Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

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

ServicePower Technologies PLC

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

An acquisition or disposal of voting rights

P

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

P

Other (please specify):

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

Herald Investment Management Limited

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

Discretionary investment management clients of Herald Investment Management Limited

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

On admission of new ordinary shares to trading on AIM expected 3rd July 2015

6. Date on which issuer notified:

2nd July 2015

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

16%, 17%, 18%, 19%, 20%, 21% and 22%

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

Indirect

Direct xi

Indirect xii

Direct

Indirect

GB0003831095

30,157,532

30,157,532

52,181,945

52,181,945

22.93%

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

None

Nil

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

None

Nominal

Delta

Nil

Total (A+B+C)

Number of voting rights

Percentage of voting rights

52,181,945

22.93%

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

N/A

Proxy Voting:

10. Name of the proxy holder:

N/A

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

N/A

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

N/A

13. Additional information:

14. Contact name:

Andrew Miller CFO

15. Contact telephone number:

020 7553 6308

Note: Annex should only be submitted to the FCA not the issuer

Annex: Notification of major interests in sharesxxii

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

Full name

(including legal form of legal entities)

Herald Investment Management Limited

Contact address

(registered office for legal entities)

10/11 Charterhouse Square

London EC1M 6EE

Phone number & email

020 7553 6308

Other useful information

(at least legal representative for legal persons)

Andrew Miller CFO

B: Identity of the notifier, if applicable

Full name

See above

Contact address

Phone number & email

Other useful information

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

C: Additional information

We have used the figure of 227,560,827 ordinary shares disclosed to the market via RNS on 30th June 2015 which will be the total voting rights following the admission to AIM of 27,530,503 new ordinary shares on 3rd July 2015.

For notes on how to complete form TR-1 please see the FCA website.