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AECI names interim CEO as Riemensperger steps down

Holger Riemensperger

Holger Riemensperger

15th October 2025

By: Creamer Media Reporter

     

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JSE-listed AECI has appointed AECI Chemicals executive VP Dean Murray as the group's interim CEO, following the resignation of Holger Riemensperger, with effect from October 15.

AECI notes that Riemensperger resigned for personal and family-related reasons.

"During his tenure, Mr Riemensperger delivered on the strategy with marked successes in portfolio simplification, improving operational efficiencies, driving both cost savings and debt reduction, while increasing earnings before interest, taxes, depreciation and amortisation.

"Most recently, the company achieved a strong 132% increase in headline earnings per share in the first half of 2025 and a resumption of interim dividend payments. On behalf of the board, I want to thank Mr Riemensperger for his impact and commitment to the company, which often came at great personal sacrifice, and wish him well for his future endeavours," AECI Philisiwe Sibiya comments.

Sibiya further highlights that Murray is a highly seasoned executive, who knows all aspects of AECI and the chemicals business, having spent almost two decades in leadership positions within the company.

"He is supported by a strong executive team, and will continue delivering our strategy of portfolio optimisation, driving a winning culture, unlocking internal value and responsible international expansion," she adds.

The AECI board's nominations committee, supported by a leading executive search firm, has initiated a process to identify a permanent CEO, considering both internal and external candidates.

"The board is committed to finding a permanent CEO who can fully deliver on its strategy, capitalise on its best-in-class capabilities and assets and continue to drive a culture that will deliver improved performance, growth and shareholder returns," Sibiya says.

The group's share price on the JSE fell by more than 9% on the afternoon of October 15.

Edited by Chanel de Bruyn
Creamer Media Senior Deputy Editor Online

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