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NexGen Energy Ltd. ("NexGen" or the "Company") (TSX:NXE, NYSE MKT:NXE) is pleased to report radioactivity results for fifty-four holes comprising 30,208 m from Arrow, South Arrow and regional exploration as part of our now concluded winter drilling program on our 100% owned, Rook I property, in the Athabasca Basin, Saskatchewan.
Highlights:
Discovery of A0 Shear
Follow up drilling to the northwest of the Arrow deposit (where hole GAR-17-001 recently discovered mineralization that returned 8.0 m at 1.43% U3O8) has successfully confirmed mineralization in a new shear named the "A0 Shear".
-- AR-18-187c3 intersected 33.0 m of total composite mineralization including 0.3 m of total composite off-scale radioactivity (>10,000 to 17,000 cps) within a 67.5 m section (535.5 to 603.0 m) in the A0 shear.
New Mineralization Intersected 160 m Northwest of the AO Shear
Furthermore, the last hole of the 2018 winter program intersected off-scale mineralization 160 m northwest of the A0 shear. This new area of mineralization has yet to be defined, meaning the northwest remains completely open and untested for the future expansion of the Arrow Deposit.
-- AR-18-208c1 intersected 10.5 m of total composite mineralization including 0.2 m of total composite off-scale radioactivity (>10,000 to 32,800 cps) within a 182.5 m section (562.0 to 744.5 m) northwest of the A0 shear zone.
Mineralization Intersected to the Northeast of the A1 and A2 Shears
Drilling focused to the northeast of the Arrow Deposit, testing 50 m along strike from known mineralization at varying elevations intersected significant mineralization within the A1 and A2 shears. The systematic step-outs to the northeast show that Arrow remains largely open and untested at these elevations in the A1 and A2 shears.
-- AR-18-189c4 intersected 40.0 m of total composite mineralization including 3.9 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 54.0 m section (820.0 to 874.0 m) in the A1 and A2 shears. The hole successfully expanded both the A1 and A2 shear zones to the northeast of existing A1 and A2 inferred resource grade shells.
A2 Shear Expansion
-- AR-18-186c1 intersected 28.5 m of total composite mineralization including 5.3 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 45.0 m section (507.5 to 552.5 m) in the A2 shear. The hole successfully expanded the thickness of the A2 shear zone to the northeast of the current A2 Inferred resource grade shells.
-- AR-18-200c2 intersected 36.0 m of total composite mineralization including 5.1 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 43.0 m section (739 to 782.0 m) in the A2 shear. The hole expanded the thickness of the A2 shear zone, down-dip from the existing A2 high-grade domain.
A3 Shear Infill
Positive infill drill results from the A3 high-grade domains continued, where the objective was to convert Inferred to Indicated Mineral Resources, where the Indicated Mineral Resources only will be incorporated into the Pre-Feasibility Study scheduled for Q3/2018 release.
-- AR-18-202c1 intersected 40.0 m of total composite mineralization including 4.55 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 119.5 m section (477.5 to 597.0 m) in the A3 shear. The hole was designed as a 25 m infill hole in the A3 high-grade domain with an objective to convert Inferred to Indicated Mineral Resources.
-- AR-18-186c2 intersected 55.0 m of total composite mineralization including 3.75 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 123.0 m section (393.0 to 516.0 m) in the A3 shear. The hole was designed as a 25 m infill hole in the A3 high-grade domain with an objective to convert Inferred to Indicated Mineral Resources.
-- AR-18-197c3 intersected 40.0 m of total composite mineralization including 3.55 m of total composite off-scale radioactivity (>10,000 to >61,000 cps) within a 116.5 m section (595.0 to 711.5 m) in the A3 shear. The hole was designed as a 25 m infill hole in the A3 high-grade domain with an objective to convert Inferred to Indicated Mineral Resources.
Regional Exploration
South Arrow
Expansion drilling intersected mineralization including off-scale radioactivity which was 175 m southwest of the main zone of mineralization at South Arrow. The target area remains prospective for future exploration and expansion.
