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      NexGen Continues to Intersect High-Grade Mineralization in all A2 and A3 Targets Highlighting Strength of Continuity at Arrow


      News provided by

      NexGen Energy Ltd.

      Jul 10, 2019, 06:30 ET

      Share this article

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      VANCOUVER, July 10, 2019 /PRNewswire/ - NexGen Energy Ltd. ("NexGen" or the "Company") (TSX: NXE, NYSE MKT: NXE) is pleased to report radioactivity results for an additional forty holes comprising 18,166.5 m from the Company's Feasibility stage drilling program at our 100% owned, Rook I property in the Athabasca Basin, Saskatchewan.

      Conversion of Indicated to Measured

      This current phase of the 2019 drilling program is targeting the A2 and A3 High-Grade Domain mine planning sections at a spacing between 9.0 m and 16.7 m based on a geostatistical data spacing report compiled by Clayton V. Deutsch from Resource Modeling Solutions. All drill holes are collared at a steep inclination, then shallowed out between -55° and -60° before intersecting the target by utilizing the latest in directional drilling technology.  

      Highlights:

      A2 High-Grade Domains and Sub-Zone

      The highlights below include composite and off-scale radioactivity results from the A2 only, for radioactivity results for the entire hole see Table 1: Arrow Deposit Drill Hole Data.

      • AR-19-229c5 intersected 44.0 m of total composite mineralization including 14.05 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 98.0 m section (573.0 to 678.0 m).  Additionally, of the 14.05 m of off-scale mineralization intersected in the hole 3.35 m of massive-to-semi massive pitchblende with minimum-greater-than-61,000 cps;

      • AR-19-239c2 intersected 45.5 m of total composite mineralization including 7.60 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 107.0 m section (642.0 to 749.0 m).  Additionally, of the 7.60 m of off-scale mineralization intersected in the hole 1.65 m of massive-to-semi massive pitchblende with minimum-greater-than-61,000 cps;

      • AR-19-241c1 intersected 10.0 m of total composite mineralization including 4.65 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 91.0 m section (492.0 to 583.0 m) in the A2 sub-zone. Additionally, of the 4.65 m of off-scale mineralization intersected in the hole 0.5 m of massive-to-semi massive pitchblende with minimum-greater-than-61,000 cps;

      • AR-19-243c3 intersected 24.5 m of total composite mineralization including 4.45 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within an 85.5 m section (593.0 to 678.5 m).  Additionally, of the 4.45 m of off-scale mineralization intersected in the hole 0.5 m of massive-to-semi massive pitchblende with minimum-greater-than-61,000 cps;

      • AR-19-246c1 intersected 52.0 m of total composite mineralization including 6.70 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 107.5 m section (628.0 to 735.5 m).  Additionally, of the 6.7 m of off-scale mineralization intersected in the hole 0.65 m of massive-to-semi massive pitchblende with minimum-greater-than-61,000 cps;

      • AR-19-247c1 intersected 27.0 m of total composite mineralization including 4.30 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within an 85.0 m section (605.0 to 690.0 m).

      A3 High-Grade Domains and Sub-Zone

      The highlights below include composite and off-scale radioactivity results from the A3 only, for radioactivity results for the entire hole see Table 1: Arrow Deposit Drill Hole Data.

      • AR-19-248c2 intersected 45.5 m of total composite mineralization including 7.30 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within an 89.0 m section (487.0 to 576.0 m);

      • AR-19-242c2 intersected 51.5 m of total composite mineralization including 5.85 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 92.5 m section (511.0 to 603.5 m);

      • AR-19-238c3 intersected 28.0 m of total composite mineralization including 5.25 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 101.0 m section (440.0 to 541.0 m);

      • AR-19-248c1 intersected 42.0 m of total composite mineralization including 5.85 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within an 88.0 m section (474.0 to 562.0 m).

      Drill hole locations are shown in Figure 1, drilling results can be found in table 1. Drill hole descriptions can be found at www.nexgenenergy.ca

      Development, Activities & Financial

      • Expediting Arrow to Feasibility by initiation of a 2-stage (10 rig) high density drilling program that commenced in mid-December 2018 to focus on mine optimization plans based on Measured and Indicated mineral resources.

      • NexGen commenced an Environmental Assessment on the Rook I Project on April 29, 2019 in accordance with the requirements of both the Environmental Assessment Act and the Canadian Environmental Assessment Act, 2012 ("CEAA 2012") after receiving acceptance of the Rook I Project Description (Technical Proposal) by the Canadian Nuclear Safety Commission ("CNSC") and the Saskatchewan Ministry of Environment ("SMOE"). In addition, NexGen filed an Initial Licence Application with the CNSC under the Nuclear Safety and Control Act in order to obtain a Licence to Prepare Site and Construct for the Project.

      • As of July 1, 2019, the Company had cash-on-hand of approximately $85 million which fully funds NexGen for all drilling, feasibility and development programs planned this year.

      Leigh Curyer, Chief Executive Officer, commented: "The largest drill program currently in Canada and in the Company's history continues to rapidly advance Arrow through to Feasibility Study, detailed design and permitting. These results once again demonstrate the uniqueness of Arrow in terms of high grade and continuity. With the broader team advancing all aspects of development, community and permitting, it is an exciting time at NexGen."

      Troy Boisjoli, Vice-President, Operations and Project Development, commented: "This latest batch of radioactivity results from the A2 and A3 High-Grade Domains, again demonstrates our confidence in the continuation of the high-grade mineralization across the Arrow Deposit. The strength of mineralization seen as part of this mine plan development drilling is truly unique and something I've never seen in my career.  Not only are we seeing continuity of strong mineralization but also in rock competency throughout the mine plan.  We are looking forward to the completion of Phase I (conversion of Indicated Mineral Resource to the measured category) and the start of Phase II (conversion of Inferred Mineral Resource to the Indicated category)."

