Rockhopper Exploration plc

7 January 2013

ROCKHOPPER EXPLORATION PLC (The 'Company')

Total Voting Rights

In the month of December 2012 the Company issued 2,106 shares as part of the Company's Share Incentive Plan ("SIP"). In conformity with the Financial Services Authority's Disclosure and Transparency Rules, the Company confirms that, as at 31 December 2012, the issued ordinary share capital of the Company consisted of 284,202,899 shares with voting rights attached (one vote per ordinary share). The Company does not hold any shares in Treasury at the date of this disclosure.

The above figure can be used by shareholders as the denominator for the calculations by which to determine if they are required to notify their interest in, or a change to their interest in, the Company under the FSA's Disclosure and Transparency Rules

Rockhopper Exploration plc

Jan Davies - Company Secretary

Tel. +44 (0)20 7920 2340 (via M: Communications)

M: Communications

Patrick d'Ancona or Ben Simons

Tel. +44 (0)20 7920 2340

Canaccord Genuity Limited
Henry Fitzgerald-O'Connor

Tel. +44 (0) 20 7523 8000


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