Endeavour Mining Corporation

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Message: Endeavour Discovers Potential Heap Leach Satellite Deposit at

Ity Mine in Cote d'Ivoire

2016-10-13 08:39:00 AM ET (GlobeNewswire)

<b>Colline Sud Discovery Highlights:</b>

-- Discovery situated 2.5 kilometers from the current processing plant

-- Close-to-surface oxide mineralization suggests potential to extend the existing heap leach operation as a satellite deposit

-- Additional drilling campaign to test extensions is expected to begin in November

-- Maiden Colline Sud resource estimate expected in Q4-2016

Endeavour Mining Corporation (TSX:EDV)(OTCQX:EDVMF) is pleased to announce a new discovery at its Ity gold mine in Côte d'Ivoire, called Colline Sud, situated 2.5 kilometers from the current processing plant.

The oxide mineralization encountered at Colline Sud could serve as a satellite deposit to potentially extend the current heap leach operation.

The Colline Sud mineralization occurs at or very near the surface and in two distinct areas referred to as the South East and North West sectors, with respective strike lengths of 500 meters and 350 meters. The mineralization in both sectors remains open at depth and in the North West sector also along strike.

Similar to other targets identified on the Ity property, Colline Sud is a historical gold in soil anomaly. A short shallow drilling campaign was first conducted to confirm mineralization which was then followed-up with the recently completed 116-hole reverse-circulation ("RC") and diamond-drilling ("DD") program totalling 11,955 meters.

Patrick Bouisset, Executive Vice-President Exploration and Growth of Endeavour, commented: "This new discovery - the second announced at Ity since September - along with the other targets outlined by historic geochemistry and our recent auger drilling program, demonstrates the prolific geological context of this district.

Though smaller than the recently announced Bakatouo discovery, we believe Colline Sud provides the potential to extend the current heap leach operation. As we increase our exploration activity, we are excited to pursue and expand our ongoing exploration program to other identified targets."

Some of the selected best intercepts include (estimated true widths):

-- S1909: 6.7m @ 10.02 g/t Au including 1.0m @ 29.87 g/t Au

-- CS15-008: 13.1m @ 12.34 g/t Au including 1.1m @ 33.65 g/t and 0.5m @ 102.36 g/t Au

-- CS15-008: 4.4m @ 33.31 g/t Au including 1.1m @ 93.14 g/t Au

-- CS15-020: 8.5m @ 3.05 g/t Au

-- CS15-020: 13.9m @ 2.83 g/t Au

-- CS15-027: 7.7m @ 5.76 g/t Au including 0.8m @ 48.78 g/t Au

-- CS15-033: 5.0m @ 24.77 g/t Au including 1.1m @ 61.07 g/t Au

-- CS16-076: 6.7m @ 6.08 g/t Au including 1.4m @ 25.03 g/t Au

-- CS16-085: 18.4m @ 15.89 g/t Au including 1.0m @ @69.44g/t Au and 1.0m @ 85.37 g/t Au

-- CS16-097: 15.5m @ 4.61 g/t including Au 1.0m @ 40.60 g/t Au

-- CS16-097: 18.4m @ 4.45 g/t including Au 1.0m @ 27.07 g/t Au

The Colline Sud mineralization is mainly hosted by surficial oxidized clays. In the South East sector it is oriented at N45 azimuth along strike and dipping on average at 55 degrees to the NW. It sits above some enhanced dissolution areas located at the contact between marbles and volcanosediments. Mineralization is also hosted in volcanosediment and skarnoide marble at depth. The contact between carbonate and volcanosediments could represent a possible shearing zone, which may have favoured posterior circulation of fluids linked with neighbouring intrusives. Skarns facies are also present, although less developed than in Mount Ity or in the recently announced Bakatouo discovery. Ore bodies in Colline Sud are also thinner and less developed than at Bakatouo.

<b><b>Next Steps</b> </b>

<b>A maiden resource is expected to be published during the fourth quarter of 2016 for both Colline Sud and the previously announced Bakatouo discovery. </b>

<b>Endeavour intends to resume exploration in and around the Ity mine after the end of the rainy season in November, with up to six drill rigs expected to be operational. A follow-up 3,700 meter RC and DD drilling program is planned on Colline Sud to test the extensions and conduct infill drilling. In addition, an 8,000 meter DD drilling campaign is also planned on Bakatouo. Other nearby targets are also being explored, as shown in Figure 1 of the appendix.</b>

The CIL Feasibility Study for the Ity mine is on-track for completion in the fourth quarter of 2016.

