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

Intertek Group 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 thenotification obligation: iii

Fiera Capital Corporation

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

PORTFOLIO HOLDINGS

BNPP IP BELGIUM - G.A. FUND 62 391

OIL INVESTMENT CORP OICL 272 778

193 NBC EUROPEAN EQUITY FUND 21 126

CR BNC FONDS PRINCIPAL US 218 364

COAST CONSERVATION ENDOW 7 793

FONDS FIERA ACTIONS 126 129

FIERA INTERNATIONAL EQUITY 355 828

837 FDS DIV EQUILIBRE INTL 46 988

867 ACTIONS MONDIALES BNC 377 376

838 FDS DIV. CROISSANCE BNC 24 307

FONDS ACTIONS 22 306

FONDS DE PLACEMENT DU 22 625

DUFF & PHELPS (LUXEMBOURG) 14 761

FIERA CAP GLOBAL EQUITY FUND 107 050

LEGACY PRIVATE TRUST (TRUST 6 250

FONDS FIERA ACTIONS 232 224

CHICAGO LABORERS' AND 36 281

MICROSOFT RUSSELL 153 683

RUSSELL INVESTMENT 239 654

RIC IV PLC RUSSELL ALPHA 9 772

RIL STICHTING 113 007

RIL ALGEMEEN PENSIOENFONDS 13 834

RIC V RUSSELL GSEO FUND 30 817

RUSSELL WORLD EQUITY FUND 48 885

RUSSELL (RCCF AND RIC) - 427 526

HUNTINGTON INGALLS 117 722

FIERA GLOBAL EQUITY FUND 1 165 085

FONDS FIERA SCEPTRE 144 746

FIERA CAPITAL INTERNATIONAL 5 864

TENNESSEE CONSOLIDATED 561 579

PUBLIC EMPLOYEE RETIREMENT 214 744

AON HEWITT CIT - FIERA 79 048

MARSHFIELD CLINIC SALARY 60 740

CAISSE DE RETRAITE 186 266

FIDUCIE GLOBALE DU R.B.A. 25 362

LONDON LIFE BALANCED FUND 15 578

CAISSE PRIVE 169 519

GOLDMAN SACHS NON-US EQUITY 96 351

GOLDMAN SACHS NON-US EQUITY 21 247

GOLDMAN SACHS NON-US EQUITY 49 236 FIERA GLOBAL EQUITY FUND - 97 361

INTERNATIONAL EQUITY 160 706

GLOBAL EQUITY LONG-ONLY 399 259

FIERA ASSET MANAGEMENT USA 476 248

LORTRON HOLDING CORPORATION 22 600

GB DEFENSIVE 12 761

________________________________________________

Total 7 107 884

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

May 22, 2017

6. Date on which issuer notified:

May 26, 2017

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

Crossed 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

GB0031638363

5,005,432

7,107,884

4.40%

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

7,107,884

4.40%

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

Fiera Capital Corporation, a duly registered portfolio manager registered in all the provinces and territories of Canada, acts as investment adviser and has investment discretion and/or control for all the shareholders listed in box 4. above.

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:

Rebecca McLeod, Vice President, Legal and Corporate Affairs

Fiera Capital Corporation

15. Contact telephone number:

514.954.6473 (Canada)

[email protected]