Notification of Major Holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are at- tached:

Petra Diamonds Limited

1b. Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)

Non-UK issuer

X

2. Reason for the notification (please mark the appropriate box or boxes with an "X")

An acquisition or disposal of voting rights

X

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Details of person subject to the notification obligation

Name

Cobas Asset Management, SGIIC, S.A. with dele- gated voting rights on behalf of multiple managed

portfolios.

City and country of registered office (if applicable)

Madrid, Spain

4. Full name of shareholder(s) (if different from 3.)

Name

City and country of registered office (if applicable)

5. Date on which the threshold was crossed or reached:

05/06/2018

6. Date on which issuer notified (DD/MM/YYYY):

08/06/2018

7. Total positions of person(s) subject to the notification obligation

% of voting rights at- tached to shares (to- tal of 8. A)

% of voting rights through financial instru- ments

(total of 8.B 1 + 8.B 2)

Total of both in % (8.A + 8.B)

Total number of voting rights of is- suer

Resulting situation on the date on which

threshold was crossed or reached

4.98

0.00

4.98

532,514,760

Position of previous notification (if applicable)

5.02

5.02

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

A: Voting rights attached to shares

Class/type of shares

ISIN code (if possible)

Number of voting rights

% of voting rights

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive

2004/109/EC) (DTR5.2.1)

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive

2004/109/EC) (DTR5.2.1)

BMG702781094

26,528,213

4.98

SUBTOTAL 8. A

26,528,213

4.98

B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))

Type of financial in- strument

Expiration date

Exercise/ Conversion Period

Number of voting rights that may be acquired if the instrument is exercised/converted.

% of voting rights

SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))

Type of financial instrument

Expiration date

Exercise/ Conversion Pe-

riod

Physical or cash

settlement

Number of voting rights

% of voting rights

SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")

Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer

Full chain of controlled undertakings through which the voting rights and/or the

financial instruments are effectively held starting with the ultimate controlling natural person or legal entity (please add additional rows as necessary)

X

Name

% of voting rights if it equals or is higher than the notifiable threshold

% of voting rights through financial in- struments if it equals

or is higher than the notifiable threshold

Total of both if it equals or is higher than the notifiable threshold

Cobas Asset Manage-

ment, SGIIC, S.A.

4.98

0.00

4.98

10. In case of proxy voting, please identify:

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

11. Additional information

In reference to section 9, the shares detailed are managed by the named investment management entity within multiples portfolios on behalf of underlying clients, based on investment managements agreements whereby the client has delegated the exercise of voting rights to the investment manager.

Place of completion

Madrid, Spain

Date of completion

08/06/2018