OCEANAGOLD ADDED TO THE S&P TSX COMPOSITE AND S&P ASX 200 INDEXES

/NOT FOR DISSEMINATION OR DISTRIBUTION IN THE UNITED STATES AND NOT FOR DISTRIBUTION TO US NEWSWIRE SERVICES/

MELBOURNE, Australia, Sept. 13 /CNW/ - OceanaGold Corporation (ASX: OGC, TSX: OGC, NZX: OGC) (the "Company") is pleased to announce that the Company has been added to three additional Standard & Poor's Indexes on the Toronto and Australian Stock Exchanges.

Effective as of market open on Monday, 20 September 2010 OceanaGold will be included in the following indexes:

    
    S&P TSX Composite Index
    S&P ASX 200 Index
    S&P TSX Small Caps Index
    

Executive Chairman, Jim Askew commented, "We are very pleased to be included in these three additional S&P indexes. In particular, the addition to the TSX Composite and ASX 200 indexes which are the key benchmarks for the Toronto and Australian Stock Exchanges will assist in further broadening our shareholder base and increasing share liquidity."

About OceanaGold

OceanaGold Corporation is a significant Pacific Rim gold producer with projects located on the South Island of New Zealand and in the Philippines. The Company's assets encompass New Zealand's largest gold mining operation at the Macraes complex in Otago which is made up of the Macraes open pit and the Frasers Underground mines. Additionally on the west coast of the South Island, the Company operates the Reefton open-pit mine. OceanaGold produces between 270,000 - 300,000 ounces of gold per annum from the New Zealand operations. The Company also owns the Didipio Gold-Copper Project in northern Luzon, Philippines.

OceanaGold is listed on the Toronto, Australian and New Zealand stock exchanges under the symbol OGC.

For further information: Mr Darren Klinck, Vice President, Corporate and Investor Relations, Tel: [phone]