National Grid Gas PLC Publication of Supplementary Prospectus (6335A)

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RNS Number : 6335A

National Grid Gas PLC

22 January 2020

Publication of Supplementary Prospectus

The following supplementary prospectus has been approved by the Financial Conduct Authority and is available for viewing:

The Supplementary Prospectus dated 22 January 2020 (the "Supplementary Prospectus") supplementing the prospectus dated 30 July 2019 (the "Prospectus") for the National Grid Gas plc Euro 10,000,000,000 Euro Medium Term Note Programme.

The Supplementary Prospectus should be read and construed in conjunction with the Prospectus.

To view the Supplementary Prospectus, please paste the following URL into the address bar of your browser:

http://www.rns-pdf.londonstockexchange.com/rns/6335A_1-2020-1-22.pdf

A copy of the Supplementary Prospectus has been submitted to the National Storage Mechanism and will shortly be available for inspection at http://www.morningstar.co.uk/uk/

For further information, please contact:

Kwok Liu

Global Capital Markets

National Grid plc

1-3 Strand

London WC2N 5EH

Tel: [phone]

Gemma Stokes

Media Relations

National Grid plc

Warwick House

Warwick Technology Park

Gallows Hill

Warwick

CV34 6DA

Tel: [phone]

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Prospectus and Supplementary Prospectus may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Prospectus) only and is not intended for use and should not be relied upon by any person outside these countries and/or to whom the offer contained in the Prospectus and Supplementary Prospectus is not addressed. Prior to relying on the information contained in the Prospectus and Supplementary Prospectus you must ascertain from the Prospectus whether or not you are part of the intended addressees of the information contained therein.

Your right to access this service is conditional upon complying with the above requirement.

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact [e-mail] or visit www.rns.com.

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January 22, 2020 10:45 ET (15:45 GMT)