Yamana Gold and Meridian Gold Provide Exploration Update



    TORONTO, Oct. 16 /CNW/ - YAMANA GOLD INC. (TSX:YRI)(NYSE:  AUY)(LSE:YAU)
and MERIDIAN GOLD INC. (TSX:MNG)(NYSE:  MDG) today announced a resource and
exploration update at the Gualcamayo gold project in Argentina, an update on
the Jacobina expansion project, and exploration updates for the El Penon mine
in Chile and the Mercedes project in Mexico.

    Gualcamayo, Argentina

    AIM Mineral Resources Update

    Yamana is pleased to report an update on resources for the marble and
skarn hosted Amelia Ines and Magdalena (AIM) satellite deposits located 1.0
and 1.5 km northwest of the main QDD deposit. The drill results received in
June have been incorporated into the previous resource estimate completed in
May, resulting in an increase in measured and indicated resources of 87,000
ounces and an additional 73,000 ounces of inferred resources. Current measured
and indicated resources now total 518,000 ounces of gold and inferred
resources are estimated at 170,000 ounces, as detailed in the table below:

    
    -------------------------------------------------------------------------
                                                            Grade  Contained
    Mineral Deposit             Resource Category   Tonnes     Au  Ounces Au
                                                    (000`s)  (gpt)    (000`s)
    -------------------------------------------------------------------------
                                         Measured      360   3.10         36
                                        Indicated    2,723   2.49        218
    Amelia Ines              Measured + Indicated    3,083   2.56        254

                                         Inferred      554   1.47         26
    -------------------------------------------------------------------------
                                         Measured      110   2.18          8
                                        Indicated    2,972   2.70        257
    Magdalena                Measured + Indicated    3,082   2.68        265

                                         Inferred    1,500   2.97        143
    -------------------------------------------------------------------------
                                         Measured      467   2.89         43
                                        Indicated    5,697   2.59        475
    Combined AIM             Measured + Indicated    6,164   2.61        518

                                         Inferred    2,054   2.57        170
    -------------------------------------------------------------------------
    

    Note: The Mineral Resources are classified as Measured Mineral Resources,
Indicated Mineral Resources and Inferred Mineral Resources and are based on
CIM Standards. The Mineral Resources were estimated using a cut-off grade of
0.5 grams of gold per tonne.
    The new resource model was prepared by Ron Simpson, P.Geo, from Geosim
Inc., who is an independent Qualified Person as defined by National Instrument
43-101. This new AIM resource estimate will be used to complete an AIM
feasibility study by the end of the year.
    Approximately 2,000 metres of infill and exploration drilling are planned
at Magdalena in order to convert inferred resources to the measured and
indicated categories. At Magdalena, infill hole 07QD-459 returned 2.44 grams
per tonne gold over 44.5 metres along the northern edge of the ore body. This
intersection falls within the current pit design and will increase in pit
mineable ounces.
    Additional drilling is planned to test the potential of a down dip
extension of the high grade channel area and to test the down plunge extension
of the deposit which may ultimately connect with the QDD Lower West area.
    A feasibility update in regards to the mining and processing of AIM ore
in addition to QDD ore is targeted by year-end.

    Gualcamayo Exploration Update

    Recent drilling at Gualcamayo has further defined continuity of
mineralization to the west and below the current QDD pit model and has also
confirmed the mineralization potential of the target 3D area, located one km
to the northwest of the QDD Lower West target area (Figures 1 and 2).
    The recent results from hole QD-445, 2.07 g/t Au over 186 metres,
including 5.55 g/t Au over 21 metres extend the QDD Lower West zone 100 metres
to the west. The follow up hole, QD-466, drilled 100 m above QD-445, returned
2.12 g/t Au over 74 m, including a higher grade core of 4.55 g/t Au over 29
metres.
    In mid-September, the Company began drilling a fan of 3 to 4 holes to the
south-southwest from the first drilling station at 430 metres along the
underground access, in order to determine the down dip extent of the system
and the possibility of similar scale dilational zones along the structure. The
first underground hole, QD-473, returned 2.25 g/t Au over 125 metres,
including 3.57 g/t Au over 60 metres, which enlarges the mineralized envelope
at the drill section by approximately 60 metres. Further cross cutting along
strike to the west followed by step-out and definition drilling is planned to
expand the mineral resources by end of 2007.
    Drilling to date indicates that the QDD Lower West zone represents a
large dilational zone or tensional gash with a strike length over 300 metres,
minimum down dip extent of 200 metres and average thickness of 160 metres.
    The most significant results from drilling at Gualcamayo, QDD Lower and
3D target areas are attached in Table 1.

