Bank Group Counsel Morrison & Foerster LLP Jennifer L. McBrien, Esq. Representing 70% of CSFB facility 1290 Avenue of the Americas New York NY 10104 Counsel for Automative Rentals, Inc. John V. Fiorella, Esq. Archer & Greiner, P.C. 1300 North Market Street Suite 700 Wilmington DE 19801 Mr. Richard E. Moyer, Litigation Automotive Rentals, Inc. Manager 9000 Midlantic Drive PO Box 5039 Mt. Laurel NJ 08054 United States Department of Attorneys for Bonneville Power Administration Matthew J. Troy, Esq. Justice, Civil Division 1100 L Street, N.W. Room 10006 Washington DC 20005 Counsel for MDU Resources Group, Inc. Craig E. Freeman, Esq. Thelen Reid & Priest LLP 875 Third Avenue New York NY 10022-6225 Attn: George B. South, Esq. Counsel for MBIA Insurance Corporation King & Spalding LLP Stephanie Birbrower, Esq. 1185 Avenue of the Americas New York NY 10036-4003 James S. Carr, Esq. Attorneys for BP Canada Energy Marketing Corp Kelley Drye & Warren LLP Robert L. LeHane, Esq. 101 Park Avenue New York NY 10178 Counsel for PPL Montana, LLC and PPL EnergyPlus, LLC Preston Gates & Ellis, LLP Marc Barreca 925 Fourth Avenue, Suite 2900 Seattle WA 98104-1158 Counsel for Western Energy Company Sidley Austin Brown & Wood LLP Lee S. Attanasio, Esq. 787 Seventh Avenue New York NY 10019 Counsel for Otter Tail Power Company Morris, James, Hitchens & Williams LLP Carl N. Kunz, III, Esq. 222 Delaware Avenue, 10th Floor PO Box 2306 Wilmington DE 19899 Counsel for Otter Tail Power Company Dorsey & Whitney LLP Monica L. Clark, Esq. 50 South Street, Suite 1500 Minneapolis MN 55402-1498 Attn: Katherine A. McLendon Counsel for SGE (New York) Associates Simpson Thacher & Bartlett LLP David Kovel 425 Lexington Avenue New York NY 10017 Counsel for SGE (New York) Associates Ashby & Geddes Attn: William P. Bowden 222 Delaware Avenue, 17th Floor Wilmington DE 19899 In re NorthWestern Corp 9/24/2004 11:16 AM USBC Case No. 03-12872 00013839.XLS Exhibit A Rule 2002 Service List Description of Party Notice Party Address1 Address2 Address3 City State Zip Counsel for Duke Energy Trading and Marketing Zack A. Clement LLC Fulbright & Jaworski L.L.P. Johnathan C. Bolton 1301 McKinney Street, Suite 4100 Houston TX 77010-3095 Counsel for Duke Energy Trading and Marketing LLC Duke Energy Trading and Marketing, LLC Lisa J. Mellencamp Assistant General Counsel 5400 Westheimer Ct. Houston TX 77056-5310 Neil B. Glassman Counsel to the Unofficial Committee of Senior Charlene D. Davis Noteholders The Bayard Firm Eric M. Sutty 222 Delaware Avenue Suite 900 Wilmington DE 19801 Alan W. Kornberg Marc F. Skapof Counsel to the Unofficial Committee of Senior Ephraim I Diamond Noteholders Paul, Weiss, Rifkind, Wharton & Garrison LLP Talia Gil 1285 Avenue of the Americas New York NY 10019-6064 Counsel for The Bank of New York and MaryBeth Lewicki Bryan Cave LLP Walter H. Curchack 1290 Avenue of the Americas New York NY 10104 Counsel to MBIA Insurance Corporation Jaspan Schlesinger Hoffman LLP Attn Frederick B Rosner Esq 1201 N Orange Street Ste 1001 Wilmington DE 19801 Counsel for HSBC Bank USA Pryor Cashman Sherman & Flynn LLP Attn Tina Niehold Moss Esq Constantine Potamianos Esq 410 