-- AR-18-199c1 intersected 9.5 m of total composite mineralization including 0.1 m of total composite off-scale radioactivity (>10,000 to 13,500 cps) within a 32.5 m section (345.5 to 378.0 m).
Patterson Conductor Corridor
Regional drilling on the Patterson Corridor focused on two high priority target areas, which included Mirror and the Arrow VTEM Conductor. The Mirror target area is located 1.5 km southeast of the Arrow Deposit along a parallel conductor. The drill holes in the area successfully intersected the targeted VTEM conductor but did not encounter significant uranium mineralization. The Arrow Conductor is situated approximately 2.5 km southwest and along strike from the Arrow Deposit, hosted within the same VTEM conductor. Arrow-type silicified semi-pelitic gneiss was intersected throughout in all of the 6 holes drilled in the area. Moderate to intense sericitic alteration, similar to Arrow-type alteration found proximal to the Arrow deposit was intersected in several of the drill holes.
Drill hole locations and long sections are shown in Figures 1 to 4. Drill hole descriptions can be found at www.nexgenenergy.ca
Development, Activities & Financial
-- The Arrow Deposit remains open in most directions, with high potential for future high-grade discoveries in close proximity to existing mineral resources.
-- Pre-feasibility staged technical studies including geotechnical work, hydrogeological work, and metallurgy continue in advance of the updated Mineral Resource Estimate and maiden Pre-Feasibility Study scheduled for the end of Q3 / early Q4 2018.
-- The Company has cash on hand of approximately ~$150 million.
Troy Boisjoli, Vice-President, Operations and Project Development, commented: "The four winter 2018 drill program objectives were successfully reached. Two significant exploration initiatives resulted in the discovery of an A0 shear zone, and secondly testing 160 m northwest of the A0 shear has also intersected intense mineralization within another, yet to be defined zone which remains open. Additionally, expansion of Mineral Resources within the A1 and A2 shear zones from the AR-18-189 series holes demonstrate Arrow remains open on strike. The continued success of resource expansion and near Arrow exploration drilling, from my experience, indicates the absolute scale of the Arrow Deposit will not be fully realized without significantly more drilling and ultimately, not until underground. Furthermore, the infill drilling highlights the robustness of the Arrow Mineral Resource model and has maximized available Indicated Mineral Resources for the purpose of the maiden Pre-Feasib ility Study. Regional exploration testing along strike from the Arrow Deposit successfully intersected prospective, Arrow-type alteration and lithological packages which highlights the potential for future discoveries along the Patterson Lake Corridor. The team is looking forward to testing the new A0 shear, northwest of the A0, northeast of the A1 and A2 and to the southwest of Arrow during summer 2018. "
Leigh Curyer, Chief Executive Officer, commented: "The targeted winter drill campaign focused on converting Inferred to Indicated, expanding the overall footprint in previously untested areas and understanding future growth potential of Arrow. All of these were successfully achieved and with the discovery of the A0, intense mineralization 160m to the northwest of the A0, and to the northeast of the A1 and A2 shears, suggests substantial drilling is required to determine the ultimate extent of Arrow. Troy and his team are already in planning for a summer 2018 exploration and development program."