    Jacobina, Brazil

    At Jacobina the 2007 drilling program has focused on Canavieiras, a
higher grade near mine target, at Morro do Vento East and on two regional
targets, Pindobacu and Entry Point. At Canavieiras a total of 9,626 metres of
diamond drilling was completed in 17 holes to infill and extend the two
kilometre southern extension of the conglomerate reefs, which were discovered
in 2006. Infill holes have been drilled at approximately 50 metres spacing
along 500 metres of strike length, and step out drill holes have extended the
mineralization a further 100 metres down dip. The table below highlights the
significant results of the new drill holes and major target areas (all true
width):

    
    -   CAN-129: 4.58 grams per tonne gold over 1.3 metres; 3.74 grams per
        tonne gold over 4.9 metres; 6.15 grams per tonne gold over 5.5 metres

    -   CAN-130: 4.59 grams per tonne gold over 9.7 metres; 10.98 grams per
        tonne gold over 1.3 metres

    -   CAN-136: 10.31 grams per tonne gold over 3.2 metres - CAN-138:
        16.01 grams per tonne gold over 1.3 metres; 5.91 grams per tonne gold
        over 12.9 metres; 12.25 grams per tonne gold over 2.3 metres

    -   CAN-142: 8.21 grams per tonne gold over 3.9 metres; 9.29 grams per
        tonne gold over 2.6 metres; 7.16 grams per tonne gold over 4.8 metres
    

    Three deep holes were completed at Morro do Vento to test the extension
of the Canavieiras deposit to the south. The first hole, MVT-425, located 2.6
kilometres south of Canavieriras, returned gold values of 2.32 grams per tonne
gold over 2.8 metres, 2.15 grams per tonne gold over 1.5 metres and 1.64 grams
per tonne gold over 1.1 metres, starting at a depth of 230 metres. The second
hole, MVT-442, located 1.6 kilometres north of MVT-425, intersected 1.28 grams
per tonne gold over 5.8 metres (including 3.35 grams per tonne gold over 0.8
metres), 1.54 grams per tonne gold over 2.3 metres, and 1.91 grams per tonne
gold over 1.9 metres. The third hole is currently in progress.
    The most significant results from the 2007 drilling program at
Canavieiras are attached in Table 2.
    At Pindobacu, located 65 kilometres north of the Jacobina mine, 52
diamond drill holes totaling 12,074 metres have been completed to date. Gold
mineralization has been traced along a strike length of 850 metres within a
steeply dipping shear zone at the contact between volcanic rocks and
metasediments. Current drilling has been targeting the deeper levels of the
ore zone and has demonstrated that gold mineralization is continuous to a
depth of at least 450 metres and is still open. Highlights from new holes at
the Pindobacu target include (all true width):

    
    - PB-36: 51.33 grams per tonne gold over 10.4 metres

    - PB-38: 1.88 grams per tonne gold over 2.6 metres

    - PB-39: 9.39 grams per tonne gold over 2.4 metres

    - PB-44: 3.23 grams per tonne gold over 1.8 metres

    - PB-45: 8.08 grams per tonne gold over 3.0 metres
    

    Pindobacu represents a significant underground mining opportunity and a
source of high grade ore for the Jacobina operation.

    El Penon, Chile

    In addition to the previously announced drilling results from the
recently discovered high grade Bonanza vein at El Penon, continued drilling
has extended the Bonanza vein northward a further 400 metres for a minimum
strike length of 800 metres. The mineralization remains open along strike to
the north and to depth. To the south the mineralization becomes narrow at
lower grades as the Bonanza vein bends to the southwest toward the Al Este
vein.
    Results from holes SAE0018, SBE0010 and SBE0013 continue to expand the
nucleus of high grade mineralization that is open in all directions. Hole
SBE0010 returned 2.95 metres true width grading 211 grams per tonne gold and
411 grams per tonne silver and is the highest grade intersection to date at
Bonanza.
    Three drill rigs are now drilling at Bonanza, with an emphasis toward
establishing the continuity of mineralization and extending the mineralization
along strike to the north and down dip (Figure 3).
    Bonanza vein drilling results are attached in Table 3.

