Nexgen Releases Project Development-focused Summer 2018 Drilling Results – Hole Summaries

Arrow Shaft Pilot Holes

GAR-18-010

Hole GAR-18-010 was collared from surface at a vertical orientation (-90°) to the southeast (147° azimuth). This hole was designed as a shaft pilot hole for project development purposes at the Arrow Deposit. Directional drilling was initiated at 173.6 m. Bleached Athabasca sandstone was intersected from 83.4 m to the unconformity at 97.95 m. Basement lithologies are dominated by orthogneiss of variable composition, and semi-pelitic gneiss. Several deformation zones were intersected throughout. Anomalous radioactivity was intersected northwest of the A0 shear, in association with disseminated, fracture-controlled, and vein-controlled pitchblende mineralization. A total composite mineralization of 6.0 m was intersected within a 6.0 m section (549.0 to 555.0 m), northwest of the A0 shear. The hole was terminated at a depth of 650.44 m.

GAR-18-013

Hole GAR-18-013 was collared from surface at a vertical orientation (-90°) to the southeast (147° azimuth). This hole was designed as a shaft pilot hole for project development purposes at the Arrow Deposit. Directional drilling was initiated at 227.2 m. Bleached Athabasca sandstone was intersected from 86.4 m to the unconformity at 108.85 m. Basement lithologies are dominated by orthogneiss of variable composition, and semi-pelitic gneiss with narrow zones of quartz veins. Several deformation zones were intersected throughout. The hole was terminated at a depth of 650.4 m.

GAR-18-015

Hole GAR-18-015 was collared from surface at a vertical orientation (-90°) to the southeast (147° azimuth). This hole was designed as a shaft pilot hole for project development purposes at the Arrow Deposit. Directional drilling was initiated at 260.3 m. Bleached Athabasca sandstone was intersected from 76.05 m to the unconformity at 96.3 m. Basement lithologies are dominated by orthogneiss of various composition and semi-pelitic gneiss. No major structural zones were intersected. The hole was terminated at a depth of 701.47 m.

Arrow A2 Sub-Zone Geotechnical Characterization

GAR-18-016

Hole GAR-18-016 was collared from surface at an angled orientation (-65°) to the northwest (327° azimuth). This hole was designed as an infill hole in the high-grade domains of the A2 shear, and to provide geotechnical and hydrogeological characteristics for the area. The A2 shear was intersected at an inclination of -57.5°. Directional drilling was initiated at 180.0 m. Bleached Athabasca sandstone was intersected from 120.85 m to the unconformity at 128.8 m. Basement lithologies are dominated by semi-pelitic gneiss with narrow intervals of graphitic gneiss, and orthogneiss of various composition. The hole successfully intersected anomalous radioactivity in the A2 and A3 shears in association with stringers, disseminated, breccia-hosted, foliation-controlled, replacement-style, and semi-massive pitchblende mineralization. A total composite mineralization of 41.5 m including 10.7 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 135.5 m section (492.0 to 627.5 m). In the A2 shear, 38.5 m of total composite mineralization, including 10.7 m of off-scale radioactivity was intersected. In the A3 shear, 3.0 m of total composite mineralization was intersected. The hole was terminated at a depth of 660.0 m.

GAR-18-017

Hole GAR-18-017 was collared from surface at an angled orientation (-65°) to the northwest (327° azimuth). This hole was designed as an infill hole in the high-grade domains of the A2 shear, and to provide geotechnical and hydrogeological characteristics for the area. The A2 shear was intersected at an inclination of -57°. Directional drilling was initiated at 420.0 m. Bleached Athabasca sandstone was intersected from 118.4 m to the unconformity at 127.7 m. Basement lithologies are dominated by semi-pelitic gneiss with narrow intervals of graphitic gneiss, and orthogneiss of various composition. The hole successfully intersected anomalous radioactivity in the A2 through A4 shears in association with stringers, disseminated, breccia-, fracture-, and vein-hosted pitchblende mineralization. A total composite mineralization of 28.0 m including 2.6 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 261.0 m section (406.5 to 667.5 m). In the A2 shear, 14.0 m of total composite mineralization, including 2.25 m of off-scale radioactivity was intersected. In the A3 shear, 13.0 m of total composite mineralization, including 0.35 m of off-scale radioactivity was intersected. An additional 1.0 m of total composite mineralization was intersected in the A4 shear. The hole was terminated at a depth of 717.0 m.

