Holding(s) in Company

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

SPIRAX-SARCO ENGINEERING 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 the notification obligation: iii

Fiera Capital Corporation

4. Full name of shareholder(s)

(if different from 3.):iv

PORTFOLIO HOLDINGS

BNPP IP BELGIUM - G.A. 28,238

OIL INVESTMENT CORP OICL 113,772

193 NBC EUROPEAN EQUITY 9,662

CR BNC FONDS PRINCIPAL US 90,692

COAST CONSERVATION 3,566

FONDS FIERA ACTIONS 54,269

FIERA INTERNATIONAL 215,478

837 FDS DIV EQUILIBRE INTL 22,421

867 ACTIONS MONDIALES 184,638

838 FDS DIV. CROISSANCE 13,472

FONDS ACTIONS 8,182

FONDS DE PLACEMENT DU 13,454

DUFF & PHELPS 11,303

FIERA CAP GLOBAL EQUITY 46,197

LEGACY PRIVATE TRUST 2,830

FONDS FIERA ACTIONS 129,802

CHICAGO LABORERS' AND 16,421

MICROSOFT RUSSELL 92,820

RUSSELL INVESTMENT 142,529

RIC IV PLC RUSSELL ALPHA 4,143

RIL STICHTING 54,223

RIL ALGEMEEN 6,324

RIC V RUSSELL GSEO FUND 13,656

RIM NATIONAL PENSION 16,263

RUSSELL WORLD EQUITY 18,631

RUSSELL (RCCF AND RIC) - 173,790

HUNTINGTON INGALLS 54,135

FIERA GLOBAL EQUITY FUND 558,358

FONDS FIERA SCEPTRE 67,999

FIERA CAPITAL 4,079

TENNESSEE CONSOLIDATED 344,516

PUBLIC EMPLOYEE 100,639

AON HEWITT CIT - FIERA 46,451

MARSHFIELD CLINIC SALARY 22,776

CAISSE DE RETRAITE 112,719

FIDUCIE GLOBALE DU R.B.A. 10,000

LONDON LIFE BALANCED 6,729

CAISSE PRIVE 110,601

GOLDMAN SACHS NON-US 60,900

GOLDMAN SACHS NON-US 11,607

GOLDMAN SACHS NON-US 27,909

FIERA GLOBAL EQUITY FUND 48,351

INTERNATIONAL EQUITY 121,089

GLOBAL EQUITY LONG-ONLY 201,077

FIERA ASSET MANAGEMENT 280,465

LORTRON HOLDING 8,100

GB DEFENSIVE 6,062

TOTAL 3,691,338

5. Date of the transaction and date on

which the threshold is crossed or reached: v

June 23, 2017

6. Date on which issuer notified:

June 29, 2017

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

Crossed above 5%

  8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of

shares

if possible using the ISIN CODE

Situation previous

to the triggering transaction

Resulting situation after the triggering transaction

Number

of

Shares

Number

of Voting Rights

Number

of shares

Number of voting

rights

% of voting rights x

Direct

xi

Direct

xii

Indirect

Direct

Indirect

Ordinary shares

GB00BWFGQN14

2,969,397

3,691,338

5.02%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial

instrument

Expiration date xiii

Exercise/

Conversion Period xiv

Number of voting

rights that may be acquired if the instrument is exercised/ converted.

% of voting

rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

xv, xvi

Resulting situation after the triggering transaction

Type of financial

instrument

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

3,691,338

5.02%

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will cease to hold:

N/A

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

N/A

13. Additional information:

N/A

14. Contact name:

Rebecca McLeod

Vice President, Legal and Corporate Affairs

Fiera Capital Corporation

15. Contact telephone number:

514.954.6473 (Canada)

rmcleod@fieracapital.com