Changes in Responsibilities of Directors Master Drilling Group Limited (Incorporated in the Republic of South Africa) (Registration number 2011/008265/06) JSE share code: MDI ISIN: ZAE000171948 ("Master Drilling" or the "Company") CHANGES IN RESPONSIBILITIES OF DIRECTORS The information below is provided in compliance with paragraph 3.59 (c) of the JSE Limited Listings Requirements. Following the passing away of Shane Trevor Ferguson, previously a director of the Company, as announced on SENS, shareholders are advised that with effect from 26 November 2024 the membership of the various Master Drilling board committees has been reconstituted as follows: 1. Master Drilling Audit Committee: Andries Willem Brink (Chairman), Akhter Alli Deshmukh and Mamokete Emily Ramathe. 2. Master Drilling Risk Committee: Andries Willem Brink (Chairman), Hendrik Roux van der Merwe, Akhter Alli Deshmukh, Hendrik Johannes Faul, Mamokete Emily Ramathe and Fred George Dixon. 3. Master Drilling Nominations Committee: Hendrik Roux van der Merwe (Chairman), Andries Willem Brink and Daniël Coenraad Pretorius. 4. Master Drilling Corporate Governance Committee: Hendrik Roux van der Merwe (Chairman), Akhter Alli Deshmukh and Andre Jean van Deventer. 5. Master Drilling Social Ethics and Suitability Committee: Mamokete Emily Ramathe (Chairman), Akhter Alli Deshmukh, Hendrik Johannes Faul and Fred George Dixon. 6. Master Drilling Remuneration Committee: Akhter Alli Deshmukh (Chairman), Andries Willem Brink and Hendrik Johannes Faul. Fochville 26 November 2024 Sponsor Investec Bank Limited Date: 26-11-2024 01:50:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.