Ad hoc announcement acc. to Sec. 15 WpHG: United Internet resolves further buyback of its own shares

Montabaur, April 11, 2011. The Management Board of United Internet AG (ISIN DE0005089031) today resolved to launch a further buyback program. In the course of this new share buyback program, up to 4,500,000 company shares (corresponding to 2% of capital stock) are to be bought back via the stock exchange. The resolution follows the authorization of the Annual Shareholders? Meeting of June 2, 2010 to buy back shares representing up to 10% of the company?s capital stock. The authorization was issued for the period up to May 25, 2012.

United Internet currently holds 13,500,000 treasury shares, corresponding to 6% of capital stock.

The repurchased shares can be used for all purposes stated in the authorization of the Annual Shareholders' Meeting of June 2, 2010, in particular for current and future employee stock ownership plans and / or as an acquisition currency, but may also be cancelled.