Semafo: At-depth High-grade Extension Results at Mana



    Gold Values Include 4.09 g/t Au Over 48 Meters

    SEMAFO TSX-SMF

    MONTREAL, Aug. 7 /CNW Telbec/ - SEMAFO (TSX: SMF) today announced
additional results from its 2008 on-going exploration program at the Mana mine
in Burkina Faso. The recent core drilling program at Wona has returned the
most significant drill intercepts at Mana to date. Hole No. WDC70 has
intersected 4.09 g/t over a 48m length. This current drilling program confirms
the at-depth NE high-grade extension of Wona.
    The on-going exploration program involves core drilling on the previously
identified targets of the northeast extension of the Wona mineralization.
Initial reference was made to this potential mineralization in Semafo's
March 24 and June 17, 2008 press releases.
    Thus far, more than 12 diamond drill holes have been completed and have
all successfully intersected gold mineralization. Results received to date for
9 of the drill holes validate the presence of continuous mineralized zones
at-depth and substantially improve the overall valuation of the extension of
the main Wona deposit. These new results also confirm previous indications
that the mineralization hosts high-grade gold values. Further drilling is
ongoing and will continue through year-end.
    The following table presents the drilling results including the main
mineralization intersected and high-grade values.

    
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
               TABLE OF GOLD INTERSECTIONS - WONA NE EXTENSION
    -------------------------------------------------------------------------
    HOLE No.          FROM (m)       TO (m)     SECTION         Au/Length(*)
    -------------------------------------------------------------------------
    WDC63               113           146        16500        3.14 g/t / 33m
    -------------------------------------------------------------------------
      Including         124           136                     6.16 g/t / 12m
    -------------------------------------------------------------------------
    WDC64               152           206        16600        2.13 g/t / 54m
    -------------------------------------------------------------------------
      Including         194           201                      5.46 g/t / 7m
    -------------------------------------------------------------------------
    WDC65               158           186        16800        3.85 g/t / 28m
    -------------------------------------------------------------------------
      Including         171           180                      7.88 g/t / 9m
    -------------------------------------------------------------------------
    WDC66               172           188        17000        3.31 g/t / 16m
    -------------------------------------------------------------------------
      Including         178           186                      5.73 g/t / 8m
    -------------------------------------------------------------------------
    WDC67               175           181        17200         1.72 g/t / 6m
    -------------------------------------------------------------------------
    WDC68               194           219        17100        4.36 g/t / 25m
    -------------------------------------------------------------------------
    WDC69               120           155        16700        2.70 g/t / 35m
    -------------------------------------------------------------------------
      Including         133           144                     5.52 g/t / 11m
    -------------------------------------------------------------------------
    WDC70               228           276        16900        4.09 g/t / 48m
    -------------------------------------------------------------------------
      Including         265           274                     11.50 g/t / 9m
    -------------------------------------------------------------------------
    WDC71               293           342        16800        2.46 g/t / 49m
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    (*) All lengths are down-the-hole lengths; additional information is
        required to determine true widths.
    

    The area herein described is shown on the attached longitudinal section
displaying contoured grade-thickness product values in progressive cold to hot
colors.

    http://files.newswire.ca/357/Semafo.doc

    "Since its discovery, we have been convinced of the exceptional potential
of the Mana deposit," said Benoit La Salle, Semafo's President and CEO.
"Today, with the mine in operation and these outstanding exploration program
results, we can focus with confidence on increasing all the value parameters
of this project."
    Semafo's properties in Burkina Faso are within the Houndé
volcano-sedimentary belt. As described in previous technical reports, more
than one mineralization type has been recognized in the area, such as the
Nyafé deposit which is of vein-type in sheared volcanics and the Wona deposit,
which lies in meta-sediments. The latter is related to silicification which is
often brecciated and generally at proximity of a graphitic horizon.
    The drilling programs were designed and managed locally by Dofinta Bondé,
Mana Mineral's Exploration Chief Geologist and guided and supervised under the
direction of Michel Crevier P.Geo MScA, Geology Manager and Semafo's Qualified
Person who has reviewed this press release for accuracy and compliance with
the Canadian Instrument NI 43-101.
    All individual samples represented one-meter length of core drilling
which was sawn in half or one-meter length. One half core is kept on site as a
control with the identical sample sent for preparation and gold assaying at
the ALS Chemex laboratories in Ouagadougou, Burkina Faso. Each sample was fire
assayed for gold content on a 50-gram sub-sample at the same ALS Chemex
laboratories. Complementing ALS Chemex's own QA/QC (Quality Assurance /
Quality Control) program, an internal quality control and quality assurance
program was in place throughout the sampling program, using blind duplicates
and recognized industry standards.
    Mana is Semafo's newest mine located in Burkina Faso, approximately
200 km west of the capital Ouagadougou. The Mana mine's first gold pour took
place on March 31, with commercial production declared during the second
quarter 2008. Mana has a total of 924,600 ounces of gold mineral reserves,
317,800 ounces of measured and indicated resources and 1,867,100 ounces of
inferred resources. The Mana start-up marked the third time Semafo has
successfully brought a West African gold project into production.

    About SEMAFO

    Semafo is a Canadian-based mining company with gold production and
exploration activities in West Africa. The Company currently operates three
gold mines in Burkina Faso, Niger and Guinea. Semafo is committed to evolve in
a conscientious manner to become a major player in its geographical area of
interest, while maintaining principles and strengthening relationships to
increase shareholder value.

    FORWARD-LOOKING STATEMENTS

    This press release may contain forward-looking statements. These
forward-looking statements include, but are not limited to, statements
regarding expectations of the Company as to the market price of gold,
strategic plans, future commercial production, production targets, timetables,
mining operating expenses, capital expenditures, and mineral reserve and
resource estimates. Forward-looking statements involve known and unknown risks
and uncertainties and accordingly, actual results and future events could
differ materially from those anticipated in such statements. Factors that
could cause future results or events to differ materially from current
expectations expressed or implied by the forward-looking statements include,
but are not limited to, fluctuations in the market price of precious metals,
mining industry risks, uncertainty as to calculation of mineral reserves and
resources, risks related to hedging strategies, risks of delays in
construction, requirements of additional financing and other risks described
in the Company's documents filed from time to time with Canadian securities
regulatory authorities. Although the Company is of the opinion that these
forward-looking statements are based on reasonable assumptions, those
assumptions may prove to be incorrect. Accordingly, readers should not place
undue reliance on forward-looking statements. Readers can find further
information with respect to risks in the Annual Information Form of the
Company and other filings of the Company with Canadian securities regulatory
authorities available at www.sedar.com. The Company disclaims any obligation
to update or revise these forward-looking statements, except as required by
applicable law.




For further information:

For further information: SEMAFO: Benoit La Salle, President & CEO, (514)
744-4408, blasalle@semafo.com; Renmark Financial Communications Inc.: Maurice
Dagenais: mdagenais@renmarkfinancial.com; Jason Roy:
jroy@renmarkfinancial.com, (514) 939-3989, Fax: (514) 939-3717,
www.renmarkfinancial.com

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