Table 1: Arrow Drill Hole Data
Drill Hole Athabasca Handheld Scintillometer Results (RS-120)
Group -
Basement
Unconformity
Depth (m)
Hole ID Azimuth Dip Total From (m) To (m) Width CPS Range
Depth (m) (m)
AR-18-186c1 330 -68 840.50 132.00 389.00 392.00 3.00 !!!!500 - 33000
405.50 406.00 0.50 !!!!500 - 1020
412.50 413.50 1.00 !!!!500 - 8000
417.00 426.50 9.50 !!!!500 - 9000
430.00 441.50 11.50 !!!!500 - 61000
446.00 446.50 0.50 !!!!500 - 850
454.00 462.50 8.50 !!!!500 - 3800
467.50 469.00 1.50 !!!!500 - 1480
507.50 514.50 7.00 !!!!500 - 1450
531.00 552.50 21.50 !!!!500 - 61000
582.50 583.00 0.50 !!!!500 - 860
585.50 586.00 0.50 !!!!500 - 600
590.00 597.50 7.50 !!!!500 - 61000
666.00 666.50 0.50 !!!!500 - 680
745.00 746.50 1.50 !!!!500 - 1900
AR-18-186c2 330 -68 561.50 N/A 393.00 394.50 1.50 !!!!500 - 1700
406.00 407.00 1.00 !!!!500 - 2300
411.00 411.50 0.50 !!!!500 - 2740
432.00 435.50 3.50 !!!!500 - 12000
442.50 445.00 2.50 !!!!500 - 61000
448.00 452.50 4.50 !!!!500 - 16000
455.50 476.00 20.50 !!!!500 - 61000
479.50 482.50 3.00 !!!!500 - 1720
487.50 488.00 0.50 !!!!500 - 520
492.00 505.00 13.00 !!!!500 - 4700
507.50 508.50 1.00 !!!!500 - 2300
512.50 516.00 3.50 !!!!500 - 1800
550.00 554.00 4.00 !!!!500 - 1250
AR-18-187c1 327 -70 657.50 117.00 237.50 238.00 0.50 !!!!500 - 9400
276.50 308.00 31.50 !!!!500 - 5800
316.00 320.50 4.50 !!!!500 - 2710
325.50 326.00 0.50 !!!!500 - 505
333.00 333.50 0.50 830 - 2690
350.00 350.50 0.50 !!!!500 - 1730
402.50 406.50 4.00 !!!!500 - 850
421.00 423.50 2.50 !!!!500 - 1500
437.00 444.00 7.00 !!!!500 - 1490
478.50 481.50 3.00 !!!!500 - 1100
521.00 523.50 2.50 !!!!500 - 26000
AR-18-187c2 327 -70 930.50 N/A 281.00 283.50 2.50 !!!!500 - 930
301.50 328.50 27.00 !!!!500 - 5230
331.00 331.50 0.50 750 - 1000
335.50 343.00 7.50 !!!!500 - 1160
346.50 347.00 0.50 !!!!500 - 710
356.50 357.00 0.50 !!!!500 - 600
394.50 395.00 0.50 !!!!500 - 900
398.50 399.00 0.50 !!!!500 - 540
405.50 411.00 5.50 !!!!500 - 1100
414.00 431.00 17.00 !!!!500 - 61000
455.50 456.00 0.50 !!!!500 - 520
487.00 495.00 8.00 !!!!500 - 1270
892.50 893.50 1.00 !!!!500 - 780
AR-18-187c3 327 -70 914.50 N/A 280.50 282.00 1.50 !!!!500 - 700
288.00 302.00 14.00 !!!!500 - 6580
309.00 315.50 6.50 !!!!500 - 3400
330.00 347.50 17.50 !!!!500 - 3400
350.50 352.50 2.00 !!!!500 - 1210
359.50 360.50 1.00 !!!!500 - 720
408.50 413.00 4.50 !!!!500 - 1200
426.00 428.50 2.50 !!!!500 - 880
535.50 536.50 1.00 !!!!500 - 690
547.00 548.50 1.50 !!!!500 - 17000
552.50 557.00 4.50 !!!!500 - 3590
559.50 560.50 1.00 !!!!500 - 710
563.50 580.00 16.50 !!!!500 - 2040
583.50 585.50 2.00 !!!!500 - 1260
596.50 603.00 6.50 !!!!500 - 9800
AR-18-187c4 327 -70 918.50 N/A 283.00 330.50 47.50 !!!!500 - 33000
