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

STERLING ENERGY PLC

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

An acquisition or disposal of voting rights

X

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):

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

SPROTT ASSET MANAGEMENT

4. Full name of shareholder(s)

(if different from 3.):iv

SPROTT ASSET MANAGEMENT

5. Date of the transaction and date on which the threshold is crossed or

DECEMBER 9, 2015

reached: v

6. Date on which issuer notified:

DECEMBER 16, 2015

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

5% (FIVE PERCENT), 4% (FOUR PERCENT) 3% (THREE

PERCENT)

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

COMMON

11,021,588

11,021,588

6,871,638

6,871,638

0

3.123%

0

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration datexiii

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 datexvii

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

Proxy Voting:

10. Name of the proxy holder:

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

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

13. Additional information:

14. Contact name:

GRETCHEN CARTER

15. Contact telephone number:

760-444-5254

A: Identity of the persons or legal entity subject to the notification obligation

Full name

(including legal form of legal entities)

Contact address

(registered office for legal entities)

Phone number & email

Other useful information

(at least legal representative for legal persons)

B: Identity of the notifier, if applicable

Full name

Contact address

Phone number & email

Other useful information

(e.g. functional relationship with the person or legal entity subject to the notification obligation)