Holding(s) in Company

For filings with the FCA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

Liontrust Asset Management plc

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

An acquisition or disposal of voting rights

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

ü

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to thenotification obligation: iii

Polygon Global Partners LLP

Reade Eugene Griffith

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

N/A

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

15.04.15

6. Date on which issuer notified:

17.04.15

7. Threshold(s) that is/are crossed orreached: vi, vii

10%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date xvii

Exercise/Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Contract for difference relating to ordinary shares

(GB0007388407)

4,568,799

Nominal

Delta

10.048%

Total (A+B+C)

Number of voting rights

Percentage of voting rights

4,568,799

10.048%

9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxi

Reade Griffith holds a majority of the voting rights in Polygon Global Partners LLP. Consequently, Polygon Global Partners LLP is a "controlled undertaking" in relation to Mr. Griffith.

Proxy Voting:

10. Name of the proxy holder:

N/a

11. Number of voting rights proxy holder will ceaseto hold:

N/a

12. Date on which proxy holder will cease to holdvoting rights:

N/a

13. Additional information:

The positions that gave rise to the notification obligation are held by Tetragon Financial Group Master Fund Limited ("TFG"). Tetragon Financial Management LP ("TFM") has been appointed as the investment manager of TFG. Polygon Global Partners LLP provides certain services to TFM pursuant to a services agreement between them.

14. Contact name:

Sean Côté

15. Contact telephone number:

020 7901 8330