Holding(s) in Company

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)i

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

IP Group PLC

Sedol B128J45

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

X

Other (please specify)iii:

3. Details of person subject to the notification obligationiv

Name

1Lansdowne Partners International Limited

2Lansdowne Partners Limited

3Lansdowne Partners (UK) LLP

4Lansdowne Developed Markets Master Fund Limited

City and country of registered office (if applicable)

London, United Kingdom

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

Name

HSBC Client Holdings Nominee (UK) Limited

(Registered Shareholder)

City and country of registered office (if applicable)

n/a

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

27/10/2017

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

31/10/2017

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 issuervii

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

11.93%

11.93%

1,044,734,102

Position of previous notification (if

applicable)

11.46%

11.46%

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 ofshares

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)

GB00B128J450

124,649,887

11.93%

SUBTOTAL 8. A

124,649,887

11.93%

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

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 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))

Type of financial instrument

Expirationdatex

Exercise/Conversion Period xi

Physical or cash

settlementxii

Number 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

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 (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 instruments if it equals or is higher than the notifiable threshold

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

Lansdowne Partners

International Limited

11.93%

11.93%

Lansdowne Partners

Limited

Lansdowne Partners (UK) LLP

11.93%

11.93%

Lansdowne Developed Markets Master Fund Limited

10.21%

10.21%

10. In case of proxy voting, please identify:

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

11. Additional informationxvi

This disclosure is being made further to the listing of new shares in IP Group Plc relating to the takeover of Touchstone Innovations Group Plc and the subsequent crossing of the 10% threshold by the Lansdowne developed Markets Master Fund Limited, a client fund of Lansdowne Partners (UK) LLP.

Place of completion

London

Date of completion

31 October 2017