Appointment of Financial Advisor

FOR IMMEDIATE RELEASE

Petra Diamonds Limited

(the "Company")

Appointment of Financial Advisor

As per the announcement on the 1st of October, where the Company notified the market that it had decided to undertake a Strategic Review, the Company indicated that the Board was close to finalising the appointment of a financial advisor.

Petra has now appointed Questco Corporate Advisory ("Questco") to manage the Strategic Review on its behalf. All parties interested in participating or expressing any interest in this process are encouraged to contact Questco at the following contact details:

Ciska Kloppers, Director

Phone number:  +27 82 303 4826,  +31 6 11 13 47 49

Email: Petra@questco.co.za

FURTHER INFORMATION

For further information, please contact:

Investor Relations, London

       Telephone: +44 (0)7495470187

Julia Stone and Kelsey Traynor   [email protected]

About Petra Diamonds Limited

Petra Diamonds is a leading independent diamond mining group and a supplier of gem quality rough diamonds to the international market. The Company's portfolio incorporates interests in two underground mines in South Africa (Cullinan Mine and Finsch). The Group's principal operating asset is Cullinan Mine. Finsch entered business rescue on 29 May 2026.

Petra strives to conduct all operations according to the highest ethical standards and only operates in countries which are members of the Kimberley Process. The Company aims to generate tangible value for each of its stakeholders, thereby contributing to the socio-economic development of its host countries and supporting long-term sustainable operations to the benefit of its employees, partners and communities.

Petra is quoted on the Main Market of the London Stock Exchange under the ticker 'PDL'. The Company's loan notes, due in 2030, are listed on EuroNext Dublin (Irish Stock Exchange). For more information, visit www.petradiamonds.com.