Holding(s) in Company

Petroceltic International plc ('Petroceltic' or the 'Company')

The Company has today received a notification from Worldview EHS International Master Fund and Worldview Special Situations Fund, stating that the Worldview EHS International Master Fund and Worldview Special Situations Fund together have an interest in 151,980,668 ordinary shares which represents 6.414 per cent* of the Company's issued ordinary share capital.

* This percentage shareholding is based on a shares in issue figure of 2,369,605,049 ordinary shares.

Dublin: 27th September 2012