Banro increases indicated mineral resource at Namoya by 36% to 938,800 ounces of gold; Inferred resource increases to 621,500 ounces



    TORONTO, June 8 /CNW/ - Banro Corporation ("Banro" or the "Company")
(AMEX - "BAA"; TSX - "BAA") is pleased to announce the following updated
Mineral Resource estimates at its wholly-owned Namoya project in the
Democratic Republic of the Congo (the "DRC").

    
    -   Indicated Mineral Resource has increased by approximately 36% to
        938,800 ounces of gold (8.925 million tonnes grading 3.27 g/t Au).

    -   Inferred Mineral Resource has increased by approximately 7% to
        621,500 ounces of gold (7.074 million tonnes grading 2.73 g/t Au).

    This significant increase in the Indicated Mineral Resource at Namoya
results from additional core drilling of 7,411.53 metres (36 drill holes)
which has been completed since the previous Namoya mineral resource
determination (see the Company's press release dated September 7, 2006).
Mineral Resources have been determined for the Mwendamboko, Kakula, Namoya
Summit and Muviringu deposits which occur along a two kilometre mineralized
shear zone at Namoya.
    Table I below summarises the current Mineral Resource estimates at Namoya
(with an effective date of June 8, 2007):

    Table I
    ---------------------------------------------------------
    Mineral                                  Au
    Resource Category         Tonnes        (g/t)     Ounces
    ---------------------------------------------------------
    Indicated               8,925,000       3.27     938,800
    ---------------------------------------------------------
    Inferred                7,074,000       2.73     621,500
    ---------------------------------------------------------
    (Using a 1.0 g/t Au cut-off).
    Tonnes rounded to the nearest '000 and ounces to the nearest '00.

    Table II below summarises the Mineral Resource estimates at Namoya in
terms of oxide, transitional and fresh rock (sulfide) categories.

    Table II
    --------------------------------------------------------------------
      Material            Indicated                     Inferred
        Type                 Au                            Au
                   Tonnes   (g/t)   Ounces       Tonnes   (g/t) Ounces
    --------------------------------------------------------------------
    Oxide        6,409,000  3.07    632,300    1,407,000  2.06   93,100
    Transitional 2,152,000  3.50    242,100    2,040,000  2.22  145,800
    Fresh Rock     364,000  5.50     64,400    3,627,000  3.28  382,600
    --------------------------------------------------------------------
    Total        8,925,000  3.27    938,800    7,074,000  2.73  621,500
    --------------------------------------------------------------------
    (Using a 1.0 g/t Au cut-off).
    Tonnes rounded to the nearest '000 and ounces to the nearest '00.
    

    The Mineral Resources were calculated from the current and previous core
drilling programs as well as previous adit information. Gold grades, other
than gold grades in the Muviringu model, have been determined using ordinary
kriging interpolation algorithm into a 3-Dimensional block model constrained
by mineralization wireframes. Gold grades in the Muviringu model (with an
Inferred Mineral Resource of 2,656,000 tonnes grading 2.62 g/t Au and
containing 224,000 ounces of gold) were determined using the weighted inverse
distance squared method. The mineralization models were constrained within the
wireframe with primary block dimensions of 10 metres along the strike and
cross structure directions, and 5 metres in the vertical direction.
Higher-grade values have been statistically capped to between 5 g/t Au and 100
g/t Au based on the mineralized domain. The improved geological knowledge,
coupled with the increased data density, the continuity of the mineralization
and the increased reliability of the database, have allowed resources to be
classified with higher confidence. Tonnages and grades are reported using a
1.0 g/t Au cut-off.
    Commenting on these results at Namoya, Peter Cowley, President and C.E.O.
of the Company, said: "The significant 36% increase in the Indicated Mineral
Resource category is encouraging with a high degree of conversion from the
Inferred Mineral Resource category. These results are currently being
incorporated into a Preliminary Assessment (scoping) study being carried out
for Namoya. We expect to announce the results of this study later this month.
    "Recent testwork for the oxide, transitional and fresh rock (sulfide)
have indicated excellent metallurgical recoveries exceeding 90%; a
conventional CIL (carbon-in-leach) process plant is being scoped for the
project. In addition, our exploration program is continuing at Namoya and
additional targets are being drill tested.
    "Elsewhere on our properties in the DRC, a Preliminary Assessment is
being undertaken on the much larger Twangiza project, which is also 100%-owned
by Banro. This study is expected to be completed in July."
    Drill cores for assaying were taken at a maximum of one metre intervals
and were cut with a diamond saw with one-half of the core placed in sealed
bags and sent to the Company's sample preparation facility in Bukavu, DRC. The
core samples were then crushed down to minus 2 mm, split with half the sample
then being pulverised down to minus 75 microns. A portion of the pulverised
sample was then shipped to the SGS Laboratory (which is independent of the
Company) in Mwanza, Tanzania where the samples were analysed for gold by fire
assay using a 50 g sample. As part of the Company's QA/QC procedures,
internationally recognized standards, duplicates and blanks were inserted into
the sample batches.
    The Mineral Resource estimates disclosed in this press release have been
prepared in accordance with National Instrument 43-101 ("NI 43-101") based on
information compiled by Banro's Mineral Resources Manager, Daniel Bansah, who
is a Member of The Australasian Institute of Mining and Metallurgy
(Aus.I.M.M). Mr. Bansah has over 18 years experience in the determination of
gold mineral resources and is a "qualified person" as such term is defined in
NI 43-101. Mr. Bansah has reviewed and approved the contents of this press
release.
    Independent geological consultants, SRK Consulting (UK) Ltd., have
reviewed the estimation method and concur with the approach used by Banro.
    Additional information with respect to the Namoya project is contained in
the technical report of Michael B. Skead (who is the Company's Vice President,
Exploration and a "qualified person" as such term is defined in NI 43-101)
dated March 30, 2007, and entitled "Third NI 43-101 Technical Report, Namoya
Project, Maniema Province, Democratic Republic of the Congo." A copy of this
report can be obtained from SEDAR at www.sedar.com. Exploration at Namoya is
being conducted under the supervision of Mr. Skead (Aus.I.M.M).

