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DEEP YELLOW LIMITED Capital/Financing Update 2019

Apr 22, 2019

64808_rns_2019-04-22_6818e746-56bc-4d2f-85a9-d771cd675abf.pdf

Capital/Financing Update

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ASX Announcement

ASX & NSX: DYL / OTCQB: DYLLF

23 April 2019

TUMAS CONTINUES SHOWING STRONG POTENTIAL FOR ADDITIONAL RESOURCES

HIGHLIGHTS

  • Drilling continued at Tumas 1 East identifying 3km of continuous mineralisation in Tributary 5

o 211 holes for 1,951m completed

o 4m to 9m thick, near-surface continuous mineralisation now closed off

  • Best intersections include:

    • TA372 9m at 322ppm eU3O8 from 6m

    • TA356 4m at 310ppm eU3O8 from 7m  TA407 8m at 549ppm eU3O8 from 3m

  • Drilling at Tumas Central isolated continuous uranium mineralisation along 1.5km of palaeochannel with 45% of drilling returning >100ppm eU3O8 over 1m

  • 47 holes for 1,313m completed

  • Mineralisation open to east and west

o Best intersections include:

  • TW026 8m at 385ppm eU3O8 from 2m

  • TW028 8m at 498ppm eU3O8 from 4m

  • TW033 5m at 494ppm eU3O8 from 2m

  • To date only 50% of the known, highly prospective palaeochannel system drilled with a substantial 60km of this target remaining to be tested.

  • Mineralisation is calcrete-associated hosted within palaeochannels, similar to the Langer Heinrich uranium mine located 30km to the north

Deep Yellow Limited ( Deep Yellow ) is pleased to report encouraging drilling results on EPL3497 where new continuous mineralisation has been identified in the Tumas 1 East palaeochannel area along Tributary 5. Drilling also delineated continuous uranium mineralisation on EPL3496 in the Tumas Central area to the west of Tumas 3. This EPLs are held by Reptile Uranium Namibia (Pty) Ltd ( RUN ), part of the group of companies wholly owned by Deep Yellow.

Unit 17, 100-104 Railway Road Subiaco WA 6008 / PO Box 1770 Subiaco WA 6904 Tel: 61 8 9286 6999 / Fax: 61 8 9286 6969 / ABN 97 006 391 948 Email: [email protected] / Website: www.deepyellow.com.au

As previously announced, the last phase of drilling for the 2018/19 program commenced in February with semi-regional exploration drilling in the Tumas Central area where 47 RC holes were drilled for 1,313m. A combination of exploration and resource drilling followed in the Tumas 1 East area with 211 RC holes for 1,951m completed by 15 April 2019. At Tumas 1 East all tributaries, with the exception of Tributary 8, have had some exploration drilling carried out with resources established in Tributaries 1, 2 and 4. The current program identified continuous uranium mineralisation in Tributary 5 which is now closed off. Figures 1 and 2 show the prospective paleochannel system outline and prospect locations.

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Figure 1: EPLs 3496, 3497 showing Tumas Deposits and main prospect locations over palaeochannels.

Page 2 of 30

Tumas East Drilling

Exploration and resource drilling started 4 March 2019 at Tributary 4, 5 and 6 north of the newly defined Inferred Resource at Tumas 1 East as announced 27 March 2019. This completed the drilling planned for the 2018/19 program and in this final phase a total of 211 RC drill holes for 1,951m was completed. Drill spacings varied from 50m to 100m along lines 200m to 800m apart. 76 of these holes returned positive results of greater than 100ppm eU3O8 over 1m. The average thickness of the mineralisation is close to 5m. The average grade of all the 1m intersections >100ppm eU3O8 ppm was 228ppm and >200ppm eU3O8 was 356ppm U3O8.

The drilling at the Tributary 5 north of Tumas 1 has outlined a uraniferous channel 3km in strike length showing continuous calcrete uranium mineralisation. The mineralised channel ranges from 100m to 600m in width. The mineralisation is located at shallow depth between 2m to 15m below surface. In the Tributary 5 resource drilling area uranium mineralisation >100ppm eU3O8 was identified in 56 (48%) of the 119 holes drilled in this zone with an average grade of 232ppm eU3O8. At >200ppm/m cut-off the average grade is 361ppm eU3O8. The mineralisation does not show any surface radiometric expression.

The Tributary 5 mineralisation thins out towards the west, is closed off to the east but the southern edge of the channel needs further infill drilling before an inferred resource estimate can be undertaken.

Drill hole locations from this program are shown in Figure 2. Figures 3 and 4 show a drill cross-section and long-section respectively highlighting the continuity and thickness of the mineralisation in Tributary 5.

Exploration drilling along Tributaries 4 and 6 encountered thin and low-grade mineralisation. Tributary 8 which is 7km long remains to be explored.

Equivalent uranium oxide (eU3O8) values as reported here have been determined by Deep Yellow personnel and these will be validated by a competent geophysicist for resource estimation purposes. The equivalent uranium values are based on down-hole radiometric gamma logging carried out by a fully calibrated Aus-Log gamma logging system.

Mineralised intersections that are above the 100ppm eU3O8 over 1m cut-off are tabulated in Table 1, Appendix 1. All drill hole locations are listed in Table 3, Appendix 1.