    Mercedes, Mexico

    The Company is pleased to present new drilling results from the Klondike
and Mercedes veins in Mexico. Drill results from holes K07-030 to K07-051 have
continued to expand the Klondike ore shoot, which has now been traced along a
strike length of nearly 450 metres over a vertical range in excess of 220
metres. The core program is highlighted by hole K07-043, which intersected
3.88 grams per tonne gold and 31.5 grams per tonne silver over a true width of
55.07 metres. Ore grade values remain open at depth, as noted in holes
K07-035, (0.46 metres at 189.0 grams per tonne gold and 140.0 grams per tonne
silver) and K07-044 (3.0 metres at 10.02 grams per tonne gold and 107.6 grams
per tonne silver) (Figure 4).
    Klondike vein drilling results are attached in Table 4.
    Further drilling at the Mercedes vein tested deep extensions of the Casa
Blanca and Centinela ore shoots, as well as the northwest extension of the
high-grade Corona de Oro shoot. At Corona de Oro, current drilling has
extended vein mineralization over 300 metres on strike, between the 740 and
940-meter elevations. Initial assay results confirm the presence of
significant gold grades in one or more sub-parallel veins. Recent highlights
from the program include 5.52 grams per tonne gold and 8.0 grams per tonne
silver over a true width of 10.2 metres in hole M07-130 (740-meter elevation)
and 15.89 grams per tonne gold and 49.0 grams per tonne silver over a true
width of 1.1 meter in hole M07-134 (930-meter-elevation).
    Mercedes vein drilling results are attached in Table 5.
    At Rey de Oro, six core holes were completed to test down-dip extensions
of gold-silver mineralization encountered during previous reverse circulation
drilling. Zones of silicification and stockwork veining ranging in width from
10.0 to 70.0 metres were intersected in all six holes, with all assays
currently pending.
    The grades and widths of mineralization at Klondike suggest a significant
portion of the ore shoot may be amenable to open pit development. The drilling
at Mercedes has also confirmed that the high-grade Corona de Oro shoot is
still open both at depth and to the northwest along strike. Core drilling is
continuing with three rigs on the northwest extension of the Mercedes vein.

    Additional Exploration Update

    Yamana will provide a more extensive regional update on its significant
exploration activities and progress including continuing advancements at Pilar
de Goias and Pau-au-Pique in Brazil.

    Qualified Persons

    Evandro Cintra, P.Geo., Vice President, Exploration of Yamana Gold Inc.,
has supervised the exploration on the Gualcamayo project and has reviewed and
approved the contents of this press release and serves as the "Qualified
Person" as defined by National Instrument 43-101.
    Charles Robbins, P.Geo, a Senior Project Geologist of Meridian Gold, has
supervised the preparation of the El Penon technical data contained within
this release and serves as the "Qualified Person" as defined by National
Instrument 43-101.
    Mark Hawksworth, P. Geo., a Senior Project Geologist of Meridian Gold,
has supervised the preparation of the Mercedes Project technical data
contained within this release and serves as the "Qualified Person" as defined
by National Instrument 43-101.

    Quality Assurance and Quality Control

    Assaying for Yamana's exploration programs in Brazil was carried out by
SGS-Geosol, an ISO 9001, 2000 laboratory based in Belo Horizonte, and ACME
laboratory in Goiania using fire assay on 50 gram pulps. An industry standard
QA/QC program is active on all sites. Security is maintained at the core
logging and sampling facilities.
    Assaying for Yamana's exploration in Argentina was completed in
accordance with industry standards. Samples were submitted to Alex Stewart
Assayers, Argentina, S.A., in Mendoza, Argentina, for fire assay and ICP
analysis. Check assays were submitted to ALS Chemex in Santiago Chile, an
ISO-9001:2000 certified lab. Accuracy and precision of results is tested
through the systematic inclusion of standards, blanks and check assays.
    Assaying for Meridian's exploration at El Penon was completed in
accordance with industry standards. Samples were submitted to Acme
Laboratories in Santiago, Chile for fire assay. Accuracy and precision of
results is teste through a systematic inclusion of standards, blanks and check
assays.
    Assaying for Meridian's exploration at Mercedes was completed in
accordance with industry standards. Samples were submitted to ALS Chemex
Laboratories in Hermosillo, Sonora, Mexico for sample preparation and sample
pulps are then forwarded to ALS Chemex Laboratories in Vancouver, B.C. for
fire assay. Accuracy and precision of results is tested through a systematic
inclusion of standards, blanks and check assays.

    About Yamana

    Yamana is a Canadian gold producer with significant gold production, gold
development stage properties, exploration properties, and land positions in
Brazil, Argentina and Central America. Pending completion of the Meridian Gold
transaction, the company's portfolio will also include mines and properties in
Chile, Mexico and the United States. Yamana is producing gold at intermediate
company production levels in addition to significant copper production.
Company management plans to continue to build on this base through the
advancement of its exploration properties and by targeting other gold
consolidation opportunities in Brazil, Argentina and elsewhere in the
Americas.

    IMPORTANT NOTICE: This press release does not constitute an offer to buy
or an invitation to sell, any of the securities of Yamana, Northern Orion or
Meridian. Such an offer may only be made pursuant to a registration statement
and prospectus filed with the U.S. Securities and Exchange Commission and an
offer to purchase and circular filed with Canadian securities regulatory
authorities. Yamana has filed with the U.S. Securities and Exchange Commission
Registration Statements on Form F-10 as well as a Schedule TO tender offer
statement, both of which include the offer and take-over bid circular relating
to the Meridian offer as amended by notices of variation and extension. A
notice of extension and subsequent offering period will be mailed to Meridian
shareholders and filed with Canadian and US securities regulatory authorities
shortly. Investors and security holders are urged to read the Registration
Statements, the offer and take-over bid circular, the notices of variation and
extension and notice of extension and any other relevant documents filed with
the SEC and Canadian securities regulators, regarding the proposed business
combination transaction because they contain important information. Investors
may obtain a free copy of the offer and take-over bid circular, notices of
variation and extension, the notice of extension, the notice of extension and
subsequent offering period and other documents filed by Yamana with the SEC at
the SEC's website at www.sec.gov. The offer and take-over bid circular,
notices of variation and extension, the notice of extension, the notice of
extension and subsequent offering period and other documents may also be
obtained for free on Yamana's website at www.yamana.com or by directing a
request to Yamana's investor relations department.

