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NexGen Energy Ltd.

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

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.

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SOURCE NexGen Energy Ltd.

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