Holding(s) in Company

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

ANDES ENERGIA 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

Corporate Action

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

MICHAEL WINSTON STEVENS

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

ADM INVESTOR SERVICES INTERNATIONAL LIMITED and BARCLAYS BANK, as nominees for COMMTEL HOLDINGS CORP

COMMTEL BUSINESS INTERNATIONAL CORP

EFG BANK as nominee for MICHAEL WINSTON STEVENS (2,590,000 Ordinary Shares)

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

Thursday, 3 NOVEMBER 2016

6. Date on which issuer notified:

Monday, 7 NOVEMBER 2016

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

9%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

ORDINARY

23,854,988

4.63%

48,854,988

2,590,000

46,264,988

0.5%

8.98%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

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

Resulting situation after the triggering transaction

Type of financialinstrument

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

48,854,988

9.48%

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

COMMTEL HOLDINGS CORP (10,051,788 Ordinary Shares held by ADM Investor Services International Limited as nominee, and 11,213,200 Ordinary Shares held by Barclays Bank as nominee)

COMMTEL BUSINESS INTERNATIONAL CORP, a subsidiary of COMMTEL HOLDINGS CORP (25,000,000 Ordinary Shares)

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will ceaseto hold:

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

13. Additional information:

14. Contact name:

Philip Speer, Thomson Webb & Corfield LLP

[email protected]

15. Contact telephone number:

01223 578 086