Directors' Dealing

Origin Enterprises plc ("Origin" or the "Company")

Directors' Shareholding

Following the achievement of targets under the 2006 Origin Long Term Incentive Plan 958,182 deferred convertible ordinary shares in the Company held by Tom O'Mahony and 482,069 deferred convertible ordinary shares held by Brendan Fitzgerald were today converted on a one for one basis into ordinary shares of €0.01 each in Origin ("Ordinary Shares").

Subsequent to the conversion Tom O'Mahony sold 200,000 Ordinary Shares on 17 April 2012 at a price of €3.70 per Ordinary Share and Brendan Fitzgerald sold 108,000 Ordinary Shares on 17 April 2012 at a price of €3.70 per Ordinary Share.

Following these transactions Tom O'Mahony is interested in 1,595,449 Ordinary Shares, representing approximately 1.16% of the Company's issued share capital and Brendan Fitzgerald is interested in 800,537 Ordinary Shares, representing approximately 0.58% of the Company's issued ordinary share capital.

Pat Morrissey

Company Secretary

Origin Enterprises plc

17 April 2012