December 29, 2009
Abacus Announces Completion of C$7.0 Million Equity Offering

VANCOUVER, B.C. December 29, 2009 - Abacus Mining & Exploration Corporation (the "Company" or "Abacus") (TSX.V:AME) is pleased to announce that it has closed its previously announced public equity financing (the "Offering"). Pursuant to the Offering, 19,502,000 units (the "Units") and 12,500,000 flow-through common shares (the "Flow-through Shares"), which includes the partial exercise of the over-allotment option, were issued at a price of C$0.20 per Unit and C$0.25 per Flow-through Share, for aggregate gross proceeds to the Company of C$7,025,400.

Each Unit consists of one common share in the capital of the Company (a "Common Share") and one transferable common share purchase warrant (a "Warrant"). Each Warrant will entitle the holder to acquire one Common Share at a price per Common Share of C$0.30 for a period of 36 months following the closing date of the Offering.

The Offering was completed on a best efforts basis through a syndicate of agents co-led by Haywood Securities Inc. and Canaccord Financial Ltd.

The Company will use gross proceeds from the sale of Flow-through Shares to incur Canadian Exploration Expenses (as defined under the Income Tax Act (Canada)) at the Company's Afton-Ajax project. The net proceeds from the sale of Units will be used for working capital and general corporate purposes, including advancing the preparation of a pre-feasibility study on the Afton-Ajax project.

The Units and Flow-through Shares have not been, nor will they be, registered under the United States Securities Act of 1933, as amended, and may not be offered or sold within the United States, or to or for the account or benefit of, U.S. persons without registration or pursuant to an applicable exemption from U.S. registration requirements.

This press release does not constitute an offer to sell, nor is it a solicitation of an offer to buy, securities.

About the Company

Abacus is an exploration and development company with a 43-101 compliant positive preliminary economic assessment report (announced June 22, 2009) for its Afton-Ajax copper/gold project located 10 kilometres southwest of Kamloops, British Columbia. The report contemplates a 60,000 tonne per day operation producing an average 106 million pounds of copper and 99,400 ounces of gold in concentrate annually. Sensitivity analyses approximating metal prices (US$2.75 per pound copper and US$1,000 per ounce gold) in the assessment indicate a NPV of $1.2 billion discounted 8% over a 23 year mine life, with an IRR of 31.3%, cash costs of $0.90 per pound copper, and payback of 2.3 years. The Ajax extension remains open along strike and at depth. Mineral resources that are not mineral reserves do not have demonstrated economic viability.

Eco Tech Laboratory Ltd. of Kamloops, B.C., will complete all of Abacus' analytical work on the project. A quality-control program, using specific standards and blank samples is in place. Robert G. Friesen, P.Geo., the Company's Senior Geologist, is the Qualified Person responsible for the design and conduct of the work performed.

On Behalf of the Board


Doug Fulcher
President and Chief Executive Officer

Contact: Director of Investor Relations - Donna Yoshimatsu, 416-722-2456 
or Investor Relations - Tim Mikula, 866-834-0301

Forward-Looking Information

This release includes certain statements that may be deemed "forward-looking statements". All statements in this release, other than statements of historical facts, that address events or developments that Abacus Mining and Exploration Corporation (the "Company") expects to occur, are forward-looking statements. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "will", "would", "may", "could" or "should" occur. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results may differ materially from those in the forward-looking statements. Factors that could cause the actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, and continued availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements are not guarantees of future performance and actual results or developments may differ materially from those projected in the forward-looking statements. Forward-looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made. Except as required by applicable securities laws, the Company undertakes no obligation to update these forward-looking statements in the event that management's beliefs, estimates or opinions, or other factors, should change.

You can view the Next News Releases item: January 14, 2010,Abacus Discovers New Near Surface Mineralization At The Ajax Deposit

You can view the Previous News Releases item: December 21, 2009,Abacus Files Final Prospectus

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