Annual General Meeting

June 17, 2011

To

The London Stock Exchange

10 Paternoster SquareLondonEC4M 7LS

Dear Sir/Madam,

Sub: Annual General Meeting

Please be informed that the Board of Directors of the Company has today approved the following:

Ø The seventeenth Annual General Meeting of the members of the Company will be held on Wednesday, the 27th day of July, 2011 at 12 noon at the registered office of the Company.

Ø The dates of book closure shall be from July 25, 2011 to July 27, 2011 (both days inclusive). Please note that the book closure is an annual book closure and does not relate to any dividends or other announcements.

We request you to take the aforesaid notification on record.

For Subex Limited

Vinay M A

Assistant Company Secretary