Arrow Footwall Geotechnical Characterization

GAR-18-006

Hole GAR-18-006 was collared from surface at an angled orientation (-80°) to the southeast (147° azimuth). This hole was designed to provide geotechnical and hydrogeological characteristics 25 m away from a proposed shaft location at the Arrow Deposit. Bleached Athabasca Group sandstone was intersected from 80.5 m to the unconformity at 100.75 m. Basement lithologies consist of semi-pelitic gneiss and orthogneiss of variable composition. Several deformation zones were intersected throughout. Anomalous radioactivity was intersected northwest of the A0 shear, in association with disseminated, vein-controlled, and mineral-replacement pitchblende mineralization. A total composite mineralization of 5.0 m was intersected within an 82.5 m section (518.0 to 600.5 m), all northwest of the A0 shear. The hole was terminated at a depth of 737.4 m.

GAR-18-006a

Hole GAR-18-006a was collared from surface at an angled orientation (-80°) to the southeast (147° azimuth). This hole was designed to provide geotechnical and hydrogeological characteristics 25 m away from a proposed shaft pilot hole at the Arrow Deposit. Bleached Athabasca Group sandstone was intersected from 79.3 m to the unconformity at 101.0 m. Basement lithologies consist of moderately hematized and clay-altered of semi-pelitic gneiss. This hole was terminated at 155.4 m due to excessive deviation through the overburden.

GAR-18-007

Hole GAR-18-007 was collared from surface at an angled orientation (-68°) to the southeast (147° azimuth). This hole was designed to provide geotechnical and hydrogeological characteristics of the footwall for lateral development of the conceptual underground exploration drift. Directional drilling was initiated at 149.4 m. Bleached Athabasca Group sandstone was intersected from 71.0 m to the unconformity at 92.95 m. Basement lithologies are dominated by semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were intersected throughout. The hole was terminated at a depth of 671.4 m.

GAR-18-008

Hole GAR-18-008 was collared from surface at an angled orientation (-65°) to the southeast (147° azimuth). This hole was designed to provide geotechnical and hydrogeological characteristics of the footwall for lateral development of the conceptual underground exploration drift. Directional drilling was initiated at 329.6 m. Bleached Athabasca Group sandstone was intersected from 70.3 m to the unconformity at 96.0 m. Basement lithologies are dominated by semi-pelitic gneiss and orthogneiss of variable composition. Several broad zones of deformation were intersected throughout. Anomalous radioactivity was intersected northwest of the A0 shear, in association with fracture-hosted and mineral-replacement pitchblende mineralization. A total composite mineralization of 2.0 m was intersected within a 21.0 m section (597.0 to 618.0 m), all northwest of the A0 shear. The hole was terminated at a depth of 629.6 m.

GAR-18-009

Hole GAR-18-009 was collared from surface at an angled orientation (-70°) to the southeast (147° azimuth). This hole was designed to provide geotechnical and hydrogeological characteristics of the footwall for lateral development of the conceptual underground exploration drift. Directional drilling was initiated at 278.4 m. Bleached Athabasca Group sandstone was intersected from 81.55 m to the unconformity at 100.95 m. Basement lithologies are dominated by semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were intersected throughout. The hole was terminated at a depth of 641.4 m.

GAR-18-011

Hole GAR-18-011 was collared from surface at an angled orientation (-65°) to the southeast (147° azimuth). This hole was designed to provide geotechnical and hydrogeological characteristics of the footwall for lateral development of the conceptual underground exploration drift. Directional drilling was initiated at 350.05 m. Bleached Athabasca Group sandstone was intersected from 76.65 m to the unconformity at 95.0 m. Basement lithologies are dominated by semi-pelitic gneiss and orthogneiss of variable composition. No major structural zones were intersected. The hole was terminated at a depth of 799.5 m.

GAR-18-012

Hole GAR-18-012 was collared from surface at an angled orientation (-75°) to the northwest (327° azimuth). This hole was designed to provide geotechnical and hydrogeological characteristics of the footwall for lateral development, as well as to test for mineralization down-dip from GAR-18-006. Directional drilling was initiated at 494.4 m. Athabasca Group sandstone was not intersected. Basement lithologies are dominated by semi-pelitic gneiss with narrow intervals of graphitic gneiss. Several deformation zones were intersected throughout. Anomalous radioactivity was intersected northwest of the A0 shear, in associated with disseminated and fracture-controlled pitchblende mineralization. A total composite mineralization of 4.5 m was intersected within a 203.0 m section (564.5 to 767.5 m), northwest of the A0 shear. The hole was terminated at a depth of 1,043.4 m.