<b><b>Qualified Person </b></b>

<b>The scientific and technical content of this news release has been reviewed, verified and compiled by Gérard de Hert, EurGeol, Senior VP West Africa Exploration for Endeavour Mining. Gérard de Hert has more than 19 years of mineral exploration and mining experience, and is a "Qualified Person" as defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101"). </b>

<b><b>Assays and Quality Assurance/Quality Control </b></b>

<b>The Colline Sud drilling results presented in this new release have been prepared in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects. Drill core (HQ and NQ) and RC samples were crushed and pulverized on site at the exploration mechanical preparation facility. The pulverized samples (pulps) were analyzed using a standard 50-gram gold fire assay with an Atomic Absorption finish at Bureau Veritas Laboratories in Abidjan (independent lab). Sampling and assay data were monitored through a quality assurance/quality control program designed to follow NI 43-101 and industry best practice.</b>

<b><b>About Endeavour Mining Corporation</b> </b>

Endeavour Mining is a TSX-listed intermediate gold producer, focused on developing a portfolio of high quality mines in the prolific West-African region, where it has established a solid operational and construction track record.

Endeavour is ideally positioned as the major pure West-African multi-operation gold mining company, operating 5 mines in Côte d'Ivoire (Agbaou and Ity), Burkina Faso (Karma), Mali (Tabakoto), and Ghana (Nzema). In 2016, it expects to produce between 575koz and 610koz at an AISC of US$870 to US$920/oz. Endeavour is currently building its Houndé project in Burkina Faso, which is expected to commence production in Q4-2017 and to become its flagship low-cost mine with an average annual production of 190koz at an AISC of US$709/oz over an initial 10-year mine life based on reserves. The development of the Houndé project is expected to lift Endeavour's group production +900kozpa and decrease its average AISC to circa $800/oz by 2018, while exploration aims to extend all mine lives to +10 years.

<b><b>Contact Information</b> <b> </b></b>

Martino De Ciccio                  DFH Public Affairs in Toronto
VP - Strategy & Investor Relations John Vincic
+33 (0)1 70 38 36 95               (416) 206-0118 x.224
mdeciccio@endeavourmining.com      jvincic@dfhpublicaffairs.com
                                   Brunswick Group LLP in London
                                   Carole Cable, Partner
                                   +44 7974 982 458
                                   ccable@brunswickgroup.com

<b>Corporate Office: 5 Young St, Kensington, London W8 5EH, UK </b>

This news release contains "forward-looking statements" including but not limited to, statements with respect to Endeavour's plans and operating performance, the estimation of mineral reserves and resources, the timing and amount of estimated future production, costs of future production, future capital expenditures, and the success of exploration activities. Generally, these forward-looking statements can be identified by the use of forward-looking terminology such as "expects", "expected", "budgeted", "forecasts", and "anticipates". Forward-looking statements, while based on management's best estimates and assumptions, are subject to risks and uncertainties that may cause actual results to be materially different from those expressed or implied by such forward-looking statements. Accordingly, readers should not place undue reliance on forward-looking statements. Please refer to Endeavour's most recent Annual Information Form filed under its profile at www.sedar.com for further information respecting the risks affecting Endeavour and its business.