    FORWARD-LOOKING STATEMENTS: This news release contains certain
"forward-looking statements" within the meaning of Section 21E of the United
States Securities Exchange Act of 1934, as amended and "forward-looking
information" under applicable Canadian securities laws. Except for statements
of historical fact relating to the company, certain information contained
herein constitutes forward-looking statements. Forward-looking statements are
frequently characterized by words such as "plan," "expect," "project,"
"intend," "believe," "anticipate", "estimate" and other similar words, or
statements that certain events or conditions "may" or "will" occur.
Forward-looking statements are based on the opinions and estimates of
management at the date the statements are made, and are subject to a variety
of risks and uncertainties and other factors that could cause actual events or
results to differ materially from those projected in the forward-looking
statements. These factors include possible variations in ore grade or recovery
rates, fluctuating metal prices, prices for sulphiric acid and currency
exchange rates, changes in project parametres, the possibility of project cost
overruns or unanticipated costs and expenses and general risks of the mining
industry, failure of plant, equipment or processes to operate as anticipated,
unexpected changes in mine life of Chapada, availability of a local market for
the sale of sulphiric acid, as well as those risk factors discussed or
referred to in the Company's annual Management's Discussion and Analysis and
Annual Information Form filed with the securities regulatory authorities in
all provinces of Canada and available at www.sedar.com, and the Company's
Annual Report on Form 40-F filed with the United States Securities and
Exchange Commission. Although the Company has attempted to identify important
factors that could cause actual actions, events or results to differ
materially from those described in forward-looking statements, there may be
other factors that cause actions, events or results not to be anticipated,
estimated or intended. There can be no assurance that forward-looking
statements will prove to be accurate, as actual results and future events
could differ materially from those anticipated in such statements. The Company
undertakes no obligation to update forward-looking statements if circumstances
or management's estimates or opinions should change. The reader is cautioned
not to place undue reliance on forward-looking statements.