339.50 340.00 0.50 !!!!500 - 550
401.00 404.50 3.50 !!!!500 - 3000
407.50 408.00 0.50 !!!!500 - 720
412.50 417.00 4.50 !!!!500 - 19500
419.50 427.00 7.50 !!!!500 - 27000
448.50 453.00 4.50 !!!!500 - 2800
460.00 460.50 0.50 !!!!500 - 540
675.50 677.50 2.00 !!!!500 - 1600
AR-18-188c1 327 -70 519.00 125.65 420.00 420.50 0.50 !!!!500 - 630
432.00 432.50 0.50 !!!!500 - 680
477.50 478.00 0.50 !!!!500 - 550
483.50 489.00 5.50 !!!!500 - 1800
AR-18-188c2 327 -70 582.00 N/A 428.00 428.50 0.50 !!!!500 - 620
432.50 434.00 1.50 !!!!500 - 1050
486.50 487.00 0.50 !!!!500 - 725
493.00 495.00 2.00 !!!!500 - 15400
500.00 501.50 1.50 !!!!500 - 40000
505.50 507.00 1.50 !!!!500 - 61000
AR-18-188c3 327 -70 597.00 N/A 440.00 440.50 0.50 !!!!500 - 760
443.50 444.50 1.00 !!!!500 - 760
495.50 496.00 0.50 !!!!500 - 510
506.50 512.00 5.50 !!!!500 - 2100
517.00 519.00 2.00 !!!!500 - 9600
521.50 527.00 5.50 !!!!500 - 7800
558.50 559.00 0.50 !!!!500 - 560
AR-18-189c1 327 -70 984.50 128.00 704.00 705.00 1.00 !!!!500 - 1100
855.00 859.00 4.00 !!!!500 - 2258
867.00 871.00 4.00 !!!!500 - 8200
884.50 885.50 1.00 !!!!500 - 1400
AR-18-189c2 327 -70 1056.50 N/A No Anomalous Radioactivity
AR-18-189c3 327 -70 972.50 N/A 828.50 836.50 8.00 !!!!500 - 4700
843.50 848.00 4.50 !!!!500 - 2200
850.50 855.00 4.50 !!!!500 - 2400
862.50 873.00 10.50 !!!!500 - 5600
879.50 885.00 5.50 !!!!500 - 35000
AR-18-189c4 327 -70 930.50 N/A 820.00 826.00 6.00 !!!!500 - 61000
832.00 852.50 20.50 !!!!500 - 61000
855.50 868.50 13.00 !!!!500 - 18500
873.50 874.00 0.50 !!!!500 - 600
AR-18-189c5 327 -70 915.50 N/A 424.50 425.00 0.50 !!!!500 - 1240
798.50 802.50 4.00 !!!!500 - 24400
807.00 808.50 1.50 !!!!500 - 2000
812.50 813.00 0.50 !!!!500 - 840
816.50 819.50 3.00 !!!!500 - 950
829.50 832.50 3.00 !!!!500 - 8000
836.00 842.00 6.00 !!!!500 - 6800
AR-18-195c1 327 -70 519.50 N/A 395.50 396.00 0.50 !!!!500 - 600
406.50 407.00 0.50 !!!!500 - 1010
409.50 410.50 1.00 !!!!500 - 3700
414.00 415.00 1.00 !!!!500 - 39000
428.50 432.00 3.50 !!!!500 - 61000
436.00 465.00 29.00 !!!!500 - 61000
AR-18-195c2 327 -70 543.50 N/A 405.00 406.00 1.00 !!!!500 - 3000
409.00 409.50 0.50 !!!!500 - 630
415.50 416.00 0.50 !!!!500 - 20000
420.00 421.00 1.00 !!!!500 - 4500
431.00 433.00 2.00 !!!!500 - 61000
441.50 442.00 0.50 !!!!500 - 4800
446.00 451.00 5.00 !!!!500 - 22000
457.00 460.50 3.50 !!!!500 - 33000
463.00 463.50 0.50 !!!!500 - 1700
467.00 469.50 2.50 !!!!500 - 16000
472.50 486.00 13.50 !!!!500 - 61000
AR-18-195c3 327 -70 501.50 N/A 387.00 395.50 8.50 !!!!500 - 3200
398.00 405.00 7.00 !!!!500 - 8000
430.00 433.00 3.00 !!!!500 - 1060
436.00 437.00 1.00 !!!!500 - 1100
AR-18-197c1 327 -70 630.50 N/A 522.50 523.00 0.50 !!!!500 - 580
