Disclosure of holding in IDEX

IDEX ASA (“IDEX”) issues this notice on behalf of its shareholder Charles Street International Limited (“CSIL”).

Reference is made to the announcement by IDEX today that the share capital in IDEX will increase to 233,031,364 shares by way of a private placement.

CSIL holds 51,588,653 shares in IDEX, representing 25.01 per cent of the current share capital. After registration of the announced increase in share capital of IDEX, in which CSIL does not participate, CSIL’s holding will represent 22.14 per cent of the expanded share capital and votes of IDEX.

11 April 2011

This information is subject of the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.