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The drilling is of HQ drill core size. The core is split, sampled, bagged and sent to the Certimin SAC laboratory in Lima for ICP analysis and for assays greater than 2 g/t Au a gravimetric FAA finish assay is used. Standards, blanks and duplicates are used in the core sampling process as part of the QA/QC procedure followed by Alonso Sanchez, V.P. of Exploration for Dynacor Gold Mines, B.Eng and QP under the American Institute of Professional Geologists (AIPG).

Manto Dorado: Excavation of a Cross-Cut

Dynacor has also excavated 140 meters of a 3m by 2.5m cross-cut (adit) that is being driven towards the gold mineralized Manto Dorado structure and the Veta Rosa gold mineralized vein. The Company is planning to excavate a total length of 300 meters in 2013 and the focus of the cross-cut campaign and underground definition drilling is to upgrade the historical resources of the 500 meter x 380 meter section of the Manto Dorado structure to NI 43-101 compliant resources. As of April 30, the Manto Dorado structure has been intersected at the 135 meters mark. Underground samples have been taken in the Manto Dorado and the Company is in the process of preparing the first samples for assaying. In 2008, this structure was intersected by two drill holes, returning high-grade gold mineralization grading 23.8 g/t Au over 1.2 m and 12.8 g/t Au over 1.4 m. Also surface sampling of an outcrop of the Manto Dorado returned a grade of 6.69 g/t Au over 4.90 m.

The assay results will be published as soon as they have been received back from the laboratory and interpreted.

This Press Release has been read and approved by Alonso Sanchez, P. Eng. and Chief Geologist for Dynacor Gold Mines. He acts as the qualified person ("QP") for the Company and is a geologist affiliated to the American Institute of Professional Geologists (AIPG).

ABOUT DYNACOR GOLD MINES INC.

Dynacor is a gold mining and exploration company active in Peru through its subsidiaries since 1996. The Company differentiates itself from pure exploration companies as it also generates income and cash flow from its wholly owned ore processing plant in Peru. The Company's assets include five exploration properties, including the Tumipampa property, along with its 220 tpd ore processing mill at Acari. Dynacor's mill produces gold from the processing of ore purchased from local producers. Dynacor's strength and competitive advantage comes with the experience, knowledge and vast network the Company has developed while working in Peru. Its pride remains in maintaining respect and positive work ethics toward its employees, partners and local communities.

FORWARD LOOKING INFORMATION

Certain statements in the foregoing may constitute forward-looking statements, which involve known and unknown risks, uncertainties and other factors that may cause the actual results, performance or achievements of Dynacor, or industry results, to be materially different from any future result, performance or achievement expressed or implied by such forward-looking statements. These statements reflect management's current expectations regarding future events and operating performance as of the date of this news release.

Dynacor Gold Mines Inc (TSX: DNG)

Website: http://www.dynacorgold.com

Twitter: http://twitter.com/DynacorGold

Facebook: http://www.facebook.com/pages/Dynacor-Gold-Mines-Inc/222350787793085

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Contacts:
Dynacor Gold Mines Inc.
Jean Martineau
President and CEO
514-393-9000 Ext. 228

Dynacor Gold Mines Inc.
Dale Nejmeldeen
Investor Relations
604.492.0099 / M: 604.562.1348
604.608.9223 (FAX)
nejmeldeen@dynacor.com