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

2 January 2026

John Wood Group PLC

("Wood" or the "Company")

Completion of sale of joint venture interest in RWG to Siemens Energy Global

Further to the Company's announcements on 25 July 2025 and 3 November 2025, the board of Wood is pleased to announce that its wholly-owned subsidiary, JWG Investments Limited ("JWG"), has completed the sale of its 50 per cent. interest in RWG (Repair & Overhauls) Limited ("RWG") to Siemens Energy Global GmbH & Co. KG ("Siemens Energy Global"), as described in the announcement on 25 July 2025, for a cash consideration of $151 million, subject to customary closing adjustments and transaction costs. The sale completed on 31 December 2025.

Further information

Wood announced on 4 December 2025 that the A&E Effective Date had occurred and accordingly the Company had access to the $250 million Sidara Interim Funding and the $200 million New Money Facility (the "A&E Effective Date", "Sidara Interim Funding" and "New Money Facility" each having the meanings given in the Scheme Document).

Wood announced on 10 December 2025 that it had agreed to sell its United Kingdom Transmission & Distribution engineering business to UI Telecoms & Power Holdco Limited for a cash consideration of £57.5 million (the "UK T&D Transaction"). Wood announced completion of the UK T&D Transaction on 30 December 2025.

Other than the disclosures above in respect of the A&E Effective Date and the UK T&D Transaction, Wood confirms that for the purposes of UK Listing Rule 7.3.3, there has been no material change affecting any matter contained in the Company's announcements on 25 July 2025 and 3 November 2025.

Capitalised terms used in this announcement shall, unless otherwise defined, have the same meanings as set out in Wood's announcement dated 3 November 2025.

Enquiries

Simon McGough, President, Investor Relations               +44 (0)7850 978 741

Alex Le May / Ariadna Peretz, FTI Consulting                  +44 (0)20 3727 1340

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.