Griffin Mining Regulatory News (GFM)

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

Adam Usdan

2

Reason for the notification

a)

Position/status

Director

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

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

b)

Nature of the transaction

Purchase of ordinary shares by Trellus Co. LLC in which Mr Adam Usdan has an interest.

c)

Price(s) and volume(s)

d)

Aggregated information- Aggregated volume- Price

40,000 ordinary shares in Griffin Mining Limited at 104.25p each.

e)

Date of the transaction

5th September 2018

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).

Griffin Mining Limited

+44 (0)20 7629 7772

Mladen Ninkov (Chairman)

Roger Goodwin (Finance Director & Company Secretary)

Panmure Gordon (UK) Limited

Dominic Morley

+44 (0)20 7886 2500