For filings with the FCA include the annex

For filings with issuer ex clude the annex

TR -1: NOT I F IC A T ION OF M AJOR I NTEREST IN SH A RES i

1 . Identity of the issuer or the underl ying i ssuer of existing shar es to whi ch voting rights are att ached: ii		SPIRAX-SARCO ENGINEERING PLC
2. Re a son for the notification (plea se tick t he a p propri a te b ox or b o x es):
An acq uisition or disposal of v oting rig hts			X
An acq uisition or disposal of q uali f ying fin anci al instru ments w hich m ay result in t he acq uisition of s hares a lready issu ed to w hich v oting ri g hts are att ach ed
An acq uisition or disposal of in struments with simil ar eco no mic effect to q uali f ying fin ancial instruments
An e v ent c h a n ging the breakd o wn of v oting rig hts
Other ( ple ase s peci f y):
3 . Full n ame of per s on( s) subj ect to the notification obligation: iii	Fiera Capital Cor porati on
4 . Full n ame of s h areholder(s) (if differe nt from 3.): iv	PORTFO L IO HOLDI N GS Lo rtr on H olding Corp .-Gl o bal 5,1 0 0.00 BN PP IP BELGIUM - G.A. 35 ,9 88.00 OIL INVES T MENT CORP OICL 97 ,5 56.00 CR BNC FON DS PRINCIPAL US 90 ,6 92.00 COAST CONSERVATION 3,2 3 1.00 FON DS FIERA ACTIONS 50 ,1 69.00 FIERA INTERNATION AL 2 3 6 , 0 7 8.00 8 3 7 FDS DIV EQUILIBRE IN TL 16 ,9 16.00 8 6 7 ACTIONS MON DIA LES 2 8 0 , 7 3 8.00 8 3 8 FDS DIV. CROISSANCE 9,5 7 2.00 FON DS ACTIONS 8,7 8 2.00 FON DS DE PLAC E MENT DU 12 ,0 54.00 D UFF & P H E LPS 24 ,6 25.00 FON DS DESJARDINS ACTI O NS 2 0 4 , 3 3 5.00 FIERA CAP GLOBAL EQUITY 59 ,9 65.00 FON DS FIERA ACTIONS 1 2 9 , 8 0 2.00 CHICAGO LABORERS' AND 11 ,0 71.00 M ICROSOFT RUSS E LL 96 ,6 81.00 RUSSELL INVESTMENT 1 1 0 , 6 2 9.00 RIC IV P LC RUSSELL AL P HA 3,4 0 3.00 RIL STICHTING 52 ,1 23.00 RIL ALGEMEEN 6,3 2 4.00 RIC V RUSS E LL GSEO FU ND 13 ,6 56.00 RIM NATION AL PENSION 26 ,5 13.00 RUSSELL W ORLD EQUITY 12 ,0 31.00 RUSSELL (RCCF A ND RIC) - 1 6 2 , 4 6 6.00 RUSSELL INVESTMENTS RIC 28 ,8 61.00 J .C. PENNEY COR PORATI ON 23 ,0 77.00 RIC II P LC RUSSELL 61 ,7 40.00 RIC P LC RUSS E LL 29 ,3 02.00 STATE OF I DAHO 22 ,0 14.00 N EW YORK CITY EM PL OYEES 49 ,3 65.00 THE TEACH ERS RETIRE MENT 49 ,3 64.00 THE NEW YORK CITY FIRE 19 ,7 26.00 N EW YORK CITY BOARD OF 9,9 1 3.00 H UNTINGTON INGA L LS 54 ,1 35.00 FIERA GL OBAL EQUITY FU ND 6 5 4 , 3 6 4.00 FON DS FIERA SCE P TRE 58 ,9 99.00 FIERA CAPITAL FON DS 20 ,2 02.00 FIERA CAPITAL 7,7 5 6.00 TENNESSEE CONSO LIDATED 2 8 5 , 9 9 6.00 P UBLIC E M P LOYEE 1 0 0 , 6 3 9.00 AON HEWITT CIT - FIERA 50 ,8 51.00 AON HEWITT GROUP TRUST 80 ,8 58.00 M ARSHFIELD CLINIC SA LARY 24 ,5 00.00 CAISSE DE RETRAITE 1 5 9 , 2 1 9.00 FI DUCIE G LOBA LE DU R.B.A. 10 ,0 00.00 L ON DON LIFE BA LANCED 6,7 2 9.00 CAISSE PRIVE 142,065.00 GOLDMAN SACHS NON-US 54,500.00 GOLDMAN SACHS NON-US 27,309.00 FIERA GLOBAL EQUITY FUND 120,001.00 INTERNATIONAL EQUITY 132,296.00 GLOBAL EQUITY LONG-ONLY 250,104.00 FIERA ASSET MANAGEMENT 254,165.00 FIERA CAPITAL GLOBAL 11,063.00 FIERA CAPITAL 31,917.00 TOTAL 4,591,530.00
5 . Date of the tra n sa ction and date on w hi ch the threshold is cros sed or reac h ed: v	July 31, 2 0 18
6 . Date on w hich i ss u er notified:	Cr ossed a bo ve 6%
7 . Threshold(s) th at i s/are cros sed or reac h ed: v i , vii

8. Notified details:

A : Voting rights att ached to shar es v iii, ix

Clas s/t ype of

shar es

i f po ss ible u sing the I SIN CO DE

S ituation previous

t o the t riggering t ransac tion

Resulting si tuation after the triggering transac tion

Number

S hares

Number

of V oting Rights

Number

of shar es

Number of voting

r ights

% of voting rights x

Direct

x i i

Indirect

Direct

Indirect

Or dina ry sha res

G B 00 B WFGQN14

3,691,338

4,5 91,5 30

6.24%

B: Qualif ying Financial Instruments
Resulting si tuation after the triggering transac tion
T y pe of financial inst rument	E xpiration date x i ii	E xe rcise/ Conversion Period x i v	Number of voting r ights that m ay be acquired if the inst rument is exercised/ con ver ted.	% of voting r ights

C: Financial Instruments with similar economic eff ect to Qu alif ying Financ i al Instrum ents

xv , x vi

Resulting si tuation after the triggering transac tion

T y pe of financial

inst rument

E xe rcise

price

E xpiration date x vii

E xe rcise/

Conversion period x viii

Number of voting rights

inst rument refers to

% of voting rights x i x ,

Nominal

Delta

Tot al ( A +B+ C)

Number of voting rights

P ercentage of voting righ ts

4,5 91,5 30

6.24%

9 . Chain of controll ed undertakings throu gh whi ch the voting rights and/or the financial instruments are eff ectiv e ly held, if applicabl e: x x i

Fiera Capital Cor porati on, a d uly register portfolio mana g er r e gistered in all t he provinces a nd territori es of Ca n a da, acts as in v estment ad viser and has in v estm ent discr etion a n d/or c on trol for all the s hare holders list ed in box 4 a bo v e.

Proxy Voting:

10 . Name of the proxy holder:

N/A

11 . Numb er of v oting rights proxy holder will c ea se to hold:

N/A

12 . Date on which proxy holder will c e ase to hold voting rights:

N/A

13 . Additional inform ation:

N/A

14 . Contact name:

Rebecca McLe od

Vice Presid ent, Le g al and C orporate Affairs

Fiera Capital Cor porati on

15 . Contact t e l ephone numbe r:

514 . 95 4 . 6 4 7 3 (Ca na da)

r m cle o d@ f iera c ap it a l. c o m