Exhibit 8

1	99.999 LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
2	ADVANTICA CORPORATE VENTURES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
3	ADVANTICA LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
4	ADVANTICA PTY LIMITED
	SUITE 18 , GREENWICH SQUARE, 130-134 PACIFIC HIGHWAY,
	GREENWICH NSW, 2065 AUSTRALIA
5	ADVANTICA, INC.
	1170 HARRISBURG PIKE, CARLISLE, PA 17013
6	AERIAL GROUP LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
7	AERIAL UK LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
8	AGL SYSTEMS INTERNATIONAL LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
9	AMPLE DESIGN LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
10	ARTERION LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
11	ASSETHALL LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
12	BEEGAS NOMINEES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
13	BLACKWATER 1 LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
14	BLACKWATER 3 LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
15	BLACKWATER 4 LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
16	BLACKWATER 5 LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
17	BLACKWATER A LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
18	BLACKWATER AGENCY LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
19	BLACKWATER B LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH

20	BLACKWATER C LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
21	BLACKWATER D LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
22	BLACKWATER E LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
23	BLACKWATER H LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
24	BLACKWATER J LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
25	BLACKWATER SC 1 LIMITED
	191 WEST GEORGE STREET, GLASGOW, G2 2LD
26	BRITISH TRANSCO CAPITAL, INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582
	UNITED STATES
27	BRITISH TRANSCO FINANCE (NO 1) LIMITED
	C/O MAPLES AND CALDER, UGLAND HOUSE, SOUTH GEORGE STREET
	GEORGE TOWN, GRAND CAYMAN
	P O BOX 309 GT, CAYMAN ISLANDS
28	BRITISH TRANSCO FINANCE (NO 2) LIMITED
	C/O MAPLES AND CALDER, UGLAND HOUSE, SOUTH GEORGE STREET
	GEORGE TOWN, GRAND CAYMAN
	P O BOX 309 GT, CAYMAN ISLANDS
29	BRITISH TRANSCO FINANCE (NO 3) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
30	BRITISH TRANSCO FINANCE (NO 5) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
31	BRITISH TRANSCO FINANCE, INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
32	BRITISH TRANSCO INTERNATIONAL FINANCE BV
	SCHOUWBURGPLEIN 30-34, ROTTERDAM 3012 CL, THE NETHERLANDS
33	BSC CO LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
34	CONTIGUOUS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
35	EASTLANDS (BENEFITS ADMINISTRATION) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
36	EASTLANDS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
37	ELECTRACOM LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
38	ELEXON LIMITED
	4TH FLOOR, 350 EUSTON ROAD, LONDON, NW1 3AW

39	ENERGI LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
40	ENERGIS SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
41	ENERGY MARKET OPERATIONS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
42	ENERGY SETTLEMENTS AND INFORMATION SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
43	EUA BIOTEN, INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
44	EUA ENERGY INVESTMENT CORPORATION
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
45	EUA FRC II ENERGY ASSOCIATES
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
46	FASTNET CALOOSAHATCHEE COMMUNICATIONS LIMITED
	FGC CORPORATE SERVICES LTD, 125 MAIN STREET, TORTOLA, BVI
47	FULCRUM CONNECTIONS (EMPLOYERS) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
48	FULCRUM CONNECTIONS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
49	GAS RESEARCH & TECHNOLOGY CENTRE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
50	GEMSTONE SOFTWARE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
51	GRANITE STATE ELECTRIC COMPANY
	9 LOWELL ROAD, SALEM, NEW HAMPSHIRE 03079, UNITED STATES
52	GRID INTERNATIONAL LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
53	GRID INVESTMENT HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
54	GRID ONE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
55	GRIDAMERICA HOLDINGS INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
56	GRIDAMERICA LLC
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
57	GRIDCOM LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
58	GRIDMET LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH

59	GRIDNAT LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
60	GRTC LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
61	HUDSON POINTE, INC
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202
	UNITED STATES
62	INFRASTRUCTURE TECHNOLOGY GROUP LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
63	INTERNATIONAL POWER SYSTEMS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
64	INVERSIONES ABC LIMITADA
	AVENIDA DEL CONDOR 760, HUECHURABA
	SANTIAGO, CHILE
65	IPS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
66	ITG LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
67	LAND MANAGEMENT AND DEVELOPMENT, INC
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK, 13202, UNITED STATES
68	LANDRANCH LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
69	LANDWEST, INC
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK, 13202, UNITED STATES
70	LATTICE ENERGY SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
71	LATTICE GROUP EMPLOYEE BENEFIT TRUST LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
72	LATTICE GROUP INTERNATIONAL HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
73	LATTICE GROUP PLC
	1 - 3 STRAND, LONDON, WC2N 5EH
74	LATTICE GROUP SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
75	LATTICE GROUP TRUSTEES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
76	LATTICE GROUP US HOLDINGS, INC.
	1209 ORANGE STREET, WILMINGTON, DE 19801
77	LATTICE INTELLECTUAL PROPERTY LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
78	LATTICE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH

79	LATTICE OPSCO LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
80	LATTICE TELECOM FINANCE (NO 1) LIMITED
	15 - 19 ATHOL STREET, DOUGLAS, ISLE OF MAN, IM1 1LB
81	LATTICE TELECOMMUNICATIONS ASSET DEVELOPMENT COMPANY LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
82	LOUGHBOROUGH PARK MANAGEMENT LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
83	MAINSTREAM FORTY-SEVEN LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
84	MASSACHUSETTS ELECTRIC COMPANY
	55 BEARFOOT ROAD, NORTHBOROUGH MA 01532
	UNITED STATES
85	MELMAR LIMITED
	THIRD FLOOR, ST. GEORGE'S COURT, UPPER CHURCH STREET, DOUGLAS, ISLE
	OF MAN, IM1 1EE
86	MERCATOR DEVELOPMENTS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
87	METROWEST REALTY LLC
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
88	MOREAU PARK, INC
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES
89	NANTUCKET ELECTRIC COMPANY
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
90	NATGRID FINANCE HOLDINGS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
91	NATGRID FINANCE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
92	NATGRID HOLDINGS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
93	NATGRID INVESTMENTS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
94	NATGRID LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
95	NATGRID ONE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
96	NATIONAL GRID (IOM) UK LTD
	2ND FLOOR, SIXTY CIRCULAR ROAD, DOUGLAS, ISLE OF MAN, IM1 1SA
97	NATIONAL GRID (IRELAND) 1 LIMITED
	25/28 NORTH WALL QUAY, DUBLIN 1
	REPUBLIC OF IRELAND

98	NATIONAL GRID (IRELAND) 2 LIMITED
	25/28 NORTH WALL QUAY, DUBLIN 1
99	NATIONAL GRID (SOUTHALL) GENERAL PARTNER LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
100	NATIONAL GRID (SOUTHALL) LP LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
101	NATIONAL GRID (US) HOLDINGS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
102	NATIONAL GRID (US) INVESTMENTS
	1-3 STRAND, LONDON, WC2N 5EH
103	NATIONAL GRID (US) INVESTMENTS 2
	1-3 STRAND, LONDON, WC2N 5EH
104	NATIONAL GRID (US) INVESTMENTS 3
	1-3 STRAND, LONDON, WC2N 5EH
105	NATIONAL GRID (US) INVESTMENTS 4
	1-3 STRAND, LONDON, WC2N 5EH
106	NATIONAL GRID (US) INVESTMENTS 5
	1-3 STRAND, LONDON, WC2N 5EH
107	NATIONAL GRID (US) INVESTMENTS 6
	1-3 STRAND, LONDON, WC2N 5EH
108	NATIONAL GRID (US) PARTNER 1 LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
109	NATIONAL GRID (US) PARTNER 2 LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
110	NATIONAL GRID ADVANTICA LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
111	NATIONAL GRID AUSTRALIA PTY LIMITED
	OFFICES OF MAPLES AND CALDER, UGLAND HOUSE, PO BOX 309, SOUTH CHURCH
	STREET, GEORGE TOWN, GRAND CAYMAN, CAYMAN ISLANDS
112	NATIONAL GRID AUSTRALIA PTY LTD
	LEVEL 3, 410 COLLINS STREET, MELBOURNE 3000
	AUSTRALIA
113	NATIONAL GRID BASSLINK LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
114	NATIONAL GRID BRAZIL B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
115	NATIONAL GRID BRAZIL FINANCE
	1-3 STRAND, LONDON, WC2N 5EH
116	NATIONAL GRID BRAZIL TRANSMISSION B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
117	NATIONAL GRID CHILE B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS

118	NATIONAL GRID COMMERCIAL HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
119	NATIONAL GRID COMMUNICATIONS, INC.
	80 CENTRAL STREET, BOXBOROUGH MA 01719
120	NATIONAL GRID COMPANY HOLDINGS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
121	NATIONAL GRID CONNECTIONS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
122	NATIONAL GRID DISTRIBUTION LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
123	NATIONAL GRID EIGHT LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
124	NATIONAL GRID EIGHTEEN LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
125	NATIONAL GRID ELECTRICITY LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
126	NATIONAL GRID ELECTRICITY TRANSMISSION PLC
	1-3 STRAND, LONDON, WC2N 5EH
127	NATIONAL GRID ELEVEN LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
128	NATIONAL GRID FIFTEEN LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
129	NATIONAL GRID FINANCE B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
130	NATIONAL GRID FIVE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
131	NATIONAL GRID FOUR LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
132	NATIONAL GRID FOURTEEN LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
133	NATIONAL GRID GAS HOLDINGS PLC
	1 - 3 STRAND, LONDON, WC2N 5EH
134	NATIONAL GRID GAS PLC
	1 - 3 STRAND, LONDON, WC2N 5EH
135	NATIONAL GRID GOLD LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
136	NATIONAL GRID GRAIN LNG LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
137	NATIONAL GRID GROUP LIMITED
	1-3 STRAND, LONDON, WC2N 5EH

138	NATIONAL GRID HOLDINGS B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
139	NATIONAL GRID HOLDINGS INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
140	NATIONAL GRID HOLDINGS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
141	NATIONAL GRID HOLDINGS ONE PLC
	1-3 STRAND, LONDON, WC2N 5EH
142	NATIONAL GRID HOLLAND LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
143	NATIONAL GRID INDIA B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
144	NATIONAL GRID INDUS B.V.
	1-3 STRAND, LONDON, WC2N 5EH
145	NATIONAL GRID INSURANCE COMPANY (IRELAND) LIMITED
	30-39 FITZWILLIAM SQUARE, DUBLIN 2, IRELAND
146	NATIONAL GRID INSURANCE COMPANY (ISLE OF MAN) LIMITED
	THIRD FLOOR, JUBILEE BUILDINGS, VICTORIA STREET, DOUGLAS, ISLE OF
	MAN, IM1 2LR
147	NATIONAL GRID INTERCONNECTORS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
148	NATIONAL GRID INTERNATIONAL LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
149	NATIONAL GRID IRELAND THREE
	C/O A&L GOODBODY SOLICITORS, 25/28 NORTH WALL QUAY, DUBLIN 1, IRELAND
150	NATIONAL GRID JERSEY HOLDINGS FIVE LIMITED
	WHITELEY CHAMBERS, DON STREET, ST HELIER, JERSEY JE4 9WG
151	NATIONAL GRID JERSEY INVESTMENTS LIMITED
	WHITELEY CHAMBERS, DON STREET, ST HELIER, JERSEY, JE4 9WG
152	NATIONAL GRID JERSEY INVESTMENTS TWO LIMITED
	WHITELEY CHAMBERS, DON STREET, ST HELIER, JERSEY, JE4 9WG
153	NATIONAL GRID LAND AND PROPERTIES LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
154	NATIONAL GRID LAND DEVELOPMENTS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
155	NATIONAL GRID LAND INVESTMENTS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
156	NATIONAL GRID LNG LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
157	NATIONAL GRID MANQUEHUE B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS

158	NATIONAL GRID MARKET SERVICES LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
159	NATIONAL GRID METERING LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
160	NATIONAL GRID NETHERLANDS ONE B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
161	NATIONAL GRID NETHERLANDS THREE B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
162	NATIONAL GRID NETHERLANDS TWO B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
163	NATIONAL GRID NINE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
164	NATIONAL GRID NINETEEN LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
165	NATIONAL GRID ONE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
166	NATIONAL GRID OVERSEAS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
167	NATIONAL GRID OVERSEAS TWO LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
168	NATIONAL GRID PENSIONS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
169	NATIONAL GRID PLC
	1-3 STRAND, LONDON, WC2N 5EH
170	NATIONAL GRID POLAND B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
171	NATIONAL GRID PROCUREMENT BV
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
172	NATIONAL GRID PROPERTY (NORTHAMPTON) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
173	NATIONAL GRID PROPERTY (WARWICK) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
174	NATIONAL GRID PROPERTY DEVELOPMENTS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
175	NATIONAL GRID PROPERTY HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
176	NATIONAL GRID PROPERTY LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
177	NATIONAL GRID PROPERTY NOMINEES (NO 1) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH

178	NATIONAL GRID PROPERTY NOMINEES (NO 2) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
179	NATIONAL GRID PROPERTY REGENERATION LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
180	NATIONAL GRID SEVEN LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
181	NATIONAL GRID SEVENTEEN LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
182	NATIONAL GRID SIX LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
183	NATIONAL GRID SIXTEEN LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
184	NATIONAL GRID TELECOMS INVESTMENT LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
185	NATIONAL GRID TEN
	1-3 STRAND, LONDON, WC2N 5EH
186	NATIONAL GRID THREE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
187	NATIONAL GRID TRANSCO EUROPE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
188	NATIONAL GRID TRANSCO GROUP LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
189	NATIONAL GRID TRANSCO HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
190	NATIONAL GRID TRANSCO INTERNATIONAL LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
191	NATIONAL GRID TRANSCO ONE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
192	NATIONAL GRID TRANSCO UK LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
193	NATIONAL GRID TRANSMISSION LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
194	NATIONAL GRID TRANSMISSION SERVICES CORPORATION
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
195	NATIONAL GRID TWELVE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
196	NATIONAL GRID TWENTY LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
197	NATIONAL GRID TWENTY ONE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH

198	NATIONAL GRID TWO LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
199	NATIONAL GRID UK LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
200	NATIONAL GRID US 6 LLC
	CORPORATION SERVICE COMPANY, 2711 CENTERVILLE ROAD, SUITE 400, NEW
	CASTLE COUNTY, WILMINGTON DE 19808, UNITED STATES
201	NATIONAL GRID US 7 INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
202	NATIONAL GRID US8 INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
203	NATIONAL GRID US LLC
	CORPORATION SERVICE COMPANY, 2711 CENTERVILLE ROAD, SUITE 400,
	WILMINGTON DE 19808, UNITED STATES
204	NATIONAL GRID USA
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
205	NATIONAL GRID USA SERVICE COMPANY, INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
205A	NATIONAL GRID WIRELESS AERIAL SITES PLC
	1-3 STRAND, LONDON, WC2N 5EH
206	NATIONAL GRID WIRELESS FINANCE PLC
	1 - 3 STRAND, LONDON, WC2N 5EH
207	NATIONAL GRID WIRELESS HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
208	NATIONAL GRID WIRELESS HOLDINGS, INC.
	80 CENTRAL STREET, BOXBOROUGH MA 01719
209	NATIONAL GRID WIRELESS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
210	NATIONAL GRID WIRELESS NO 2 LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
211	NATIONAL GRID WIRELESS NO 3 LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
212	NATIONAL GRID WIRELESS NO 4 LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
213	NATIONAL GRID WIRELESS PENSION TRUST LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
214	NATIONAL GRID WIRELESS SERVICES, INC.
	80 CENTRAL STREET, BOXBOROUGH MA 01719
215	NATIONAL GRID ZAMBIA B.V.
	ROKIN 55, 1012 KK AMSTERDAM, NETHERLANDS
216	NATIONAL GRID ZAMBIA LIMITED
	1-3 STRAND, LONDON, WC2N 5EH