563.00 564.50 1.50 !!!!500 - 28000
575.50 576.50 1.00 !!!!500 - 60000
582.00 582.50 0.50 !!!!500 - 2050
587.00 591.50 4.50 !!!!500 - 2550
595.50 596.50 1.00 !!!!500 - 1300
606.50 608.50 2.00 !!!!500 - 1400
612.50 618.50 6.00 !!!!500 - 2200
623.00 627.00 4.00 !!!!500 - 830
630.00 630.50 0.50 !!!!500 - 1450
AR-18-197c2 327 -70 813.50 N/A 585.00 585.50 0.50 500 - 20500
594.50 598.00 3.50 !!!!500 - 5800
610.50 620.50 10.00 !!!!500 - 61000
624.00 629.50 5.50 !!!!500 - 2800
690.00 696.50 6.50 !!!!500 - 2700
703.50 704.00 0.50 !!!!500 - 700
719.00 719.50 0.50 !!!!500 - 1150
753.00 753.50 0.50 !!!!500 - 550
765.50 769.50 4.00 !!!!500 - 13200
AR-18-197c3 327 -70 723.50 N/A 549.00 549.50 0.50 !!!!500 - 570
586.00 586.50 0.50 !!!!500 - 7200
589.50 590.50 1.00 !!!!500 - 5800
595.00 596.00 1.00 500 - 61000
620.00 621.00 1.00 !!!!500 - 61000
630.50 631.00 0.50 !!!!500 - 780
634.50 635.00 0.50 !!!!500 - 3200
638.00 655.50 17.50 !!!!500 - 61000
659.00 661.50 2.50 !!!!500 - 7100
666.50 669.00 2.50 !!!!500 - 2550
673.00 674.00 1.00 !!!!500 - 1360
676.50 687.50 11.00 !!!!500 - 1630
703.00 703.50 0.50 !!!!500 - 1000
707.00 708.50 1.50 !!!!500 - 1800
711.00 711.50 0.50 !!!!500 - 530
AR-18-197c4 327 -70 858.50 N/A 607.00 608.50 1.50 !!!!500 - 61000
616.00 616.50 0.50 !!!!500 - 7600
632.50 634.00 1.50 !!!!500 - 61000
641.00 643.00 2.00 !!!!500 - 11500
645.50 646.50 1.00 !!!!500 - 8450
658.50 660.50 2.00 !!!!500 - 1000
664.00 665.00 1.00 !!!!500 - 1400
667.50 668.00 0.50 !!!!500 - 790
674.50 688.50 14.00 !!!!500 - 61000
697.50 698.00 0.50 !!!!500 - 505
744.50 745.00 0.50 !!!!500 - 590
759.00 760.00 1.00 !!!!500 - 2100
784.50 786.50 2.00 !!!!500 - 16600
789.50 790.50 1.00 !!!!500 - 2600
827.00 832.00 5.00 !!!!500 - 13000
835.50 838.00 2.50 !!!!500 - 4100
AR-18-200c1 327 -70 885.50 121.20 489.50 492.50 3.00 !!!!500 - 1900
530.50 531.50 1.00 !!!!500 - 6200
536.00 537.00 1.00 !!!!500 - 3600
606.50 607.00 0.50 !!!!500 - 6500
627.50 629.00 1.50 !!!!500 - 16000
634.50 635.00 0.50 !!!!500 - 1600
645.50 646.00 0.50 !!!!500 - 2000
651.00 651.50 0.50 !!!!500 - 27000
659.00 671.00 12.00 !!!!500 - 5000
674.00 689.50 15.50 !!!!500 - 4700
705.50 710.50 5.00 !!!!500 - 3250
714.00 716.00 2.00 !!!!500 - 2950
728.50 729.00 0.50 !!!!500 - 1290
737.50 740.50 3.00 !!!!500 - 3200
745.50 759.50 14.00 !!!!500 - 61000
763.50 774.00 10.50 !!!!500 - 24000
AR-18-200c2 327 -70 900.00 N/A 531.00 532.00 1.00 !!!!500 - 1100
536.00 536.50 0.50 !!!!500 - 810
644.50 647.50 3.00 !!!!500 - 21000
653.00 653.50 0.50 !!!!500 - 12800
672.50 692.00 19.50 !!!!500 - 3200
702.00 703.50 1.50 !!!!500 - 13000
721.50 736.50 15.00 !!!!500 - 5360
739.00 769.50 30.50 !!!!500 - 61000
772.00 774.00 2.00 !!!!500 - 1010
779.00 782.00 3.00 !!!!500 - 2300
