Columbus Gold Receives US$4.2 Million Payment from Nord Gold; Updates Drilling

VANCOUVER, BRITISH COLUMBIA - May 23, 2014 - Columbus Gold Corporation (TSX VENTURE:CGT) ("Columbus Gold") is pleased to announce that it has received the US$4.2 million payment from Nord Gold N.V. ("Nord Gold") required to be paid pursuant to their option to earn a 50.01% interest in certain licences at Columbus Gold's 100% owned Paul Isnard Gold Project in French Guiana, that host the Montagne d'Or gold deposit (the "Project").

Nord Gold may earn a 50.01% interest in the Project by completing a bankable feasibility study and by expending not less than US$30 million in 3 years in staged work expenditures, which included a requirement for Nord Gold to pay Columbus Gold the US$4.2 million in cash no later than May 21, 2014.

Mega Precious Metals Intersects 61M of 3.44 g/t Gold Including 6.64 g/t Gold Over 30M, Expands High Grade Continuity Near Surface at Monument Bay

THUNDER BAY, ONTARIO-- May 22, 2014 - Press Release Highlights:

• Mega's 2014 drill program continues to define near surface high grade gold and gold/tungsten structures within a broader gold mineralized zone and multiple occurrences of visible gold ("VG").
  • TL-14-526 intersects 61m of 3.44 g/t gold including 6.64 g/t gold over 30m
  • TL-14-518 intersects 52m of 1.34 g/t gold equivalent including 1.98 g/t gold over 31m plus 1.17% WO³ over 3.0m
  • TL-14-516 intersects 18.5m of 1.81 g/t gold including 2.71 g/t gold over 11.85m
  • TL-14-520 intersects 25m of 1.00 g/t gold including 1.40 g/t gold over 15m
• Additional gold and tungsten assays are pending from the ongoing 2014 OCAP and drill program

Rio Alto and Sulliden to combine to create a leading Americas focused mid-tier gold producer

Rio Alto Mining Limited ("Rio Alto" or the "Company") (TSX & BVL: RIO, NYSE: RIOM) and Sulliden Gold Corporation Ltd. ("Sulliden") (TSX & BVL: SUE, OTCQX: SDDDF) jointly announce that they have signed a binding letter agreement (the "Agreement") to combine their respective businesses (the "Transaction") and create a new, leading mid-tier gold producer with operations focused in a world-class gold mining district in Peru.

Cayden drills 26 meters of 2.35 g/t gold, 38 meters of 1.47 g/t gold and 70 meters of 0.80 g/t gold

VANCOUVER, May 14, 2014- Cayden Resources Inc. (CYD.V) ("Cayden" or the "Company") is pleased to announce results for 9 additional drill holes from the Pena de Oro target at the Company's El Barqueno Gold Property in Jalisco State, Mexico. Drilling highlights include 26 meters of 2.35 g/t Au in Hole 50, 30 meters of 1.61 g/t Au in Hole 49, 38 meters of 1.47 g/t Au and 0.67% Cu in hole 52, and 70 meters of 0.80 g/t Au and 0.49% Cu in hole 54.

The results increase the strike length of mineralization to over 400 meters and the maximum vertical depth reached is 110 meters at Pena de Oro.