Griffin Mining Limited

Director's Dealing • Nov 10, 2025

National Storage Mechanism | Additional information

RNS Number : 7432G

Griffin Mining Limited

10 November 2025

8th Floor, Royal Trust House, 54 Jermyn Street, London SW1Y 6LX, United Kingdom

Telephone: + 44 (0)20 7629 7772  Facsimile:  + 44 (0)20 7629 7773

E mail: [email protected]

10th November 2025

SHARE DEALINGS

Griffin Mining Limited ("Griffin") has been advised that John Steel (Chief Operating Officer) sold 35,000 ordinary shares in Griffin at a price of 183.57 pence per share on 4th November 2025 and a further 165,000 ordinary shares in Griffin at a price of 185.87878  pence per share on 6th November 2025  .  Following these sales John Steel does not hold any interest in the share capital of Griffin.

Template for notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

John Steel

2

Reason for the notification

a)

Position/status

Chief Operating Officer

b)

Initial notification/ Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Griffin Mining Limited

b)

LEI

213800VXEARSK4D5UG12

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 instrument, type of instrument Identification code

Ordinary Shares of US$0.01 each

BMG319201049

b)

Nature of the transaction

Sale of ordinary shares.

c)

Price(s) and volume(s)

Price(s)	Volume(s)
183.57 pence per share	35,000
185.87878 pence per share	165,000

d)

Aggregated information

- Aggregated volume

- Aggregated price

- Aggregated total

35,000                                165,000

183.57p                             185.87878p

£64,249.50                      £306,700.00

e)

Date of the transaction

4th November 2025         6th November 2025

f)

Place of the transaction

London Stock Exchange Alternative Investment Market

(1)  Commission Delegated Regulation (EU) 2016/522 of 17 December 2015 supplementing Regulation (EU) No 596/2014 of the European Parliament and of the Council as regards an exemption for certain third countries public bodies and central banks, the indicators of market manipulation, the disclosure thresholds, the competent authority for notifications of delays, the permission for trading during closed periods and types of notifiable managers' transactions (see page 1 of this Official Journal).

Further information

Griffin Mining Limited

Mladen Ninkov - Chairman                                                                          Telephone: +44(0)20 7629 7772

Roger Goodwin - Finance Director

Panmure Liberum Limited - Nominated Adviser & Joint Broker                      Telephone: +44 (0)20 7886 2500

James Sinclair-Ford

Zak Wadud

Berenberg - Joint Broker                                                                                  Telephone: +44(0)20 3207 7800

Matthew Armitt

Jennifer Lee

Griffin Mining Limited's shares are quoted on the Alternative Investment Market (AIM) of the London Stock Exchange (symbol GFM).

The Company's news releases are available on the Company's web site: www.griffinmining.com

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