Notification of Major Interest in Shares

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

SMART METERING SYSTEMS PLC

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

An acquisition or disposal of voting rights

Yes

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

Abdiel Capital Management, LLC

Abdiel Capital Advisors, LP

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

Abdiel Qualified Master Fund, LP holds 3,228,632 of the shares in Smart Metering Systems PLC.

Abdiel Capital, LP holds 198,487 of the shares in Smart Metering Systems PLC.

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

23rd February 2015

6. Date on which issuer notified:

25th February 2015

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

4%

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

GB00B4X1RC86

2,513,536

3,427,119

4.01%

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

3,427,119

4.01%

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

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:

Abdiel Capital Advisors, LP acts as an investment manager for Abdiel Qualified Master Fund, LP and Abdiel Capital, LP. Abdiel Capital Management, LLC is the general partner of Abdiel Qualified Master Fund, LP and Abdiel Capital, LP.

Abdiel Qualified Master Fund, LP beneficially holds 3,228,632 of the shares in Smart Metering Systems PLC described above.

Abdiel Capital, LP beneficially holds 198,487 of the shares in Smart Metering Systems PLC described above.

In each case, these shares are held by J.P. Morgan Clearing Corp as custodian and nominee.

14. Contact name:

Peter Snedeker

15. Contact telephone number:

+001 646 496 9203