Semi-Regional Exploration Drilling - Tumas Central Area

Semi-regional exploration drilling at Tumas Central was completed in February 2019. As announced on 20 December drilling started here late in 2018 but work had to be suspended due to the Christmas break. On resumption a further 47 holes for 1,313m were completed in this area in 2019. Drill hole spacing was variable ranging from 100m to 200m spaced holes along profiles 200m to 800m apart. The area is one of the seven semi-regional exploration targets which were identified early in 2018 but this priority zone could not be tested previously due to access problems which are now resolved. Targets in the area included testing the confluence of two channels and some surface radiometric anomalism over the main palaeochannel.

The drilling identified 1.6km of continuous uranium mineralisation along the southern edge of the main Tumas palaeochannel. The mineralisation is 200m to 400m wide and up to 11m thick. 21 of 47 holes (45%) show mineralisation of greater than 100ppm eU3O8 over 1m. At a 100ppm cut-off the average grade is 282ppm and average thickness is close to 4m. The average grade at a 200ppm cut-off is 407ppm. The mineralisation is open to the east where it could connect to the Tumas 3 West mineralisation (which is 5km away) and to the west where it could connect to the Tubas Red Sand calcrete deposit (which is 3km from the Tumas Central area).

Page 3 of 30

Figure 5 shows the exploration drill hole locations in relation to the historic drilling at Tumas 3 West and Tubas Red Sand areas. Figure 6 shows a north-south cross-section through the area highlighting the location of the mineralisation at the southern edge of the large Tumas Channel.

Mineralised intersections from the Tumas Central drilling above >100ppm eU3O8 over 1m cut-off are tabulated in Table 2, Appendix 1. All drill hole locations are listed in Table 3, Appendix 1.

Analysis

The results of the ongoing exploration continue defining additional uranium mineralisation, much of it continuous, maintaining the highly encouraging prospectivity of these palaeochannels associated with the eastern extension of Tumas 1 and promising uranium mineralisation in Tumas Central.

The 2018/19 drill program is now completed and it succeeded in substantially extending the previous limits of mineralisation at Tumas 1. Drilling is demonstrating the potential to further extend the mineralisation in this zone and along other parts of the channel system. Testing for mineralisation in tributary channels, which historically were neglected, has shown to be just as important as drilling the main channel targets for upgrade of the overall resource base associated with these highly fertile palaeochannels. The uranium mineralisation is not confined to one simple, single channel but rather is associated with a complex palaeodrainage system containing several channels and tributaries.

Appendix 1, Tables 1 and 2 list the 76 exploration drill holes at Tumas 1 East and 21 semi-regional exploration drill holes from the Tumas Central area respectively returning uranium intersections above cut-off and showing equivalent uranium values in ppm and thickness with hole depth and coordinates provided. Table 3 in Appendix 1 lists all 258 drill holes completed from December 2018 to April 2019 from the current drilling program which are the subject of this release.

Conclusion

This fourth, now completed, drilling campaign has again produced successful results. It has confirmed that the previously discovered deposits can be expanded. This has not only added to the current uranium resource base of this project but, just as significantly, continues to emphasise the strong exploration potential of the extensive, uranium-fertile palaeochannel system within which the new Tumas palaeochannel discoveries occur.

There are now 5 distinct mineralised zones (Tumas 1 & 2, Tumas 3, Tubas Sand/calcrete deposits and Tumas 1 East) identified within the 125km of palaeochannels that occur within the Reptile Project tenements (see Figure1). Approximately 50% of these have now sufficiently been explored over the past 2 years and the resource base in the Tumas channel system has been increased by 160%. Some 50%, or approximately 60km, of this palaeochannel system which deepens to the west remains to be properly tested.

These positive results, both from the current 2018/19 and 2017 drilling and re-interpretation of historic exploration data which outlined the regional palaeochannel target, confirm management’s confidence that the existing uranium resource base for Langer Heinrich style deposit/s within the Reptile Project area can be further increased.

It is planned that drilling will start again in the second half of 2019 with the drilling program including infill resource drilling required for resource estimations at Tumas 1 East, Tumas Central and Tubas Red Sand/calcrete areas.

Page 4 of 30

CEO Comment

John Borshoff commented: “This latest drilling which marks the end of the 2018/19 drilling season has finished on yet another positive note delineating a cumulative 4.5km of continuous uranium mineralisation. Drilling of Tributary 5 and Tumas Central has again demonstrated the high-quality nature of the exploration target the Company has uncovered. The Tumas palaeochannel is proving remarkably fertile showing all the hallmarks that enhancement of the Deep Yellow uranium resource will continue to occur.”

Yours faithfully

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JOHN BORSHOFF

Managing Director/CEO Deep Yellow Limited

For further information, contact:

John Borshoff Managing Director/CEO

Phone: +61 8 9286 6999 Email: [email protected]

For further information on the Company and its projects, please visit the website at: www.deepyellow.com.au

Competent Person’s Statement

Exploration Competent Person’s Statement

The information in this announcement as it relates to exploration results was compiled by Mr Martin Hirsch, a Competent Person who is a Member of the Institute of Materials, Mining and Metallurgy (IMMM) in the UK. Mr Hirsch, who is currently the Exploration Manager for Reptile Mineral Resources and Exploration (Pty) Ltd ( RMR ), has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking, to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’. Mr Hirsch consents to the inclusion in this announcement of the matters based on the information in the form and context in which it appears. Mr Hirsch holds shares in the Company.

