On 5 April, a recommended cash offer of 71 pence per AttentiV Share was announced by Regent Associates Ltd, on behalf of TietoEnator.

This was followed by a higher cash and shares offer by Microgen plc of 50 pence in cash and 0.3758 New Microgen Shares, implying a total value of 81 pence per AttentiV Share.

Subsequently, TietoEnator increased their offer to 85.5 pence in cash per AttentiV Share.

The increased offer was recommended by the Board of AttentiV and Microgen subsequently withdrew their offer.