FRN Variable Rate Fix

As Agent Bank, please be advised of the following rate determined on: 1/22/2026
Issue	¦ National Grid Gas PLC - Series 57 GBP 75,000,000 Index-Linked FRN Due 22 Aug 2052
ISIN Number	¦ XS0316596476
ISIN Reference	¦ 31659647
Issue Nomin GBP	¦ 75000000
Period	¦ 2/22/2026 to 8/22/2026						Payment Date 8/24/2026
Number of Days	¦ 181
Rate	¦ 3.18477
Denomination GBP	¦ 100000			¦ 75000000					¦
Amount Payable per Denomination	¦ 1592.39			¦ 1194288.75					¦
Bank of New York
Rate Fix Desk	Telephone						¦ 44 1202 689580
Corporate Trust Services		Facsimile					¦ 44 1202 689601

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