217	NEES COMMUNICATIONS, INC.
	80 CENTRAL STREET, BOXBOROUGH MA 01719
218	NEES ENERGY, INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
219	NEES TELECOMMUNICATIONS CORP.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
220	NETMAP LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
221	NETWORK MAPPING LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
222	NEW ENGLAND ELECTRIC TRANSMISSION CORPORATION
	9 LOWELL ROAD, SALEM, NEW HAMPSHIRE, 03079, UNITED STATES
223	NEW ENGLAND ENERGY INCORPORATED
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
224	NEW ENGLAND HYDRO FINANCE COMPANY, INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
225	NEW ENGLAND POWER COMPANY
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
226	NEW ENGLAND WHOLESALE ELECTRIC COMPANY
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
227	NEWHC, INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
228	NG AUSTRALIA GP PTY LTD
	LEVEL 3, 410 COLLINS STREET, MELBOURNE 3000, AUSTRALIA
229	NG AUSTRALIA LLP
	LEVEL 3, 410 COLLINS STREET, MELBOURNE 3000, AUSTRALIA
230	NG CHICAGO I LLC
	2711 CENTERVILLE ROAD, SUITE 400, WILMINGTON, DELAWARE 19808, USA
231	NG CHICAGO II, LLC
	2711 CENTERVILLE ROAD, SUITE 400, WILMINGTON, DELAWARE 19808, USA
232	NG JERSEY LIMITED
	WHITELEY CHAMBERS, DON STREET, ST. HELIER, JERSEY, JE4 9WG
233	NG LEASING LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
234	NG LUXEMBOURG TWO SARL
	46A AVENUE JOHN F KENNEDY, L 1855 LUXEMBOURG
235	NG MALTA ONE LIMITED
	LINE WALL ROAD, GIBRALTAR
236	NG MALTA TWO LIMITED (IN LIQUIDATION)
	90 STRAIT STREET, VALETTA, MALTA

237	NG NOMINEES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
237A	NG PROCUREMENT HOLDINGS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
238	NGC (GB) LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
239	NGC DO BRASIL PARTICIPACOES LTDA
	AV. RIO BRANCO NO. 1, ROOM 1608, RIO DE JANEIRO RJ, BRAZIL
240	NGC EMPLOYEE SHARES TRUSTEE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
241	NGC ENERGY LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
242	NGC INDUS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
243	NGC IT LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
244	NGC LEISURE LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
245	NGC TWO LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
246	NGC ZAMBIA LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
247	NGET LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
248	NGG (DELAWARE) LLC
	CORPORATION SERVICE COMPANY, 2711 CENTERVILLE ROAD, SUITE 400,
	WILMINGTON DE 19808, UNITED STATES
249	NGG FINANCE (NO 1) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
250	NGG FINANCE PLC
	1-3 STRAND, LONDON, WC2N 5EH
251	NGG LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
252	NGG TELECOMS HOLDINGS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
253	NGG TELECOMS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
254	NGT CONNECTIONS (NO 1) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
255	NGT CONNECTIONS (NO 2) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH

256	NGT FIVE LIMITED
	C/O MAPLES AND CALDER, UGLAND HOUSE,, SOUTH GEORGE STREET, GEORGE
	TOWN, GRAND CAYMAN, P O BOX 309 GT, CAYMAN ISLANDS
257	NGT FOUR LIMITED
	C/O M & C CORPORATE SERVICES, PO BOX 309GT, UGLAND HOUSE, SOUTH
	CHURCH STREET, GRAND CAYMAN, CAYMAN ISLANDS, CAYMAN ISLANDS
258	NGT HOLDING COMPANY (ISLE OF MAN) LIMITED
	3RD FLOOR, ST GEORGE'S COURT, UPPER CHURCH STREET, DOUGLAS, IM1 1EE,
	ISLE OF MAN
259	NGT HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
260	NGT INTELLECTUAL PROPERTY LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
261	NGT LUXEMBOURG ONE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
262	NGT LUXEMBOURG TWO LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
263	NGT METERING LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
264	NGT ONE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
265	NGT ONSTREAM LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
266	NGT TELECOM NO.1 LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
267	NGT TELECOM NO.2 LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
268	NGT THREE
	1-3 STRAND, LONDON, WC2N 5EH
269	NGT TWO LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
270	NGT UK HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
271	NGTM HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
272	NIAGARA MOHAWK ENERGY, INC.
	507 PLUM STREET, SYRACUSE NEW YORK, UNITED STATES
273	NIAGARA MOHAWK HOLDINGS, INC.
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES
274	NIAGARA MOHAWK POWER CORPORATION
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES

275	NM PROPERTIES, INC.
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES
276	NM URANIUM, INC.
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK, 13202, UNITED STATES
277	NT LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
278	ON STREAM ASSET MANAGEMENT SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
279	ON STREAM DATA MANAGEMENT LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
280	ON STREAM DATA PROVISION LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
281	ON STREAM METER OPERATIONS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
282	ON STREAM METER READING SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
283	ON STREAM METERING LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
284	ON STREAM SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
285	ON STREAM SOLUTIONS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
286	ON STREAM UTILITIES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
287	ON STREAM.COM LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
288	ONSTREAM METERING SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
289	OPINAC ENERGY CORPORATION
	BENNETT JONES LLP, ONE FIRST CANADIAN PLACE, SUITE 3400, P.O. BOX
	130, TORONTON ON M5X 1A4, CANADA
290	OPINAC NORTH AMERICA, INC.
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES
291	OPROPCO, INC
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES
292	PORT GREENWICH LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
293	PORT OF ISLANDS NORTH LLC
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES
294	POWERCOM LIMITED
	1-3 STRAND, LONDON, WC2N 5EH

295	RISX ENVIRONMENTAL MANAGEMENT LIMITED
	6 WEST CRAIBSTONE STREET, ABERDEEN, ABERDEENSHIRE, AB11 6DL
296	RISX LIMITED
	6 WEST CRAIBSTONE STREET, ABERDEEN, ABERDEENSHIRE, AB11 6DL
297	RIVERVIEW, INC
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES
298	SALMON SHORES PARTNERSHIP
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES
299	SECONDSITE ESTATES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
300	SECONDSITE HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
301	SECONDSITE LAND LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
302	SECONDSITE PORTFOLIO SOLUTIONS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
303	SECONDSITE PROPERTY LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
304	SOFRER SA
	1 PLACE DE LA BOULE, 92024 NANTERRE, FRANCE
305	SSE TRANSCO LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
306	SST GMBH
	C/O PAUL THOMAS, ERNSBERGER, STRABE 5A, 81241 MUNICH, GERMANY
307	SST TOWERS COMMUNICATIONS SAS
	4 RUE MARIVAUX, 75002 PARIS, FRANCE
308	STARGAS NOMINEES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
309	STC INTERNATIONAL HOLDINGS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
310	STONER ASSOCIATES EUROPE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
311	SUPERGRID ENERGY TRANSMISSION LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
312	SUPERGRID LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
313	TELDATA INTERNATIONAL LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
314	TELDATA SERVICES LIMITED
	1-3 STRAND, LONDON, WC2N 5EH

315	TELDATA SOLUTIONS LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
316	TELECOM ELECTRIC LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
317	TELECOM INTERNATIONAL HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
318	TELINK LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
319	TERRACOM DESIGN & DEVELOPMENT LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
320	TERRACOM ESTATES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
321	THE ELECTRICITY TRANSMISSION COMPANY LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
322	THE NARRAGANSETT ELECTRIC COMPANY
	280 MELROSE STREET, PROVIDENCE, RHODE ISLAND, 02907, USA
323	THE NATIONAL GRID GROUP QUEST TRUSTEE COMPANY LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
324	THE NATIONAL GRID INVESTMENTS COMPANY
	1-3 STRAND, LONDON, WC2N 5EH
325	TRANSCO (EMPLOYERS) LTD
	1 - 3 STRAND, LONDON, WC2N 5EH
326	TRANSCO ASSET MAINTENANCE (SCOTLAND) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
327	TRANSCO ASSET MAINTENANCE (WALES) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
328	TRANSCO ASSET MAINTENANCE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
329	TRANSCO ASSET MANAGEMENT (SCOTLAND) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
330	TRANSCO ASSET MANAGEMENT (WALES) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
331	TRANSCO ASSET MANAGEMENT LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
332	TRANSCO CONNECTIONS (SCOTLAND) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
333	TRANSCO CONNECTIONS (WALES) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
334	TRANSCO CONNECTIONS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH

335	TRANSCO EMERGENCY SERVICES (SCOTLAND) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
336	TRANSCO EMERGENCY SERVICES (WALES) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
337	TRANSCO EMERGENCY SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
338	TRANSCO HOLDINGS (EMPLOYERS) LTD
	1 - 3 STRAND, LONDON, WC2N 5EH
339	TRANSCO LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
340	TRANSCO LNG STORAGE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
341	TRANSCO METERING LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
342	TRANSCO METERING SERVICES (SCOTLAND) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
343	TRANSCO PIPELINE CONSTRUCTORS (SCOTLAND) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
344	TRANSCO PIPELINE CONSTRUCTORS (WALES) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
345	TRANSCO PIPELINE CONSTRUCTORS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
346	TRANSCO PIPELINES (SCOTLAND) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
347	TRANSCO PIPELINES (WALES) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
348	TRANSCO PIPELINES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
349	TRANSCO TELECOMMUNICATIONS ASSET DEVELOPMENT COMPANY LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
350	TRANSCO TRANSPORTATION COMPANY LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
351	TRANSGRID LIMITED
	1-3 STRAND, LONDON, WC2N 5EH
352	TRISCAPE PLANNING LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
353	UPPER HUDSON DEVELOPMENT INC
	300 ERIE BOULEVARD WEST, SYRACUSE, NEW YORK 13202, UNITED STATES
354	UTILITY METERING SERVICES LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH

355	VESAS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
356	WAYFINDER GROUP, INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
357	XOSERVE (UK) LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
358	XOSERVE HOLDINGS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
359	BRITNED DEVELOPMENT LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
360	COGSYS LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH
361	HOLDCO PARTICIPACOES LTDA
	PRAIA DE BOTAFOGO, NO 300-50 ANDAR, SALA 1301 (PARTE), RIO DE
	JANEIRO, RJ, BRAZIL
362	INTELIG TELECOMUNICACOES LTDA
	PRAIA DE BOTAFOGO, NO 370, BOTAFOGO, RIO DE JANEIRO, BRAZIL
363	JOINT RADIO COMPANY LIMITED
	30 MILLBANK, LONDON, SW1P 4RD
364	JVCO PARTICIPACOES LTDA
	PRAIA DE BOTAFOGO, NO 300-50 ANDAR, SALA 1301 (PARTE), RIO DE
	JANEIRO, RJ, BRAZIL
365	NATIONAL GRID MIDDLE EAST FZCO
	DUBAI AIRPORT, FREE ZONE AUTHORITY, DUBAI, UNITED ARAB EMIRATES
366	NEW ENGLAND HYDRO-TRANSMISSION CORPORATION
	9 LOWELL ROAD, SALEM, NEW HAMPSHIRE 03079, USA
367	NEW ENGLAND HYDRO-TRANSMISSION ELECTRIC COMPANY, INC.
	25 RESEARCH DRIVE, WESTBOROUGH MA 01582, UNITED STATES
368	NG LUXEMBOURG SA
	2 RUE J HACKIN, L - 1746 LUXEMBOURG, LUXEMBOURG
369	RIVERVIEW GALUSHA LLC
	426 DIX AVENUE, QUEENSBURY, NEW YORK 12804, UNITED STATES
370	SECOND STREET ASSOCIATES LLC
	219 BURNET AVENUE, SYRACUSE, NEW YORK 13203, UNITED STATES
371	XOSERVE LIMITED
	1 - 3 STRAND, LONDON, WC2N 5EH