GAR-18-014

Hole GAR-18-014 was collared from surface at an angled orientation (-80°) to the northwest (327° azimuth). This hole was designed to provide geotechnical and hydrogeological characteristics 25 m away from a proposed shaft location at the Arrow Deposit. Bleached Athabasca sandstone was intersected from 83.2 m to the unconformity at 100.95 m. Basement lithologies are dominated by semi-pelitic gneiss and orthogneiss of variable composition. Several deformation zones were intersected throughout. Anomalous radioactivity was intersected northwest of the A0 shear, in association with thorium mineralization. A total composite mineralization of 1.5 m due to thorium was intersected within a 5.0 m section (346.0 to 351.0 m), all northwest of the A0 shear. The hole was terminated at a depth of 659.4 m.

Arrow

AR-18-210c1

Hole AR-18-210c1 was a directional hole collared from surface at an angled orientation (-70°) to the northwest (327° azimuth). It was designed as a 100 m step-out from mineralization previously intersected northeast of the A1 shear in hole AR-18-189c5. Directional drilling was initiated at 219 m. The A1 shear was intersected at an inclination of -63°. The hole intersected Athabasca Group sandstone between 98.9 m and the unconformity at 114.95 m. Basement lithologies dominantly consist of semi-pelitic gneiss with narrow intervals of graphitic pelitic gneiss. The hole successfully intersected anomalous radioactivity in the A3 shear in association with disseminated and fracture-controlled pitchblende mineralization. A total composite mineralization of 0.5 m was intersected within the A3 shear. The hole was terminated at a depth of 876.5 m.

AR-18-210c2

Hole AR-18-210c2 was a directional hole that departed pilot hole AR-18-210c1 at a depth of 486 m. It was designed as a 100 m step-out from mineralization previously intersected northeast of the A1 shear, 75 m down-dip from AR-18-210c1. Directional drilling was initiated at 498 m. The A1 shear was intersected at an inclination of -69°. Basement lithologies were intersected beginning at the top of hole and consist largely of semi-pelitic gneiss with narrow intervals of graphitic gneiss. Several broad deformation zones were intersected throughout. The hole intersected anomalous radioactivity in the A3 shear, due to thorium. A total composite mineralization of 0.5 m was intersected within the A3 shear. The hole was terminated at a depth of 957.5 m.

AR-18-210c3

Hole AR-18-210c3 was a directional hole that departed pilot hole AR-18-210c1 at a depth of 222 m. It was designed as a 75 m step-out from mineralization previously intersected northeast of the A1 shear. Directional drilling was initiated at 235 m. The A1 shear was intersected at an inclination of -69°. Basement lithologies were intersected beginning at the top of hole and consist largely of semi-pelitic gneiss with narrow intervals of graphitic gneiss. Several broad deformation zones were intersected throughout. Extensive zones of hydrothermal alteration were also intersected and generally consist of fracture-controlled and replacement-style chlorite and sericite.  No anomalous radioactivity was intersected before the hole was terminated at a depth of 946.0 m.

AR-18-211c1

Hole AR-18-211c1 was a directional hole collared from surface at an angled orientation (-70°) to the northwest (327° azimuth). It was designed as a 100 m southwest step-out from mineralization previously intersected in the A4 shear. Directional drilling was initiated at 159 m. The A4 shear was intersected at an inclination of -69°. Athabasca Group sandstone was not intersected. Basement lithologies are dominated by semi-pelitic gneiss with narrow intervals of graphitic gneiss, as well as orthogneiss of variable composition. The hole successfully intersected anomalous radioactivity in the A2, A3, and A4 shears in association with disseminated and fracture-controlled pitchblende mineralization. A total composite mineralization of 2.5 m was intersected within a 224.0 m section (865.5 to 1,089.5 m). In the A2 shear, 0.5 m of total composite mineralization was intersected, and in the A3 shear, 0.5 m of total composite mineralization was also intersected. In the A4 shear, 1.5 m of total composite mineralization was intersected. The hole was terminated at a depth of 1,128.5 m.

AR-18-211c2

Hole AR-18-211c2 was a directional hole that departed pilot hole AR-18-211c1 at a depth of 508 m. It was designed as a 100 m southwest step-out from mineralization previously intersected in the A4 shear, approximately 50 m up-dip from AR-18-211c1. Directional drilling was initiated at 519 m. The A4 shear was intersected at an inclination of -63°. Basement lithologies were intersected beginning at the top of hole and consist largely of semi-pelitic gneiss with narrow intervals of graphitic gneiss, as well as orthogneiss of variable composition. Several broad deformation zones were intersected throughout. Extensive zones of hydrothermal alteration were also intersected and generally consist of fracture-controlled chlorite and clay alteration. A total composite mineralization of 0.5 m was intersected, due to thorium. The hole was terminated at a depth of 1,014.5 m.

