N@N

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Dec. 31, 2009) - Acero-Martin Exploration Inc. (TSX VENTURE:AMG)(FRANKFURT:AMX) ("Acero-Martin" or the "Company") announces that, further to its news releases dated December 1, 2009, and December 29, 2009 it has received conditional TSX Venture Exchange approval to complete the first tranche of its non-brokered private placement and will be proceeding today to issue 2,895,000 Units at 22.5 cents per unit for gross proceeds of $651,375.

Each Unit consists of one common share of the Company ("Share") and one share purchase warrant ("Warrant"). Each 2 whole warrants entitles the holder to purchase one Share of the Company for a period of 18 months after the closing date at a price of 27.5 cents per Share.

In connection with the closing of the first tranche, the Company has paid cash finders' fees totaling $32,479 to: Canaccord Capital Corporation ($8,221.50), Northern Securities Inc. ($2,362.50); Bolder Investment Partners ($7,895); and Vicarage Capital ($14,000).

All of the securities issued pursuant to the private placement, including any shares issued on the exercise of warrants, are subject to a four-month hold period expiring April 30^th, 2009.

The Company plans to raise up to $1,012,500; the balance to be completed through the closing of a second tranche.

This news release was prepared on behalf of the Board of Directors, which accepts full responsibility for its contents.

On behalf of the Board:

Michael C. Scholz, Chairman and Director

ACERO-MARTIN EXPLORATION INC.

Neither the 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.