FIKILE DLUDLU (DE BUCK)

Independent non-executive director

South African

BA Economics and Accounting, FCCA (UK)

Appointed to the Board in 2019

Fikile brings many years of executive financial experience to the AECI Board. She has held senior roles, including being the chief operating officer and chief financial officer at the Council for Medical Schemes and Treasurer at the Botswana Development Corporation. Fikile is a passionate advocate for women’s empowerment in business. She was the founding president of the South African Chapter of the Global Forum of Women Entrepreneurs and is a member of Women in Mining South Africa. Her experience and leadership across sectors and her expertise in governance and financial oversight offer valuable insight and stewardship to the Board.

WALTER DISSINGER

Lead Independent non-executive director

German

MEng (Industrial)

Appointed to the Board in 2020

Walter has more than three decades of global leadership experience in the industrial and chemical sectors. He previously served as global Chief Executive Officer of Votorantim Cimentos S.A., a leading international building materials company based in Brazil. Prior to that, he held senior executive roles at BASF across Argentina, Brazil and Germany, including being the Global President of the Nutrition and Health division, Senior Vice President Latam for Crop protection products and performance chemicals, including mining chemicals. Walter also serves as an independent director on the boards of several international companies in Brazil. His extensive expertise in governance, risk oversight and strategic innovation contributes significantly to the Board’s deliberations on AECI’s long-term growth and resilience.

Billy Mawasha

Independent non-executive director
South African
BSc Electrical Engineering
Appointed to the Board in 2025

Billy is a highly accomplished mining executive whose leadership experience spans some of South Africa’s most prominent mining houses. He has held senior roles at De Beers, AngloGold Ashanti and Kumba Iron Ore, and served as country head of Rio Tinto South Africa and managing director of Richards Bay Minerals. As the founder and chief executive officer of Kolobe Nala Investment Company, Billy brings deep industry insight, strategic acumen and a strong track record of value creation to the Board.

Nombulelo Moholi

Independent non-executive director

South African

BSc (Electrical and Electronics Engineering), Stanford Executive Program

Appointed to the Board in 2024

Nombulelo has more than 30 years of experience in the South African corporate sector. She previously served as the Chief Executive Officer of Telkom SA Limited. In 2013, Nombulelo embarked on a career as a non-executive director and has served on the boards of Anglo-American Platinum Limited, AVI Limited, Engen and Old Mutual. She brings strong ICT, governance and leadership expertise to AECI, with insight into strategy and risk oversight at the listed company level.

July Ndlovu

Independent non-executive director

South African

BSc (Metallurgical Engineering), MBL

Appointed to the Board in 2025

July is a seasoned mining executive with over 30 years of experience across multiple commodities and global markets. Since 2007, he has held senior leadership roles, successfully leading large-scale projects and mergers and acquisitions with multiple listings in Southern Africa and Australia. His global mining experience and emphasis on safety and innovation advance the Board’s strategic and sustainability priorities.

PATTY MISHIC O’BRIEN

Independent non-executive director

American

BSBA Industrial Marketing, MBA

Appointed to the Board in 2021

Committees

• Audit and Risk
• Social, Ethics and Safety

Tenure: Five years

Patty gained her experience in the chemicals, and advanced materials industry and sustainability as Chief Sustainability Officer at Teknor Apex and President of Danimer Scienific, LLC as well as, Chief Commercial Officer at UBQ Materials, a climate technology developer of advanced materials and as Chief Commercial Officer at CoorsTek, and Chief Marketing Officer at A Schulman (now LyondellBasell). She brings valuable international commercial and sustainability experience to support AECI's innovation and ESG ambitions.

MARNA ROETS

Independent non-executive director

South African

BCom (Hons), Certificate in Theory of Accountancy

CA (SA)

Appointed to the Board in 2020

Marna is an accomplished business leader with expertise in financial services, banking and corporate finance. She has held senior executive roles in major banking institutions and brings extensive experience in financial reporting, audit, risk, capital allocation and governance. As Chairperson of AECI’s Audit and Risk Committee, she provides strong leadership in ensuring audit quality, financial integrity, effective internal controls, disciplined risk oversight and robust compliance with evolving reporting and regulatory standards. She is skilled in operational efficiency, programme execution, and the application of digital and data-driven solutions to support strategic transformation,. Her ability to balance innovation with disciplined execution adds significant value to the Board.

DEAN MURRAY

Interim Chief Executive Officer

National Diploma in Chemical Engineering Global Executive, Development Programme Gordon Institute of Business Science (GIBS)

Appointed to the Executive Committee in January 2019

With over 18 years of service at AECI, Dean brings deep industry expertise and a proven leadership track record across the company's chemical operations. He joined AECI in 2006 as Managing Director of Chemiphos and went on to lead Lake International in 2007. Dean became part of the AECI Chemicals Executive in 2013 and was appointed to the AECI Executive Committee in 2018. He currently oversees AECI Chemicals, with a focus on enhancing cash generation and driving growth. His vision and commitment continue to shape AECI's contribution to the chemical sector and the Group's broader transformation journey.

IAN KRAMER

Group Financial Officer

B.Com (Hons) Accountancy, University of Pretoria CA (SA), The South Africa Institute of Chartered Accountants (SAICA)

Appointed to the Executive Committee in December 2024

Ian is a Chartered Accountant (SA) with over 30 years of experience. He has held senior finance roles at AngloGold Ashanti, where he led key initiatives in corporate restructuring, external reporting and treasury. Prior to that, he was an audit and advisory partner at KPMG in South Africa and Canada. His expertise spans financial management, taxation, risk and IT. At AECI, he is responsible for overseeing the Group's financial strategy and supporting its growth during a critical transition period.