835.00 835.50 0.50 !!!!500 - 690
AR-18-200c3 327 -70 882.50 N/A 618.50 619.00 0.50 !!!!500 - 4400
645.00 645.50 0.50 !!!!500 - 11000
648.50 649.00 0.50 !!!!500 - 2250
653.00 653.50 0.50 !!!!500 - 1100
664.00 664.50 0.50 !!!!500 - 530
667.00 671.00 4.00 !!!!500 - 4300
673.50 675.50 2.00 !!!!500 - 1890
679.00 683.50 4.50 !!!!500 - 15000
693.50 699.50 6.00 !!!!500 - 2500
715.00 726.00 11.00 !!!!500 - 1380
730.50 746.50 16.00 !!!!500 - 2400
758.00 759.50 1.50 !!!!500 - 61000
765.50 770.50 5.00 !!!!500 - 7300
810.00 810.50 0.50 !!!!500 - 650
AR-18-200c4 327 -70 870.50 N/A 503.00 503.50 0.50 !!!!500 - 940
514.50 515.00 0.50 !!!!500 - 1210
521.50 522.00 0.50 !!!!500 - 8750
611.50 616.50 5.00 !!!!500 - 23000
628.50 631.50 3.00 !!!!500 - 5600
634.50 639.00 4.50 !!!!500 - 21000
644.00 644.50 0.50 !!!!500 - 750
649.50 651.50 2.00 !!!!500 - 2220
654.50 656.50 2.00 !!!!500 - 2020
678.00 682.00 4.00 !!!!500 - 3200
724.00 744.00 20.00 !!!!500 - 54000
749.50 761.00 11.50 !!!!500 - 60000
766.00 767.50 1.50 !!!!500 - 3000
773.00 777.00 4.00 !!!!500 - 7100
781.00 788.50 7.50 !!!!500 - 4990
791.50 792.00 0.50 !!!!500 - 820
796.00 799.00 3.00 !!!!500 - 12100
AR-18-202c1 327 -70 600.50 N/A 451.00 452.00 1.00 !!!!500 - 1850
461.50 465.00 3.50 !!!!500 - 7750
473.50 474.50 1.00 !!!!500 - 720
477.50 483.00 5.50 !!!!500 - 30000
485.50 486.50 1.00 !!!!500 - 2100
495.50 509.50 14.00 !!!!500 - 61000
512.00 523.50 11.50 !!!!500 - 61000
528.00 529.00 1.00 !!!!500 - 6000
532.00 536.00 4.00 !!!!500 - 61000
541.00 541.50 0.50 !!!!500 - 15000
550.00 550.50 0.50 !!!!500 - 1100
565.00 566.50 1.50 !!!!500 - 800
596.50 597.00 0.50 !!!!500 - 550
AR-18-202c2 327 -70 621.50 N/A 368.50 369.50 1.00 !!!!500 - 1300
455.50 456.00 0.50 !!!!500 - 620
461.50 468.00 6.50 !!!!500 - 5600
478.50 479.50 1.00 !!!!500 - 1200
483.50 484.50 1.00 !!!!500 - 24000
494.50 495.00 0.50 !!!!500 - 630
504.00 509.50 5.50 !!!!500 - 16000
516.50 517.00 0.50 !!!!500 - 2500
522.00 524.50 2.50 !!!!500 - 39000
528.00 530.00 2.00 !!!!500 - 32000
532.50 533.00 0.50 !!!!500 - 740
543.50 544.50 1.00 !!!!500 - 2800
549.00 552.00 3.00 !!!!500 - 10800
571.50 576.50 5.00 !!!!500 - 61000
580.00 581.00 1.00 !!!!500 - 1700
593.50 595.00 1.50 !!!!500 - 1300
604.50 616.50 12.00 !!!!500 - 7800
AR-18-205c1 355 -70 571.00 103.15 No Anomalous Radioactivity
AR-18-206c1 327 -68 777.50 103.95 501.50 504.00 2.50 !!!!500 - 1000
553.50 557.50 4.00 !!!!500 - 14000
575.50 576.00 0.50 !!!!500 - 1300
584.00 585.50 1.50 !!!!500 - 16000
634.50 635.00 0.50 1000 - 61000
640.00 640.50 0.50 !!!!500 - 600
649.00 657.50 8.50 !!!!500 - 29000
671.50 676.50 5.00 !!!!500 - 34000
681.00 690.00 9.00 !!!!500 - 42000
694.50 695.00 0.50 !!!!500 - 1750
