NexGen Drills 37.4 m of Off-Scale Expanding the High Grade Domain and Discovers Anomalous Radioactivity 1.3 km Northeast of Arrow

 

VANCOUVER, April 18, 2016 /CNW/ - NexGen Energy Ltd. ("NexGen" or the "Company") (TSXV:NXE, OTCQX:NXGEF) is pleased to announce further results from our recently expanded winter-spring drilling program on our 100% owned Rook I Property, Athabasca Basin, Saskatchewan.

Drill hole AR-16-78c4 has intersected dense accumulations of massive pitchblende, which has expanded the higher grade A2 sub-zone (the "Sub-Zone") which makes up part of the A2 High Grade Domain (Figure 1, 3 to 6). The mineralization was intersected 59 m down-dip and northeast of AR-15-44b and features 37.4 m of off-scale radioactivity (>10,000 to >61,000 cps). This included 5.5 m at a minimum-of-greater-than 61,000 cps, of which 4.5 m was continuous. On a radioactivity basis, AR-16-78c4 ranks as one of the best holes ever drilled at Arrow.  Importantly, the high grade mineralization encountered in hole -78c4 was predominately intersected outside of the current boundary of A2 High Grade Domain (Figure 3).

The A2 High Grade Domain hosts a National Instrument 43-101 compliant Inferred Mineral Resource estimate of 120.5 M lbs of U3O8 contained in 0.41 M tonnes grading 13.26% U3O8, which is within the total Arrow Deposit Inferred Mineral Resource estimate of 201.9 M lbs U3O8 contained in 3.48 M tonnes grading 2.63% (see news release dated March 3, 2016). The maiden resource estimate on Arrow includes drill holes to October 2015, and does not include the 40 drill holes completed so far in 2016. 

In addition, anomalous radioactivity sourced from uranium (confirmed with RS-125 spectrometer scintillometer) has been drilled approximately 1.3 km northeast of the Arrow deposit (Figure 2).  This new area, named Cannon, is coincident with a gravity low and weakened VTEM conductor. The area has very similar geophysical, lithological and alteration features to the Arrow deposit.  To date, 11 holes have been drilled at Cannon, all of which intersected strong-to-intense hydrothermal alteration. Furthermore, 4 holes have intersected anomalous radioactivity of up to 1,300 cps (measured by RS-120 hand-held scintillometer). At least two highly prospective graphitic mylonite shear zones with large envelopes of strong-to-intense clay alteration have been identified. Cannon is open in all directions and is largely untested at the unconformity up-dip from basement structures that host anomalous radioactivity. 

Highlights:

A2 Shear:

  • AR-16-78c4 (59 m down-dip and northeast from AR-15-44b) intersected 120.5 m of total composite mineralization including 37.4 m of total composite off-scale radioactivity (>10,000 – >61,000 cps) within a 203.5m section (441.5 to 645.0 m), featuring 4.5 m of continuous mineralization at a minimum of greater than 61,000 cps in the Sub-Zone.

 

Table 1: Higher Grade A2 Sub-Zone Drill Hole Comparison

2015

AR-15-
59c22

AR-15-
54c12

AR-15-
58c12

AR-15-
622

AR-15-
44b2

AR-15-
49c22

AR-15-
57c32

Total composite mineralization =

75.50 m

42.00 m

86.00 m

143.00 m

135.60 m

73.50 m

62.50 m

Total Off-scale (>10,000 to 29,999 cps)3 =

11.40 m

5.90 m

14.30 m

17.75 m

30.25 m

15.70 m

4.40 m

Total Off-scale (>30,000 to 60,999 cps)3 =

4.50 m

3.00 m

3.85 m

10.60 m

7.75 m

5.20 m

2.50 m

Total Off-scale (>61,000 cps)3 =

1.00 m

0.50 m

2.00 m

2.00 m

1.50 m

2.15 m

1.80 m

Continuous GT (Grade x Thickness) =

371

277

200 and
345

787

655

605

319

 