Page 5 of 30

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Figure 2 : Drill hole locations showing the recent drilling program at Tumas 1 East and Tumas 1.The resource contours and the drill hole collars are coloured in eU3O8 grade thickness values (GT: eU3O8 pmm x m).

Page 6 of 30

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Figure 3: Tumas 1 East, Tributary 5 – Cross Section 526900E.

Page 7 of 30

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Figure 4: Tumas 1 East, Tributary 5 - NW-SE Long Section.

Page 8 of 30

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Figure 5: Tumas Central : Drill hole locations showing the recent and historic exploration drilling. Drill hole collars are coloured according to eU3O8 grade thickness values (GT: eU3O8 pmm x m).

Page 9 of 30

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Figure 6: Tumas Central – Cross-Section 498000E.

Page 10 of 30

APPENDIX 1: Drill Hole Status and Intersections

Table 1. Drill Hole Details (76 Holes drilled 4 March to 12 April 2019)

TUMAS 1 EAST TUMAS 1 EAST - RESOURCE EXPLORATION DRILLING - RESOURCE EXPLORATION DRILLING - RESOURCE EXPLORATION DRILLING
Hole ID From
(m)
Thickness
(m)
eU3O8
(ppm)
From (m) eU3O8 max
(over 1m)
Easting Northing RL TD (m)
TA338 10.0 1.0 167 10.0 167 527700 7450400 669 13
TA339 4.0 3.0 153 4.0 171 527700 7450300 669 10
TA340 3.0 9.0 276 11.0 666 527700 7450200 670 16
TA341 2.0 2.0 146 3.0 165 527700 7450100 671 13
8.0 3.0 322 9.0 520
TA342 1.0 6.0 176 6.0 504 527700 7450000 670 13
9.0 2.0 326 10.0 388
TA344 5.0 3.0 214 7.0 336 527900 7450400 674 13
TA346 9.0 5.0 100 11.0 124 528100 7451250 671 16
TA347 8.0 5.0 156 9.0 220 528100 7451350 671 16
TA348 9.0 1.0 109 9.0 109 528100 7451450 670 22
TA350 7.0 6.0 124 7.0 180 528100 7451650 669 19
TA351 12.0 1.0 116 12.0 116 528100 7451750 669 16
TA353 7.0 2.0 191 7.0 215 528300 7451700 671 19
TA354 5.0 7.0 283 9.0 662 528300 7451800 672 16
TA356 7.0 3.0 119 7.0 143 528300 7451600 669 19
15.0 1.0 106 15.0 106
TA367 6.0 2.0 134 6.0 137 528700 7452250 675 16
TA369 6.0 2.0 143 6.0 178 527700 7451950 661 13
TA370 6.0 7.0 170 11.0 329 527700 7451850 662 16
TA371 5.0 8.0 182 7.0 348 527700 7451750 664 16
TA372 1.0 1.0 175 1.0 175 527700 7451650 665 16
6.0 9.0 322 12.0 881
TA373 6.0 8.0 137 7.0 226 527700 7451550 665 16
TA375 4.0 2.0 156 5.0 205 527700 7452050 661 13
TA376 4.0 6.0 166 8.0 223 527500 7451950 661 13
TA377 8.0 7.0 233 10.0 593 527500 7451850 660 19
TA378 4.0 11.0 210 11.0 436 527500 7451750 660 19
TA380 3.0 1.0 101 3.0 101 527500 7452050 660 10
TA383 4.0 6.0 156 7.0 197 527300 7452000 658 13
TA384 3.0 8.0 187 7.0 286 527300 7451900 658 13
TA385 4.0 7.0 288 6.0 477 527300 7451800 660 13
TA386 7.0 4.0 310 10.0 347 527300 7451700 661 13
TA389 3.0 9.0 235 7.0 647 527100 7452050 655 13

Page 11 of 30

APPENDIX 1 (Table 1): Drill Hole Status and Intersections (continued)