      Table 1: Arrow Deposit Drill Hole Data

      Drill Hole

      Athabasca Group - Basement
      Unconformity Depth (m)

      Handheld Scintillometer Results (RS-
      120/125) 

      Hole ID

      Azimuth

      Dip

      Total
      Depth (m)

      From
      (m)

      To
      (m)

      Width
      (m)

      CPS Range

      AR-19-229c5

      327

      -65

      681.00

      N/A

      464.00

      465.00

      1.00

      <500 -  1900






      469.00

      469.50

      0.50

      <500 -  510






      472.00

      472.50

      0.50

      <500 -  680






      480.50

      487.50

      7.00

      <500 -  5400






      490.00

      491.00

      1.00

      <500 -  7200






      495.50

      501.00

      5.50

      <500 -  40000






      504.50

      511.00

      6.50

      <500 -  9900






      513.50

      522.50

      9.00

      <500 -  28300






      525.00

      537.50

      12.50

      <500 -  33000






      615.00

      659.00

      44.00

      <500 -  61000

      AR-19-230c4

      327

      -65

      693.50

      N/A

      461.50

      463.50

      2.00

      <500 -  930






      502.00

      502.50

      0.50

      <500 -  2470






      505.00

      507.50

      2.50

      <500 -  3220






      514.00

      522.50

      8.50

      <500 -  1700






      533.50

      534.50

      1.00

      <500 -  780






      559.00

      563.50

      4.50

      <500 -  1800






      567.00

      567.50

      0.50

      <500 -  540






      601.50

      608.50

      7.00

      <500 -  61000






      615.00

      617.50

      2.50

      <500 -  10200






      624.00

      628.50

      4.50

      <500 -  1300






      639.00

      639.50

      0.50

      <500 -  640






      643.00

      647.00

      4.00

      <500 -  7800






      655.00

      656.00

      1.00

      <500 -  730






      660.00

      660.50

      0.50

      <500 -  530






      666.50

      668.00

      1.50

      <500 -  10600

      AR-19-232c4

      327

      -65

      645.50

      N/A

      495.00

      496.00

      1.00

      <500 -  1680






      547.00

      549.00

      2.00

      <500 -  26000






      551.50

      552.00

      0.50

      <500 -  5100






      559.00

      572.50

      13.50

      <500 -  61000






      579.50

      581.50

      2.00

      <500 -  51000






      584.50

      585.00

      0.50

      <500 -  2300






      596.00

      598.50

      2.50

      <500 -  61000






      601.50

      605.00

      3.50

      <500 -  47300






      609.00

      609.50

      0.50

      <500 -  870






      613.50

      614.00

      0.50

      500 -  2700






      617.50

      618.00

      0.50

      <500 -  1100

      AR-19-233c4

      327

      -65

      558.50

      N/A

      452.00

      458.00

      6.00

      <500 -  3070






      462.00

      462.50

      0.50

      <500 -  530






      465.50

      466.00

      0.50

      <500 -  620






      484.50

      497.00

      12.50

      <500 -  13400






      506.50

      521.00

      14.50

      <500 -  30000






      525.00

      528.50

      3.50

      500 -  1350

      AR-19-234c3

      327

      -65

      537.00

      N/A

      460.00

      461.50

      1.50

      <500 -  990






      479.00

      484.00

      5.00

      <500 -  1700






      487.50

      511.00

      23.50

      <500 -  61000

      AR-19-236c3

      327

      -65

      684.50

      N/A

      461.50

      462.50

      1.00

      <500 -  2100






      468.50

      469.50

      1.00

      <500 -  2800






      476.50

      477.00

      0.50

      590 -  21000






      483.00

      486.00

      3.00

      <500 -  1260






      488.50

      489.50

      1.00

      <500 -  1760






      498.50

      499.50

      1.00

      <500 -  2700






      505.00

      506.00

      1.00

      <500 -  750






      515.50

      529.50

      14.00

      <500 -  61000






      534.50

      535.00

      0.50

      <500 -  820






      542.50

      543.50

      1.00

      <500 -  1100






      578.00

      586.00

      8.00

      <500 -  1000






      591.00

      593.00

      2.00

      <500 -  1060






      596.50

      601.50

      5.00

      <500 -  9300






      604.00

      617.00

      13.00

      <500 -  3200






      620.50

      635.50

      15.00

      <500 -  61000






      638.50

      644.50

      6.00

      <500 -  1430






      648.00

      649.00

      1.00

      <500 -  6300






      654.00

      664.00

      10.00

      <500 -  53000






      677.50

      678.00

      0.50

      <500 -  660

      AR-19-236c4

      327

      -65

      699.50

      N/A

      463.00

      463.50

      0.50

      <500 -  1200






      473.50

      474.00

      0.50

      <500 -  800






      477.00

      478.00

      1.00

      <500 -  12000






      483.00

      483.50

      0.50

      <500 -  1400






      490.00

      490.50

      0.50

      <500 -  2000






      501.00

      502.00

      1.00

      <500 -  2300






      509.00

      509.50

      0.50

      <500 -  2700






      515.00

      517.00

      2.00

      <500 -  6800






      519.50

      533.00

      13.50

      <500 -  61000






      548.00

      548.50

      0.50

      <500 -  620






      589.00

      589.50

      0.50

      <500 -  820






      594.00

      599.00

      5.00

      <500 -  1800






      607.00

      609.50

      2.50

      <500 -  980






      616.50

      618.00

      1.50

      <500 -  1500






      622.00

      624.00

      2.00

      <500 -  21000






      631.50

      632.50

      1.00

      <500 -  1100






      635.00

      651.50

      16.50

      <500 -  24000






      658.00

      665.50

      7.50

      <500 -  61000






      671.00

      672.00

      1.00

      <500 -  3400

      AR-19-237c1

      327

      -65

      705.50

      128.00

      302.00