2016

AR-16-
76c41

AR-16-
76c11

AR-16-
76c31

AR-16-
63c12

AR-16-
63c31

AR-16-
74c11

AR-16-
63c22

AR-16-
64c31

AR-16-
64c22

AR-16-
64c12

AR-16-
78c11

AR-16-
78c4

Total composite mineralization =

105.7 m

73.50 m

67.5 m

55.50 m

147.00 m

88.00 m

138.00 m

102.00 m

76.00 m

74.0 m

64.00 m

120.5 m

Total Off-scale (>10,000 to 29,999 cps)3 =

19.85 m

14.75 m

14.85 m

6.85 m

22.10 m

21.2 m

17.10 m

18.75 m

15.95 m

10.30 m

11.60 m

25.75 m

Total Off-scale (>30,000 to 60,999 cps)3 =

1.00 m

2.75 m

5.00 m

0.50 m

3.00 m

1.15 m

9.90 m

2.50 m

4.70 m

3.70 m

3.00 m

6.15 m

Total Off-scale (>61,000 cps)3 =

0.00 m

5.25 m

4.50 m

0.00 m

0.50 m

0.00 m

13.85 m

0.00 m

5.50 m

0.00 m

2.50 m

5.50 m

Continuous GT (Grade x Thickness) =

Assays
Pending

Assays
Pending

Assays
Pending

203

Assays
Pending

Assays
Pending

638 and
604

Assays
Pending

541

338

Assays
Pending

Assays
Pending

1 radioactivity results previously released

2 radioactivity and assays results previously released

3 minimum radioactivity using RS-120 scintillometer


Arrow, Activities & Financial

  • The land-based and basement hosted Arrow zone currently covers an area of 865 m by 280 m with a vertical extent of mineralization commencing from 100 m to 920 m, and remains open in all directions and at depth.
  • The winter 2016 six drill rig program comprising 30,000 m of drilling is currently transitioning to our spring 2016, 7,500 m of drilling program.
  • The Company has cash on hand of $33M to fund its 2016 programs.

Drill hole location maps, a cross section of drill hole AR-16-78c4, and A2 and A3 long sections are shown in Figures 1 to 6. Table 2 has a summary of the mineralized intervals.

Garrett Ainsworth, Vice-President, Exploration and Development, commented: "Drilling in the A2 High Grade Domain continues to return exceptional results as shown by the abundant dense accumulations of massive to semi-massive pitchblende in drill hole AR-16-78c4, which has materially expanded this domain.  In addition, our regional drilling 1.3 km northeast of the Arrow deposit has discovered anomalous radioactivity at Cannon.  This new area confirms the large and robust nature of the uranium mineralizing system responsible for the Arrow deposit and Bow zone which hosts potential for additional discoveries along the Patterson Conductor Corridor."

Leigh Curyer, Chief Executive Officer commented: "The objectives for the winter 2016 drilling program have been met on all fronts. Arrow infill drilling continues to confirm the robustness of mineralization with AR-16-78c4 ranking as one of the best radioactive results to date at Arrow. The early signs at Cannon are very encouraging and will be a focus of summer 2016 drill program balanced with continual Arrow infill, zone expansion, and testing to the southwest along the conductor corridor. These results place multiple demands on the available drill rigs and management will continue to systematically allocate meters in an optimal manner within the program objectives."


Table 2: Arrow Deposit Drill Hole Data

Drill Hole

Athabasca
Group -
Basement
Unconformity
Depth (m)

Handheld Scintillometer Results (RS-120)

Hole ID

Azimuth

Dip

Total
Depth
(m)

From (m)

To (m)

Width (m)