Hole ID From
(m)
Thickness
(m)
eU3O8
(ppm)
From (m) eU3O8 max
(over 1m)
Easting Northing RL TD (m)
TA390 3.0 8.0 252 9.0 598 527100 7451950 657 13
TA391 3.0 10.0 174 7.0 406 527100 7451850 657 16
TA392 4.0 4.0 150 5.0 217 527100 7451750 657 10
TA393 2.0 6.0 316 5.0 540 526900 7452200 654 10
TA394 2.0 9.0 287 5.0 509 526900 7452100 654 13
TA395 3.0 7.0 172 4.0 259 526900 7452000 654 13
TA396 4.0 4.0 263 6.0 436 526900 7451900 654 10
TA398 2.0 8.0 185 4.0 420 526700 7452250 652 13
TA399 2.0 6.0 393 6.0 863 526700 7452150 651 10
TA406 1.0 5.0 119 5.0 286 526500 7452150 651 10
TA407 3.0 8.0 549 8.0 2341 526500 7452250 651 13
TA408 3.0 3.0 103 4.0 159 526500 7452350 651 7
TA410 1.0 1.0 128 1.0 128 526300 7452000 648 7
TA412 3.0 7.0 246 7.0 475 526900 7452300 655 13
TA414 2.0 4.0 158 3.0 237 526700 7452350 653 7
TA417 1.0 6.0 201 6.0 643 526300 7452300 648 10
TA418 1.0 8.0 241 2.0 464 526300 7452400 647 10
TA419 3.0 4.0 161 4.0 226 526300 7452500 648 10
TA420 6.0 1.0 112 6.0 112 526300 7452600 649 10
TA422 2.0 1.0 114 2.0 114 526100 7452200 646 7
TA426 4.0 3.0 114 6.0 146 526100 7452600 646 10
TA427 6.0 4.0 139 8.0 169 526100 7452700 646 13
TA430 4.0 3.0 112 6.0 143 525900 7452600 644 10
TA433 6.0 7.0 209 12.0 300 525700 7452600 641 16
TA434 7.0 1.0 186 7.0 186 525700 7452500 642 10
TA440 3.0 1.0 242 3.0 242 525700 7451900 641 7
TA448 3.0 4.0 147 6.0 204 523900 7451000 623 10
TA449 2.0 1.0 119 2.0 119 524100 7450950 623 7
TA451 1.0 1.0 249 1.0 249 524100 7450750 625 7
TA454 1.0 1.0 103 1.0 103 524300 7451100 625 7
TA455 3.0 1.0 151 3.0 151 524300 7451000 626 7
TA456 1.0 5.0 158 1.0 274 524300 7450900 627 7
TA457 2.0 2.0 210 2.0 298 524300 7450800 626 7
TA460 2.0 3.0 152 3.0 216 524500 7451000 628 7
TA461 3.0 1.0 183 3.0 183 524700 7451000 629 7
TA466 3.0 1.0 176 3.0 176 525100 7451300 635 7

Page 12 of 30

APPENDIX 1 (Table 1): Drill Hole Status and Intersections (continued)

Hole ID From
(m)
Thickness
(m)
eU3O8
(ppm)
From (m) eU3O8 max
(over 1m)
Easting Northing RL TD (m)
TA472 3.0 5.0 135 6.0 197 524300 7452000 630 10
TA477 3.0 3.0 177 4.0 196 523900 7452050 624 10
TA478 3.0 2.0 162 4.0 168 523900 7451950 626 10
TA527 8.0 1.0 107 8.0 107 528500 7451900 672 13
TA528 5.0 5.0 163 6.0 234 528500 7452000 671 19
TA531 7.0 1.0 109 7.0 109 529100 7452350 672 19
TA537 7.0 7.0 117 10.0 191 528300 7451300 671 19
TA538 9.0 3.0 138 9.0 168 528300 7451200 671 22
TA538 16.0 1.0 118 16.0 118
TA539 9.0 5.0 127 10.0 161 528300 7451100 671 19
TA546 11.0 12.0 118 111 118 528500 7451250 674 19

Page 13 of 30

APPENDIX 1: Drill Hole Status and Intersections

Table 2. Semi-regional Drill Hole Status – Intersections >100ppm eU3O8 over 1m (21 Holes drilled in December 2018 and February 2019)

TUMAS CENTRAL - EXPLORATION DRILLING TUMAS CENTRAL - EXPLORATION DRILLING TUMAS CENTRAL - EXPLORATION DRILLING TUMAS CENTRAL - EXPLORATION DRILLING TUMAS CENTRAL - EXPLORATION DRILLING TUMAS CENTRAL - EXPLORATION DRILLING TUMAS CENTRAL - EXPLORATION DRILLING TUMAS CENTRAL - EXPLORATION DRILLING TUMAS CENTRAL - EXPLORATION DRILLING TUMAS CENTRAL - EXPLORATION DRILLING
Hole ID From
(m)
Thickness
(m)
eU3O8
(ppm)
From (m) eU3O8 max
(over 1m)
Easting Northing RL TD
(m)
TW00002 2.0 2.0 202 3.0 227 498800 7467800 331 13
TW00004 4.0 2.0 109 4.0 117 498800 7467400 329 43
TW00006 2.0 7.0 156 4.0 251 497200 7467800 322 55
TW00008 3.0 1.0 468 3.0 468 497200 7468200 320 49
TW00015 3.0 1.0 138 3.0 138 498400 7467650 328 25
TW00016 3.0 2.0 297 4.0 493 498400 7467750 328 25
TW00019 8.0 1.0 132 8.0 132 497600 7467800 322 25
TW00020 2.0 9.0 232 5.0 645 497600 7467700 322 19
TW00021 3.0 7.0 274 6.0 522 497600 7467600 322 19
TW00022 2.0 11.0 195 11.0 429 497800 7467600 325 25
TW00023 2.0 2.0 230 3.0 257 497800 7467700 325 25
TW00024 2.0 2.0 244 3.0 285 497800 7467800 324 25
TW00025 1.0 3.0 235 3.0 323 498000 7467700 325 25
TW00026 2.0 8.0 385 7.0 988 498000 7467600 326 25
13.0 6.0 132 18.0 333
22.0 1.0 117 22.0 117
TW00027 6.0 1.0 137 6.0 137 498000 7467500 325 19
TW00028 4.0 8.0 498 10.0 1639 497800 7467500 325 19
TW00030 9.0 1.0 133 9.0 133 497600 7467500 322 19
TW00033 2.0 5.0 494 6.0 726 498200 7467600 327 19
TW00034 13.0 2.0 125 14.0 149 497200 7467700 322 25
17.0 1.0 147 17.0 147
TW00038 4.0 4.0 116 4.0 159 497400 7467700 322 25
11.0 8.0 105 11.0 248
TW00042 8.0 1.0 348 8.0 348 498400 7467500 327 25

