Holding(s) in Company

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

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

An acquisition or disposal of voting rights

Porta Communications Plc

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 thenotification obligation: iii

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

Increase in issued share capital by issuer

X

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

Morton PTC Limited as Trustee of the Morton Family Trust (MFT), Hawk Investment Holdings Limited (HIHL)Retro Grand Limited (RGL), Seraffina Holdings Limited (SHL), Groundlinks Limited (GL) and Hawk Pension Fund Limited (HPFL).

6. Date on which issuer notified:

Hawk Investment Holdings Limited

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

14 June 2017

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

GB00B71C7K21

86,534,037

86,534,037

60,157,648

(HIHL)

18,326,389

(RGL)

450,000

(SHL)

6,750,000

(GL)

850,000

(HPFL)

60,157,648

(HIHL)

18,326,389

(RGL)

450,000

(SHL)

6,750,000

(GL)

850,000

(HPFL)

17.86

5.44

0.13

2.00

0.25

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

86,534,037

25.69%

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

HIHL holds 60,157,648 Porta Communications shares representing 17.86% of the voting rights. HIHL is owned by Morton PTC Limited as Trustee of the MFT. The Board of Directors of the Morton PTC are Albany Directors Limited, Mr Anthony David Holt, Mr Robert Walter Morton and Mrs Susan Margaret Howard Morton. The adult beneficiaries of the Morton Family Trust are Susan Margaret Howard Morton, Andrew Robert Morton, Edward George Morton, Charles Nicholas Morton and Robert Walter Morton.

RGL holds 18,326,389 shares representing 5.44% of the voting rights. The ultimate beneficiary of RGL is Edward George Morton.

SHL holds 450,000 shares representing 0.13% of the voting rights. The ultimate beneficiary of SHL is Charles Nicholas Morton.

GL holds 6,750,000 shares representing 2.00% of the voting rights. The ultimate beneficiary of GL is Andrew Robert Morton.

HPFL holds 850,000 shares representing 0.25% of the voting rights. The ultimate beneficiary of HPFL is Susan Margaret Howard Morton.

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:

Albany Trustee Company Limited

14. Contact name:

Emma McIntosh

15. Contact telephone number:

01481 724136