Petra Diamonds Regulatory News (PDL)

Petra Diamonds Limited("Petra," or the "Company")

Vesting of Share Awards

Following the vesting of shares in respect of the Company's deferred awards under the 2012 Performance Share Plan, application has been made to the UK Listing Authority and the London Stock Exchange plc for 94,8581,2 ordinary shares of 10p each in the Company ("Shares") to be admitted to the Official List.

The Shares will rank pari passu with the Company's existing ordinary shares and dealings are expected to commence at 8.00am on 29 October 2019.

Following admission of the Shares, the Company will have a total of 865,431,343 ordinary shares in issue.

1- Includes 62,304 shares to be issued to the previous Chief Executive under the terms of the 2012 Performance Share Plan as part of his settlement agreement as further disclosed in the 2019 Annual Report.

2- Includes 32,554 shares to be issued to the previous Technical Director, under the terms of the 2012 Performance Share Plan as part of his settlement agreement as further disclosed in the 2018 Annual Report.

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For further information, please contact:

Petra Diamonds, London Telephone: +44 20 7494 8203

Cathy Malins

Des Kilalea

Marianna Bowes investorrelations@petradiamonds.com

Buchanan Telephone: +44 20 746 5000

(PR Adviser)

Bobby Morse

Ariadna Peretz pdl@buchanan.uk.com

About Petra Diamonds Limited

Petra Diamonds is a leading independent diamond mining group and a consistent supplier of gem quality rough diamonds to the international market. The Company has a diversified portfolio incorporating interests in three underground producing mines in South Africa (Finsch, Cullinan and Koffiefontein) and one open pit producing mine in Tanzania (Williamson). Petra also conducts a limited exploration programme in Botswana and South Africa.

Petra's strategy is to focus on value rather than volume production by optimising recoveries from its high-quality asset base in order to maximise their efficiency and profitability. The Group has a significant resource base of ca. 250 million carats, which supports the potential for long-life operations.

Petra conducts all operations according to the highest ethical standards and will only operate 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 with a premium listing on the Main Market of the London Stock Exchange under the ticker 'PDL' and is a constituent of the FTSE4Good Index. The Company's US$650 million loan notes due in 2022 are listed on the Global Exchange market of the Irish Stock Exchange. For more information, visit www.petradiamonds.com.