Page 14 of 30

APPENDIX 1: Drill Hole Status and Intersections

Table 3. Drill Hole Locations – 255 drill holes drilled December 2018 to 12 April 2019

Tumas 1 East(EPL3497) Tumas 1 East(EPL3497) Tumas 1 East(EPL3497) Tumas 1 East(EPL3497) Tumas 1 East(EPL3497)
(211 holes completed from March to April 2018)
Hole ID Easting Northing RL TD(m)
TA337 527700 7450500 670 10
TA338 527700 7450400 669 13
TA339 527700 7450300 669 10
TA340 527700 7450200 670 16
TA341 527700 7450100 671 13
TA342 527700 7450000 670 13
TA343 527900 7450500 674 7
TA344 527900 7450400 674 13
TA345 527900 7450300 673 7
TA346 528100 7451250 671 16
TA347 528100 7451350 671 16
TA348 528100 7451450 670 22
TA349 528100 7451550 669 19
TA350 528100 7451650 669 19
TA351 528100 7451750 669 16
TA352 528100 7451850 668 10
TA353 528300 7451700 671 19
TA354 528300 7451800 672 16
TA355 528300 7451900 669 10
TA356 528300 7451600 669 19
TA357 528300 7451500 671 19
TA358 528300 7451400 671 22
TA359 528500 7451650 672 13
TA360 528500 7451550 672 13
TA361 528500 7451450 672 10
TA362 528500 7451350 674 19
TA363 528700 7451850 671 7
TA364 528700 7451950 672 4
TA365 528700 7452050 672 4
TA366 528700 7452150 673 19
TA367 528700 7452250 675 16
TA368 528700 7452350 673 7
TA369 527700 7451950 661 13
TA370 527700 7451850 662 16

Page 15 of 30

APPENDIX 1 (Table 3): Drill Hole Status and Intersections (continued)

Hole ID Easting Northing RL TD(m)
TA371 527700 7451750 664 16
TA372 527700 7451650 665 16
TA373 527700 7451550 665 16
TA374 527700 7451450 667 10
TA375 527700 7452050 661 13
TA376 527500 7451950 661 13
TA377 527500 7451850 660 19
TA378 527500 7451750 660 19
TA379 527500 7451650 662 7
TA380 527500 7452050 660 10
TA381 527500 7452150 659 7
TA382 527300 7452100 658 7
TA383 527300 7452000 658 13
TA384 527300 7451900 658 13
TA385 527300 7451800 660 13
TA386 527300 7451700 661 13
TA387 527300 7451600 661 10
TA388 527100 7452150 654 7
TA389 527100 7452050 655 13
TA390 527100 7451950 657 13
TA391 527100 7451850 657 16
TA392 527100 7451750 657 10
TA393 526900 7452200 654 10
TA394 526900 7452100 654 13
TA395 526900 7452000 654 13
TA396 526900 7451900 654 10
TA397 526900 7451800 655 7
TA398 526700 7452250 652 13
TA399 526700 7452150 651 10
TA400 526700 7452050 650 7
TA401 526700 7451950 650 7
TA402 526700 7451850 649 7
TA403 526500 7451850 651 4
TA404 526500 7451950 651 4
TA405 526500 7452050 651 4
TA406 526500 7452150 651 10
TA407 526500 7452250 651 13

Page 16 of 30

APPENDIX 1 (Table 3): Drill Hole Status and Intersections (continued)

Hole ID Easting Northing RL TD(m)
TA408 526500 7452350 651 7
TA409 526300 7451900 647 4
TA410 526300 7452000 648 7
TA411 526300 7452100 650 7
TA412 526900 7452300 655 13
TA413 526900 7452400 654 10
TA414 526700 7452350 653 7
TA415 526500 7452450 651 4
TA416 526300 7452200 650 7
TA417 526300 7452300 648 10
TA418 526300 7452400 647 10
TA419 526300 7452500 648 10
TA420 526300 7452600 649 10
TA421 526100 7452100 647 7
TA422 526100 7452200 646 7
TA423 526100 7452300 646 7
TA424 526100 7452400 647 4
TA425 526100 7452500 647 4
TA426 526100 7452600 646 10
TA427 526100 7452700 646 13
TA428 526100 7452800 647 7
TA429 525900 7452500 645 7
TA430 525900 7452600 644 10
TA431 525900 7452700 643 7
TA432 525700 7452700 643 7
TA433 525700 7452600 641 16
TA434 525700 7452500 642 10
TA435 525700 7452400 643 7
TA436 525700 7452300 643 7
TA437 525700 7452200 643 7
TA438 525700 7452100 643 7
TA439 525700 7452000 642 7
TA440 525700 7451900 641 7
TA441 525700 7451800 643 7
TA442 525700 7451700 641 7
TA443 523900 7450450 620 7
TA444 523900 7450550 621 7

