NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY IN, INTO OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OR REGULATIONS OF THAT JURISDICTION

FOR IMMEDIATE RELEASE

30 December 2025

John Wood Group PLC

("Wood" or the "Company")

Completion of sale of UK T&D to United Infrastructure

Further to the Company's announcement on 10 December 2025, the board of Wood is pleased to announce that it has today completed the sale of its United Kingdom Transmission & Distribution engineering business ("UK T&D") to UI Telecoms & Power Holdco Limited ("United Infrastructure"), as described in the announcement on 10 December 2025, for a cash consideration of £57.5 million (around $77.7 million) with cash proceeds of approximately £55.1 million net of transaction costs.

For the purposes of UK Listing Rule 7.3.3, Wood confirms that there has been no material change affecting any matter contained in the Company's announcement on 10 December 2025.

Important Notices

The distribution of this announcement in or from certain jurisdictions may be restricted or prohibited by the laws of any jurisdiction other than the UK. Recipients of this announcement are required to inform themselves of, and comply with, all restrictions or prohibitions in such other jurisdictions. Any failure to comply with applicable requirements may constitute a violation of the laws and/or regulations of such other jurisdictions.

This announcement has been prepared for the purposes of complying with the applicable law and regulation of the UK (including the UK Listing Rules (the "UKLRs") and the Disclosure Guidance and Transparency Rules) and the information disclosed may not be the same as that which would have been disclosed if this announcement had been prepared in accordance with the laws and regulations of any jurisdiction outside of the UK.

Save as required by the Market Abuse Regulation, the Disclosure Guidance and Transparency Rules, the UKLRs or by applicable law, Wood expressly disclaims any intention, obligation or undertaking to update, review or revise any of the information or the conclusions contained herein, including forward-looking or other statements contained in this announcement, or to correct any inaccuracies which may become apparent whether as a result of new information, future developments or otherwise.