AR-18-211c3

Hole AR-18-211c3 was a directional hole that departed hole AR-18-211c2 at a depth of 522 m. It was designed as a 100 m southwest step-out from mineralization previously intersected in the A4 shear, approximately 50 m down-dip from AR-18-211c1. Directional drilling was initiated at 537 m. The A4 shear was intersected at an inclination of -72°. Basement lithologies were intersected beginning at the top of hole and consist largely of semi-pelitic gneiss with narrow intervals of graphitic gneiss, as well as orthogneiss of variable composition. Several broad deformation zones were intersected throughout. Extensive zones of hydrothermal alteration were also intersected and generally consist of fracture-controlled and replacement-style chlorite and clay alteration. No anomalous radioactivity was intersected before the hole was terminated at a depth of 1063.5 m.

AR-18-212c1

Hole AR-18-212c1 was collared from surface at an angled orientation (-67°) to the northwest (325° azimuth). It was designed as a 100 m step-out to the northeast from drill hole AR-18-208c1, northwest of the Arrow Deposit. Directional drilling was initiated at 264 m. Athabasca Group sandstone was intersected from 93.0 to the unconformity at 97.65 m. Basement lithologies are dominated by semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were intersected throughout. Extensive zones of hydrothermal alteration were also intersected and generally consist of fracture-controlled and replacement-style chlorite and sericite. No anomalous radioactivity was intersected before the hole was terminated at a depth of 807.5 m.

AR-18-213c1

Hole AR-18-213c1 was collared from surface at an angled orientation (-65°) to the northwest (327° azimuth). It was designed as a 150 m step-out along strike and up-dip to the northeast from drill hole AR-18-212c1, northeast of the Arrow Deposit. Directional drilling was initiated at 291 m. Athabasca Group sandstone was intersected from 82.9 to the unconformity at 98.8 m. Basement lithologies are dominated by semi-pelitic gneiss. Several broad deformation zones were intersected throughout. Extensive zones of hydrothermal alteration were also intersected and generally consist of fracture-controlled and replacement-style chlorite and sericite. No anomalous radioactivity was intersected before the hole was terminated at a depth of 765.5 m.

AR-18-214c1

Hole AR-18-214c1 was collared from surface at an angled orientation (-65°) to the northwest (327° azimuth). It was designed to test for mineralization in the A1 shear approximately 180 m northeast of AR-14-001. The A1 shear was intersected at an inclination of -67°. Weakly bleached Athabasca Group sandstone was intersected from 87.2 m to the unconformity at 110.95 m. Basement lithologies are dominated by semi-pelitic gneiss with narrow intervals of graphitic gneiss, and orthogneiss of variable composition. The hole successfully intersected anomalous radioactivity in the A1 and A2 shears in association with disseminated, fracture-hosted, and foliation-controlled pitchblende mineralization. A total composite mineralization of 5.0 m was intersected within a 180.5 m section (157.0 to 337.5 m). In the A1 shear, 0.5 m of total composite mineralization was intersected. In the A2 shear, 4.5 m of total composite mineralization was intersected. The hole was terminated at a depth of 891.5 m.

AR-18-215c1

Hole AR-18-215c1 was collared from surface at an angled orientation (-70°) to the northwest (327° azimuth). It was designed to test for mineralization in the A4 shear 100 m southwest of AR-18-211c1. The A4 shear was intersected at an inclination of -62°. Directional drilling was initiated at 186.0 m. Athabasca Group sandstone was not intersected. Basement lithologies are dominated by semi-pelitic gneiss with narrow intervals of graphitic gneiss, and orthogneiss of variable composition. Several broad deformation zones were intersected throughout. Extensive zones of hydrothermal alteration were also intersected and generally consist of fracture-controlled and replacement-style chlorite. No anomalous radioactivity was intersected before the hole was terminated at a depth of 990.5 m.

AR-18-216c1

Hole AR-18-216c1 was collared from surface at an angled orientation (-65°) to the northwest (327° azimuth). It was designed to test for mineralization in the A2 shear northeast of Arrow, 100 m down-dip from AR-18-214c1. The A2 shear was intersected at an inclination of -66°. Directional drilling was initiated at 120.0 m. Athabasca Group sandstone was intersected from 87.0 m to the unconformity at 107.35 m. Basement lithologies are dominated by semi-pelitic gneiss with narrow intervals of graphitic gneiss, and orthogneiss of variable composition. Several broad deformation zones were intersected throughout. Extensive zones of hydrothermal alteration were also intersected and generally consist of fracture-controlled and replacement-style sericite and chlorite. No anomalous radioactivity was intersected before the hole was terminated at a depth of 483.5 m.