    
    CAUTIONARY NOTE TO U.S. INVESTORS CONCERNING ESTIMATES OF MEASURED,
    INDICATED AND INFERRED RE

SOURCES This news release uses the terms "Measured", "Indicated" and "Inferred" Resources. United States investors are advised that while such terms are recognized and required by Canadian regulations, the United States Securities and Exchange Commission does not recognize them. "Inferred Mineral Resources" have a great amount of uncertainty as to their existence, and as to their economic and legal feasibility. It cannot be assumed that all or any part of an Inferred Mineral Resource will ever be upgraded to a higher category. Under Canadian rules, estimates of Inferred Mineral Resources may not form the basis of feasibility or other economic studies. United States investors are cautioned not to assume that all or any part of Measured or Indicated Mineral Resources will ever be converted into Mineral Reserves. United States investors are also cautioned not to assume that all or any part of an Inferred Mineral Resource exists, or is economically or legally mineable. Table 1 - Gualcamayo drilling results ------------------------------------- ------------------------------------------------------------------------- Hole Area From To Interval (i) Gold grade ------------------------------------------------------------------------- (m) (m) (m) g/t Au ------------------------------------------------------------------------- QD-445 Lower QDD 19.15 26.4 7.3 0.95 ------------------------------------------------------------------------- 86.55 95 8.5 0.51 ------------------------------------------------------------------------- 270.94 457.1 186.2 2.07 ----------------------------------------------------------------------- including 325.4 347 21.6 5.55 ------------------------------------------------------------------------- including 388.4 394.4 6 5.22 -------------------------------------------------- ---------------------- QD-447 Lower QDD 17.15 189.47 172.3 0.63 ------------------------------------------------------------------------- including 62.74 70.6 7.9 1.75 ------------------------------------------------------------------------- QD-450 Lower QDD 6 11.61 5.66 1.53 ------------------------------------------------------------------------- 23.7 51.1 27.45 1.62 ------------------------------------------------------------------------- including 38.40 51.1 12.7 2.7 ------------------------------------------------------------------------- 314.5 322.5 8 0.58 ------------------------------------------------------------------------- 360.7 366.9 6.25 0.79 ------------------------------------------------------------------------- 406.4 409.45 3.1 0.55 ------------------------------------------------------------------------- 465.3 469 3.7 2.97 ------------------------------------------------------------------------- QD-456 Lower QDD 17.7 19.75 2.05 0.87 ------------------------------------------------------------------------- 34.3 56.35 22.05 2.2 ------------------------------------------------------------------------- including 39.30 41.3 2 5.37 ------------------------------------------------------------------------- including 49.30 51.3 2 5.64 ------------------------------------------------------------------------- 207.5 212.97 5.49 3.59 ------------------------------------------------------------------------- 229 230.75 1.75 0.67 ------------------------------------------------------------------------- QD-463 Lower QDD 2.7 9.9 7.23 0.51 ------------------------------------------------------------------------- 17.5 21.27 3.76 0.43 ------------------------------------------------------------------------- 25.3 42.76 17.49 0.65 ------------------------------------------------------------------------- including 29.27 31.56 2.29 1.5 ------------------------------------------------------------------------- including 38.86 40.8 1.94 1.34 ------------------------------------------------------------------------- 103.4 104.65 1.25 3.77 ------------------------------------------------------------------------- 119.3 147.2 27.9 2.61 ------------------------------------------------------------------------- including 121.35 126.8 5.45 2.7 ------------------------------------------------------------------------- including 136.60 138.1 1.5 16.15 ------------------------------------------------------------------------- QD-443 Target 3D 25.4 26.66 1.3 0.63 ------------------------------------------------------------------------- 34.45 36.2 1.8 2.89 ------------------------------------------------------------------------- 61.65 62.8 1.2 3.45 ------------------------------------------------------------------------- 117.2 119.2 2 0.74 ------------------------------------------------------------------------- QD-446 Target 3D 14.68 16.5 1.8 2.57 ------------------------------------------------------------------------- 60.54 67.13 6.6 1.18 ------------------------------------------------------------------------- 129.17 136.25 7.1 0.62 ------------------------------------------------------------------------- 173.7 178.9 5.2 1.15 ------------------------------------------------------------------------- 207.9 208.8 0.9 0.82 ------------------------------------------------------------------------- QD-448 Target 3D 274.4 276.16 1.81 0.7 ------------------------------------------------------------------------- 282 300 18 0.98 ------------------------------------------------------------------------- including 285.95 287.9 1.95 1.17 ------------------------------------------------------------------------- including 293.65 295.6 1.95 2.19 ------------------------------------------------------------------------- QDR-451 Target 3D 136 138 2 1.03 ------------------------------------------------------------------------- 204 234 30 0.41 ------------------------------------------------------------------------- 246 250 4 1.13 ------------------------------------------------------------------------- 274 282 8 0.68 ------------------------------------------------------------------------- 372 374 2 1.08 ------------------------------------------------------------------------- QDR-452 Target 3D 180 196 16 1.00 ------------------------------------------------------------------------- including 184 196 12 1.21 ------------------------------------------------------------------------- 286 296 10 2.34 ------------------------------------------------------------------------- 316 326 10 1.07 ------------------------------------------------------------------------- 366 374 8 0.41 ------------------------------------------------------------------------- QDR-453 Target 3D 144 146 2 0.84 ------------------------------------------------------------------------- 168 172 4 0.61 ------------------------------------------------------------------------- 182 188 6 1.82 ------------------------------------------------------------------------- 226 228 2 2 ------------------------------------------------------------------------- QD-455 Target 3D 5.6 7.3 1.7 0.76 ------------------------------------------------------------------------- 61 67.1 6.15 1.02 ------------------------------------------------------------------------- including 60.95 63.9 2.95 1.79 ------------------------------------------------------------------------- 159.8 161.6 1.8 9.32 ------------------------------------------------------------------------- 173.7 190.62 16.92 3.35 ------------------------------------------------------------------------- including 173.70 174.86 1.16 3.07 ------------------------------------------------------------------------- including 177.92 181.5 3.58 8.74 ------------------------------------------------------------------------- including 184.30 190.62 6.32 3.34 ------------------------------------------------------------------------- 426.37 500.65 74.3 2.12 QD-466 Lower QDD including 451.45 480.15 28.7 4.55 ------------------------------------------------------------------------- Lower QDD 22.58 147.5 124.92 2.25 QD-473 (tunnel) including 43.25 102.75 59.5 3.57 ------------------------------------------------------------------------- QDR-459 Magdalena 51 53.8 2.79 0.83 ------------------------------------------------------------------------- (Infill) 63.8 66.1 2.26 2.52 ------------------------------------------------------------------------- 73 117.45 44.45 2.44 ------------------------------------------------------------------------- including 73.0 74.32 1.32 7.02 ------------------------------------------------------------------------- including 96.9 98.74 1.84 6.68 ------------------------------------------------------------------------- including 115.2 117.45 2.22 17.1 ------------------------------------------------------------------------- (i) True width is set to be determined pending further determination of the configuration of the ore body. Table 2 - Canavieiras drilling results -------------------------------------- ------------------------------------------------------------------------- Hole Area From To True Width Gold Grade ------------------------------------------------------------------------- (m) (m) (m) g/t Au ------------------------------------------------------------------------- CAN 129 Canavieiras 526.00 529.6 1.3 4.58 ------------------------------------------------------------------------- 586.00 599.92 4.9 3.74 ------------------------------------------------------------------------- 614.66 630.48 5.5 6.15 ------------------------------------------------------------------------- CAN 130 Canavieiras 673.32 698.8 9.7 4.59 ------------------------------------------------------------------------- including 673.32 684.6 4.3 8.36 ------------------------------------------------------------------------- 736.99 740.49 1.3 10.98 ------------------------------------------------------------------------- CAN 131A Canavieiras 432.00 442.00 3.9 2.32 ------------------------------------------------------------------------- 447.69 456.00 3.2 5.51 ------------------------------------------------------------------------- 464.00 475.58 4.5 2.86 ------------------------------------------------------------------------- CAN 132 Canavieiras 434.36 437.02 1.0 6.57 ------------------------------------------------------------------------- 444.4 454.2 3.5 8.45 ------------------------------------------------------------------------- including 444.4 451.93 2.7 10.20 ------------------------------------------------------------------------- CAN134 Canavieiras 189.74 190.73 0.8 3.16 ------------------------------------------------------------------------- 270.75 271.9 0.9 3.17 ------------------------------------------------------------------------- 323.19 326.15 2.2 4.54 ------------------------------------------------------------------------- 330.7 332.89 1.7 7.70 ------------------------------------------------------------------------- 391.72 398.74 5.3 2.63 ------------------------------------------------------------------------- including 391.72 393.25 1.2 9.69 ------------------------------------------------------------------------- CAN 135 Canavieiras 376.20 377.20 0.8 3.31 ------------------------------------------------------------------------- 566.25 569.98 2.9 2.38 ------------------------------------------------------------------------- CAN 136 Canavieiras 314.97 316.39 1.2 2.94 ------------------------------------------------------------------------- 334.63 335.29 0.6 2.56 ------------------------------------------------------------------------- 454.37 455.6 1.1 2.20 ------------------------------------------------------------------------- 469.32 473.03 3.2 10.31 ------------------------------------------------------------------------- including 508.09 509.31 1.1 9.70 ------------------------------------------------------------------------- 508.09 512.66 4.0 2.84 ------------------------------------------------------------------------- CAN 138 Canavieiras 415.29 419.47 3.8 2.97 ------------------------------------------------------------------------- 422.88 424.3 1.3 16.01 ------------------------------------------------------------------------- 471.86 485.9 12.9 5.91 ------------------------------------------------------------------------- including 479.13 485.9 6.2 10.98 ------------------------------------------------------------------------- 503.00 505.47 2.3 12.25 ------------------------------------------------------------------------- CAN 140 Canavieiras 509.06 523.01 10.9 3.48 ------------------------------------------------------------------------- 542.32 548.88 5.1 4.63 ------------------------------------------------------------------------- 559.56 566.8 5.6 4.76 ------------------------------------------------------------------------- 573.23 580.85 5.9 5.47 ------------------------------------------------------------------------- CAN 141 Canavieiras 330.53 336.09 5.0 2.47 ------------------------------------------------------------------------- 