Andover Announces Commencement of Drilling at Sun Property, Ambler Mining Belt, Alaska

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 06/21/12 -- Andover Mining Corp. ("Andover" or the "Company") (TSX VENTURE: AOX)(OTCBB: AOVTF)(FRANKFURT: R2X) is pleased to announce drilling has commenced this week at the SUN project location in the Ambler Mining District of Alaska.

Core One Drilling Inc. of Delta, Colorado, is operating 2 drill rigs for Andover on the Company's 36,800 acre property. Drilling is being conducted on a 24 hour basis, 7 days a week, and is expected to continue into September 2012.

The core from the drilling is being logged, split and boxed on site by Andover's geologists. Core is being shipped weekly to the ALS-Chemex Prep Lab in Fairbanks, Alaska. The pulps from Fairbanks will be analyzed for 35 elements at the ALS-Chemex facilities in Vancouver, British Columbia and the gold assays will be performed at ALS-Chemex facilities at Reno, Nevada. Assay results will be released by Andover as they are received.

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 Mining District, Northwest, Alaska. The Ambler District hosts world-class VMS deposits containing copper, zinc, lead, gold and silver. The Ambler District is one of the richest and most-prospective copper districts 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.

Contacts:

Andover Mining Corp.

Richard Martens

Investor Relations

1-604-682-2168 or Int'l Toll Free: 1-800-266-4484
rick@andovermining.com
www.andovermining.com