      302.50

      0.50

      <500 -  560






      496.00

      497.00

      1.00

      <500 -  2300






      532.50

      533.00

      0.50

      <500 -  1800






      545.50

      549.50

      4.00

      <500 -  29000






      556.50

      558.50

      2.00

      <500 -  11500






      565.50

      567.00

      1.50

      <500 -  6000






      570.50

      571.50

      1.00

      <500 -  32000






      640.00

      645.50

      5.50

      <500 -  61000






      648.00

      664.00

      16.00

      <500 -  52000






      667.00

      667.50

      0.50

      <500 -  1200






      671.50

      672.00

      0.50

      <500 -  700






      677.50

      684.50

      7.00

      <500 -  9800






      690.00

      690.50

      0.50

      <500 -  510

      AR-19-237c2

      327

      -65

      720.50

      N/A

      504.00

      504.50

      0.50

      <500 -  2100






      520.50

      522.00

      1.50

      <500 -  13500






      546.00

      546.50

      0.50

      <500 -  750






      554.50

      555.00

      0.50

      <500 -  670






      560.50

      561.00

      0.50

      <500 -  1280






      563.50

      566.50

      3.00

      <500 -  910






      570.00

      571.00

      1.00

      560 -  12800






      578.00

      580.50

      2.50

      <500 -  3100






      583.50

      584.00

      0.50

      900 -  34000






      639.00

      648.50

      9.50

      <500 -  51000






      651.00

      670.50

      19.50

      <500 -  20500






      678.00

      684.00

      6.00

      <500 -  13600






      686.50

      688.00

      1.50

      <500 -  9300






      718.00

      718.50

      0.50

      <500 -  700

      AR-19-237c3

      327

      -65

      738.50

      N/A

      450.50

      451.00

      0.50

      <500 -  720






      510.00

      510.50

      0.50

      <500 -  9200






      526.00

      526.50

      0.50

      <500 -  1100






      554.00

      560.00

      6.00

      <500 -  16000






      565.00

      568.00

      3.00

      <500 -  5700






      573.50

      575.50

      2.00

      <500 -  21000






      581.00

      583.00

      2.00

      <500 -  1800






      587.00

      588.00

      1.00

      <500 -  1100






      595.50

      596.00

      0.50

      <500 -  600






      642.00

      646.50

      4.50

      <500 -  3850






      652.00

      677.50

      25.50

      <500 -  61000






      686.00

      686.50

      0.50

      <500 -  750






      691.00

      692.50

      1.50

      <500 -  2900






      696.50

      697.50

      1.00

      600 -  13000






      700.00

      705.00

      5.00

      <500 -  5000

      AR-19-238c1

      327

      -65

      513.50

      141.50

      438.00

      445.00

      7.00

      <500 -  6000






      447.50

      448.00

      0.50

      <500 -  540






      454.00

      455.50

      1.50

      <500 -  3700






      458.50

      463.50

      5.00

      <500 -  61000






      466.50

      467.00

      0.50

      1300 -  61000






      471.50

      482.50

      11.00

      <500 -  61000






      487.50

      491.00

      3.50

      <500 -  1000






      498.00

      501.00

      3.00

      <500 -  780

      AR-19-238c2

      327

      -65

      522.50

      N/A

      426.00

      426.50

      0.50

      <500 -  850






      448.50

      450.50

      2.00

      <500 -  2700






      455.00

      456.50

      1.50

      <500 -  8300






      466.00

      467.00

      1.00

      <500 -  780






      472.00

      476.50

      4.50

      <500 -  56400






      482.50

      492.00

      9.50

      <500 -  61000

      AR-19-238c3

      327

      -65

      540.50

      N/A

      458.50

      461.50

      3.00

      <500 -  9400






      467.00

      468.00

      1.00

      <500 -  8900






      477.50

      478.00

      0.50

      <500 -  1000






      487.50

      490.00

      2.50

      <500 -  42000






      496.50

      517.50

      21.00

      <500 -  61000

      AR-19-238c4

      327

      -65

      542.50

      N/A

      457.00

      457.50

      0.50

      <500 -  2000






      473.50

      476.50

      3.00

      <500 -  44000






      480.50

      481.00

      0.50

      670 -  28000






      499.50

      503.00

      3.50

      <500 -  61000






      506.50

      522.50

      16.00

      <500 -  61000

      AR-19-239c1

      327

      -65

      729.50

      133.00

      229.50

      230.00

      0.50

      <500 -  590






      452.50

      453.00

      0.50

      <500 -  520






      479.00

      479.50

      0.50

      <500 -  650






      487.00

      488.50

      1.50

      <500 -  2600






      499.50

      500.50

      1.00

      <500 -  3300






      513.50

      514.00

      0.50

      <500 -  6800






      517.50

      520.50

      3.00

      <500 -  26800






      524.50

      525.00

      0.50

      <500 -  650






      533.00

      540.50

      7.50

      <500 -  16600






      546.00

      546.50

      0.50

      <500 -  3200






      550.50

      558.50

      8.00

      <500 -  61000






      561.00

      567.50

      6.50

      <500 -  61000






      573.00

      573.50

      0.50

      <500 -  5300






      579.50

      589.50

      10.00

      <500 -  61000






      592.00

      593.00

      1.00

      <500 -  1100






      601.50

      602.50

      1.00

      <500 -  1700






      651.00

      667.50

      16.50

      <500 -  61000






      671.00

      672.50

      1.50

      <500 -  30000






      679.50

      680.00

      0.50

      620 -  9800






      682.50

      690.50

      8.00

      <500 -  43000






      698.50

      701.00

      2.50

      <500 -  45000

      AR-19-239c2

      327

      -65

      756.50

      N/A

      457.50

      458.00

      0.50

      <500 -  660






      491.00

      497.00