339.60 342.05 2.2 3.15 ------------------------------------------------------------------------- including 371.26 372.67 1.3 8.92 ------------------------------------------------------------------------- 365.88 372.67 6.1 2.19 ------------------------------------------------------------------------- 388.80 391.40 2.3 2.19 ------------------------------------------------------------------------- CAN 142 Canavieiras 347.36 351.62 3.9 8.21 ------------------------------------------------------------------------- 354.98 357.87 2.6 9.29 ------------------------------------------------------------------------- 388.08 391.50 3.1 3.38 ------------------------------------------------------------------------- 401.19 415.05 12.6 3.19 ------------------------------------------------------------------------- including 401.19 406.42 4.8 7.16 ------------------------------------------------------------------------- CAN 143 Canavieiras 384.8 385.63 0.8 2.59 ------------------------------------------------------------------------- 416.87 429.14 11.4 2.82 ------------------------------------------------------------------------- including 419.89 429.14 8.6 3.47 ------------------------------------------------------------------------- CAN 144 Canavieiras 446.89 450.48 3.4 3.56 ------------------------------------------------------------------------- 456.75 463.49 6.5 3.01 ------------------------------------------------------------------------- 487.26 495.70 8.1 3.52 ------------------------------------------------------------------------- 508.26 517.27 8.6 3.87 ------------------------------------------------------------------------- CAN 145 Canavieiras 437.5 451.57 9.6 2.32 ------------------------------------------------------------------------- 463.32 476.77 9.1 3.21 ------------------------------------------------------------------------- Table 3 - Bonanza vein drilling results --------------------------------------- ------------------------------------------------------------------------- Hz. Hole From To Width Au Ag Aueq (m) (m) (m) (g/t) (g/t) (g/t) ------------------------------------------------------------------------- ------------------------------------------------------------------------- SAE0013 300 303 1.62 0.44 46.5 1.29 ------------------------------------------------------------------------- SAE0018 373 374 0.52 36.60 112.0 38.64 ------------------------------------------------------------------------- SAE0019 347 349 1.13 5.80 204.1 9.51 ------------------------------------------------------------------------- SAE0020 289 290 0.56 0.29 16.3 0.59 ------------------------------------------------------------------------- SBE0001 319 321 1.19 0.42 5.5 0.52 ------------------------------------------------------------------------- SBE0002 405 407 1.13 0.45 7.7 0.59 ------------------------------------------------------------------------- SBE0004 403 405 0.97 3.72 100.9 5.55 ------------------------------------------------------------------------- SBE0006 442 443 0.47 14.30 181.0 17.59 ------------------------------------------------------------------------- SBE0007 342 344 1.00 4.65 90.6 6.30 ------------------------------------------------------------------------- SBE0009 398 405 3.62 15.02 116.8 17.14 ------------------------------------------------------------------------- SBE0010 376 383 2.95 210.81 411.1 218.28 ------------------------------------------------------------------------- SBE0012 449 450 0.39 5.70 253.0 10.30 ------------------------------------------------------------------------- SBE0013 357 361 1.94 39.41 230.2 43.60 ------------------------------------------------------------------------- SBE0014 396 402 2.64 16.40 265.2 21.22 ------------------------------------------------------------------------- SBE0015 373 375 0.91 3.48 67.7 4.71 ------------------------------------------------------------------------- SBE0017 421 446 10.11 21.19 127.4 23.51 ------------------------------------------------------------------------- (i)HZ equals Horizontal width Table 4 - Klondike vein drilling results ---------------------------------------- The following information is presented using a gold equivalent(1) cutoff grades of 0.5 and 2.0 grams per tonne: ------------------------------------------------------------------------- Cutoff True (g/t From To Width Au Ag Hole AuEq) (m) (m) (m) g/t g/t ------------------------------------------------------------------------- K07-030 0.5 240.20 249.26 6.00 1.01 29.0 ------------------------------------------------------------------------- K07-030 With 2.0 240.20 242.71 1.66 2.29 56.0 ------------------------------------------------------------------------- K07-031 0.5 111.30 114.35 2.70 2.75 18.0 ------------------------------------------------------------------------- K07-031 With 2.0 111.30 114.35 2.70 2.75 18.0 ------------------------------------------------------------------------- K07-032 0.5 105.20 112.78 5.40 0.83 18.0 ------------------------------------------------------------------------- K07-032 and 0.5 133.50 140.66 6.30 1.48 28.7 ------------------------------------------------------------------------- K07-032 With 2.0 137.16 140.21 2.68 2.60 34.0 ------------------------------------------------------------------------- K07-033 0.5 129.56 147.80 12.50 1.24 18.0 ------------------------------------------------------------------------- K07-033 With 2.0 141.40 143.45 1.40 6.20 28.7 ------------------------------------------------------------------------- K07-033 and 0.5 160.04 167.54 5.14 0.58 43.9 ------------------------------------------------------------------------- K07-034 0.5 128.02 164.16 24.00 1.20 23.7 ------------------------------------------------------------------------- K07-034 With 2.0 149.35 150.88 1.02 3.79 24.0 ------------------------------------------------------------------------- K07-034 and 2.0 155.45 158.50 2.02 2.05 19.5 ------------------------------------------------------------------------- K07-034 and 2.0 161.54 163.44 1.26 4.57 69.6 ------------------------------------------------------------------------- K07-035 0.5 228.60 237.20 6.02 14.99 38.8 ------------------------------------------------------------------------- K07-035 With 2.0 231.00 231.65 0.46 189.00 140.0 ------------------------------------------------------------------------- K07-036 0.5 239.00 242.60 2.55 4.21 37.0 ------------------------------------------------------------------------- K07-036 With 2.0 