Page 17 of 30

APPENDIX 1 (Table 3): Drill Hole Status and Intersections (continued)

Hole ID Easting Northing RL TD(m)
TA445 523900 7450650 623 7
TA446 523900 7450800 623 7
TA447 523900 7450900 623 7
TA448 523900 7451000 623 10
TA449 524100 7450950 623 7
TA450 524100 7450850 623 7
TA451 524100 7450750 625 7
TA452 524100 7450650 624 7
TA453 524100 7450550 623 7
TA454 524300 7451100 625 7
TA455 524300 7451000 626 7
TA456 524300 7450900 627 7
TA457 524300 7450800 626 7
TA458 524300 7450700 626 7
TA459 524500 7451100 628 7
TA460 524500 7451000 628 7
TA461 524700 7451000 629 7
TA462 524700 7451100 627 10
TA463 524700 7451200 629 7
TA464 524700 7451350 629 7
TA465 525100 7451200 634 7
TA466 525100 7451300 635 7
TA467 525100 7451400 635 4
TA468 525100 7451750 636 7
TA469 525100 7451850 637 7
TA470 525100 7451950 638 7
TA471 525100 7452050 638 7
TA472 524300 7452000 630 10
TA473 524300 7452100 631 7
TA474 524300 7452200 631 4
TA475 524300 7451900 628 7
TA476 523900 7452150 625 4
TA477 523900 7452050 624 10
TA478 523900 7451950 626 10
TA479 523900 7451850 625 4
TA480 523900 7451750 626 4
TA481 523900 7451650 624 4

Page 18 of 30

APPENDIX 1 (Table 3): Drill Hole Status and Intersections (continued)

Hole ID Easting Northing RL TD(m)
TA482 523900 7451550 622 4
TA483 523500 7451400 618 4
TA484 523500 7451300 618 7
TA485 523500 7451200 619 7
TA486 523500 7451100 618 7
TA487 523500 7451000 618 4
TA488 523500 7450900 617 7
TA489 523500 7450800 617 7
TA490 523500 7450700 618 4
TA491 523300 7450700 618 7
TA492 523300 7450600 618 4
TA493 523300 7450800 617 7
TA494 523300 7450900 616 4
TA495 522900 7450300 611 4
TA496 522900 7450400 611 7
TA497 522900 7450500 611 7
TA498 523100 7450450 611 7
TA499 523100 7450550 611 4
TA500 523300 7450400 611 7
TA501 523300 7450350 611 7
TA502 523500 7450300 611 7
TA503 523500 7450250 611 7
TA504 526700 7449850 660 4
TA505 526700 7449950 658 4
TA506 526700 7450050 657 4
TA507 526500 7449900 655 4
TA508 526500 7450000 654 4
TA509 526300 7449950 654 4
TA510 526300 7450050 652 4
TA511 526100 7450100 651 4
TA512 526100 7450150 651 7
TA513 525500 7450100 642 7
TA514 525500 7450200 641 4
TA515 524900 7450200 637 10
TA516 524900 7450300 637 4
TA517 524700 7452300 633 4
TA518 524700 7452400 633 4

Page 19 of 30

APPENDIX 1 (Table 3): Drill Hole Status and Intersections (continued)

Hole ID Easting Northing RL TD(m)
TA519 524700 7452500 634 7
TA520 523500 7451700 622 10
TA521 523500 7451800 622 4
TA522 523500 7451900 622 4
TA523 522500 7451100 611 4
TA524 522500 7451200 611 4
TA525 522500 7451300 611 4
TA526 528500 7451800 673 7
TA527 528500 7451900 672 13
TA528 528500 7452000 671 19
TA529 528500 7452100 672 19
TA530 529100 7452250 672 16
TA531 529100 7452350 672 19
TA532 529100 7452450 672 10
TA533 529100 7452550 672 4
TA534 529500 7452250 672 4
TA535 529500 7452350 672 10
TA536 529500 7452450 672 13
TA537 528300 7451300 671 19
TA538 528300 7451200 671 22
TA539 528300 7451100 671 19
TA540 528150 7451000 674 10
TA541 528250 7451000 674 10
TA542 528350 7451000 674 10
TA543 528450 7451000 674 10
TA544 528500 7450950 674 10
TA545 528500 7451050 674 13
TA546 528500 7451150 674 16
TA547 528500 7451250 674 19

Page 20 of 30

APPENDIX 1 (Table 3): Drill Hole Status and Intersections (continued)

Tumas Central (EPL3496) Tumas Central (EPL3496) Tumas Central (EPL3496) Tumas Central (EPL3496)
(47 holes completed from Dec2018 to Feb2019)
Hole ID Easting Northing RL TD (m)
TW00001 498800 7468000 331 13
TW00002 498800 7467800 331 13
TW00003 498800 7467600 329 37
TW00004 498800 7467400 329 43
TW00005 498800 7468200 329 61
TW00006 497200 7467800 322 55
TW00007 497200 7468000 320 67
TW00008 497200 7468200 320 49
TW00009 497200 7468400 322 37
TW00010 497200 7468600 321 37
TW00011 498000 7467900 325 43
TW00012 498000 7468100 325 61
TW00013 498000 7468300 325 61
TW00014 498000 7468500 326 61
TW00015 498400 7467650 328 25
TW00016 498400 7467750 328 25
TW00017 498400 7467850 328 25
TW00018 498400 7467950 328 19
TW00019 497600 7467800 322 25
TW00020 497600 7467700 322 19
TW00021 497600 7467600 322 19
TW00022 497800 7467600 325 25
TW00023 497800 7467700 325 25
TW00024 497800 7467800 324 25
TW00025 498000 7467700 325 25
TW00026 498000 7467600 326 25
TW00027 498000 7467500 325 19

