Holding(s) in Company

For filings with the FSA include the annex

For filings with issuer exclude the annex 

TR-1: Notifications of Major Interests in Shares

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

ARK THERAPEUTICS GROUP PLC

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

An acquisition or disposal of voting rights

X

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

An event changing the breakdown of voting rights

Other: Transitional disclosure required following the implementation of the

DTR rules

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

Hansa Capital Partners LLP

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

Deutsche is Deutsche Bank Nominees (Jersey) Limited - A/C HAML OWIL Bank of New York Mellon (OCS) Nominees Limited - A/C 339552 HANT

5. Date of transaction (and date on which the threshold is crossed or reached if different):

30 July 2008

6. Date on which issuer notified:

26 August 2008

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

Over 3%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use ISIN code

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of shares

Number of voting rights

Number of shares Direct

Number of voting rights

Percentage of voting rights

Direct

Indirect

Direct

Indirect

Ordinary GB0034251727

5,776,146

5,776,146

6,406,146

6,406,146

281,763

3.12%

0.14%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date 

No. of voting rights that may be acquired if the instrument exercised/converted

Percentage of voting rights

N/A

Total (A+B)

Number of voting rights

Percentage of voting rights

6,406,146

3.26%

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

N/A

Proxy Voting:

10. Name of proxy holder:

N/A

11. Number of voting rights proxy holder will cease to hold:

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

13. Additional information:

N/A

14 Contact name:

James Siddalls

15. Contact telephone number: