23 September 2025

MYCELX TECHNOLOGIES CORPORATION

("MYCELX" or the "Company")

       Appointment of New Chairman and Succession

MYCELX Technologies Corporation (AIM: MYX), the clean water and clean air technology company, is pleased to announce the appointment of Gareth Kaminski-Cook as Chairman of the Board with effect immediately following today's Annual General Meeting. Current Chairman, Tom Lamb will remain on the Board as a Non-Executive Director. In keeping with the Company's commitment to strong governance, it is also initiating succession plans to ensure leadership continuity.

In the Chairman role, Gareth will engage with the Company's key stakeholders and work with Board and executive management to further strengthen the Company's strategy and organisational structure. He brings over 30 years' experience in market-leading industrial organisations across several business sectors, having previously been part of the leadership team of several global corporations. Gareth has also served as the CEO and board member for several companies listed on the UK stock exchange. At present, Gareth is the Non-Executive Chairman of Haydale Graphene Industries plc, where he was responsible for undertaking a corporate transformation of the business, increasing the market cap of the company from ca.£4 million to ca.£30 million. Prior to this, Gareth was the CEO of Autins Group PLC, where he successfully initiated a commercial turnaround of the business, with his previous roles including senior positions at Saint Gobain, Rexam, BPB and Danaher. Gareth is a former Officer in the Corps of Royal Engineers and a Civil Engineering graduate from Birmingham University.

The Company is moving forward with its succession plan, which has been in place and refined over time, reflecting the Company's commitment to strong governance and leadership continuity. As part of this process, MYCELX will prioritise development and further training of key internal personnel for specific leadership positions. This approach not only preserves the Company's culture and institutional knowledge but also affirms the Company's support of long-term employees who have delivered growth, and demonstrated strong leadership qualities. The wider succession plan will be reviewed and updated regularly by the Board's Nominating and Governance Committee, with progress communicated to shareholders as appropriate.

Tom Lamb, the former Chairman, said:

"Our Board and management team have successfully retained and continuously elevated future leaders, ensuring that any transition - whether planned or unforeseen - is seamless and supports the continued execution of our strategy and evolving business needs. This is an exciting moment for MYCELX and we remain focused on executing our growth strategy, strengthening the Company's market position, and delivering sustained long-term value for its shareholders. I remain a committed shareholder and I have considerable faith in the future potential of this business."

Gareth Kaminski-Cook, newly appointed Chairman, said:

"I am delighted to be joining MYCELX Technologies Corporation at what I believe is a pivotal moment in the Company's history. The business is poised for a step change in growth, with a number of contracts in advanced stages of bidding, that would help to significantly increase revenue. MYCELX continues to gain the attention of high-profile customers in its core markets, due to the successful trials and installations undertaken in recent years and is actively bidding on projects that have the potential to generate significant value for all our stakeholders going forward.  I look forward to working with our shareholders and employees to unlock the exceptional potential of the MYCELX technologies "

For further information, please contact: 

The following information regarding the appointment of Gareth Richard Norman Kaminski-Cook, aged 61, is disclosed under Schedule 2(g) of the AIM Rules for Companies:

There are no further disclosures to be made under Schedule 2(g) of the AIM Rules for Companies.