Page 21 of 30

APPENDIX 1 (Table 3): Drill Hole Status and Intersections (continued)

Hole ID Easting Northing RL TD (m)
TW00028 497800 7467500 325 19
TW00029 497800 7467400 325 7
TW00030 497600 7467500 322 19
TW00031 498200 7467800 326 25
TW00032 498200 7467700 326 19
TW00033 498200 7467600 327 19
TW00034 497200 7467700 322 25
TW00035 497200 7467600 322 19
TW00036 497200 7467500 322 13
TW00037 497200 7467400 322 7
TW00038 497400 7467700 322 25
TW00039 497400 7467600 322 7
TW00040 497400 7467500 322 7
TW00041 498200 7467500 325 13
TW00042 498400 7467500 327 25
TW00043 498600 7467800 329 25
TW00044 498600 7467700 329 25
TW00045 498600 7467600 328 25
TW00046 498600 7467500 328 25
TW00047 497400 7467800 322 25

Page 22 of 30

APPENDIX 2: Table 1 Report (JORC Code 2012 addition)

JORC Code, 2012 Edition – Table 1

Section 1 Sampling Techniques and Data

(Criteria in this section apply to all succeeding sections.)

Criteria JORC Code explanation Commentary
Sampling techniques Nature and quality of sampling (eg cut channels, random The current drilling relies on down hole gamma data from calibrated probes
chips, or specific specialised industry standard measurement which were converted into equivalent uranium values (eU3O8) by experienced
tools appropriate to the minerals under investigation, such as
down hole gamma sondes, or handheld XRF instruments,
etc). These examples should not be taken as limiting the
broad meaning of sampling.
Include reference to measures taken to ensure sample
DYL personnel and will be confirmed by a competent person (geophysicist).
First geochemical assay data are expected in May 2019. Previous drill data
used in this report includes both geochemical assay data (U3O8) and down hole
gamma derived equivalent uranium values (eU3O8).
representivity and the appropriate calibration of any Appropriate factors were applied to all downhole gamma counting results to
measurement tools or systems used. make allowance for drill rod thickness, gamma probe dead times and
Aspects of the determination of mineralisation that are incorporating all other applicable calibration factors.
Material to the Public Report.
In cases where ‘industry standard’ work has been done this
Total gamma eU3O8
would be relatively simple (e.g. ‘reverse circulation drilling
was used to obtain 1 m samples from which 3 kg was
pulverised to produce a 30 g charge for fire assay’). In other
cases, more explanation may be required, such as where

33mm Auslog total gamma probes were used and operated by company
personnel.
Gamma probes were calibrated at Pelindaba, South Africa, in May 2007 and in
there is coarse gold that has inherent sampling problems. December 2007.
Unusual commodities or mineralisation types (eg submarine Between 2008 and 2013 sensitivity checks were conducted by periodic re-
nodules) may warrant disclosure of detailed information. logging of a test hole (Hole-ALAD1480) to confirm operation.
Auslog probes were again re-calibrated at the calibration pit located at Langer
Heinrich Mine site in December 2014, May 2015, August 2017 and July 2018.
During the drilling, the probes were checked daily against a standard source.
Gamma measurements were taken at 5 cm intervals at a logging speed of
approximately 2m per minute.
Probing was done immediately after drilling mainly through the drill rods and in
some cases in the open holes. Rod factors have been established once
sufficient in rod and open hole data were available to compensate for the
reducedgamma counts when loggingwas done through the drill rods. No

Page 23 of 30

APPENDIX 2: Table 1 Report (JORC Code 2012 addition) (continued)

Criteria JORC Code explanation Commentary
correction for water was done. The drill holes were dry.
All gamma measurements were corrected for dead time which is unique to the
probe.
All corrected (dead time and rod factor) gamma values were converted to
equivalent eU3O8values over the same intervals using the probe-specific K-
factor.
Disequilibrium studies on 22 samples by ANSTO Minerals in 2008 confirmed
that the U238decay chains of the wider Tumas deposit are within an analytical
error of ± 10%, in secular equilibrium.
Chemical assay data
Geochemical samples were derived from Reverse Circulation (RC) drilling at
intervals of 1 m. Samples were spilt at the drill site using either a riffle or cone
splitter to obtain a 1 to 4 kg sample from which 90 g will be pulverized to
produce a subset for XRF-analysis.
It is planned that 10 to 20% of the mineralisation from the Tumas East drilling
will be assayed for U3O8by loose powder XRF or ICP-MS.
In the 2017 and 2018 resource drilling programs a total of 1,305 samples,
including duplicates, blanks and standards were submitted to ALS in Perth for
U3O8analysis following the procedure above for confirmatory assay.
These previous assay results confirm equivalent uranium grades correctly
correlated to the assay results and remain within a statistically acceptable
margin of error.
Drilling techniques Drill type (eg core, reverse circulation, open-hole hammer, RC drilling is being used for the Tumas 1 East and Central drilling program.
rotary air blast, auger, Bangka, sonic, etc) and details (eg
core diameter, triple or standard tube, depth of diamond tails,
face-sampling bit or other type, whether core is oriented and