CPS Range

AR-16-78c4

138

-68

705.00

110.95

369.50

372.00

2.50

<500 -  1300

390.50

391.00

0.50

<500 -  800

393.50

396.00

2.50

<500 -  1500

400.50

404.00

3.50

<500 -  2100

441.50

450.50

9.00

<500 -  850

469.00

477.00

8.00

<500 -  3400

481.00

517.50

36.50

<500 -  >61000

523.00

555.00

32.00

<500 -  >61000

557.50

560.50

3.00

<500 -  9000

563.50

564.50

1.00

<500 -  900

575.50

579.50

4.00

<500 -  12000

583.50

584.00

0.50

<500 -  1200

586.50

598.00

11.50

<500 -  >61000

604.50

605.50

1.00

<500 -  1100

613.50

622.50

9.00

<500 -  50000

633.50

637.50

4.00

<500 -  820

640.00

640.50

0.50

<500 -  1200

644.50

645.00

0.50

<500 -  520

653.50

654.00

0.50

<500 -  2100

658.50

660.00

1.50

<500 -  2900

663.50

678.50

15.00

<500 -  2900

682.50

683.00

0.50

<500 -  1100

AR-16-79

140

-70

954.00

85.00

No Anomalous Radioactivity

AR-16-80c1

147

-70

796.00

120.20

433.50

435.00

1.50

<500 -  17500

440.50

441.50

1.00

<500 -  2800

446.50

456.00

9.50

<500 -  6900

461.00

467.00

6.00

<500 -  4300

486.00

490.00

4.00

<500 -  1000

504.00

505.50

1.50

<500 -  550

520.00

520.50

0.50

<500 -  520

526.00

526.50

0.50

<500 -  1700

542.50

543.00

0.50

<500 -  590

545.50

550.00

4.50

<500 -  950

561.50

563.50

2.00

<500 -  32000

575.50

579.00

3.50

<500 -  1700

581.50

582.00

0.50

<500 -  530

598.00

600.00

2.00

<500 -  1000

606.50

607.50

1.00

<500 -  780

614.00

615.00

1.00

<500 -  3300

617.50

618.00

0.50

<500 -  1250

620.50

632.00

11.50

<500 -  3300

665.00

665.50

0.50

<500 -  5000

671.00

672.50

1.50

<500 -  3440

677.00

678.00

1.00

<500 -  3150

690.00

690.50

0.50

<500 -  3100

721.00

723.50

2.50

<500 -  1700

731.00

731.50

0.50

<500 -  510

739.00

742.00

3.00

<500 -  9000

AR-16-80c2

147

-70

561.00

120.20

456

457.5

1.5

<500 -  1200

463.5

468.5

5

<500 -  >61000

475

476

1

<500 -  2500

478.5

479

0.5

<500 -  520

495.5

501

5.5

<500 -  >61000

517

517.5

0.5

<500 -  570

527.5

528

0.5

<500 -  1450

AR-16-80c3

147

-70

585.00

120.20

450.5

451.5

1

<500 -  2300

469

470.5

1.5

<500 -  24000

474.5

481

6.5

<500 -  3400

485

485.5

0.5

<500 -  650

488.5

509

20.5

<500 -  45000

516

516.5

0.5

<500 -  600

519

520

1

<500 -  1400

537.5

544.5

7

<500 -  2100

AR-16-81c1

145

-69

846.00

111.00

474.5

475

0.5

500 -  2900

479.5

480

0.5

<500 -  1100

488

507

19

<500 -  56000

517.5

518.5

1

<500 -  3000

522.5

523

0.5

<500 -  750

534

534.5

0.5

<500 -  540

555.5

556

0.5

<500 -  800

586

586.5

0.5

520 -  12000

600

602

2

520 -  2600

613.5

615.5

2

<500 -  1200

621.5

622

0.5

<500 -  700

634

634.5

0.5

<500 -  700

640

640.5

0.5

<500 -  2700

643

644

1

<500 -  600

654

656

2

<500 -  2300

669.5

670

0.5

500 -  4700

691.5

692

0.5

<500 -  520

696.5

714.5

18

<500 -  6000

720

732

12

<500 -  17500

734.5

742.5

8

<500 -  38000

752.5

753.5

1

<500 -  1300

759.5

764.5

5

<500 -  4400

768.5

769

0.5

<500 -  1600

772

775

3

<500 -  34000

778.5

779.5

1

<500 -  850

798

798.5

0.5

<500 -  4700

AR-16-82c1

140

-75

834.00

N/A

604.5

605

0.5

<500 -  1500

656

656.5

0.5

<500 -  660

790

790.5

0.5

<500 -  540

795

795.5

0.5

<500 -  1400

798

799.5

1.5

<500 -  14000

AR-16-83

140

-75

792.00

N/A

No Anomalous Radioactivity

 

