Holding(s) in Company

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the Central Bank of Ireland)i

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attachedii: Kingspan Group Plc

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

[x] An acquisition or disposal of voting rights

[ ] An acquisition or disposal of financial instruments

[ ] An event changing the breakdown of voting rights

[ ] Other (please specify)iii:

3. Details of person subject to the notification obligationiv :

Name: Ameriprise Financial, Inc

City and country of registered office (if applicable):

Minneapolis, USA

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

Bank Lombard Odier & Co Ltd

BAY1 ESG

BNP Paribas Nominees Pty Limited

BNY (OCS) Nominees Ltd

Chase Nominees Ltd

HSBC Global Custody Nominees (UK) Ltd

Nortrust Nominees LTD

Securities Services Nominees Limited

State Street Bank & Trust Boston

State Street Nominees Limited

Vidacos Nominees Ltd

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

28/09/2018

6. Date on which issuer notified:

02/10/2018

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

Below: 5.00%

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

% of voting rights attached to shares (total of 9.A)

% of voting rights through financial instruments(total of 9.B.1 + 9.B.2)

Total of both in % (9.A + 9.B)

Total number of voting rights of issuervii

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

4.984%

0%

4.984%

180,144,757

Position of previous notification (if applicable)

5.993%

0.%

5.993%

9. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii:

A: Voting rights attached to shares

Class/type ofshares

ISIN code (if possible)

Number of voting rightsix

% of voting rights

Direct

Indirect

Direct

Indirect

IE0004927939

8,979,739

4.984%

SUBTOTAL A

8,979,739

4.984%

B 1: Financial Instruments according to Regulation 17(1)(a) of the Regulations

Type of financial instrument

Expirationdatex

Exercise/Conversion Periodxi

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

% of voting rights

SUBTOTAL B.1

B 2: Financial Instruments with similar economic effect according to Regulation 17(1)(b) of the Regulations

Type of financial instrument

Expirationdatex

Exercise/Conversion Period xi

Physical or cash settlementxii

Number of voting rights

% of voting rights

SUBTOTAL B.2

10. Information in relation to the person subject to the notification obligation (please tick the applicable box):

[ ] 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.xiii

[X ] 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 entityxiv:

Namexv

% 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 Sàrl

Threadneedle Holdings Limited

TAM UK Holdings Limited

Threadneedle Asset Management Holdings Limited

TC Financing Limited

Threadneedle Asset Management Limited

4.794%

4.794%

Ameriprise Financial, Inc.

Columbia Management Investment Advisers LLC

Ameriprise Financial, Inc.

AMPF

Holding Corporation

Ameriprise Financial Services, Inc.

11. In case of proxy voting: [name of the proxy holder] will cease to hold [% and number] voting rights as of [date]

12. Additional informationxvi:

The chain of control set out in Section 10 of this form represent the controlled entities within the Ameriprise Financial, Inc. group.

For clarity:

· the entities within the chain of control of which Threadneedle Asset Management Limited is the ultimate subsidiary hold 4.793% of the voting rights in the issuer.

· the entities within the chain of control of which Columbia Management Investment Advisers, LLC is the ultimate subsidiary hold 0.186% of the voting rights in the issuer.

· the entities within the chain of control of which Ameriprise Financial Services, Inc is the ultimate subsidiary hold 0.005% of the voting rights in the issuer.