<b><b>Appendix A: Plan maps and Cross-Section</b> </b>

<b>Figure 1: Ity Mine Exploration Drilling Targets </b>

<b>Figure 2: Colline Sud Drilling Area </b>

<b>

</b><b>Figure 3: Cross-Section </b>

<b>

</b>

<b><b><b>Appendix B: Drill Results - Selected Drill Holes </b></b></b>

Hole ID  Type Easting   Northing  Final Depth From  To    Estimated   Au Grade
                                                          True Length
              (UTM 29N) (UTM 29N) (m)         (m)   (m)   (m)         (g/t)
S1909    DDH  597758    758109    141.1       2.0   6.8   4.6         0.71
                                  and         13.6  20.5  6.7         10.02
                                  including   15.2  16.0  0.8         22.19
                                  including   17.5  18.5  1.0         29.87
                                  including   18.5  19.0  0.5         35.10
S1914    DDH  597817    757854    174.5       22.0  26.0  3.9         0.79
                                  and         59.5  63.3  3.7         2.24
                                  and         87.0  90.3  3.1         2.65
                                  and         121.0 124.5 3.3         1.96
                                  and         139.3 142.5 3.1         0.64
                                  and         147.1 151.9 4.7         1.54
                                  and         161.4 173.2 11.4        1.13
CS15-008 DDH  597920    757857    70.8        7.8   21.4  13.1        12.34
                                  including   8.6   9.7   1.1         33.65
                                  including   9.7   10.2  0.5         102.36
                                  including   14.0  15.0  1.0         11.53
                                  including   15.0  16.2  1.1         29.73
                                  and         26.9  31.5  4.4         33.31
                                  including   28.7  29.8  1.1         93.14
                                  including   29.8  30.6  0.7         44.74
CS15-020 DDH  597841    757794    146.7       17.0  21.0  3.9         2.18
                                  and         25.2  34.0  8.5         3.05
                                  and         47.0  54.0  6.8         2.80
                                  and         72.5  74.8  2.2         3.81
                                  and         82.7  97.0  13.9        2.83
CS15-027 DDH  597898    757877    107.9       16.6  21.0  4.3         3.24
                                  and         61.0  69.0  7.7         5.76
                                  including   66.5  67.3  0.8         48.78
CS15-033 DDH  597847    757827    70.2        3.0   7.2   4.1         1.20
                                  and         43.0  47.3  4.2         1.27
                                  and         48.5  53.6  5.0         24.77
                                  including   49.2  50.3  1.1         61.07
                                  including   50.8  52.0  1.2         35.55
                                  including   52.0  52.9  0.8         14.41
CS15-037 DDH  597880    757794    114.0       5.5   16.1  10.2        1.96
                                  and         18.1  20.6  2.4         1.44
                                  and         22.1  25.1  2.9         1.21
                                  and         30.0  38.0  7.7         2.60
                                  and         40.0  47.0  6.8         0.65
                                  and         51.9  56.0  4.0         0.72
                                  and         96.9  102.9 5.8         2.69
                                  including   99.9  100.9 1.0         11.15
                                  and         103.9 106.9 2.9         2.39
CS15-038 DDH  597925    757746    60.0        3.0   8.2   5.0         0.99
CS15-041 DDH  597877    757850    137.7       33.9  36.5  2.5         60.94
                                  including   33.9  34.7  0.8         51.08
                                  including   34.7  35.6  0.9         126.38
                                  and         38.4  42.9  4.3         4.35
                                  including   38.4  39.0  0.6         13.19
                                  including   39.0  39.8  0.7         13.05
                                  and         44.0  46.7  2.6         2.72
                                  and         48.0  58.2  9.8         5.07
                                  including   48.9  49.6  0.7         16.04
                                  including   49.6  51.0  1.4         21.83
                                  including   56.0  57.0  1.0         11.79
                                  and         65.0  80.0  14.5        1.55
CS16-071 DDH  597794    757874    90.3        5.7   7.8   2.0         0.57
CS16-072 DDH  597703    757652    114.6       32.4  37.0  4.4         1.18
                                  and         65.6  69.7  4.0         11.39
                                  including   69.0  69.7  0.7         63.39
                                  and         72.0  75.2  3.1         1.33
                                  and         88.4  93.0  4.5         1.16
CS16-076 DDH  597749    757999    104.7       6.1   13.0  6.7         6.08
                                  including   8.9   10.3  1.4         25.03
                                  and         19.1  21.6  2.4         0.81
CS16-085 RC   597725    757665    79.0        26.0  35.0  8.7         2.60
                                  including   27.0  28.0  1.0         15.06
                                  and         60.0  79.0  18.4        15.89
                                  including   69.0  70.0  1.0         69.44
                                  including   72.0  73.0  1.0         12.19
                                  including   73.0  74.0  1.0         20.57
                                  including   74.0  75.0  1.0         85.37
                                  including   75.0  76.0  1.0         14.84
                                  including   77.0  78.0  1.0         32.91
                                  including   78.0  79.0  1.0         39.18
CS16-089 RC   597778    757679    80.0        33.0  46.0  12.6        2.57
                                  including   44.0  45.0  1.0         11.26
                                  and         68.0  72.0  3.9         0.79
CS16-092 RC   597820    757709    89.0        5.0   10.0  4.8         0.61
                                  and         14.0  18.0  3.9         1.29
                                  and         28.0  34.0  5.8         3.13
CS16-097 RC   597867    757769    80.0        6.0   22.0  15.5        4.61
                                  including   13.0  14.0  1.0         10.31
                                  including   16.0  17.0  1.0         40.60
                                  and         34.0  41.0  6.8         1.47
                                  and         48.0  67.0  18.4        4.45
                                  including   56.0  57.0  1.0         27.07
                                  including   57.0  58.0  1.0         18.38
                                  including   64.0  65.0  1.0         10.41
CS16-098 RC   597901    757767    60.0        2.0   5.0   2.9         0.54
                                  and         8.0   12.0  3.9         0.89
                                  and         24.0  30.0  5.8         0.56

<b>Cut-off grades are 0.5g/t Au; only intervals greater than 2.0m estimated true width are reported. Uncapped assays were used. All holes were drilled with Azimuth of 135° and Dip of -50°. </b>

Click here to view the complete drill results.

View News Release in PDF Format http://hugin.info/171882/R/2048822/766088.pdf

Colline Sud Drill Results http://hugin.info/171882/R/2048822/766089.pdf

Exploration Drilling Targets http://hugin.info/171882/R/2048822/766091.jpg

Drilling Area http://hugin.info/171882/R/2048822/766093.jpg

Cross-Section http://hugin.info/171882/R/2048822/766096.jpg

http://www.globenewswire.com/newsroom/ti?nf=MTMjMTAxNjU1OTQjMzc5Mjc=

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