Parameters:

  • Maximum internal dilution 2.00 m downhole
  • All depths and intervals are meters downhole
  • "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

Natural gamma radiation in drill core reported in this news release was measured in counts per second (cps) using a Radiation Solutions Inc. RS-120 gamma scintillometer. The reader is cautioned that total count gamma readings may not be directly or uniformly related to uranium grades of the rock sample measured; they should be used only as a preliminary indication of the presence of radioactive minerals. All intersections are downhole. True thicknesses are yet to be determined.

Split core samples will be taken systematically, and intervals will be submitted to SRC Geoanalytical Laboratories (an SCC ISO/IEC 17025: 2005 Accredited Facility) of Saskatoon for analysis. All samples sent to SRC will be analyzed using ICP-MS for trace elements on partial and total digestions, ICP-OES for major and minor elements on a total digestion, and fusion solution of boron by ICP-OES. Mineralized samples are analyzed for U3O8 by ICP-OES and select samples for gold by fire assay. Assay results will be released when received and after stringent internal QA/QC protocols are passed.

The technical information in this news release has been approved by Garrett Ainsworth, P.Geo., Vice President – Exploration & Development, a qualified person for the purposes of National Instrument 43- 101 – Standards of Disclosure for Mineral Projects. Mr. Ainsworth reviewed the data disclosed in this news release, including the sampling, analytical and test data underlying the information contained in this news release.

The mineral resource at the Arrow Deposit was completed by RPA Inc. and has an effective date of January 14, 2016. The mineral resource is reported at a cut-off grade of 0.25% U3O8. The cut-off is based on a long-term uranium price of USD$65/lb U3O8. The mineral resource is classified into the inferred category based on the CIM Definition Standards. For details regarding the geology and mineralization of the Arrow Deposit, the drilling, sampling and analytical procedures followed and the estimation methodology used in the preparation of the mineral resources, please refer to the Company's Amended and Restated News Release dated March 3, 2016, which is available under the Company's profile on the SEDAR website at www.sedar.com.

ARROW DEPOSIT DRILLING

AR-16-78c4

Hole AR-16-78c4 was a directional hole that departed pilot hole AR-16-78c3 at a depth of 265 m. It tested the A2 shear 28 m down-dip and northeast of AR-15-34b (2.20% U3O8 over 70.0 m in the A2 shear). Directional drilling was initiated at 279 m and the A2 shear was intersected at an inclination of -74°.

Since the hole departed the pilot hole below the unconformity, no Athabasca Group sandstones were intersected. Basement lithologies consisted largely of semipelitic gneiss to granofel, and relatively narrow intervals of pelitic gneiss and mylonite (the A2 shear). The hole successfully intersected weakly to strongly anomalous radioactivity in the higher grade sub-zone of the A2 shear that was associated with dense accumulations of massive pitchblende. Stringers, worm-rock style, chemical solution fronts, blebs and flecks of pitchblende were also intersected. A total composite mineralization of 147.0 m including 37.4 m of off-scale radioactivity (>10,000 ->61,000 cps) was intersected within a 313.5m section (369.5 to 683.0 m). The hole was terminated at 705 m.

AR-16-79

Hole AR-16-79 was a collared from surface at an angled orientation (-70° dip) to the southeast (140° azimuth). It was designed to test for the presence of mineralization 630 m southwest of the Arrow deposit in an area of no previous drilling.

