EASTERN POWER NETWORKS PLC, LONDON POWER NETWORKS PLC, SOUTH EASTERN POWER NETWORKS PLC

SALE OF UK POWER NETWORKS HOLDINGS LIMITED

CK Infrastructure Holdings Limited ("CKI"), Power Assets Holdings Limited ("PAH") and CK Asset Holdings Limited ("CKA") have each announced that on 25 February 2026, CKI Number 1 Limited (an indirect wholly owned subsidiary of CKI), Eagle Insight International Limited (an indirect wholly owned subsidiary of CKA), Devin International Limited (an indirect wholly owned subsidiary of PAH) and Engie UK 2026 Limited (an indirect wholly owned subsidiary of Engie S.A.) (the "Purchaser") entered into a share purchase agreement (the "SPA") in relation to the proposed sale and purchase of 100% of the issued share capital of UK Power Networks Holdings Limited ("UKPN").

The sale and purchase obligations under the SPA are subject to a number of conditions. The sale and purchase will complete if these conditions are satisfied. Completion of the sale is expected in mid-2026, subject to certain regulatory approvals, which are customary for this type of transaction.

Eastern Power Networks plc, London Power Networks plc and South Eastern Power Networks plc are wholly-owned subsidiaries of UKPN.

For further information, please refer to CKI's announcement at: https://www1.hkexnews.hk/listedco/listconews/sehk/2026/0226/2026022600003.pdf

For further information, please contact:

Andrew Kluth

Head of Treasury,

UK Power Networks

2nd Floor Newington House

237 Southwark Bridge Road

London SE1 6NP

Email: [email protected]