697.50 700.00 2.50 !!!!500 - 4900
712.50 717.50 5.00 !!!!500 - 890
726.00 726.50 0.50 !!!!500 - 2350
732.00 732.50 0.50 !!!!500 - 1150
738.00 738.50 0.50 !!!!500 - 530
742.00 745.50 3.50 !!!!500 - 5300
751.00 751.50 0.50 !!!!500 - 500
761.50 771.00 9.50 !!!!500 - 5200
AR-18-207c1 327 -68 1083.50 123.40 573.00 575.50 2.50 !!!!500 - 4000
580.50 581.00 0.50 !!!!500 - 1900
712.00 712.50 0.50 !!!!500 - 7500
AR-18-208c1 327 -68 802.70 108.15 198.50 199.00 0.50 !!!!500 - 1050
562.00 562.50 0.50 !!!!500 - 1350
598.00 598.50 0.50 !!!!500 - 1170
637.50 638.00 0.50 !!!!500 - 8900
662.00 662.50 0.50 !!!!500 - 600
686.00 688.50 2.50 !!!!500 - 32800
717.50 722.50 5.00 !!!!500 - 1020
743.50 744.50 1.00 !!!!500 - 660
AR-18-209c1 327 -68 762.50 115.60 500.50 507.00 6.50 !!!!500 - 1730
709.00 709.50 0.50 !!!!500 - 580
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
Table 2: South Arrow Drill Hole Data
Drill Hole Athabasca Handheld Scintillometer Results (RS-120)
Group -
Basement
Unconformity
Depth (m)
Hole ID Azimuth Dip Total From (m) To (m) Width CPS Range
Depth (m)
(m)
AR-18-190c1 315 -68 348.00 N/A No Anomalous Radioactivity
AR-18-191c1 315 -70 375.00 N/A No Anomalous Radioactivity
AR-18-192c1 315 -68 429.00 N/A 300.50 301.00 0.50 !!!!500 - 550
304.00 305.00 1.00 !!!!500 - 970
AR-18-193c1 315 -70 657.50 N/A No Anomalous Radioactivity
AR-18-194c1 315 -68 555.50 N/A 356.50 357.00 0.50 !!!!500 - 2800
375.50 376.00 0.50 !!!!500 - 505
457.50 458.00 0.50 !!!!500 - 570
470.00 470.50 0.50 !!!!500 - 550
478.00 479.00 1.00 !!!!500 - 850
AR-18-196c1 315 -67 615.50 N/A No Anomalous Radioactivity
AR-18-198c1 315 -68 543.00 N/A 338.50 339.50 1.00 !!!!500 - 1200
367.50 368.00 0.50 !!!!500 - 600
456.00 458.00 2.00 !!!!500 - 2200
460.50 465.00 4.50 !!!!500 - 3300
468.50 469.00 0.50 !!!!500 - 505
AR-18-199c1 315 -68 567.00 N/A 345.50 347.50 2.00 !!!!500 - 850
350.50 351.00 0.50 !!!!500 - 620
359.50 360.00 0.50 !!!!500 - 580
374.50 378.00 3.50 !!!!500 - 13500
AR-18-199c2 315 -68 486.00 N/A 402.00 402.50 0.50 !!!!500 - 700
AR-18-201c1 315 -66 444.00 N/A 252.00 252.50 0.50 !!!!500 - 630
AR-18-203c1 315 -66 510.50 N/A 253.50 254.00 0.50 !!!!500 - 790
AR-18-204c1 315 -66 524.00 N/A No Anomalous Radioactivity
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
Table 3: Regional Exploration Hole Data
Drill Hole Athabasca Handheld Scintillometer Results (RS-120)
Group -
Basement
Unconformity
Depth (m)
Hole ID Azimuth Dip Total From (m) To (m) Width CPS Range
Depth (m)
(m)
RK-18-120 140 -70 615.50 N/A No Anomalous Radioactivity
RK-18-121 340 -70 609.00 N/A No Anomalous Radioactivity
RK-18-122 320 -70 651.50 N/A No Anomalous Radioactivity
RK-18-123 340 -70 561.50 N/A No Anomalous Radioactivity