The hole intersected 1 m of bleached Athabasca Group sandstones above the unconformity at 85 m.  Basement lithologies consisted of largely of semipelitic gneiss to granofel, and relatively narrow intervals of pelitic gneiss, orthogneiss, garnetite and mylonite. Highly prospective graphitic shear zones were intersected over several intervals in the hole which are interpreted to correspond to those that host the Arrow deposit. No anomalous radioactivity was encountered in the hole before it was terminated at 954 m. More drilling is required to fully assess this highly prospective area.

AR-16-80c1

Hole AR-16-80c1 was a directional hole collared from surface at an angled orientation (-70° dip) to the southeast (147° azimuth). It tested the A2 shear 23 m up-dip and southwest of AR-15-54c1 (7.03% U3O8 over 39.5 m in the A2 shear) and the A3 shear 28 m down-dip and southwest of AR-15-58c2 (0.61% U3O8 over 9.5 m in the A3 shear). Directional drilling was initiated at 228 m. The A2 and A3 shears were both intersected at an inclination of -63°.

The hole intersected pervasively bleached and desilicified Athabasca Group sandstones between 90.0 m and the unconformity at 112.2 m. Basement lithologies consisted largely of semipelitic gneiss to granofel, and relatively narrow intervals of pelitic gneiss and mylonite (the A2 through A4 shears). The hole successfully intersected widespread anomalous radioactivity in the A2 through A4 shears that was associated with semi-massive veins, blebs and flecks of pitchblende. A total composite mineralization of 61.0 m including 0.45 m of off-scale radioactivity (>10,000 – 32,000 cps) was intersected within a 308.5 m section (433.5 to 742.0 m). In the A2 shear, 24.5 m of composite mineralization was intersected including 0.25 m of off-scale radioactivity. In the A3 shear, 27.0 m of composite mineralization was intersected including 0.2 m of off-scale radioactivity. In the A4 shear, 9.5 m of composite mineralization was intersected.  The hole was terminated at 792 m.

AR-16-80c2

Hole AR-16-80c2 was a directional hole that departed pilot hole AR-16-80c1 at a depth of 231 m. It tested the A2 shear 20 m up-dip and northeast of AR-15-59c2 (5.42% U3O8 over 68.5 m in the A2 shear). Directional drilling was initiated at 243 m and the A2 shear was intersected an inclination of -64°.

Since the hole departed the pilot hole below the unconformity, no Athabasca Group sandstones were intersected. Basement lithologies consisted largely of semipelitic gneiss to granofel, and relatively narrow intervals of pelitic gneiss and mylonite (the A2 shear). The hole successfully intersected widespread anomalous radioactivity in the A2 shear that was associated with semi-massive to massive veins, stringers, chemical solution fronts, blebs and flecks of pitchblende. A total composite mineralization of 14.5 m including 3.0 m of off-scale radioactivity (>10,000 - >61,000 cps) was intersected within a 72.0 m section (456.0 to 528.0 m) before the hole was terminated at 561 m.

AR-16-80c3

Hole AR-16-80c3 was a directional hole that departed pilot hole AR-16-80c2 at 246 m. It tested the A2 shear 26 m up-dip and northeast of AR-15-59c2 (5.42% U3O8 over 68.5 m in the A2 shear). Directional drilling was initiated at 276 m and the A2 shear was intersected at an inclination of -65°.

Since the hole departed the pilot hole below the unconformity, no Athabasca Group sandstones were intersected. Basement lithologies consisted largely of semipelitic gneiss to granofel, and relatively narrow intervals of pelitic gneiss and mylonite (the A2 shear). The hole successfully intersected widespread anomalous radioactivity in the A2 shear that was associated with stringers, chemical solution fronts, blebs and flecks of pitchblende. A total composite mineralization of 38.5 m including 2.4 m of off-scale radioactivity (>10,000 -45,000 cps) was intersected within a 94.0 m section (450.5 to 544.5 m) before the hole was terminated at 585 m. 

