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CORPORATE PROFILE

Golden Star is a mid-tier gold mining company over a quarter-century in age and total historical production of over two million ounces of gold. The Company has two operating mines situated along the prolific Ashanti Gold Belt in Ghana, West Africa. Our growth strategy is the result of our exploration and expansion activities at both Bogoso/Prestea and Wassa/HBB. The Bogoso/Prestea mine has the ability to process both non-refractory and refractory ores. The Wassa plant processes ore from the Wassa pits in addition to high-grade ore from the HBB satellite mines. In addition to operational growth, the Company has consistently grown through exploration and corporate development activities. Lastly, Golden Star has a long-term commitment to sustainability with particular emphasis on health, education and the environment.

The Bogoso/Prestea mining complex consists of several open pit operations along thirty kilometers of the Ashanti Trend feeding both refractory and non-refractory ores to the two processing plants. The oxide plant is a conventional carbon-in-leach ("CIL") operation and can process up to 1.5 million tonnes per year of ore. The 2.7 million tonne per year sulfide plant at Bogoso processes our extensive refractory ore inventory and utilizes bio-oxidation to oxidize the sulphides, followed by a CIL circuit to extract the gold. The Bogoso/Prestea mine produced 140,504 ounces of gold in 2011.

The Wassa mine is an open pit operation utilizing a conventional CIL processing plant. Ore is sourced from the nearby Wassa pits and the satellite pits at Benso and Hwini-Butre. Gold production totaled 160,616 ounces in 2011.

Total gold production from both mines in 2011 totaled 301,120 ounces. Estimated 2012 production is 338,000 ounces.

Over its 25-plus year history, Golden Star has maintained an aggressive exploration program. Year over year, our exploration budget has ranged between $10 and $20 million per year. The exploration expenditures for 2012 are expected to total $14 to $16 million. While the majority of our exploration activities are proximal to our operations in Ghana, we have a property portfolio that includes projects elsewhere in Ghana, in other parts of West Africa and in Brazil.

Golden Star’s goal is to grow its business in Ghana, other selected countries in West Africa through organic growth and accretive acquisitions. The Company is well financed and has a strong, experienced and operationally focused management team.

Reserves and Resources (Ounces) - December 31, 2011

Reserves 1 Resources 2 Total 3
Bogoso Surface 3.34 1.29 4.63
Prestea Underground - 0.65 0.65
Wassa 0.88 0.99 1.79
Total 4.14 2.93 7.07

  1. Source: Internal Company Report, prepared under the supervision of Qualified Person Dr. Martin Raffield, P.Eng., Senior Vice President, Technical Services for Golden Star
  2. Source: Internal Company Report, prepared under the supervision of Qualified Person S. Mitchel Wasel, Golden Star Resources Vice President, Exploration. Resources are in addition to reserves and include Inferred material
  3. Variations may occur due to rounding