FRN Variable Rate Fix

As Agent Bank, please be advised of the following rate determined on: 10/1/2025
Issue	¦ National Grid Gas plc - Series 43 GBP 300,000,000 Index Linked FRN Due 17 Oct 2036
ISIN Number	¦ XS0270621138
ISIN Reference	¦ 27062113
Issue Nomin GBP	¦ 140000000
Period	¦ 4/17/2025 to 10/17/2025						Payment Date 10/17/2025
Number of Days	¦ 183
Rate	¦ 3.589601
Denomination GBP	¦ 1000			¦ 140000000					¦
Amount Payable per Denomination	¦ 17.95			¦ 2512720.85					¦
Bank of New York
Rate Fix Desk	Telephone						¦ 44 1202 689580
Corporate Trust Services		Facsimile					¦ 44 1202 689601

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