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Press release from Marketwire

Nevsun Reports 75 m of 1.7% Copper and 3.0% Zinc at Hambok

Wednesday, September 04, 2013

Nevsun Reports 75 m of 1.7% Copper and 3.0% Zinc at Hambok

07:50 EDT Wednesday, September 04, 2013

VANCOUVER, BRITISH COLUMBIA--(Marketwired - Sept. 4, 2013) - Nevsun Resources Ltd. (TSX:NSU)(NYSE MKT:NSU) announces previously unreported assay results from drilling completed by the previous owner of the Mogoraib River exploration license that includes the Hambok mineral deposit.

HIGHLIGHTS

  • Drilling confirms continuity of the massive sulphide body
  • Hambok mineral deposit still open to the south, north and at depth
  • Further mineral resource definition drilling underway
  • Updated Mineral Resource estimate anticipated in early 2014
  • High potential exploration targets in immediate mineral deposit area

Select high grade results include:

  • HAM-10-062: 79.1 m @ 1.56% Cu, 2.02% Zn from 189.1 - 268.2 m in massive sulphide
  • HAM-12-076: 47.9 m @ 1.48% Cu, 2.35% Zn from 213.8 - 261.7 m in massive sulphide
  • HAM-12-078: 75.4 M @ 1.70% Cu, 2.95% Zn from 192.5 - 267.9 m in massive sulphide
  • HAM-12-084: 47.0 m @ 1.50% Cu, 2.65% Zn from 141.6 - 188.5 m in massive sulphide

Assay results are from the thickest and best developed part of the Hambok deposit.

Nevsun reports that Bisha has started a resource definition drilling program at Hambok with expectation that the results will be included in a mineral resource estimate for Hambok that will be part of an overall resource and reserve estimate in Q1 2014 for the Bisha area deposits, effective December 31, 2013. A total of 2,713 metres in 8 holes were completed prior to the onset of the summer rainy season that has temporarily halted work until September. Assay results from these holes are pending.

Hambok is a copper-zinc massive sulphide mineral deposit located 16 kilometers southwest of Nevsun's Bisha Mine that represents potential additional feed for Bisha. Hambok is on the 97.4 square kilometer Mogoraib River exploration license acquired in October 2012.

The deposit consists of a single massive sulphide lens that is steeply east dipping and lenticular in shape. The massive sulphide lens extends for over 1,000 metres along strike and 350 metres on dip. The distribution of base metal values is regular within the sulphide body. The best grades generally occur nearer to surface along the top and outer edges in the central area of the body. The massive sulphide lens is open to the north and south and there is limited drilling at depth.

In 2009, the previous owner of the Hambok property completed 52 historical diamond drill holes totaling 11,984 metres on the deposit. Between 2010 and 2012 an additional 33 holes totaling 10,923 metres of in-fill diamond drilling and 42 holes totaling 2,675 metres of RC (reverse circulation) drilling targeting near surface gold potential was completed to further evaluate this mineral deposit. Much of the drilling completed in 2012 had not been assayed prior to the purchase of the Mogoraib River exploration license. Bisha has now finished this work and the results for all holes drilled between 2010 and 2012 are reported in this release.

Bisha believes that there is significant expansion potential at Hambok and in the immediate area. Compilation of a historical ground EM, IP (induced polarization) and soil geochemical data has highlighted possible extensions to the mineral deposit along strike and to the immediate west of the mineral deposit. In addition, encouraging mineralization (e.g. 29.0 metres (drilled length) grading 0.83 grams per tonne Au, 0.71% Cu, 3.36% Zn including 10 metres grading 1.23 grams per tonne Au, 1.10% Cu, 5.94% Zn in hole ANK-006) has been intersected in the Aderat area located approximately 5 kilometres along strike to the north of Hambok by the previous owner. A program of trenching has been initiated at this target with follow-up drilling planned for later in 2013.

