Grant of Warrants

Grantee

No. of Warrants

Warrant exercise price (pence per share)

Employees (4)

(Total of) 1,600,000

0.340 p

Managing Director

Mr Richard Clemmey

3,000,000

0.340 p

Non-Executive Director

Mr Donald McAlister

1,500,000

0.340 p

Executive Chairman

Mr Patrick Cheetham

2,000,000

0.340 p

.1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name:

Donald McAlister

2.

Reason for the notification

a)

Position/status:

Non-Executive Director

b)

Initial notification/Amendment:

Initial notification

3.

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

a)

Name:

Tertiary Minerals plc

b)

LEI:

213800OT9C6DQN9VO543

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:

Warrants, each warrant to subscribe for one ordinary share of 0.01p each

 GB0008854563 (Ordinary Shares)

b)

Nature of the transaction:

Grant of warrants to subscribe for new ordinary shares

c)

Price(s) and volume(s):

d)

Aggregated information:

Aggregated volume:

Price:

Single transaction as in 4 c) above

e)

Date of the transaction:

27 February 2020

17:00 UTC

f)

Place of the transaction:

Outside a trading venue

1.

Details of the person discharging managerial responsibilities/person closely associated

a)

Name:

Judith Hayes

2.

Reason for the notification

a)

Position/status:

Administration Manager

b)

Initial notification/Amendment:

Initial notification

3.

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

a)

Name:

Tertiary Minerals plc

b)

LEI:

213800OT9C6DQN9VO543

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:

Warrants, each warrant to subscribe for one ordinary share of 0.01p each

 GB0008854563 (Ordinary Shares)

b)

Nature of the transaction:

Grant of warrants to subscribe for new ordinary shares

c)

Price(s) and volume(s):

d)

Aggregated information:

Aggregated volume:

Price:

Single transaction as in 4 c) above

e)

Date of the transaction:

27 February 2020

17:00 UTC

f)

Place of the transaction:

Outside a trading venue

1.

Details of the person discharging managerial responsibilities/person closely associated

a)

Name:

Sondra Pyrch

2.

Reason for the notification

a)

Position/status:

Company Accountant

b)

Initial notification/Amendment:

Initial notification

3.

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

a)

Name:

Tertiary Minerals plc

b)

LEI:

213800OT9C6DQN9VO543

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:

Warrants, each warrant to subscribe for one ordinary share of 0.01p each

 GB0008854563 (Ordinary Shares)

b)

Nature of the transaction:

Grant of warrants to subscribe for new ordinary shares

c)

Price(s) and volume(s):

d)

Aggregated information:

Aggregated volume:

Price:

Single transaction as in 4 c) above

e)

Date of the transaction:

27 February 2020

17:00 UTC

f)

Place of the transaction:

Outside a trading venue

1.

Details of the person discharging managerial responsibilities/person closely associated

a)

Name:

Jaelithe Talboom

2.

Reason for the notification

a)

Position/status:

Business Assistant

b)

Initial notification/Amendment:

Initial notification

3.

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

a)

Name:

Tertiary Minerals plc

b)

LEI:

213800OT9C6DQN9VO543

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:

Warrants, each warrant to subscribe for one ordinary share of 0.01p each

 GB0008854563 (Ordinary Shares)

b)

Nature of the transaction:

Grant of warrants to subscribe for new ordinary shares

c)

Price(s) and volume(s):

d)

Aggregated information:

Aggregated volume:

Price:

Single transaction as in 4 c) above

e)

Date of the transaction:

27 February 2020

17:00 UTC

f)

Place of the transaction:

Outside a trading venue

1.

Details of the person discharging managerial responsibilities/person closely associated

a)

Name:

Joel Cheetham

2.

Reason for the notification

a)

Position/status:

Data Analyst

b)

Initial notification/Amendment:

Initial notification

3.

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

a)

Name:

Tertiary Minerals plc

b)

LEI:

213800OT9C6DQN9VO543

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:

Warrants, each warrant to subscribe for one ordinary share of 0.01p each

 GB0008854563 (Ordinary Shares)

b)

Nature of the transaction:

Grant of warrants to subscribe for new ordinary shares

c)

Price(s) and volume(s):

d)

Aggregated information:

Aggregated volume:

Price:

Single transaction as in 4 c) above

e)

Date of the transaction:

27 February 2020

17:00 UTC

f)

Place of the transaction:

Outside a trading venue

1.

Details of the person discharging managerial responsibilities/person closely associated

a)

Name:

Richard Clemmey

2.

Reason for the notification

a)

Position/status:

Managing Director

b)

Initial notification/Amendment:

Initial notification

3.

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

a)

Name:

Tertiary Minerals plc

b)

LEI:

213800OT9C6DQN9VO543

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:

Warrants, each warrant to subscribe for one ordinary share of 0.01p each

 GB0008854563 (Ordinary Shares)

b)

Nature of the transaction:

Grant of warrants to subscribe for new ordinary shares

c)

Price(s) and volume(s):

d)

Aggregated information:

Aggregated volume:

Price:

Single transaction as in 4 c) above

e)

Date of the transaction:

27 February 2020

17:00 UTC

f)

Place of the transaction:

Outside a trading venue

1.

Details of the person discharging managerial responsibilities/person closely associated

a)

Name:

Patrick Cheetham

2.

Reason for the notification

a)

Position/status:

Executive Chairman

b)

Initial notification/Amendment:

Initial notification

3.

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

a)

Name:

Tertiary Minerals plc

b)

LEI:

213800OT9C6DQN9VO543

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:

Warrants, each warrant to subscribe for one ordinary share of 0.01p each

 GB0008854563 (Ordinary Shares)

b)

Nature of the transaction:

Grant of warrants to subscribe for new ordinary shares

c)

Price(s) and volume(s):

d)

Aggregated information:

Aggregated volume:

Price:

Single transaction as in 4 c) above

e)

Date of the transaction:

27 February 2020

17:00 UTC

f)

Place of the transaction:

Outside a trading venue

Tertiary Minerals plc

Richard Clemmey, Managing Director

Patrick Cheetham, Executive Chairman

Tel: +44 (0)1625 838 679

S P Angel Corporate Finance LLP

Nominated Adviser & Joint Broker

Richard Morrison/Caroline Rowe

Tel: +44 (0)203 470 0470

Peterhouse Capital Limited

Joint Broker

Lucy Williams/Duncan Vasey

Tel: +44 (0)207 469 0930