      6.00

      <500 -  4700






      520.00

      520.50

      0.50

      1700 -  41000






      523.00

      526.00

      3.00

      <500 -  61000






      528.50

      533.50

      5.00

      <500 -  61000






      536.00

      537.00

      1.00

      <500 -  3100






      540.00

      540.50

      0.50

      <500 -  2500






      548.00

      549.00

      1.00

      <500 -  6500






      555.50

      561.50

      6.00

      <500 -  46000






      567.50

      568.00

      0.50

      <500 -  880






      571.50

      585.50

      14.00

      <500 -  43000






      596.00

      603.50

      7.50

      <500 -  61000






      621.50

      623.00

      1.50

      <500 -  1100






      642.00

      643.00

      1.00

      <500 -  850






      667.50

      668.00

      0.50

      <500 -  1200






      675.00

      675.50

      0.50

      <500 -  2700






      682.00

      685.00

      3.00

      <500 -  4000






      687.50

      688.50

      1.00

      <500 -  1700






      694.00

      698.50

      4.50

      <500 -  1000






      703.50

      717.50

      14.00

      <500 -  61000






      721.00

      739.50

      18.50

      <500 -  61000






      743.50

      746.00

      2.50

      <500 -  4500

      AR-19-240c1

      327

      -65

      702.50

      130.70

      506.00

      507.00

      1.00

      <500 -  820






      524.00

      524.50

      0.50

      2300 -  30600






      529.50

      530.50

      1.00

      <500 -  5900






      538.50

      539.00

      0.50

      <500 -  5300






      545.50

      550.00

      4.50

      <500 -  10600






      571.00

      574.50

      3.50

      <500 -  9800






      578.00

      579.00

      1.00

      <500 -  1900






      587.50

      588.00

      0.50

      <500 -  3020






      605.00

      607.00

      2.00

      <500 -  2800






      619.00

      642.00

      23.00

      <500 -  61000






      651.50

      654.00

      2.50

      <500 -  2500






      660.00

      668.00

      8.00

      <500 -  3400






      672.00

      676.00

      4.00

      <500 -  1250

      AR-19-240c2

      327

      -65

      714.00

      N/A

      514.50

      515.00

      0.50

      <500 -  8100






      526.50

      527.50

      1.00

      <500 -  9200






      530.50

      531.00

      0.50

      <500 -  11500






      544.00

      548.50

      4.50

      <500 -  61000






      582.00

      584.50

      2.50

      <500 -  1500






      606.50

      607.00

      0.50

      <500 -  950






      610.50

      611.50

      1.00

      <500 -  930






      615.00

      616.00

      1.00

      <500 -  730






      621.00

      621.50

      0.50

      <500 -  810






      626.00

      628.50

      2.50

      <500 -  890






      632.00

      651.50

      19.50

      <500 -  61000






      656.00

      656.50

      0.50

      <500 -  560






      680.00

      680.50

      0.50

      <500 -  1000

      AR-19-241c1

      327

      -65

      600.50

      137.30

      412.00

      415.50

      3.50

      <500 -  4800






      447.00

      449.50

      2.50

      <500 -  15500






      456.00

      458.00

      2.00

      <500 -  550






      465.00

      465.50

      0.50

      <500 -  640






      474.50

      478.00

      3.50

      <500 -  1100






      543.00

      543.50

      0.50

      <500 -  720






      556.50

      557.00

      0.50

      <500 -  530






      562.00

      571.00

      9.00

      <500 -  61000

      AR-19-241c2

      327

      -65

      615.50

      N/A

      411.00

      414.50

      3.50

      <500 -  7200






      423.50

      424.00

      0.50

      <500 -  720






      445.50

      449.50

      4.00

      <500 -  9700






      455.00

      456.00

      1.00

      <500 -  810






      463.50

      467.50

      4.00

      <500 -  1100






      472.00

      475.00

      3.00

      <500 -  1000






      505.50

      506.50

      1.00

      <500 -  700






      570.00

      583.50

      13.50

      <500 -  61000

      AR-19-242c1

      327

      -65

      606.50

      138.00

      453.00

      453.50

      0.50

      <500 -  650






      483.50

      484.50

      1.00

      <500 -  5000






      492.50

      493.50

      1.00

      <500 -  6000






      514.50

      516.50

      2.00

      <500 -  18500






      521.50

      543.00

      21.50

      <500 -  34700






      547.00

      572.00

      25.00

      <500 -  61000

      AR-19-242c2

      327

      -65

      603.50

      N/A

      486.50

      488.00

      1.50

      <500 -  4800






      491.50

      494.00

      2.50

      <500 -  1400






      497.50

      498.00

      0.50

      <500 -  640






      523.00

      531.00

      8.00

      <500 -  24400






      533.50

      540.50

      7.00

      <500 -  41000






      543.50

      579.50

      36.00

      <500 -  61000






      583.50

      584.00

      0.50

      <500 -  550

      AR-19-243c1

      327

      -65

      693.50

      123.40

      323.50

      324.00

      0.50

      <500 -  690






      518.50

      519.50

      1.00

      <500 -  4950






      522.00

      523.00

      1.00

      <500 -  4600






      528.50

      529.50

      1.00

      <500 -  1300






      540.50

      543.00

      2.50

      <500 -  2100






      550.00

      550.50

      0.50

      <500 -  3500






      557.50

      558.50

      1.00

      <500 -  1200






      561.50

      562.00

      0.50

      <500 -  550






      569.50

      577.50

      8.00

      <500 -  4000






      580.00

      582.50

      2.50

      <500 -  4200






      589.00

      589.50

      0.50

      <500 -  1450






      613.50

      615.50

      2.00

      <500 -  61000






      632.50

      636.00

      3.50

      <500 -  60000






      642.50

      643.00

      0.50