241.05 242.60 1.10 9.26 54.0 ------------------------------------------------------------------------- K07-037 NSV ------------------------------------------------------------------------- K07-038 0.5 178.30 195.07 15.50 0.58 16.9 ------------------------------------------------------------------------- K07-038 With 2.0 187.24 187.85 0.56 2.07 23.0 ------------------------------------------------------------------------- K07-039 0.5 240.00 245.36 4.10 0.83 6.4 ------------------------------------------------------------------------- K07-040 0.5 53.42 58.86 4.08 1.50 21.7 ------------------------------------------------------------------------- K07-040 With 2.0 53.42 54.60 0.89 4.69 52.0 ------------------------------------------------------------------------- K07-041 0.5 44.55 49.81 4.30 4.03 10.6 ------------------------------------------------------------------------- K07-041 With 2.0 45.50 49.81 3.52 4.69 11.6 ------------------------------------------------------------------------- K07-042 0.5 81.57 86.70 4.90 6.38 14.8 ------------------------------------------------------------------------- K07-042 With 2.0 82.30 86.70 4.20 7.34 15.9 ------------------------------------------------------------------------- K07-043 0.5 137.16 139.50 1.82 2.33 11.4 ------------------------------------------------------------------------- K07-043 With 2.0 137.16 139.50 1.82 2.33 11.4 ------------------------------------------------------------------------- K07-043 0.5 145.10 215.86 55.07 3.88 31.5 ------------------------------------------------------------------------- K07-043 With 2.0 145.10 161.54 12.80 3.48 15.0 ------------------------------------------------------------------------- K07-043 And 2.0 165.36 177.48 9.60 12.88 45.4 ------------------------------------------------------------------------- K07-044 0.5 225.55 239.65 11.00 3.08 59.5 ------------------------------------------------------------------------- K07-044 With 2.0 234.70 238.50 3.00 10.02 107.6 ------------------------------------------------------------------------- K07-045 2.0 228.86 230.64 1.20 4.34 55.3 ------------------------------------------------------------------------- K07-046 0.5 117.28 131.06 12.80 0.61 28.8 ------------------------------------------------------------------------- K07-047 NSV ------------------------------------------------------------------------- K07-048 0.5 47.93 57.91 4.20 0.58 30.5 ------------------------------------------------------------------------- K07-048 and 0.5 60.50 64.01 1.40 2.50 80.1 ------------------------------------------------------------------------- K07-049 0.5 31.32 40.82 7.60 0.75 18.3 ------------------------------------------------------------------------- K07-049 and 0.5 51.82 55.68 3.10 1.24 9.8 ------------------------------------------------------------------------- K07-050 Pending ------------------------------------------------------------------------- K07-051 0.5 47.25 98.04 44.70 1.24 15.5 ------------------------------------------------------------------------- K07-051 With 2.0 48.77 51.82 2.68 4.97 8.1 ------------------------------------------------------------------------- K07-051 and 2.0 93.93 96.64 2.39 7.28 57.7 ------------------------------------------------------------------------- (1) Gold equivalent grade calculated using a ratio of 150 Ag : 1 Au Table 5 - Mercedes drilling results ----------------------------------- The following information is presented using a gold equivalent(2) cutoff grades of 2.0 grams per tonne: ------------------------------------------------------------------------- True Hole Cutoff From To Width Au Ag ------------------------------------------------------------------------- (g/t AuEq) (m) (m) (m) g/t g/t ------------------------------------------------------------------------- M07-127 NSV - - - - - - ------------------------------------------------------------------------- M07-128 NSV - - - - - - ------------------------------------------------------------------------- M07-129 2.00 110.00 111.56 1.10 21.90 12.00 ------------------------------------------------------------------------- M07-129 and 2.00 413.90 416.08 1.60 6.14 62.70 ------------------------------------------------------------------------- M07-129 and 2.00 431.60 433.10 1.10 15.10 49.00 ------------------------------------------------------------------------- M07-129 and 2.00 459.03 462.08 1.75 6.52 17.90 ------------------------------------------------------------------------- M07-129 and 2.00 466.30 469.60 1.89 2.81 26.40 ------------------------------------------------------------------------- M07-129 and 2.00 475.79 477.32 0.88 6.98 59.00 ------------------------------------------------------------------------- M07-130 2.00 447.33 473.70 10.20 5.52 7.99 ------------------------------------------------------------------------- M07-131 NSV ------------------------------------------------------------------------- M07-132 NSV ------------------------------------------------------------------------- M07-133 NSV ------------------------------------------------------------------------- M07-134 2.00 289.00 290.50 1.10 15.89 48.50 ------------------------------------------------------------------------- M07-135 NSV ------------------------------------------------------------------------- M07-136 2.00 384.70 389.30 2.50 6.93 40.87 ------------------------------------------------------------------------- (2) Gold equivalent grade calculated using a ratio of 150 Ag : 1 Au To view figure 1 displaying the Gualcamayo Resource Area location of exploration, please visit the following link: http://files.newswire.ca/797/yam1015a.pdf To view figure 2 displaying the Gualcamayo QDD Lower West Target, please visit the following link: http://files.newswire.ca/797/yam1015b.pdf To view figure 3 of the Bonanza Vein, please visit the following link: http://files.newswire.ca/797/yri1016a.jpg To view figure 4 of the Mercedes Project, Klondike Main Shoot, please visit the following link: http://files.newswire.ca/797/yri1016b.jpg

For further information:

For further information: Yamana Gold Inc., Jodi Peake, Vice President,
Investor Relations, (416) 815-0220, Email: investor@yamana.com, Website:
www.yamana.com; or Meridian Gold Inc., Krista Muhr, Sr. Manager, Investor
Relations, 1-800-572-4519, Email: krista.muhr@meridiangold.com

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YAMANA GOLD INC.

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