Incorporated in Guernsey. Guernsey registration Number: 47656. South African external company registration number 2009/012636/10 Share code on JSE:GML / AIM:GEM ISIN: GG00BG0KTL52 | LEI: 21380017GAVXTCYS5R31 ("Gemfields" or the "Company") Grant of performance share awards under Long Term Incentive Plan (LTIP) and PDMR dealings LONDON, 25 AUGUST 2023 Shareholders are advised that the Company has awarded a total of 11,823,851 performance shares in the form of nominal cost options (“Performance Shares”) under Gemfields Group Limited Long Term Incentive Plan 2023 (“LTIP”) to two Executive Directors and a small number of senior employees including PDMRs. The vesting of all the Performance Shares is conditional on meeting performance conditions measured over a three-year period as described below. The awards will vest on the third anniversary of grant and are subject to a two-year post vesting holding period and to conventional malus and clawback provisions. Performance conditions These performance conditions will be measured from 1 January 2023 to 31 December 2025 (“Performance Measurement Period”). 1. Cumulative Adjusted Earnings Per Share ("AEPS") Target Up to 50% of the total Performance Shares will vest dependent upon the achievement of a cumulative AEPS target over the Performance Measurement Period, determined as follows: Cumulative AEPS for the three years to 31 % of Shares subject to the AEPS December 2025 Target Vesting 1 Below USD 0.09 No vesting USD 0.09 25% USD 0.12 or higher 100% 1 Straight line vesting for AEPS between USD0.09-USD0.12. Gemfields Group Limited, Royal Chambers, St Julian’s Avenue, St Peter Port, GY1 4HP, Guernsey T +44 (0)1481 731 554 gemfieldsgroup.com AEPS is defined as Headline Earnings Per Share adjusted for unrealised fair value gains and losses. This removes any gains or losses that may relate to revaluations of the Company’s 6.54% stake in Sedibelo Resources and will reported in the Company’s financial accounts going forward. Any adjustments made to the AEPS target for the purposes of the performance condition shall be applied at the sole discretion of the Remuneration Committee and may include, without limitation, charges for share based payments, the amortisation of acquired intangible assets, and extraordinary one-off items. Such adjustments will be applied on a transparent and consistent basis. 2. Total Shareholder Return ("TSR") Target Up to 50% of the total Performance Shares will vest dependent upon the performance of the Company's TSR measured over the Performance Measurement Period, determined as follows: Compound average TSR growth for three-year % of Shares subject to the TSR period to 31 December 2025 Target Vesting 1 Below 10.0% No vesting 10.0% 25% 15.0% 100% 1 Straight line vesting for compound average TSR growth between 10.0%-15.0%. The base share price for this performance condition is USD 19.40 cents, being the volume weighted average price of the Company's shares traded on AIM for the 30 trading days (“30 Day VWAP) immediately prior to the start of the Performance Measurement Period of 16.03 pence translated into USD, using the average last exchange rate over the period of the 30 Day VWAP, of USD 1.2105 per GBP 1. This base will be compared with the TSR at the end of the performance period on 31 December 2025, as calculated using the AIM 30 Day VWAP until 31 December 2025 translated into USD using the same basis as above, multiplied by one share plus any additional shares or fraction of a share that could have been acquired by re-investing any net dividends, using the AIM closing price on the ex-dividend date applicable to each dividend, paid during the Performance Measurement Period. Notification of a Transaction pursuant to Article 19(1) of Regulation (EU) No. 596/2014 1 Details of the person discharging managerial responsibilities / person closely associated Gemfields Group Limited Page 2 of 8 a) Name Sean Gilbertson 2 Reason for the notification a) Position/status Chief Executive Officer / PDMR b) Initial notification Initial Notification /Amendment 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Gemfields Group Limited b) LEI 21380017GAVXTCYS5R31 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial Ordinary Shares of USD0.00001 each instrument, type of instrument Identification code ISIN: GG00BG0KTL52 b) Nature of the transaction Grant of nominal cost options c) Price(s) and volume(s) Price(s) Volume(s) Nil 3,749,093 d) Aggregated information - Aggregated volume 3,749,093 - Price Nil e) Date of the transaction 25 August 2023 f) Place of the transaction Off market transaction 1 Details of the person discharging managerial responsibilities / person closely associated a) Name David Lovett 2 Reason for the notification a) Position/status Chief Finance Officer / PDMR b) Initial notification Initial Notification /Amendment 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Gemfields Group Limited b) LEI 21380017GAVXTCYS5R31 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted Gemfields Group Limited Page 3 of 8 a) Description of the financial Ordinary Shares of USD0.00001 each instrument, type of instrument Identification code ISIN: GG00BG0KTL52 b) Nature of the transaction