      <500 -  1190






      645.50

      648.00

      2.50

      <500 -  600

      AR-19-243c2

      327

      -65

      696.50

      N/A

      512.00

      512.50

      0.50

      <500 -  610






      522.50

      523.00

      0.50

      520 -  9800






      528.00

      530.00

      2.00

      <500 -  16800






      555.50

      556.00

      0.50

      <500 -  6200






      565.50

      566.00

      0.50

      <500 -  970






      570.50

      571.00

      0.50

      <500 -  1800






      581.00

      582.00

      1.00

      <500 -  1250






      590.50

      591.50

      1.00

      <500 -  590






      610.00

      611.00

      1.00

      <500 -  2300






      624.50

      629.00

      4.50

      <500 -  12600






      631.50

      635.50

      4.00

      <500 -  61000






      642.00

      642.50

      0.50

      <500 -  18000






      663.00

      663.50

      0.50

      <500 -  1000

      AR-19-243c3

      327

      -65

      678.50

      N/A

      518.50

      519.50

      1.00

      <500 -  8760






      522.00

      526.00

      4.00

      <500 -  1680






      556.00

      557.00

      1.00

      <500 -  940






      561.50

      562.50

      1.00

      <500 -  7000






      573.50

      575.00

      1.50

      <500 -  1800






      610.50

      627.00

      16.50

      <500 -  61000






      629.50

      631.50

      2.00

      <500 -  13700






      634.00

      639.50

      5.50

      <500 -  1900






      644.50

      645.00

      0.50

      <500 -  1600

      AR-19-244c1

      327

      -65

      756.00

      125.60

      480.50

      481.50

      1.00

      <500 -  740






      538.50

      539.50

      1.00

      <500 -  1250






      558.50

      559.00

      0.50

      570 -  16600






      567.00

      567.50

      0.50

      <500 -  7600






      578.00

      578.50

      0.50

      <500 -  1440






      590.50

      591.50

      1.00

      <500 -  660






      611.50

      616.50

      5.00

      <500 -  61000






      621.00

      623.50

      2.50

      <500 -  1700






      630.00

      638.00

      8.00

      <500 -  5400






      646.50

      648.00

      1.50

      <500 -  1150






      652.50

      654.00

      1.50

      <500 -  1000






      665.50

      666.00

      0.50

      <500 -  550






      671.00

      679.50

      8.50

      <500 -  61000






      687.50

      698.00

      10.50

      <500 -  30000






      705.00

      709.00

      4.00

      <500 -  12500






      714.50

      719.00

      4.50

      <500 -  24000

      AR-19-245c1

      327

      -65

      609.00

      138.80

      418.00

      420.00

      2.00

      <500 -  1300






      425.00

      431.00

      6.00

      <500 -  19500






      435.00

      437.00

      2.00

      <500 -  740






      448.00

      449.00

      1.00

      <500 -  20000






      452.00

      477.00

      25.00

      <500 -  48000






      574.00

      580.00

      6.00

      <500 -  54100






      587.50

      588.50

      1.00

      <500 -  18000

      AR-19-245c2

      327

      -65

      774.50

      N/A

      420.50

      421.50

      1.00

      <500 -  1400






      426.00

      432.00

      6.00

      <500 -  35000






      440.00

      441.50

      1.50

      <500 -  32000






      453.00

      456.00

      3.00

      <500 -  8800






      458.50

      483.50

      25.00

      <500 -  61000






      578.50

      589.00

      10.50

      <500 -  61000






      666.00

      667.00

      1.00

      <500 -  850






      679.00

      690.50

      11.50

      <500 -  44400






      696.50

      697.00

      0.50

      <500 -  2200






      728.00

      728.50

      0.50

      <500 -  820






      742.50

      748.50

      6.00

      <500 -  5800

      AR-19-245c3

      327

      -65

      636.50

      N/A

      429.00

      429.50

      0.50

      690 -  13100






      435.00

      435.50

      0.50

      590 -  3320






      449.50

      454.00

      4.50

      <500 -  61000






      458.00

      458.50

      0.50

      580 -  14600






      463.00

      487.00

      24.00

      <500 -  61000






      576.50

      577.00

      0.50

      <500 -  670






      581.00

      581.50

      0.50

      <500 -  880






      584.00

      586.50

      2.50

      <500 -  930






      589.00

      589.50

      0.50

      <500 -  700






      598.00

      606.50

      8.50

      <500 -  13100

      AR-19-246c1

      327

      -65

      735.50

      130.20

      442.50

      443.00

      0.50

      <500 -  1070






      464.00

      464.50

      0.50

      <500 -  860






      481.00

      481.50

      0.50

      <500 -  2200






      488.50

      489.50

      1.00

      <500 -  6200






      530.00

      532.00

      2.00

      <500 -  30000






      536.50

      539.00

      2.50

      <500 -  2400






      546.50

      550.00

      3.50

      <500 -  46800






      552.50

      554.50

      2.00

      <500 -  14600






      563.00

      569.50

      6.50

      <500 -  61000






      582.00

      582.50

      0.50

      575 -  13800






      596.50

      602.50

      6.00

      <500 -  1750






      607.00

      607.50

      0.50

      <500 -  610






      628.50

      629.00

      0.50

      <500 -  1150






      632.00

      636.00

      4.00

      <500 -  1800






      638.50

      639.00

      0.50

      <500 -  665






      646.00

      660.00

      14.00

      <500 -  61000






      664.50

      692.50

      28.00

      <500 -  61000






      701.00

      701.50

      0.50

      <500 -  720






      720.50

      723.50

      3.00

      <500 -  950






      726.00

      726.50

      0.50

      <500 -  540






      730.00

      731.00

      1.00

      <500 -  2520

      AR-19-247c1

      327

      -65

      696.00

      126.55

