Nostrum Oil & Gas: TR-1: notification of major interest in shares

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESⁱ

1. Identity of the issuer or the underlying issuer
of existing shares to which voting rights are
attached: ⁱⁱ

Nostrum Oil & Gas Plc

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify): Following the delisting of the GDRs and the admission to trading of the ordinary shares on The London Stock Exchange on 20^th June 2014.

X

3. Full name of person(s) subject to the
notification obligation: ⁱⁱⁱ

M&G Investment Funds (3)

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

State Street Noms Ltd A/C GMIQ

State Street Noms Ltd A/C GMIN

5. Date of the transaction and date on
which the threshold is crossed or
reached: ^v

20 June 2014

6. Date on which issuer notified:

24 June 2014

7. Threshold(s) that is/are crossed or
reached: ^{vi, vii}

See item 13

8. Notified details:

A: Voting rights attached to shares ^{viii, ix}

Class/type of
shares

if possible using
the ISIN CODE

Situation previous
to the triggering
transaction

Resulting situation after the triggering transaction

Number
of
Shares

Number
of
Voting
Rights

Number
of shares

Number of voting
rights

% of  voting rights ^x

Direct

Direct ^xi

Indirect ^xii

Direct

Indirect

GB00BGP6Q951

17,462,450

17,462,450

17,462,450

17,462,450

0

9.27%

0

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial
instrument

Expiration
date ^xiii

Exercise/
Conversion Period ^xiv

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

% of voting
rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments ^{xv, xvi}

Resulting situation after the triggering transaction

Type of financial
instrument

Exercise price

Expiration date ^xvii

Exercise/
Conversion period ^xviii

Number of voting rights instrument refers to

% of voting rights ^{xix, xx}

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

17,462,450

9.27%

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable: ^xxi

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will cease
to hold:

N/A

12. Date on which proxy holder will cease to hold
voting rights:

N/A

13. Additional information:

With reference to item 3, M&G Investments Funds (3) is an Open Ended Investment Company (OEIC) and is not a Prudential group company and must be separately disclosed.

This OEIC Fund is managed by M&G Investment Management Limited (a wholly owned subsidiary of Prudential plc) and will have been previously attributed to Prudential plc solely on the basis that M&G Investment Management Ltd has direct fund management control over the shares identified in this notification.

Therefore the 9.27% holding being disclosed in this notification is encompassed in the 9.48% being disclosed under The Prudential plc group of companies and is NOT in addition to it.

14. Contact name:

James Todd / Poonam Stammers

M&G Investment Management Limited

15. Contact telephone number:

020 7548 3489 / 020 3480 6135