RK-18-124 340 -67 504.50 N/A No Anomalous Radioactivity
*RK-18-125 320 -66 496.00 N/A 290.00 291.50 1.50 !!!!500 - 4300
321.00 323.00 2.00 !!!!500 - 2700
RK-18-126 327 -66 532.50 N/A No Anomalous Radioactivity
RK-18-127 345 -66 423.50 N/A No Anomalous Radioactivity
RK-18-128 320 -66 407.00 N/A No Anomalous Radioactivity
RK-18-129 325 -66 399.00 N/A No Anomalous Radioactivity
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
-- *Mineralization listed in RK-18-125 was determined via a RS-125 Spectrometer to be of a Thorium source.
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 in February 2014, the Bow discovery in March 2015, the Harpoon discovery in August 2016 and the Arrow South discovery in July 2017. The Arrow deposit's updated mineral resource estimate with an effective date of December 20, 2016 was released in March 2017, and comprised 179.5 M lbs U3O8 contained in 1.18 M tonnes grading 6.88% U3O8 in the Indicated Mineral Resource category and an additional 122.1 M lbs U3O8 contained in 4.25 M tonnes grading 1.30% U3O8 in the Inferred Mineral Resource category.
Technical Information
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-ray 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.
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.
All scientific and technical information in this news release has been prepared by or reviewed and approved by Mr. Troy Boisjoli, Geoscientist Licensee, Vice President - Operations & Project Development for NexGen. Mr. Boisjoli is a qualified person for the purposes of National Instrument 43-101 Standards of Disclosure for Mineral Projects ("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.
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 "Technical Report on the Preliminary Economic Assessment of the Arrow Deposit, Rook 1 Property, Province of Saskatchewan, Canada" dated effective September 1, 2017 (the "Rook 1 Technical Report") prepared by Jason J. Cox, David M. Robson, Mark B. Mathisen, David A. Ross, Val Coetzee and Mark Wittrup, 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.
U.S. investors are advised that while the terms "indicated resources" and "inferred resources" are recognized and required by Canadian regulations, the U.S. Securities and Exchange Commission does not recognize these terms. U.S. investors are cautioned not to assume that any part or all of the material in these categories will ever be converted into mineral reserves.
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 permi ts 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 31, 2017 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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