Golden Star Reports First Gold Production From Bogoso Sulfide (BIOX(R)) Processing Plant

    DENVER, March 28 /CNW/ - Golden Star Resources Ltd. (AMEX:  GSS) (TSX:GSC)
today announced that earlier this week it poured the first gold production
from the Bogoso Sulfide Processing Plant, using the BIOX(R) process at its
Bogoso/Prestea in Ghana. Results from this first gold pour included 228 ounces
of gold attributable to the BIOX(R) process.

    Peter Bradford, President and CEO, commented, "We are very pleased to see
the first results of all our efforts at the BIOX(R) plant come to fruition.
While we have previously had gold production from the new processing plant,
that production was derived from the processing of oxide ore during the
testing of the crushing, grinding and carbon in leach (CIL) sections. The gold
production announced today reflects the first gold poured from the BIOX(R)
process of the new refractory sulfide ore processing plant and, although small
in quantity, demonstrates that the process is working as it should. This is a
significant milestone in our continuing evolution into a mid-tier gold
producing company."

    The buildup of BIOX(R) material in the stainless steel tanks commenced in
2006 and, as at the end of February 2007, overflow material from the Module 1
BIOX(R) tanks was sent to the washing thickeners. In March 2007 we started
filling the CIL tanks with bio-oxidized material from Module 1 BIOX(R). The
Module 2 BIOX(R) section will be operational in April.

    All neutralization tanks were made ready in March as was the new reagents
section. As previously indicated, the new elution section and gold room, to
recover the gold after CIL, is expected to be operational in April but until
then we continue to use the existing elution section and gold room. We expect
the sulfide processing plant to be in commercial production in the second
quarter and to be at or near design throughput rates by the third quarter of
2007 and at or near design recovery rates by the fourth quarter.

    Ghana Power

    With the Akosombo reservoir at near record low levels and, despite the
Government best efforts at power conservation country-wide, the power
situation in Ghana remains a concern. The situation is not likely to improve
markedly until the rainy season returns in the next few months and water
starts to inflow to the Akosombo reservoir. As a result, the Ghana Government
power authority this week reconfirmed power rationing throughout Ghana, with
all users being limited to 75% of their normal consumption. Golden Star's
operations continue to save power where practicable and we run our on-site
diesel generators as needed to comply with the power rationing requirements.

    With regard to the joint power station project that Golden Star is
participating in with Newmont Mining Corporation, AngloGold Ashanti Limited
and Gold Fields Limited, civil construction work on the foundations of the
plant began in March 2007. The plant is expected to be delivered to Ghana in
April 2007 with commissioning anticipated for July 2007. We continue to work
closely with the other mining companies and the power authorities in Ghana to
minimize the impact of the power shortage for the benefit of all concerned.

    Separately, Golden Star is investigating additional power generation
options to make it less dependent on the national grid in Ghana.

    Company Profile

    Golden Star holds a 90% equity interest in the Bogoso/Prestea and Wassa
open-pit gold mines in Ghana. In addition, Golden Star has an 81% interest in
the currently inactive Prestea Underground mine in Ghana, as well as gold
exploration interests elsewhere in Ghana, in other parts of West Africa and in
the Guiana Shield of South America. Golden Star has approximately 233 million
shares outstanding.

    Statements Regarding Forward-Looking Information: Some statements
contained in this news release are forward-looking statements within the
meaning of the Private Securities Litigation Reform Act of 1995. Investors are
cautioned that forward-looking statements are inherently uncertain and involve
risks and uncertainties that could cause actual results to differ materially.
Such statements include comments regarding the timing of the completion,
commissioning, commencement of commercial production, and timing and rates of
production and recovery at the Bogoso Sulfide Expansion Project and various
components of the Project, future gold production from the Bogoso Sulfide
Expansion Project, progress toward becoming a mid-tier producer, access to
power from the hydropower grid, and delivery and commissioning of the joint
power station. Factors that may affect such commencement of operations include
delays in receiving needed equipment and parts, design modifications during
commissioning, power shortages and interruptions, weather including excessive
rainfall or drought and variations in ore grade or type, technical or
operating problems and fluctuations in the price of gold. There can be no
assurance that future developments affecting the Company will be those
anticipated by management. Please refer to the discussion of risk factors in
our Form 10-K for 2006.

For further information:

For further information: GOLDEN STAR RESOURCES LTD. Bruce Higson-Smith,
+1-800-553-8436 Vice President Corporate Development or Anne Hite,
+1-800-553-8436 Investor Relations Manager

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