AR-16-81c1

Hole AR-16-81c1 was a directional hole collared from surface at an angled orientation (-69° dip) to the southeast (145° azimuth). It tested the A2 shear 21 m up-dip and southwest of AR-15-59c2 (5.42% U3O8 over 68.5 m in the A2 shear) and the A3 shear 21 m up-dip and southwest of AR-15-59c1 (0.46% U3O8 over 6.5 m in the A3 shear). Directional drilling was intersected at 249 m. The A2 and A3 shears were both intersected at an inclination of -64°.

The hole intersected strongly to intensely bleached and desilicified Athabasca Group sandstones between 90.5 and the unconformity at 111.0 m. Basement lithologies consisted largely of semipelitic gneiss to granofel, and relatively narrow intervals of pelitic gneiss and mylonite (the A2 through A4 shears). The hole successfully intersected widespread anomalous radioactivity in the A2 through A4 shears that was associated with stringers, chemical solution fronts, blebs and flecks of pitchblende. A total composite mineralization of 81.5 m including 2.3 m of off-scale radioactivity (>10,000 -56,000 cps) was intersected within a 324.0 m section (474.5 to 798.5 m). In the A2 shear, 22.0 m of composite mineralization was intersected including 1.65 m of off-scale radioactivity. In the A3 shear, 10.0 m of composite mineralization was intersected including 0.15 m of off-scale radioactivity. In the A4 shear, 49.5 m of composite mineralization including 0.5 m of off-scale radioactivity was intersected. The hole was terminated at 850 m.

AR-16-82c1

Hole AR-16-82c1 was a directional hole collared from surface at an angled orientation (-75° dip) to the southeast (140° azimuth). It tested the A4 shear as a 120 m up-dip and northeast step-out from AR-16-77c2 (2.3 m of off-scale radioactivity in the A4 shear; assays pending).  Directional drilling was initiated at 159.0 m and the A4 shear was intersected at an inclination of -70°.

Basement lithologies were intersected beginning at 93.0 m which consisted largely of semipelitic gneiss to granofel, and relatively narrow intervals of pelitic gneiss and mylonite (the A2 through A4 shears). No Athabasca Group sandstones were intersected. The hole successfully intersected anomalous radioactivity to southeast of the A4 shear that was associated with stringers of, and fracture-controlled pitchblende mineralization.  A total composite mineralization of 3.5 m including 0.25 m of off-scale radioactivity (>10,000 - 14,000 cps) was intersected within a 195.0 m section (604.5 to 799.5 m) before the hole was terminated at 834 m.

AR-16-83

Hole AR-16-83 was collared from surface at an angled orientation (-70° dip) to the southeast (140° azimuth).  It was collared 125 m southeast of AR-16-79 and designed to test for the presence of mineralization 600 m southwest of the Arrow deposit in an area of no previous drilling.

Basement lithologies were intersected beginning at 87.0 m which consisted largely of semipelitic gneiss to granofel, and relatively narrow intervals of pelitic gneiss and mylonite. No Athabasca Group sandstones were intersected. Highly prospective graphitic shear zones were intersected over several intervals in the hole which are interpreted to correspond to those that host the Arrow deposit. No anomalous radioactivity was encountered in the hole before it was terminated at 792 m. More drilling is required to fully assess this highly prospective area.

CANNON AREA DRILLING

Holes CN-16-01 through CN-16-11 were collared at angled orientations to the northwest, mostly at azimuths of 335° with dips of -70°.  Athabasca Group sandstones of various thickness were intersected in every hole. Basement lithologies consisted largely of semipelitic gneiss, pelitic gneiss, quartzite and orthogneiss, with relatively narrow intervals of chloritic and graphitic mylonite. All 11 holes intersected strong to intense hydrothermal alteration envelopes typically marked by illite-sudoite-hemaite- mineral assemblages. Holes CN-16-01, -02, -06 and -10 intersected narrow zones of anomalous radioactivity from greater than 300 to 1,300 cps over intervals from 0.5 to 1.5 m of core length, which were in close association with mylonitic shear zones. Note that for regional holes, the Company defines anomalous radioactivity as greater than 300 cps as measured on the drill core by handheld scintillometer (RS-120). The alteration zones remain open in all directions, and at the unconformity, and further drilling is planned for the summer 2016 program.

