Total Voting Rights

Houston, Texas, U.S.A. - 3 August 2011

FRONTERA RESOURCES CORPORATION

("Frontera" or the "Company")

TOTAL VOTING RIGHTS

Frontera Resources Corporation, an independent oil and gas exploration and production company, today announces that, pursuant to the Merger Agreement and further to the announcement of 2 August 2011, 31,652,581 ordinary shares of par value US$0.00004 each in the Company have been transferred into treasury, to be held by the Company pending receipt of letters of transmittal.

Accordingly, the total number of voting rights in Frontera is now 2,012,672,555 and this figure may be used by shareholders (and others with notification obligations) as the denominator for the calculations by which they will determine whether they are required to notify their interest in, or a change to their interest in, Frontera under the FSA's Disclosure and Transparency Rules.

All US shareholders should submit a letter of transmittal to the Company by 29 November 2011 (being the date 120 days following completion of the Merger). The Company will examine all letters of transmittal submitted by US shareholders and will make further announcements as appropriate.

Enquiries:

Frontera Resources Corporation

Liz Williamson

Vice President, Investor Relations and Corporate Communications

(713) 585-3216

[email protected]

Nominated Adviser:

Strand Hanson Limited

James Harris / Andrew Emmott / Paul Cocker / Liam Buswell

+44 (0)20 7409 3494

Brokers: 

Arbuthnot Securities Limited

Richard Johnson / Adam Lloyd

+44 (0)20 7012 2000

Old Park Lane Capital Plc

Michael Parnes / Luca Tenuta

+44 (0)20 7493 8188

Financial PR:

Buchanan

Tim Thompson / Ben Romney / Helen Chan

+44 (0)20 7466 5000

[email protected]