Total Voting Rights

Euromoney Institutional Investor PLC - voting rights and capital update.

April 1 2010

In conformity with the Transparency Directive's transitional provision 6 we would like to notify the market of the following:

Euromoney Institutional Investor PLC's capital has increased from 116,996,213 ordinary shares with voting rights as previously stated on March 1 2010 to 117,116,331 as a result of the issue of new shares from the exercise of share options.

Therefore, the total number of voting rights in Euromoney Institutional Investor PLC is 117,116,331.

The above figure (117,116,331) may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, Euromoney Institutional Investor PLC under the FSA's Disclosure and Transparency Rules.