Grant of nominal cost options c) Price(s) and volume(s) Price(s) Volume(s) Nil 2,043,563 d) Aggregated information - Aggregated volume 2,043,563 - Price Nil e) Date of the transaction 25 August 2023 f) Place of the transaction Off market transaction 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Adrian Banks 2 Reason for the notification a) Position/status PDMR b) Initial notification Initial Notification /Amendment 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Gemfields Group Limited b) LEI 21380017GAVXTCYS5R31 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial Ordinary Shares of USD0.00001 each instrument, type of instrument Identification code ISIN: GG00BG0KTL52 b) Nature of the transaction Grant of nominal cost options c) Price(s) and volume(s) Price(s) Volume(s) Nil 1,204,627 d) Aggregated information - Aggregated volume 1,204,627 - Price Nil e) Date of the transaction 25 August 2023 Gemfields Group Limited Page 4 of 8 f) Place of the transaction Off market transaction 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Kartikeya Parikshya 2 Reason for the notification a) Position/status PDMR b) Initial notification Initial Notification /Amendment 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Gemfields Group Limited b) LEI 21380017GAVXTCYS5R31 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial Ordinary Shares of USD0.00001 each instrument, type of instrument Identification code ISIN: GG00BG0KTL52 b) Nature of the transaction Grant of nominal cost options c) Price(s) and volume(s) Price(s) Volume(s) Nil 1,076,981 d) Aggregated information - Aggregated volume 1,076,981 - Price Nil e) Date of the transaction 25 August 2023 f) Place of the transaction Off market transaction 1 Details of the person discharging managerial responsibilities / person closely associated a) Name CV Suresh 2 Reason for the notification a) Position/status PDMR b) Initial notification Initial Notification /Amendment 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor Gemfields Group Limited Page 5 of 8 a) Name Gemfields Group Limited b) LEI 21380017GAVXTCYS5R31 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial Ordinary Shares of USD0.00001 each instrument, type of instrument Identification code ISIN: GG00BG0KTL52 b) Nature of the transaction Grant of nominal cost options c) Price(s) and volume(s) Price(s) Volume(s) Nil 790,410 d) Aggregated information - Aggregated volume 790,410 - Price Nil e) Date of the transaction 25 August 2023 f) Place of the transaction Off market transaction Notification of a Transaction in terms of the JSE Listings Requirements Name Toby Hewitt Position/status Company Secretary and General Counsel Nature of the transaction Grant of nominal cost options Price(s) and volume(s) Price(s) Volume(s) Nil 711,744 Date of the transaction 25 August 2023 Nature of interest Direct Beneficial Place of the transaction Off market transaction -ENDS- Further information on Gemfields Group Limited can be found at: GEMFIELDSGROUP.COM Gemfields Group Limited Page 6 of 8 To join our investor mailing list, contact us on: ir@gemfields.com For any press enquiries please contact us on: gemfields@camarco.co.uk This announcement contains inside information for the purposes of Article 7 of the Market Abuse Regulation (EU) no. 596/2014 which forms part of domestic UK law pursuant to the European Union (withdrawal) act 2018 ("MAR"). ENQUIRIES GEMFIELDS Sean Gilbertson / David Lovett / Ian Hughes ir@gemfields.com T: +44(0) 20 7518 3400 SPONSOR (JSE) Investec Bank Limited NOMINATED ADVISER finnCap (AIM) & JOINT BROKER Christopher Raggett / Tim Redfern / Edward Whiley T: +44(0) 20 7220 0500 JOINT BROKER Liberum Scott Mathieson / Kane Collings T: +44(0) 20 3100 2222 FINANCIAL PR/ IR Camarco Gordon Poole / Emily Hall T: +44(0) 20 3757 4980 ADDITIONAL INFORMATION ON GEMFIELDS Gemfields is a world-leading responsible miner and marketer of coloured gemstones. Gemfields is the operator and 75% owner of both the Kagem emerald mine in Zambia (believed to be the world’s single largest producing emerald mine) and the Montepuez ruby mine in Mozambique (one of the most significant recently discovered ruby deposits in the world). In addition, Gemfields also holds controlling interests in various other gemstone mining and prospecting licences in Zambia, Mozambique, Ethiopia and Madagascar. Gemfields Group Limited Page 7 of 8 Gemfields’ outright ownership of Fabergé - an iconic and prestigious brand of exceptional heritage - enables Gemfields to optimise positioning, perception and consumer awareness of coloured gemstones through Fabergé designs, advancing the wider group’s “mine and market” vision. Gemfields has developed a proprietary grading system and a pioneering auction and trading platform to provide a consistent supply of coloured gemstones to downstream markets, a key component of Gemfields’ business model that has played an important role in the growth of the global coloured gemstone sector. GEMFIELDS GEMFIELDS.COM | INVESTORS |FOUNDATION INSTAGRAM | FACEBOOK | TWITTER | YOUTUBE FABERGÉ FABERGÉ.COM | INSTAGRAM | FACEBOOK | TWITTER | YOUTUBE KAGEM MINING LINKEDIN MONTEPUEZ RUBY MINING LINKEDIN Gemfields Group Limited Page 8 of 8