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 highly prospective uranium exploration assets in the Athabasca Basin, Saskatchewan, Canada, including a 100% interest in Rook I, location of the Arrow Discovery in February 2014. The Arrow Deposit's maiden Inferred mineral resource estimate is 201.9 M lbs U3O8 contained in 3.48 M tonnes grading 2.63% U3O8.  Rook I also hosts the Bow Discovery which is 3.7 km along trend and northeast of Arrow and was made in March 2015.

The TSXV has neither approved nor disapproved the contents of this press release. Neither the TSXV nor its Regulation Services Provider (as that term is defined in the policies of the TSXV) accepts responsibility for the adequacy or accuracy of this release.

Forward-Looking Information

This news release contains "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, including, without limitation, the proposed use of proceeds and planned exploration activities. 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 connation thereof.

Such forward-looking information and statements are based on numerous assumptions, including among others, that the results of planned exploration activities are as anticipated, the price of uranium, the anticipated cost of planned exploration activities, that general business and economic conditions will not change in a material adverse manner, that financing will be available if and when needed and on reasonable terms, and that third party contractors, equipment and supplies and governmental and other approvals required to conduct the Company's planned exploration activities will be available on reasonable terms and in a timely 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 events or results in future periods to differ materially from any projections of future events or results 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 additional financing, no known mineral reserves or resources, pending assay results may not be consistent with preliminary results, discretion in the use of proceeds, alternative sources of energy, aboriginal title and consultation issues, reliance on key management and other personnel, potential downturns in economic conditions, actual results of exploration activities being different than anticipated, changes in exploration programs based upon results, availability of third party contractors, availability of equipment and supplies, failure of equipment to operate as anticipated; accidents, effects of weather and other natural phenomena and other risks associated with the mineral exploration industry, environmental risks, changes in laws and regulations, community relations and delays in obtaining governmental or other approvals.

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.

Image with caption: "Figure 1: Arrow Drill Hole Locations (CNW Group/NexGen Energy Ltd.)". Image available at: http://photos.newswire.ca/images/download/20160418_C1131_PHOTO_EN_667467.jpg

Image with caption: "Figure 2: Cannon Drill Hole Locations (CNW Group/NexGen Energy Ltd.)". Image available at: http://photos.newswire.ca/images/download/20160418_C1131_PHOTO_EN_667469.jpg

Image with caption: "Figure 3: AR-16-78c4 Cross Section (CNW Group/NexGen Energy Ltd.)". Image available at: http://photos.newswire.ca/images/download/20160418_C1131_PHOTO_EN_667471.jpg

Image with caption: "Figure 4: A2 Mineralized Shear Long Section (Close-Up of Sub-Zone) (CNW Group/NexGen Energy Ltd.)". Image available at: http://photos.newswire.ca/images/download/20160418_C1131_PHOTO_EN_667473.jpg

Image with caption: "Figure 5: A2 Mineralized Shear Long Section (CNW Group/NexGen Energy Ltd.)". Image available at: http://photos.newswire.ca/images/download/20160418_C1131_PHOTO_EN_667475.jpg

Image with caption: "Figure 6: A3 Mineralized Long Section (CNW Group/NexGen Energy Ltd.)". Image available at: http://photos.newswire.ca/images/download/20160418_C1131_PHOTO_EN_667477.jpg

For further information: Leigh Curyer, Chief Executive Officer, NexGen Energy Ltd., +1 604 428 4112, lcuryer@nexgenenergy.ca, www.nexgenenergy.ca; Travis McPherson, Corporate Development Manager, NexGen Energy Ltd., +1 604 428 4112, tmcpherson@nexgenenergy.ca, http://www.nexgenenergy.ca

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www.nexgenenergy.ca

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