PNG Gold Corporation Graduates to Tier 2 Listing on TSX Venture Exchange

PNG Gold Corporation (TSX VENTURE:PGK) - 

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PNG Gold Corporation's (the 'Company' or 'PGK') is pleased to announce that the
TSX Venture Exchange has issued its Final Exchange Bulletin in respect of the
Reverse Takeover transaction described in the Company's Filing Statement dated
April 29, 2011 and filed on SEDAR at www.sedar.com . As a result, the Company
has met the requirements to be listed as a TSX Venture Tier 2 Company and
effective at market open Tuesday, June 21, 2011, the Company's listing will
transfer from NEX to TSX Venture Tier 2 and the trading symbol for the Company
will change from PGK.H to PGK.


About PNG Gold Corporation

PNG Gold Corporation is the new name of International Silver Ridge Resources
Inc., after completion of its business combination with NMC Mining Corp.
completed on June 7th, 2011. PNG Gold holds a 50% interest in the Imwauna and
Sehulea properties on Normanby Island, Milne Bay Province, Papua New Guinea, and
an option to acquire the remaining 50%. PNG Gold trades on the TSX Venture
Exchange under the symbol PGK. PNG Gold's mission is to become the premier
exploration and development company in Papua New Guinea.