Andover Mining Corp.
TSX VENTURE : AOX
OTCBB : AOVTF
FRANKFURT : R2X

Andover Mining Corp.

September 12, 2012 09:00 ET

Andover Reports Additional Assay Results From the 2012 Drill Program at Its Wholly Owned Sun Property, Ambler Mineral Belt, Alaska

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Sept. 12, 2012) - Andover Mining Corp. ("Andover" or the "Company") (TSX VENTURE:AOX)(OTCBB:AOVTF)(FRANKFURT:R2X) is pleased to report additional results from its 2012 drilling campaign at the SUN district project, located in the eastern end of the Ambler Mineral Belt, Brooks Range, northwest Alaska.

Assays have been received from drill hole SUN 12-39, which targeted the Main SUN Deposit. Drill hole SUN 12-39, completed on August 16, 2012, was drilled on the southwestern margin of the Main SUN deposit and successfully intersected two massive sulfide horizons before being abandoned due to caving in the drill hole.

Results are summarized in the following table:

DDH ID # Angle/
Bearing
TD
(m)
Intercept
From
(m)
Intercept
To
(m)
Interval
(m)
True
Width
(m)
Cu
(%)
Pb
(%)
Zn
(%)
Ag
(g/T)
Au
(g/T)
SUN-12-39 -60/320 284.7 78.2
82.7
4.5 3.9 0.36 0.27 2.27 12.9
0.048
SUN-12-39 -60/320 284.7 106.2
117.7
11.5 10.0 3.00 0.54 2.43 43.6 0.427

Previous results from Main SUN drilling were reported in news releases dated July 18, August 21 and August 29, 2012. Drilling has been completed for the 2012 field season at both the Main SUN Deposit and S.W. SUN Deposit. New assays for the remaining drill holes will be released as they are received from ALS-Chemex.

The 2012 drill core was logged, split and boxed on site by Andover's geologists. Core from SUN was shipped to the ALS-Chemex Prep Lab in Fairbanks, Alaska. The pulps from Fairbanks were analyzed for 35 elements at the ALS-Chemex facilities in Vancouver, British Columbia and the gold assays were performed at ALS-Chemex facilities in Reno, Nevada. Base metal over-limits were wet assayed. Blanks and standards were inserted with each sample shipment.

This news release has been reviewed by Bradley C. Peek, Certified Professional Geologist (AIPG CPG-11299) and General Manager for Andover's Ambler District projects. Mr. Peek is a National Instrument 43-101 qualified person and is responsible for the technical aspects of this news release.

About Andover:

Andover is a precious and base metal exploration and development company focused on copper exploration at its flagship asset, the SUN project, located in the Ambler Mineral Belt, Northwest, Alaska. The Ambler Mineral Belt hosts world-class VMS deposits containing copper, zinc, lead, gold and silver. The Ambler Mineral Belt is one of the richest and most-prospective copper mineral belts located in one of the safest geopolitical jurisdictions in the world.

In Utah, Andover, through its 83.5% ownership of Chief Consolidated Mining Company whose lands located in the historic East Tintic Mining District, has a multi faceted development approach. The Big Hill project, where Kennecott Exploration Company can earn a 55% interest by carrying Chief through to the end of a Feasibility Study, is focused on a large porphyry copper prospect. The Burgin Complex, host to a limestone, silver lead zinc deposit has completed a PEA and is preparing this deposit and the Trixie gold mine toward exploitation.

For further information we invite you to visit us at www.andovermining.com.

ON BEHALF OF THE BOARD

Gordon Blankstein, CEO and Chairman

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

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