Trading Symbol: ADA: TSX; ADAIF: OTCQX News Release No. 08-12
September 4, 2012

NEWS RELEASE Acadian Files Updated Technical Report for the Fifteen Mile Stream Project Halifax, Nova Scotia - Acadian Mining Corporation ("Acadian" or the "Company") announces that it has filed on SEDAR a Technical Report on an Updated Mineral Resource Estimate for the Company's wholly-owned Fifteen Mile Stream Property dated August 29, 2012 (the "Technical Report"). The Technical Report was prepared by Dr. Simon Dominy FAusIMM (CP), FAIG (RPGeo), Executive Consultant, Snowden Mining Industry Consultants Pty Limited and Richard Horne, M.Sc., P.Geo., Chief Geologist of Acadian. Dr. Dominy is an independent Qualified Person in accordance with NI

43-101.
The updated NI 43-101 compliant mineral resource estimate for the Main Zone (Egerton-MacLean Zone) of the Fifteen
Mile Stream deposit is 308,000 ounces of gold in the inferred category with an average grade of 1.6 g/t Au at a cut-off of
0.7 g/t Au.

Forward Looking Statements

Certain information regarding Acadian contained herein may constitute forward-looking statements within the meaning of applicable securities laws. Forward-looking statements may include estimates, plans, expectations, opinions, forecasts, projections, guidance, or other statements that are not statements of fact. Although Acadian believes that the expectations reflected in such forward-looking statements are reasonable, it can give no assurance that such expectations will prove to have been correct. Acadian cautions that actual performance will be affected by a number of factors, many of which are beyond Acadian's control, and that future events and results may vary substantially from what Acadian currently foresees. Discussion of the various factors that may affect future results is contained in Acadian's Annual Information Form dated March 29, 2012, which is available at www.SEDAR.com. Acadian's forward looking statements are expressly qualified in their entirety by this cautionary statement.

About the Company

Acadian has several gold projects located in Nova Scotia, Canada. Acadian's primary focus is centered on exploration and development of its two core gold deposits, namely the Fifteen Mile Stream and Beaver Dam Projects.
For additional information on Acadian's properties and activities, please visit our web site at: www.acadianmining.com. FOR FURTHER INFORMATION, PLEASE CONTACT:
Grant Ewing, President and Chief Executive Officer
(902) 444-7779 Toll Free: (877) 444-7774 mail@acadianmining.com
Halifax, Nova Scotia
No regulatory authority has approved or disapproved the contents of this news release.

distributed by