Smiths Group Regulatory News (SMIN)

NOTIFICATION OF MAJOR HOLDINGS

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

Smiths Group Plc

1b. Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)

Non-UK issuer

2. Reason for the notification (please mark the appropriate box or boxes with an "X")

An acquisition or disposal of voting rights

X

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Details of person subject to the notification obligation

Name

Ameriprise Financial, Inc. and its group

City and country of registered office (if applicable)

Minneapolis, USA

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

Name

American Enterprise Investment Services

BNP Paribas Nominees Pty Limited

Cede & Co

Chase Nominees Ltd

HSBC Global Custody Nominees (UK) Ltd

Nortrust Nominees LTD

Roy Nominees

State Street Nominees Limited

The Bank Of New York ( Nominees ) Limited

Vidacos Nominees Ltd

City and country of registered office (if applicable)

5. Date on which the threshold was crossed or reached:

25th October 2017

6. Date on which issuer notified (DD/MM/YYYY):

27th October 2017

7. Total positions of person(s) subject to the notification obligation

% of voting rights attached to shares (total of 8. A)

% of voting rights through financial instruments(total of 8.B 1 + 8.B 2)

Total of both in % (8.A + 8.B)

Total number of voting rights of issuer

Resulting situation on the date on which threshold was crossed or reached

19,722,137

0

19,722,137

395,663,914

Position of previous notification (if

applicable)

19,842,024

0

19,842,024

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

A: Voting rights attached to shares

Class/type ofshares

ISIN code (if possible)

Number of voting rights

% of voting rights

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive 2004/109/EC) (DTR5.2.1)

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive 2004/109/EC) (DTR5.2.1)

GB00B1WY2338

152,327

19,560,525

0.038%

4.945%

US83238P2039

9,285

0.002%

SUBTOTAL 8. A

19,722,137

4.985%

B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))

Type of financial instrument

Expirationdate

Exercise/Conversion Period

Number of voting rights that may be acquired if the instrument is

exercised/converted.

% of voting rights

SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))

SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the

applicable box with an "X")

Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer

Full chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held starting with the ultimate controlling natural person or legal entity (please add additional rows as necessary)

X

Name

% of voting rights if it equals or is higher than the notifiable threshold

% of voting rights through financial instruments if it equals or is higher than the notifiable threshold

Total of both if it equals or is higher than the notifiable threshold

Ameriprise Financial, Inc.

%

%

%

Ameriprise International Holdings GmbH

%

%

%

Threadneedle Asset Management Holdings SARL

%

%

%

Threadneedle Holdings Limited

%

%

%

TAM UK Holdings Limited

%

%

%

Threadneedle Asset Management Holdings Limited

%

%

%

TC Financing Limited

%

%

%

Threadneedle Asset Management Limited

%

%

%

Ameriprise Financial, Inc.

%

%

%

Columbia Management Investment Advisers, LLC

%

%

%

Ameriprise Financial, Inc.

%

%

%

AMPF

Holding Corporation

%

%

%

Ameriprise Financial Services, Inc.

%

%

%

10. In case of proxy voting, please identify:

Name of the proxy holder

N/A

The number and % of voting rights held

N/A

The date until which the voting rights will be held

N/A

11. Additional information

Threadneedle Asset Management Limited is wholly owned by TC Financing Limited, which is itself wholly owned by Threadneedle Asset Management Holdings Limited, which is itself wholly owned by TAM UK Holdings Limited, which is itself wholly owned by Threadneedle Holdings Limited, which is itself wholly owned by Threadneedle Asset Management Holdings SARL, which is itself wholly owned by Ameriprise International Holdings GmbH, which is itself wholly owned by Ameriprise Financial, Inc.

Columbia Management Investment Advisers, LLC, is wholly owned by Ameriprise Financial, Inc.

Ameriprise Financial Services, Inc. is wholly owned by AMPF Holding Corporation, which is itself wholly owned by Ameriprise Financial, Inc.

Place of completion

Swindon, UK

Date of completion

27/10/2017