IDE : Notification of Major Shareholdings

TR-1: Standard form for notification of major holdings

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are at-IDE Group Holdings PLCtachedii:

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

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

City and country of registered office (if applicable)

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

NameCity and country of registered office (if applicable)

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

6. Date on which issuer notified:

21 August 2018

Kestrel Partners LLP

LONDON, UK

Kestrel Opportunities, a cell of Guernsey Portfolios PCC Ltd (through BNY Mellon Nominees Limited) and various other clients of Kestrel Partners LLP (through JIM Nomi-nees Ltd and Bank of New York Nominees Ltd)

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

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

Position of previous notification (if applicable)

% of voting rights at-tached to shares (to-tal of 8. A)

9.11%

16.36%

% of voting rights through financial instru-ments

(total of 8.B 1 + 8.B 2)Total of both in %

(8.A + 8.B)

9.11%

Total number of voting rights of is-suervii

400,802,032

1

8. 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 of shares ISIN code (if possible)	Number of voting rightsix		% 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)
Ordinary Shares of 2.5p each ISIN GB00B4NJ4984	N/A	36,497,252	N/A	9.11%
SUBTOTAL 8. A	36,497,252		9.11%

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

Type of financial in-strumentExpiration datexExercise/ Conversion Periodxi

Number of voting rights

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

% of voting rights

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

Type of financial instrumentExpiration datexSUBTOTAL 8. B 1

Exercise/ Conversion Pe-riodxi

Physical or cash settlementxiiNumber of voting rights

% of voting rights

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) issuerxiii
Fullchain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv(please add additional rows as necessary)				X
Namexv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial in-struments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
BNY Mellon Nominees Limited	7.04%	7.04%
JIM Nominees Limited	1.01%	1.01%
Bank of New York Nomi-nees Ltd	1.06%	1.06%

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 informationxvi

The indirect voting rights held under (9) relate to shares held in client portfolios managed by Kestrel Part-ners LLP under discretionary investment management agreements

Place of completion	London
Date of completion	21/08/18