      499.00

      500.50

      1.50

      <500 -  22000






      519.00

      519.50

      0.50

      <500 -  1300






      526.50

      531.50

      5.00

      <500 -  4500






      545.50

      554.50

      9.00

      <500 -  38300






      617.50

      618.00

      0.50

      <500 -  530






      621.00

      643.50

      22.50

      <500 -  61000






      648.50

      649.00

      0.50

      <500 -  1750






      658.50

      662.00

      3.50

      <500 -  8500

      AR-19-247c2

      327

      -65

      711.50

      N/A

      488.00

      488.50

      0.50

      <500 -  860






      506.50

      507.00

      0.50

      <500 -  11300






      518.50

      519.00

      0.50

      <500 -  1650






      535.50

      543.00

      7.50

      <500 -  5400






      547.50

      548.00

      0.50

      <500 -  740






      556.50

      558.00

      1.50

      <500 -  11000






      565.50

      573.00

      7.50

      <500 -  61000






      618.50

      621.00

      2.50

      <500 -  1120






      635.50

      641.00

      5.50

      <500 -  1500






      644.50

      649.00

      4.50

      <500 -  3100






      664.00

      664.50

      0.50

      <500 -  520






      669.00

      672.00

      3.00

      <500 -  18700






      676.00

      678.00

      2.00

      <500 -  9500






      681.00

      681.50

      0.50

      <500 -  8600

      AR-19-248c1

      327

      -65

      564.50

      138.70

      166.50

      167.00

      0.50

      <500 -  810






      431.00

      431.50

      0.50

      <500 -  720






      459.00

      460.00

      1.00

      <500 -  850






      481.00

      481.50

      0.50

      750 -  1300






      485.00

      493.50

      8.50

      <500 -  61000






      498.00

      498.50

      0.50

      1600 -  40000






      501.00

      501.50

      0.50

      540 -  31000






      506.50

      507.00

      0.50

      2000 -  61000






      510.50

      542.00

      31.50

      <500 -  61000

      AR-19-248c2

      327

      -65

      582.50

      N/A

      471.50

      476.50

      5.00

      <500 -  2000






      496.50

      497.00

      0.50

      <500 -  2200






      499.50

      502.00

      2.50

      <500 -  8300






      506.00

      506.50

      0.50

      3500 -  61000






      510.00

      511.50

      1.50

      <500 -  12800






      515.50

      517.00

      1.50

      <500 -  15600






      519.50

      558.50

      39.00

      <500 -  61000

      AR-19-248c3

      327

      -65

      588.50

      N/A

      472.50

      484.00

      11.50

      <500 -  2760






      487.50

      488.50

      1.00

      <500 -  660






      502.50

      506.00

      3.50

      <500 -  61000






      508.50

      512.50

      4.00

      <500 -  61000






      515.50

      519.50

      4.00

      <500 -  10500






      522.00

      526.00

      4.00

      <500 -  39000






      529.00

      530.00

      1.00

      <500 -  20700






      534.00

      539.50

      5.50

      <500 -  19600






      542.00

      545.00

      3.00

      <500 -  61000






      553.50

      564.00

      10.50

      <500 -  61000






      571.50

      577.50

      6.00

      <500 -  3700

      AR-19-249c1

      327

      -65

      780.00

      135.15

      271.00

      271.50

      0.50

      <500 -  610






      462.00

      464.00

      2.00

      <500 -  3800






      483.00

      484.00

      1.00

      <500 -  550






      499.50

      500.00

      0.50

      <500 -  730






      503.50

      505.50

      2.00

      <500 -  2700






      517.50

      521.00

      3.50

      <500 -  730






      531.00

      532.00

      1.00

      <500 -  1370






      556.50

      559.00

      2.50

      <500 -  22700






      570.50

      571.00

      0.50

      <500 -  560






      580.00

      589.00

      9.00

      <500 -  61000






      592.00

      596.00

      4.00

      <500 -  27000






      601.50

      603.50

      2.00

      <500 -  61000






      618.50

      619.00

      0.50

      <500 -  520






      630.00

      634.50

      4.50

      <500 -  14100






      643.00

      643.50

      0.50

      <500 -  510






      666.00

      666.50

      0.50

      <500 -  2700






      682.50

      683.50

      1.00

      <500 -  730






      686.50

      704.00

      17.50

      <500 -  44600






      716.50

      717.00

      0.50

      <500 -  970






      720.00

      720.50

      0.50

      <500 -  720






      723.00

      727.00

      4.00

      <500 -  1400






      731.00

      741.50

      10.50

      <500 -  61000






      747.50

      749.50

      2.00

      <500 -  11500

      AR-19-249c2

      327

      -65

      783.50

      N/A

      473.00

      475.50

      2.50

      <500 -  2200






      487.00

      490.50

      3.50

      <500 -  1560






      501.50

      503.50

      2.00

      <500 -  1600






      513.50

      514.00

      0.50

      <500 -  520






      540.00

      541.50

      1.50

      <500 -  1050






      565.50

      566.00

      0.50

      800 -  30000






      570.00

      571.00

      1.00

      <500 -  31000






      588.00

      593.00

      5.00

      <500 -  16500






      595.50

      596.50

      1.00

      <500 -  3070






      600.50

      615.50

      15.00

      <500 -  61000






      620.00

      621.00

      1.00

      <500 -  4700






      635.00

      652.00

      17.00

      <500 -  8600






      658.00

      660.50

      2.50

      <500 -  560






      663.00

      663.50

      0.50

      <500 -  750






      691.50

      698.00

      6.50

      <500 -  2280






      701.00

      708.00

      7.00

      <500 -  22200






      711.00

      712.00

      1.00

      <500 -  2000






      717.00

      737.50

      20.50

      <500 -  45000