    Banro is a Canadian-based gold exploration company focused on the
development of four major, wholly-owned gold projects along the 210
kilometre-long Twangiza-Namoya gold belt in the South Kivu and Maniema
provinces of the DRC. Led by a proven management team with extensive gold and
African experience, Banro's strategy is to unlock shareholder value by
increasing and developing its significant gold assets in a socially and
environmentally responsible manner.

    Cautionary Note to U.S. Investors: The United States Securities and
Exchange Commission (the "SEC") permits U.S. mining companies, in their
filings with the SEC, to disclose only those mineral deposits that a company
can economically and legally extract or produce. Certain terms are used by the
Company, such as "measured", "indicated", and "inferred" "resources", that the
SEC guidelines strictly prohibit U.S. registered companies from including in
their filings with the SEC. U.S. Investors are urged to consider closely the
disclosure in the Company's Form 40-F Registration Statement, File No.
001-32399, which may be secured from the Company, or from the SEC's website at
http://www.sec.gov/edgar.shtml.

    Forward-Looking Statements: This press release contains forward-looking
statements. All statements, other than statements of historical fact, that
address activities, events or developments that the Company believes, expects
or anticipates will or may occur in the future (including, without limitation,
statements regarding the estimation of mineral resources, potential
mineralization, potential mineral resources and the Company's exploration and
development plans and objectives with respect to its properties) are
forward-looking statements. These forward-looking statements reflect the
current expectations or beliefs of the Company based on information currently
available to the Company. Forward-looking statements are subject to a number
of risks and uncertainties that may cause the actual results of the Company to
differ materially from those discussed in the forward-looking statements, and
even if such actual results are realized or substantially realized, there can
be no assurance that they will have the expected consequences to, or effects
on the Company. Factors that could cause actual results or events to differ
materially from current expectations include, among other things, failure to
establish estimated mineral resources, gold recoveries for Namoya being less
than those indicated by the metallurgical testwork carried out to date (there
can be no assurance that gold recoveries in small scale laboratory tests will
be duplicated in large tests under on-site conditions or during production),
changes in world gold markets and equity markets, political developments in
the DRC, changes to regulations affecting the Company's activities,
uncertainties relating to the availability and costs of financing needed in
the future, the uncertainties involved in interpreting drilling results and
other geological data and the other risks involved in the gold exploration and
development industry. Any forward-looking statement speaks only as of the date
on which it is made and, except as may be required by applicable securities
laws, the Company disclaims any intent or obligation to update any
forward-looking statement, whether as a result of new information, future
events or results or otherwise. Although the Company believes that the
assumptions inherent in the forward-looking statements are reasonable,
forward-looking statements are not guarantees of future performance and
accordingly undue reliance should not be put on such statements due to the
inherent uncertainty therein.

    The mineral resource figures disclosed in this press release are
estimates and no assurances can be given that the indicated levels of gold
will be produced. Such estimates are expressions of judgment based on
knowledge, mining experience, analysis of drilling results and industry
practices. Valid estimates made at a given time may significantly change when
new information becomes available. While the Company believes that the
resource estimates included in this press release are well established, by
their nature resource estimates are imprecise and depend, to a certain extent,
upon statistical inferences which may ultimately prove unreliable. If such
estimates are inaccurate or are reduced in the future, this could have a
material adverse impact on the Company.
    Mineral resources are not mineral reserves and do not have demonstrated
economic viability. There is no certainty that mineral resources can be
upgraded to mineral reserves through continued exploration.





For further information:

For further information: please visit our website at www.banro.com, or
contact: Peter Cowley, President and C.E.O., United Kingdom, Tel: (44)
790-454-0856; Arnold T. Kondrat, Executive Vice-President, Toronto, Ontario,
or Martin Jones, Vice-President, Corporate Development, Toronto, Ontario, Tel:
(416) 366-2221 or 1-800-714-7938

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