SOUTHERN GAS NETWORKS PLC (the "Issuer")

(LEGAL IDENTIFIER NUMBER: 549300SPX8573VZ2SK79)

Publication of Prospectus

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

The Prospectus dated 3 October 2024 (the "Prospectus") for the update of the £5,000,000,000 Euro Medium Term Note Programme (the "Programme"), for the issuance of notes by the Issuer and Scotland Gas Networks plc.

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

http://www.rns-pdf.londonstockexchange.com/rns/8610G_1-2024-10-3.pdf

The Prospectus is available on the Issuer's website at https://www.sgn.co.uk/about-us/debt-investor-relations and is also available for review at St Lawrence House, Station Approach, Horley, Surrey, RH6 9HJ.

A copy of the Prospectus has been submitted to the National Storage Mechanism and will shortly be available for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism 

For further information, please contact:

Nilesh Patel

Treasurer

St Lawrence House

Station Approach

Horley, Surrey

RH6 9HJ

+44 (0) 7779 387 828

treasury@sgn.co.uk

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the 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 is not addressed. The Prospectus is not intended for use in the United States and is not addressed or targeted at U.S. persons and should not be relied upon by any U.S. person. Prior to relying on the information contained in the Prospectus, you must ascertain from the Prospectus whether or not you are one of the intended addressees of the information contained therein.

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