      741.00

      748.50

      7.50

      <500 -  13800

      AR-19-250c1

      327

      -65

      732.50

      124.70

      489.50

      490.00

      0.50

      <500 -  1500






      539.50

      540.50

      1.00

      <500 -  45000






      543.50

      547.00

      3.50

      <500 -  7500






      553.50

      559.00

      5.50

      <500 -  15900






      561.50

      562.00

      0.50

      1400 -  61000






      580.50

      581.00

      0.50

      <500 -  2400






      583.50

      584.50

      1.00

      <500 -  770






      595.00

      595.50

      0.50

      <500 -  1900






      605.00

      606.50

      1.50

      <500 -  780






      610.50

      611.00

      0.50

      <500 -  850






      614.50

      615.50

      1.00

      <500 -  3900






      636.50

      637.00

      0.50

      <500 -  530






      644.50

      645.00

      0.50

      <500 -  950






      652.50

      668.00

      15.50

      <500 -  61000

      AR-19-250c2

      327

      -65

      744.00

      N/A

      490.00

      491.00

      1.00

      <500 -  6100






      531.00

      531.50

      0.50

      <500 -  510






      544.00

      545.50

      1.50

      <500 -  31000






      553.00

      556.00

      3.00

      <500 -  61000






      560.00

      566.50

      6.50

      <500 -  51000






      586.50

      587.00

      0.50

      <500 -  970






      592.50

      593.00

      0.50

      <500 -  600






      606.00

      608.50

      2.50

      <500 -  1900






      615.50

      616.00

      0.50

      <500 -  1300






      636.50

      637.50

      1.00

      <500 -  2810






      647.00

      649.50

      2.50

      <500 -  760






      653.00

      668.00

      15.00

      <500 -  61000






      693.50

      700.50

      7.00

      <500 -  1260

      AR-19-250c3

      327

      -65

      756.50

      N/A

      429.00

      429.50

      0.50

      <500 -  1040






      492.50

      493.00

      0.50

      <500 -  2600






      533.00

      533.50

      0.50

      <500 -  3600






      547.50

      548.50

      1.00

      <500 -  31000






      554.00

      565.00

      11.00

      <500 -  61000






      567.50

      568.50

      1.00

      <500 -  10600






      576.00

      576.50

      0.50

      <500 -  830






      585.00

      586.00

      1.00

      <500 -  4000






      592.50

      593.00

      0.50

      <500 -  1200






      604.50

      605.00

      0.50

      <500 -  800






      608.00

      612.00

      4.00

      <500 -  1200






      614.50

      615.50

      1.00

      <500 -  910






      623.50

      625.00

      1.50

      <500 -  1000






      627.50

      628.00

      0.50

      <500 -  610






      651.00

      651.50

      0.50

      <500 -  1060






      655.50

      658.00

      2.50

      <500 -  3700






      662.50

      676.00

      13.50

      <500 -  61000






      679.50

      680.00

      0.50

      <500 -  1240






      686.00

      687.50

      1.50

      <500 -  830






      695.50

      696.00

      0.50

      <500 -  2200

      Parameters:

      • Maximum internal dilution 2.00 m downhole
      • All depths and intervals are metres downhole, true thicknesses are yet to be determined
      • "Anomalous" means >500 cps (counts per second) total count gamma readings by gamma scintillometer type RS-120
      • "Off-scale" means >10,000 cps (counts per second) total count gamma readings by gamma scintillometer type RS-120
      • Where "Min cps" is <500 cps, this refers to local low radiometric zones within the overall radioactive interval
      • Directional drilling has often resulted in mineralization intersected at a more favourable and shallower dip

      About NexGen

      NexGen is a British Columbia corporation with a focus on the acquisition, exploration and development of Canadian uranium projects. NexGen has a highly experienced team of uranium industry professionals with a successful track record in the discovery of uranium deposits and in developing projects through discovery to production. 

      NexGen owns a portfolio of prospective uranium exploration assets in the Athabasca Basin, Saskatchewan, Canada; including a 100% interest in Rook I, location of the Arrow Deposit discovered in February 2014, the Bow discovery in March 2015, the Harpoon discovery in August 2016 and the Arrow South discovery in July 2017. NexGen is the recipient of the PDAC's 2018 Bill Dennis Award and the 2019 Environmental and Social Responsibility Award.

      Technical Disclosure

      The technical information in this news release with respect to the PFS has been reviewed and approved by Paul O'Hara, P.Eng. of Wood., David Robson, P.Eng., M.B.A., and Jason Cox, P.Eng. of RPA, each of whom is a "qualified person" under National Instrument 43-101 – Standards of Disclosure for Mineral Projects ("NI-43-101"). 

      The Mineral Resource Estimate was completed by Mr. Mark Mathisen, C.P.G., Senior Geologist at RPA and Mr. David Ross, P.Geo., Director of Resource Estimation and Principal Geologist at RPA.  Both are independent Qualified Persons in accordance with the requirements of National Instrument (NI) 43-101 and they have approved the disclosure herein. All other technical information in this news release has been approved by Mr. Troy Boisjoli, Geoscientist Licensee, Vice President – Operations & Project Development for NexGen.  Mr. Boisjoli is a qualified person for the purposes of NI 43-101 and has verified the sampling, analytical, and test data underlying the information or opinions contained herein by reviewing original data certificates and monitoring all of the data collection protocols.  All other technical information in this news release has been approved by Mr. James Hatley, a Professional Engineer, Senior Vice-President – Project Development for NexGen.  Mr. Hatley is a qualified person for the purposes of NI 43-101 and has reviewed the underlying the information or opinions contained herein on mine design.

