Oro Gold Reports 97% Gold Recovery From Preliminary Metallurgical Testwork at Trinidad Project, Mexico

Monday March 22, 2010, 8:02 am

VANCOUVER, BRITISH COLUMBIA--(Marketwire - March 22, 2010) - Oro Gold Resources Ltd. ("Oro Gold" or "Company") (TSX VENTURE:OGR; OTC:OGRSF - News) announces results from preliminary metallurgical testwork completed on core samples taken from the HS Zone of the Trinidad gold resource. The testwork indicates the high-grade oxide material in the HS Zone is readily amenable to milling/cyanidation treatment, showing high gold recovery ranging from 94% to 97%.

Whole ore cyanidation tests (bottle rolls) on two core samples ground to 80% passing 75 microns reported gold recoveries of 94.2% and 92.6% and silver recoveries of 38.7% and 47.9% respectively after 72 hours leach time. Staged grinding tests indicate the ore is very sensitive to grind size, with gold recoveries improving to 97.3% on both samples, and silver recoveries improving to 43.0% and 50.1% on the two samples when ground to 80% passing 45 microns.

"These results are very encouraging as they demonstrate that we have excellent gold recovery in the high-grade oxide zones. We plan to complete additional metallurgical testwork to support an in-house scoping study that will show what we are defining has the potential to go into production," stated Frank Powell, Vice-President of Oro Gold.

The ongoing internal scoping study includes resource model updates, pit optimization evaluation, and project valuation assessments. The Company has contracted Snowden Mines Industry Consulting Inc. to complete the independent NI - 43-101 resource estimate.

Additionally, a mineralogical study was completed on the metallurgical samples to determine the ore mineralogy and gold occurrence. The highlight results of this study include the following:

 
 1.  Abundant iron oxide (specularite) in ground mass; this is not due to     
 weathering, but appears to be related to hydrothermal alteration,     
 implying an oxidizing fluid with the gold mineralization event  
 2.  The silica associated with the gold mineralization is chalcedonic,     
 implying higher up in the epithermal vein system  
 3.  Gold occurs in vugs, and also associated with goethite replacement of     
 pyrite or encapsulated within the quartz matrix

Oro Gold is currently drilling at the Trinidad project with two drill rigs with a goal to increase the gold resource base. The Company plans to drill a minimum of 10,000 metres to get to the next decision point by mid-year.

The Company's current exploration program is focused on the following:

(1) Discovering new zones in the Taunus area;
(2) Expanding the known gold zones both near surface and at depth;
(3) Deeper drilling to discover the source of the high-grade gold zones at
Taunus;
(4) Exploring additional targets outside of the Taunus area in the Trinidad
district; and
(5) Initiating regional exploration on Oro Gold's other gold properties
(over 2,000 square-kilometres) located outside of the Trinidad district.

About Taunus

The Taunus gold target area is located on the Trinidad property in an 80 kilometre-long, northwest-trending structural corridor in what the Company references as the Trinidad district. The Taunus gold deposit is interpreted to be hosted in a local pull-apart basin situated in the larger Trinidad district structural corridor. Mineralization at the HS Zone within the Taunus gold target is interpreted to be an oxidized, low-to-intermediate sulphidation, epithermal vein system. The mineralization is characterized by multiphase stockwork veining and hydrothermal brecciation hosted in both clastic, porphyry intrusive and andesitic units. Oro Gold has identified 10 other gold targets within the 650-square-kilometreTrinidad district that it will be exploring over the next season.

Quality Assurance - Quality Control

The Trinidad project exploration is under the direction of Frank Powell, Executive Vice President Oro Gold Resources Ltd. Gary Lustig, P.Geo., a qualified person as designated by National Instrument 43-101 has reviewed the technical content of this release. Thorough quality assurance and quality control program (QA/QC) protocol was utilized on the project including duplicate, blank and standard samples with each batch of assays. The core samples were submitted directly to Inspectorate de Mexico, S.A de C.V. for preparation in Durango, Mexico, and analysis in Reno, Nevada. Analysis was conducted on 1 assay ton samples with over 20% as QA/QC samples. Analysis of gold was by fire assay, with a gravimetric finish on samples exceeding 5 g/t gold. The gravimetric assay results were used for the reported composite intervals.

About Oro Gold

Oro Gold is a junior gold exploration company with projects located in Mexico and Panama. The Trinidad gold project located in Sinaloa, Mexico continues to be the Company's main focus of exploration and resource definition efforts. The Company intends to increase shareholder value through the discovery and definition of low-cost, quality gold resources on its advanced stage properties.

ON BEHALF OF THE BOARD OF DIRECTORS
Darren Bahrey, President and CEO

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Dan