RTHM.L Regulatory News (RTHM)

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

Blinkx plc

2. Reason for the 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 (please specify):___________________________________________

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

FMR LLC

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

See section 9

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

13 May 2011

6. Date on which issuer notified:

17 May 2011

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

5%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares

 if possible using the ISIN CODE

Situation previous to the Triggering transaction

Resulting situation after the triggering transaction

Number of Shares

Number of Voting Rights

Number of shares

Number of voting rights

% of voting rights

Direct

Indirect

Direct

Indirect

ISIN GB00B1WBW239

15,767,297

15,767,297

17,013,601

17,013,601

5.08%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ Conversion Period/ Date

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

% of voting rights

Total (A+B)

Number of voting rights

% of voting rights

17,013,601

5.08%

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

Proxy Voting:

10. Name of the proxy holder:

FMR LLC

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

1,246,304

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

13 May 2011

13. Additional information:

14. Contact name:

Frances Smith, Company Secretary

15. Contact telephone number:

01223 488500