TABLE 1: Hambok Drill Hole Data from holes drilled by previous owner, 2010 to 2012 (1)
Hole ID From (m) To (m) Cu (%) Zn (%) Au (g/t) Ag (g/t) Length (m)
HAM-10-062 189.1 268.2 1.56 2.02 0.2 13.6 79.1
HAM-10-063 185.2 263.1 1.05 1.93 0.2 11.4 78.0
HAM-10-064 188.3 260.0 0.78 1.88 0.2 8.5 71.7
HAM-11-066 138.9 177.3 0.64 1.24 0.2 6.1 38.4
HAM-11-067 232.2 285.4 0.85 1.30 0.1 6.3 53.2
HAM-11-068 145.3 174.4 0.67 1.73 0.1 4.1 29.2
HAM-11-069 227.1 298.1 0.56 0.92 0.2 4.4 71.0
HAM-11-071 245.7 327.1 0.97 1.50 0.2 4.4 81.4
HAM-12-072 260.2 301.9 1.12 1.94 0.1 4.9 41.7
HAM-12-074 242.5 341.9 0.65 0.59 0.2 4.3 99.4
HAM-12-076 213.8 261.7 1.48 2.35 0.2 10.5 47.9
HAM-12-077 205.7 244.2 0.73 1.17 0.2 5.9 38.5
HAM-12-078 192.5 267.9 1.70 2.95 0.3 16.9 75.4
HAM-12-079 191.5 257.0 0.72 2.43 0.1 10.3 65.5
HAM-12-080 203.3 268.3 0.70 2.19 0.2 8.4 65.0
HAM-12-081 188.7 220.0 0.59 1.33 0.1 6.7 31.3
HAM-12-082 197.4 236.8 0.55 1.40 0.2 4.6 39.4
HAM-12-083 214.4 258.9 0.75 1.75 0.2 5.3 44.6
HAM-12-084 141.6 188.5 1.50 2.65 0.3 11.5 47.0
HAM-12-085 118.2 157.7 0.69 1.76 0.2 5.9 39.5
HAM-12-086 140.8 189.3 0.67 0.61 0.3 5.3 48.5
HAM-12-087 205.3 239.7 0.87 2.61 0.2 9.8 34.4
HAM-12-088 291.2 331.6 0.56 1.49 0.3 5.9 40.4
HAM-12-089 305.8 356.7 0.56 1.37 0.2 5.8 50.9
HAM-12-090 293.3 361.8 0.57 1.75 0.2 8.8 68.5
HAM-12-091 281.5 370.3 0.56 1.57 0.2 9.1 88.8
HAM-12-092 296.0 385.6 0.49 0.97 0.2 5.1 89.6
HAM-12-094 286.3 378.1 0.53 0.56 0.2 4.0 91.8
HAM-12-095 289.0 379.6 0.46 0.64 0.1 4.2 90.6
HAM-12-096 293.9 371.6 0.55 0.79 0.2 4.0 77.7

(1) Drill holes without significant mineralization have been excluded from the above table (holes 65, 70, 73, 75, 93).
A renewal for the Mogoraib River exploration license is pending as of the date of this news release.

TABLE 2: Location of drill holes for which results are being reported
Hole ID Easting (mUTM) Northing (mUTM) Elevation (mabmsl) Hole Depth Azimuth Dip
HAM-10-062 329143.3 1705039.6 628.6 280 285 -50
HAM-10-063 329119.5 1704947.8 628.3 280 285 -50
HAM-10-064 329166.9 1705093.0 627.8 277 285 -50
HAM-10-065 328833.1 1704498.9 632.1 137 285 -50
HAM-11-066 329176.2 1705319.3 627.9 189 285 -50
HAM-11-067 329260.2 1705291.1 626.7 295 278.5 -50
HAM-11-068 329154.1 1705225.9 628.3 190 280 -50
HAM-11-069 329236.2 1705197.2 626.8 313 280 -50
HAM-11-070 329355.0 1704980.0 614.0 550 285 -60
HAM-11-071 329198.3 1704980.4 620.0 340 285 -50
HAM-12-072 329163.6 1704886.9 617.0 328 285 -50
HAM-12-073 329395.0 1704913.0 612.0 529 285 -60
HAM-12-074 329227.0 1705116.0 614.0 352 285 -50
HAM-12-075 329323.0 1704853.0 618.0 514 285 -60
HAM-12-076 329110.0 1704904.0 618.0 280 285 -50
HAM-12-077 329095.0 1704853.0 620.0 277 285 -50
HAM-12-078 329143.0 1704998.0 619.0 283 285 -50
HAM-12-079 329177.0 1705131.0 613.0 265 285 -50
HAM-12-080 329197.0 1705164.0 619.0 283 285 -50
HAM-12-081 329201.0 1705216.0 620.0 238 285 -50
HAM-12-082 329217.0 1705260.0 618.0 253 285 -50
HAM-12-083 329231.0 1705316.0 617.0 274 285 -50
HAM-12-084 329093.0 1705014.0 619.0 208 285 -50
HAM-12-085 329109.0 1705176.0 620.0 172 285 -50
HAM-12-086 329057.8 1704921.1 618.0 214 285 -50
HAM-12-087 329233.0 1705361.1 624.0 255 285 -50
HAM-12-088 329318.7 1705335.7 622.0 351 285 -50
HAM-12-089 329327.4 1705285.9 621.0 375 285 -50
HAM-12-090 329308.9 1705235.0 622.0 377 285 -50
HAM-12-091 329289.1 1705190.2 615.0 376 285 -50
HAM-12-092 329276.4 1705098.9 619.0 398 285 -55
HAM-12-093 328795.0 1705324.0 621.0 300 105 -50
HAM-12-094 329286.7 1705139.0 613.0 391 285 -50
HAM-12-095 329262.1 1705069.2 617.0 394 285 -55
HAM-12-096 329255.0 1705012.8 617.0 385 285 -55

Quality Assurance

A Quality Assurance/Quality Control program was part of the sampling program on the Hambok deposit. This program includes chain of custody protocols as well as systematic use of standards, duplicates and blank samples into the flow of samples produced by the sampling. Results from work by the previous owner are acceptable.

Samples were prepared at African Horn Testing Services (Eritrea) and analyzed at Genalysis Laboratories (a NATA registered laboratory) in Perth, Western Australia.

Drilling intercepts lengths only are reported in the tables and text above; it is estimated that true width will be approximately 85% of the mineralized intersections reported.

Mr. Paul Gribble C.Eng., FIMMM, BMSC's Chief Resource Geologist has been overseeing the drilling and resource work at Hambok and is a Qualified Person as defined by NI 43-101. Mr. Gribble has reviewed the technical content of this press release and approved its dissemination.

Forward-Looking Statements

The above contains forward-looking statements or forward-looking information within the meaning of the United States Private Securities Litigation Reform Act of 1995, and applicable Canadian securities laws. Forward-looking statements are frequently, but not always, identified by words such as "expects," "anticipates," "believes," "intends," "estimated," "potential," "possible" and similar expressions, or statements that events, conditions or results "will," "may," "could" or "should" occur or be achieved. Forward-looking statements are statements concerning the Company's current beliefs, plans and expectations about the future \and are inherently uncertain.
The actual achievements of the Company or other future events or conditions may differ materially from those reflected in the forward-looking statements due to a variety of risks, uncertainties and other factors, including, without limitation, the risks that: (i) any of the assumptions in the historical resource estimates turn out to be incorrect, incomplete, or flawed in any respect; (ii) the methodologies and models used to prepare the resource and reserve estimates either underestimate or overestimate the resources or reserves due to hidden or unknown conditions, (iii) exploration activities or the mine operations are disrupted or suspended due to acts of god, internal conflicts in the country of Eritrea, unforeseen government actions or other events; (iv) the Company experiences the loss of key personnel; (v) the Company's exploration activities or operations are adversely affected by other political or military, or terrorist activities; (vi) the Company becomes involved in any material disputes with any of its key business partners, lenders, suppliers or customers; (vii) the Company is subjected to any hostile takeover or other unsolicited attempts to acquire control of the Company; (viii) the Company is subject to any adverse ruling in any of the pending litigation to which it is a party; (ix) the Company incurs unanticipated costs as a result of the transition from the oxide phase of the Bisha mining operations to the copper phase in 2013; or (x) are associated with the speculative nature of exploration activities, periodic interruptions to exploration, failure of drilling, processing and mining equipment, the interpretation of drill results and the estimation of mineral resources and reserves, changes to exploration and project plans and parameters, obtaining extensions or renewals to licences, concessions, permits or consents from governmental authorities and other risks are more fully described in the Company's Management Discussion and Analysis for the fiscal year ended December 31, 2012, which is incorporated herein by reference. The Company's forward-looking statements are based on the beliefs, expectations and opinions of management on the date the statements are made and the Company assumes no obligation to update such forward-looking statements in the future, except as required by law. For the reasons set forth above, investors should not place undue reliance on the Company's forward-looking statements.

Please see the Company's Annual Information Form for the fiscal year ended December 31, 2012, and the Company's Management Discussion and Analysis for the year ended December 31, 2012, for a more complete discussion of the risk factors associated with our business.

About Nevsun Resources Ltd.

Nevsun Resources Ltd. is a Vancouver-based mining company with an operating mine in Eritrea. Nevsun's 60%-owned Bisha Mine commenced commercial production in February 2011 and ranks as one of the highest grade open pit copper mines in the world.

NEVSUN RESOURCES LTD.

Cliff T. Davis, President & Chief Executive Officer

To view figure 1, please visit the following link: http://media3.marketwire.com/docs/NevFig1.pdf.

To view figure 2, please visit the following link: http://media3.marketwire.com/docs/NevFig2.pdf.

FOR FURTHER INFORMATION PLEASE CONTACT:

Contact Information:
Kin Communications
604 684 6730 or Toll free: 1 866 684 6730
nsu@kincommunications.com
www.nevsun.com

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