Board Appointment

12 July 2018

Firestone Diamonds plc

("Firestone", the "Group" or the "Company")

Board Changes

CEO Paul Bosma Joins the Board, Stuart Brown Steps Down

Further to the announcement dated 14 May 2018, Firestone Diamonds plc (AIM: FDI), the new diamond producer with operations focused in Lesotho, is pleased to announce that Paul Bosma, the Company's CEO from 1 July 2018, has been appointed to the Board with immediate effect. Former CEO Stuart Brown has resigned from the Board also with immediate effect.

Lucio Genovese, Non-Executive Chairman, said: "We are delighted to welcome Paul to the Board. He has already assumed the new role as CEO following a two month handover from Stuart. I look forward to his positive contribution to the Board debate and wish Stuart all the very best for the future."

Additional information on Paul Bosma

The following additional information is provided in accordance with paragraph (g) of Schedule Two to the AIM Rules for Companies:

Paul Bosma, aged 50, was previously the General Manager of Liqhobong Mine and currently does not hold any directorship positions.

Past directorships within the last five years:

Hana Mining Limited

Dumas Contracting

There is no other information that is required to be disclosed pursuant to paragraph (g) of Schedule Two to the AIM Rules for Companies.

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 ("MAR").

For more information please visit www.firestonediamonds.com or contact:

About Firestone

Firestone is an international diamond mining company with operations focused in Lesotho. Firestone commenced commercial production in July 2017 at the Liqhobong Diamond Mine in Lesotho. Lesotho is emerging as one of Africa's significant new diamond producers, hosting Gem Diamonds' Letšeng Mine, Firestone's Liqhobong Mine, Namakwa Diamonds' Kao Mine and Lucapa's Mothae Mine.

-ends-