      A technical report in respect to the PFS is filed on SEDAR (www.sedar.com) and EDGAR (www.sec.gov/edgar.shtml) and is available for review on NexGen Energy's website (www.nexgenenergy.ca).

      SEC Standards

      Estimates of mineralization and other technical information included or referenced in this news release have been prepared in accordance with NI 43-101. The definitions of proven and probable mineral reserves used in NI 43-101 differ from the definitions in SEC Industry Guide 7. Under SEC Industry Guide 7 standards, a "final" or "bankable" feasibility study is required to report reserves, the three-year historical average price is used in any reserve or cash flow analysis to designate reserves and the primary environmental analysis or report must be filed with the appropriate governmental authority. As a result, the reserves reported by the Company in accordance with NI 43-101 may not qualify as "reserves" under SEC standards. In addition, the terms "mineral resource", "measured mineral resource", "indicated mineral resource" and "inferred mineral resource" are defined in and required to be disclosed by NI 43-101; however, these terms are not defined terms under SEC Industry Guide 7 and normally are not permitted to be used in reports and registration statements filed with the SEC. Mineral resources that are not mineral reserves do not have demonstrated economic viability. Investors are cautioned not to assume that any part or all of the mineral deposits in these categories will ever be converted into reserves. "Inferred mineral resources" have a great amount of uncertainty as to their existence, and great uncertainty 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 securities laws, estimates of inferred mineral resources may not form the basis of feasibility or pre-feasibility studies, except in rare cases. Additionally, disclosure of "contained pounds" in a resource is permitted disclosure under Canadian securities laws; however, the SEC normally only permits issuers to report mineralization that does not constitute "reserves" by SEC standards as in place tonnage and grade without reference to unit measurements. Accordingly, information contained or referenced in this news release containing descriptions of the Company's mineral deposits may not be comparable to similar information made public by U.S. companies subject to the reporting and disclosure requirements of United States federal securities laws and the rules and regulations thereunder.

      Technical Information

      For details of the Rook I Project including the quality assurance program and quality control measures applied and key assumptions, parameters and methods used to estimate the Mineral Resource please refer to the technical report entitled "Arrow Deposit, Rook I Project Saskatchewan NI 43-101 Technical Report on Pre-feasbility Study" dated effective 5 November, 2018 (the "Rook 1 Technical Report") prepared by Paul O'Hara, P.Eng., Jason J. Cox, P.Eng., David M. Robson, P.Eng., M.B.A., Mark B. Mathisen, C.P.G. each of whom is a "qualified person" under NI 43-101. The Rook I Technical Report is available for review under the Company's profile on SEDAR at www.sedar.com and EDGAR (www.sec.gov/edgar.shtml) providing details of the Rook I Project including the quality assurance program and quality control measures applied and key assumptions, parameters and methods used to estimate the Mineral Resource and is available on NexGen Energy's website (www.nexgenenergy.ca).

      Forward-Looking Information

      The information contained herein contains "forward-looking statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995 and "forward-looking information" within the meaning of applicable Canadian securities legislation. "Forward-looking information" includes, but is not limited to, statements with respect to the activities, events or developments that the Company expects or anticipates will or may occur in the future. Generally, but not always, forward-looking information and statements can be identified by the use of words such as "plans", "expects", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates", or "believes" or the negative connotation thereof or variations of such words and phrases or state that certain actions, events or results "may", "could", "would", "might" or "will be taken", "occur" or "be achieved" or the negative connotation thereof.

      Forward-looking information and statements are based on the then current expectations, beliefs, assumptions, estimates and forecasts about NexGen's business and the industry and markets in which it operates. Forward-looking information and statements are made based upon numerous assumptions, including among others, that the proposed transaction will be completed, the results of planned exploration activities are as anticipated, the price of uranium, the cost of planned exploration activities, that financing will be available if and when needed and on reasonable terms, that third party contractors, equipment, supplies and governmental and other approvals required to conduct NexGen's planned exploration activities will be available on reasonable terms and in a timely manner and that general business and economic conditions will not change in a material adverse manner. Although the assumptions made by the Company in providing forward looking information or making forward looking statements are considered reasonable by management at the time, there can be no assurance that such assumptions will prove to be accurate.

      Forward-looking information and statements also involve known and unknown risks and uncertainties and other factors, which may cause actual results, performances and achievements of NexGen to differ materially from any projections of results, performances and achievements of NexGen expressed or implied by such forward-looking information or statements, including, among others, negative operating cash flow and dependence on third party financing, uncertainty of the availability of additional financing, the risk that pending assay results will not confirm previously announced preliminary results, imprecision of mineral resource estimates, the appeal of alternate sources of energy and sustained low uranium prices, aboriginal title and consultation issues, exploration risks, reliance upon key management and other personnel, deficiencies in the Company's title to its properties, uninsurable risks, failure to manage conflicts of interest, failure to obtain or maintain required permits and licenses, changes in laws, regulations and policy, competition for resources and financing, and other factors discussed or referred to in the Company's Annual Information Form dated March 4, 2019 under "Risk Factors".

      Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in the forward-looking information or implied by forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended.

      There can be no assurance that forward-looking information and statements will prove to be accurate, as actual results and future events could differ materially from those anticipated, estimated or intended. Accordingly, readers should not place undue reliance on forward-looking statements or information. The Company undertakes no obligation to update or reissue forward-looking information as a result of new information or events except as required by applicable securities laws.

      SOURCE NexGen Energy Ltd.

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