12 March 2026

 ROCKWOOD STRATEGIC PLC

("Rockwood Strategic" or the "Company")

Board Changes

Rockwood Strategic plc (LSE: RKW), is pleased to announce the appointment of Sangita Shah as an Independent Non-Executive Director of the Company with immediate effect from 1 April 2026. The Company also announces that Kenneth Lever has given notice of his intention not to seek re-election as Non-Executive Director at the Company's forthcoming Annual General Meeting, expected to be held during July 2026.

Sangita Shah has served as a Non‑Executive Director on several UK‑listed company boards, including Kinovo plc (Chair), RA International plc (Chair), Inspired plc (Senior Independent Director and interim Chair), and Ten Entertainment plc (Chair of the Remuneration Committee). She has also been an active investor across a number of private companies.

Currently, Sangita is the Non‑Executive Chair of the Quoted Companies Alliance, interim Chair of Big Technologies plc, and Senior Independent Director of Forward Industries Inc., listed on Nasdaq. Beyond her corporate roles, Sangita is a trustee of the Willow Foundation and Chairs the Windsor Leadership Programme, established by Charles Handy and supported by the Duke of Edinburgh.

Ken will pass the Audit Chair role to existing Non-Executive Director Paul Dudley, who qualified as a Chartered Accountant with PriceWaterhouseCoopers in 1998.

Noel Lamb, Chairman, said: "We are delighted that Sangita is joining Rockwood Strategic. Her extensive experience across listed and private company boards, corporate governance, and strategic leadership is exceptionally well aligned with our ambitions and specialist investment strategy. The Board would also like to express its sincere gratitude to Ken, who has served the Company with dedication and professionalism for the past ten and a half years. His deep knowledge, balanced judgement, and unwavering commitment have made a significant contribution to where Rockwood Strategic is today, and we extend him a huge thank you on behalf of shareholders, the Board and Manager."

There are no further disclosures to be made under UKLR6.4.8.

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