Park Avenue New York NY 10022-4441 Counsel for HSBC Bank USA HSBC Bank USA Vice President Issuer Services Robert A Conrad 10 East 40th Street New York NY 10016-0200 Counsel for Kinder Morgan Interstate Gas Transmission Company Lock Liddel & Sapp LLP Patricia Williams Prewitt 3400 JPMorgan Chase Tower 600 Travis Street Houston TX 77002-3095 Attorney for Mellon Leasing Corporation Reed Smith LLP Eric A Schaffer Esq 435 Sixth Avenue Pittsburgh PA 15219 Jack L Smith Counsel for Atlantic Richfield Company Holland & Hart LLP Donald A Allen 555 Seventeenth Street Ste 3200 Post Office Box 8749 Denver CO 80201-8749 Counsel for Atlantic Richfield Company Atlantic Richfield Company David L Bell Senior Legal Counsel 4101 Winfield Road Mail Code 4 West Warrenville IL 60555 Adam G Landis Esquire Counsel for Avista Energy Inc Landis Rath & Cobb LLP Kerri K. Mumford Esquire 919 Market Street Ste 600 Wilmington DE 19801 Geroge M. Kelakos Esquire Counsel for Avista Energy Inc Heller Ehrman White & McAuliffe LLP Scott W. MacCormack Esquire 120 West 45th Street, 21st Fl New York NY 10036 RSN Party Avista Energy Ms Kimberly Gentle 201 W North River Dr Ste 610 Spokane WA 99201 Attorneys for JPMorgan Chase Bank as Indenture Trustee Winston & Strawn LLP C MacNeil Mitchell Esq Attn Denise Cunsolo Legal Assistant 200 Park Avenue New York NY 10166 JPMorgan Chase Bank as Indenture Trustee JPMorgan Chase Bank Romano Peluso Vice President 4 New York Plaza 15th Fl New York NY 10004-2413 Neal J Levitsky Esquire Attorneys for Merle D. Lewis FOX ROTHSCHILD LLP L Jason Cornell Esquire 919 North Market Street Ste 1300 PO Box 2323 Wilmington DE 19899-2323 Michael S Etkin Esq Bankruptcy Counsel for Lead Plaintiffs Lowenstein Sandler PC Ira M Levee Esq 65 Livingston Avenue Roseland NJ 07068 Darren J Robbins Esq Co-Lead Counsel for Lead Plaintiffs Milberg Weiss Bershad Hynes & Lerach LLP Reed R Katherine Esq 108 Pine Street Ste 2600 San Francisco CA 94111 David R Scott Esq Co-Lead Counsel for Lead Plaintiffs Scott & Scott LLC Michael A Swick Esq 108 Northwich Avenue Colchester CT 06415 Counsel for Puget Sound Energy Ballard Spahr Andrews & Ingersoll LLP Tobey M Daluz Esquire 919 Market Street 17th Fl Wilmington DE 19801 Counsel for Puget Sound Energy Leboeuf Lamb Greene & Macrae LLP Bennettt G Young Esquire One Embarcadero Center Ste 400 San Francisco CA 94111 Counsel for Montana Department of Public Service Attn: Robin A. McHugh, Esq. Regulation Montana Public Service Commission Al Brogan, Esq. 1701 Prospect Avenue PO Box 202601 Helena MT 59620-2601 RSN Party Pension Benefit Guaranty Corporation Jason M. Weyand, Esq. Office of the General Counsel 1200 K Street, NW Washington DC 20005-4026 RSN Party Daily Insights 225 W 34th St Ste 403 New York NY 10122 Counsel for Qwest Communications Corporation Morris, James, Hitchens & Williams, LLP Carl N. Kunz, III, Esquire 222 Delaware Avenue, 10th Floor PO Box 2306 Wilmington DE 19899 Counsel for Qwest Communications Corporation Sills, Cummis, Radin, Tischman, Epstein & Gross Andrew H. Sherman, Esquire One Riverfront Plaza Newark NJ 07102 300 Delaware Ave 8th Floor, Suite Counsel for Richard Hylland Stevens & Lee, P.C.