AR-18-217c1

Hole AR-18-217c1 was collared from surface at an angled orientation (-73.5°) to the northwest (327° azimuth). It was designed to test for mineralization in the A4 shear 140 m down-dip from AR-16-081c2. The A4 shear was intersected at an inclination of -67°. Directional drilling was initiated at 198.0 m. Athabasca Group sandstone was intersected from 121.7 m to the unconformity at 122.45 m. Basement lithologies are dominated by semi-pelitic gneiss with narrow intervals of graphitic gneiss, and orthogneiss of various composition. The hole successfully intersected anomalous radioactivity in the A4 shear in association with stringers, disseminated, fracture-, and breccia-hosted pitchblende mineralization. A total composite mineralization of 4.0 m including 0.15 m of off-scale radioactivity (>10,000 to 20,000 cps) was intersected within a 68.5 m section (910.0 to 978.5 m), all within the A4 shear. The hole was terminated at a depth of 1,233.5 m.

AR-18-218c1

Hole AR-18-218c1 was collared from surface at an angled orientation (-65°) to the northwest (327° azimuth). It was designed to test for mineralization in the A2 shear southwest of the Arrow Deposit. The A2 shear was intersected at an inclination of -66°. Directional drilling was initiated at 192.0 m. Athabasca Group sandstone was intersected from 96.3 m to the unconformity at 97.75 m. Basement lithologies are dominated by semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were intersected throughout. Extensive zones of hydrothermal alteration were also intersected and generally consist of fracture-controlled and replacement-style sericite, chlorite, and hematite. No anomalous radioactivity was intersected before the hole was terminated at a depth of 827.0 m.

AR-18-219c1

Hole AR-18-219c1 was collared from surface at an angled orientation (-65°) to the northwest (327° azimuth). It was designed to expand high-grade domains in the A2 shear, 30 m northeast along strike from AR-14-030. The A2 shear was intersected at an inclination of -62°. Directional drilling was initiated at 231.0 m. Athabasca Group sandstone was intersected from 129.5 m to the unconformity at 133.9 m. Basement lithologies are dominated by semi-pelitic gneiss with narrow intervals of graphitic gneiss, and orthogneiss of various composition. The hole successfully intersected anomalous radioactivity in the A1 through A3 shears in association with stringers, disseminated, fracture-controlled, vein-hosted, replacement-style, and foliation-controlled pitchblende mineralization. A total composite mineralization of 89.5 m including 0.85 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 289.0 m section (342.5 to 631.5 m). In the A1 shear, 15.0 m of total composite mineralization including 0.85 m of off-scale radioactivity was intersected. In the A2 shear, 39.5 m of total composite mineralization was intersected. In the A3 shear, 35.0 m of total composite mineralization was intersected. The hole was terminated at a depth of 663.5 m.

AR-18-220c1

Hole AR-18-220c1 was collared from surface at an angle orientation (-68°) to the northwest (327° azimuth). It was designed to expand the high-grade and indicated domains in the A2 shear, 20 m northeast along strike from AR-16-102c2. The A2 shear was intersected at an inclination of -63°. Directional drilling was initiated at 219.0 m. Bleached Athabasca Group sandstone was intersected from 120.0 m to the unconformity at 130.3 m. Basement lithologies are dominated by semi-pelitic gneiss and orthogneiss of various composition. The hole successfully intersected anomalous radioactivity in the A0 through A3 shears in association with stringers, disseminated, replacement-style, breccia-, fracture-, and foliation-controlled pitchblende mineralization. A total composite mineralization of 111.0 m including 6.25 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 346.5 m section (335.5 m to 682.0 m). In the A0 shear, 0.5 m of total composite mineralization was intersected. In the A1 shear, 18.5 m of total composite mineralization including 1.5 m of off-scale radioactivity was intersected. In the A2 shear, 55.5 m of total composite mineralization including 2.25 m of off-scale radioactivity was intersected. An additional 36.5 m of total composite mineralization including 2.5 m of off-scale radioactivity was intersected in the A3 shear. The hole was terminated at a depth of 744.5 m.

AR-18-220c1a

Hole AR-18-220c1a was a failed directional hole that departed from pilot hole AR-18-220c1 at 441.0 m. Basement lithologies consist of semi-pelitic gneiss. A total of 0.5 m of total composite mineralization was intersected within the A2 shear. The hole was terminated at a depth of 448.0 m.