TR-1 Notification

 TR-1: Notification of Major Interests in Shares

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

Velti plc

2. Reason for the notification  (yes/no)

An acquisition or disposal of voting rights

Yes

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

No

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

No

An event changing the breakdown of voting rights

No

Other (please specify): ______________

No

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

Wellington Management Company, LLP

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

Bank of New York Nominees Limited

HSBC Global Custody Nominee (UK) Limited

JP Morgan Chase Nominees Limited

Mellon Nominees (UK) Ltd.

Nortrust Nominees Limited

State Street Nominees Limited

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

11 March 2011

6. Date on which issuer notified:

12 March 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 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

Number of voting rights

Percentage of voting rights

Direct

Indirect

Direct

Indirect

JE00B41PDC455 Ordinary Shares

2,576,349

2,576,349

5.07%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period

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

Percentage of voting rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Exercise Price

Expiration date

Exercise/ conversion period

No. of voting rights instrument refers to

Percentage of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

2,576,349

5.07%

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

Bank of New York Nominees Limited - 25,347 shares

HSBC Global Custody Nominee (UK) Limited - 28,693 shares

JP Morgan Chase Nominees Limited - 19,578 shares

Mellon Nominees (UK) Ltd. - 584,069 shares

Nortrust Nominees Limited - 194,787

State Street Nominees Limited - 1,723,875 shares

Proxy Voting:

10. Name of the proxy holder:

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:

14. Contact name:

Robert J. Toner

15. Contact telephone number:

(617) 790-7084

A: Identity of the person or legal entity subject to the notification obligation

Full name

(including legal form for legal entities)

Wellington Management Company, LLP

Contact address

(including legal form for legal entities)

280 Congress Street, Boston, MA 02210 USA

Phone number & email

(617) 790-7084  [email protected]

Other useful information

(at least legal representative for legal persons)

B: Identity of the notifier, if applicable

Full name

Robert J. Toner

Contact address

280 Congress Street, Boston, MA 02210 USA

Phone number & email

(617) 790-7084  [email protected]

Other useful information

(e.g. functional relationship with the person or legal entity subject to the notification obligation)

C: Additional information