Northern Sun Completes Asbestos Remediation at Its Timmins Properties

TORONTO, ONTARIO--(Marketwired - Dec 10, 2013) - Northern Sun Mining Corp. (TSX:NSC) (formerly Liberty Mines Inc.) is pleased to report the successful completion of the asbestos remediation program at its Timmins properties, more specifically its Redstone Mill site and its McWatters Mine site. In particular, the order to suspend activities at site has been revoked by the Ministry of Labour.

In addition, the Company announces its intention to officially close the McWatters nickel mine in Timmins and will begin site rehabilitation measures in 2014. Site rehabilitation at the McWatters mine will be fully funded by reclamation bonds currently on deposit with the Ministry of Natural Resources.

About Northern Sun Mining Corp.

Northern Sun owns two former producing nickel mines and a large prospective land package in the Shaw Dome area, a prospective nickel belt near Timmins, Ontario. Northern Sun owns the Redstone Mill which has operated as the only nickel concentrator in this Region. The Mill was designed with two processing circuits which is permitted to operate in tandem at 1,500 tonnes per day ("tpd"), but with the flexibility to operate independently processing two different ore types, each at 750 tpd. In 2014, the Company intends to re-open the mill to offer toll milling services to a variety of deposits in the Timmins Camp and general area.

REGULATORY NOTES AND CAUTIONARY STATEMENTS

This document includes "forward looking statements", as defined under applicable securities laws. All statements, other than statements of historical fact, including statements regarding the impact of closing of the McWatters mine site, the remediation of the Redstone property, the timing of completion of the financing, future plans and objectives of Northern Sun, and the timing and completion of necessary financing and its consequences are forward looking statements that involve various risks and uncertainties. There can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from Northern Sun's expectations are: insolvency risks; regulatory approvals; environmental risks and other risks inherent in the mining industry, as described in Northern Sun's public filings. Forward-looking statements speak only as of the date on which they are made. Northern Sun does not undertake to publicly update any such statement, except where required by securities regulations. Accordingly, readers should not place undue reliance on forward-looking statements.

No stock exchange, securities commission or other regulatory authority has approved or disapproved the information contained here.