FRN Variable Rate Fix

LONDON--(BUSINESS WIRE)--

As Agent Bank, please be advised of the following rate determined on: 17/06/10
Issue	¦ National Grid Gas plc - Series 76 - GBP 50,000,000 2.484% Index Linked due 29 Jul 2041
ISIN Number	¦ XS0529594037
ISIN Reference	¦ 052959403
Issue Nomin GBP	¦ 50,000,000
Period	¦ 29/07/10 to 29/01/11		Payment Date 29/01/11
Number of Days	¦ 184
Rate	¦ 0
Denomination GBP	¦ 50,000	¦		¦
Amount Payable per Denomination	¦ 621.22	¦		¦
Bank of New York
Rate Fix Desk		Telephone	¦ 44 1202 689580
Corporate Trust Services		Facsimile	¦ 44 1202 689601