NioGold Mining Corp. Joins OTCQX

LANGLEY, BC - Apr 11, 2012 - NioGold Mining Corporation (TSX VENTURE: NOX) (OTCQX: NOXGF) ("NioGold" or the "Company") is now trading on the highest tier of the OTC marketplace in the United States, the OTCQX.

NioGold begins trading today on the OTC market's prestigious tier, OTCQX International. Investors can find current financial disclosures and Real-Time Level 2 quotes for the Company at www.otcmarkets.com.

"The OTCQX platform supports a transparent marketplace with high quality issuers, financial information disclosure and efficient trading for U.S. investors," said R. Cromwell Coulson, President and Chief Executive Officer of OTC Markets Group.

Dorsey & Whitney LLP will serve as NioGold's Principal American Liaison ("PAL") on OTCQX, responsible for providing guidance on OTCQX requirements and U.S. securities laws.


NioGold Mining Corporation -- On Canada's Golden Highway

NioGold Mining Corporation is a mineral exploration company focused on GOLD. The Company's flagship projects are located in the Cadillac - Malartic - Val-d'Or stretch of the prolific Abitibi gold mining district, Province of Quebec, Canada. The Cadillac, Malartic and Val-d'Or mining camps have produced over 45 million ounces of gold since the 1930s and presently encompasses seven producing gold mines and a major mine development project (Canadian Malartic, Osisko Mining). NioGold's land holdings within the Abitibi presently cover 125 km2 and encompass three former gold producers, namely the Norlartic, Kierens (First Canadian), and Marban mines that collectively produced 600,000 ounces of gold. NioGold has outlined Indicated resources of 598,000 ounces gold and Inferred resources of 361,000 ounces gold in and around these deposits.

NioGold's experienced and qualified technical team will ensure the successful advancement of the Company's projects towards the highest quality mineral resources. NioGold invites you to visit the company website at www.niogold.com.


Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release.


FORWARD-LOOKING STATEMENTS

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward looking. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties.


CAUTIONARY NOTE TO U.S. INVESTORS

The United States Securities and Exchange Commission permits U.S. mining companies, in their filings with the SEC, to disclose only those mineral deposits that a company can economically and legally extract or produce. We use certain terms in this news release, such as 'measured resources', 'indicated resources' and 'inferred resources', which the SEC guidelines strictly prohibit U.S. registered companies from including in their filings with the SEC. U.S. investors are urged to consider closely the disclosure in our Form 20-F. The news release may contain information about adjacent properties on which we have no right to explore or mine. U.S. investors are cautioned that mineral deposits on adjacent properties may not be indicative of mineral deposits on our properties.



For information on NioGold Mining Corporation contact:

NioGold Mining Corp.
Michael A. Iverson, Chairman & CEO
miverson@niogold.com
Tel: (604) 856-9887

Dale Paruk, Vice-President
dparuk@niogold.com
Tel: (604) 662-4505
Toll-free: (877) 642-6200