Aug 13 (Reuters) - Gran Colombia Gold Corp GCM.TO :
* Announces second quarter and first half 2015 results; reports production
improvement and further reduction in aisc to $904 per ounce
* Says gold production at the segovia operations increased in the second
quarter of 2015 to 22,550 ounces
* Q2 adjusted earnings per share $0.08
* Continues to expect to see an increase in total annual gold production in
2015 to approximately 114,000 to 136,000 ounces
* Says also expects a total of 24,000 to 26,000 ounces at the marmato
underground mine in 2015
* Revenue of $31.3 million in the second quarter of 2015 versus $32.8 million
* Q2 earnings per share $0.13
* Source text for Eikon ID:nPn62DRG3
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