MINNETONKA, Minn., May 18, 2012 (GLOBE NEWSWIRE) -- Black Ridge Oil & Gas, Inc. (formerly known as Ante5, Inc.) (OTCBB:ANFC) previously issued a press release on May 15, 2012 announcing its financial results for the fiscal quarter ended March 31, 2012. Black Ridge subsequently discovered that its Adjusted EBITDA calculation was incorrect in that it failed to exclude amortization of warrant based financing costs from interest expense and should have been stated as being ($29,765) for the quarter ended March 31, 2012. The correction did not have any impact on its financial statements for the quarter ended March 31, 2012 or any other reported information. Black Ridge has also filed an amendment to its Form 10-Q reflecting this correction.