All holes are being drilled vertically and intersections measured present true
thicknesses.
_ifso, by what method, etc). _
Drill sample recovery Method of recording and assessing core and chip sample Drill chip recoveries are good at around 90%.
recoveries and results assessed. Drill chip recoveries were assessed by weighing 1 m drill chip samples at the
Measures taken to maximise sample recovery and ensure
representative nature of the samples.
drill site. Weights were recorded in sample tag books.
Sample loss was minimised by placingthe sample bags directlyunderneath

Page 24 of 30

APPENDIX 2: Table 1 Report (JORC Code 2012 addition) (continued)

Criteria JORC Code explanation Commentary
Whether a relationship exists between sample recovery and cyclone/splitter
grade and whether sample bias may have occurred due to
preferential loss/gainof fine/coarse material.
Logging Whether core and chip samples have been geologically and All drill holes are being geologically logged.
geotechnically logged to a level of detail to support
appropriate Mineral Resource estimation, mining studies and
metallurgical studies.
Whether logging is qualitative or quantitative in nature. Core
(or costean, channel, etc) photography.
The total length and percentage of the relevant intersections

The logging is qualitative in nature. The lithology type is being determined for
all samples.
Other parameters routinely logged include colour, colour intensity, weathering,
oxidation, grain size, carbonate (CaCO3) content, sample condition (wet, dry)
and total gamma count (by hand held Rad-Eye scintillometer).
logged. Lithology codes were used to generate wireframes for the palaeotopography of
the palaeochannel.
This information was used in planning drill hole locations.
Sub-sampling If core, whether cut or sawn and whether quarter, half or all A portable 2-tier (75%/25%) splitter was used to treat a full 1m sample from the
techniques and
sample preparation
core taken.
If non-core, whether riffled, tube sampled, rotary split, etc and
whether sampled wet or dry.
For all sample types, the nature, quality and appropriateness
of the sample preparation technique.
Quality control procedures adopted for all sub-sampling


cyclone into an appropriate size assay sample. All sampling was dry.
The above sub-sampling techniques are common industry practice and
appropriate.
Sample sizes are considered appropriate to the grain size of the material being
sampled.
stages to maximise representivity of samples. Duplicates will be inserted into the assay batch at an approximate rate of one
Measures taken to ensure that the sampling is representative for every 10 samples which is compatible with industry norm.
of the in situ material collected, including for instance results
for field duplicate/second-half sampling.
Whether sample sizes are appropriate to the grain size of the

Standards and blank samples will be inserted at an approximate rate of one
each for every 20 samples.
material being sampled.
Quality of assay data
The nature, quality and appropriateness of the assaying and
The analytical method employed will be XRF. The technique is industry
and laboratory tests laboratory procedures used and whether the technique is standard and considered appropriate.
considered partial or total.
For geophysical tools, spectrometers, handheld XRF
instruments, etc, the parameters used in determining the
analysis including instrument make and model, reading
times, calibrations factors applied and their derivation, etc.

The analytical method employed for an earlier drill program in 2017 was ICP-
MS which is also considered industry standard and appropriate as well.
Downhole gamma tools were used as explained under ‘Sampling techniques’.
This is the principal evaluating technique.
Nature of quality control procedures adopted (e.g. standards,

Page 25 of 30

APPENDIX 2: Table 1 Report (JORC Code 2012 addition) (continued)

Criteria JORC Code explanation Commentary
blanks, duplicates, external laboratory checks) and whether
acceptable levels of accuracy (i.e. lack of bias) and precision
_have been established. _
Verification of The verification of significant intersections by either Geology was directly recorded into a tablet in the field and sample tag books
sampling and independent or alternative company personnel. filed in at the drill site.
assaying The use of twinned holes.
Documentation of primary data, data entry procedures, data
verification, data storage (physical and electronic) protocols.
Discuss any adjustment to assay data.

The drill data of those logs and tag books (lithology, sample specifications etc.)
were transferred by designated personnel into a geological database.
Equivalent eU3O8values have previously been and were for the current
program calculated from raw gamma files by applying calibration factors and
casing factors where applicable.
The adjustment factors were stored in the database.
Equivalent U3O8data were composited to 1m intervals.
The ratio of eU3O8vs assayed U3O8for matching composites will be used to
quantify the statistical error.
Location of data Accuracy and quality of surveys used to locate drill holes The collars are being surveyed by in-house operators using a differential GPS.
points (collar and down-hole surveys), trenches, mine workings and
other locations used in Mineral Resource estimation.
Specification of the grid system used.
Quality and adequacy of topographic control.

All drill holes are vertical and shallow; therefore, no down-hole surveying was
required.
The grid system is World Geodetic System (WGS) 1984, Zone 33.
Data spacing and Data spacing for reporting of Exploration Results. The data spacing and distribution is optimized along channel direction along
distribution Whether the data spacing and distribution is sufficient to North-South or East West lines. Where the drilling program was exploratory in
establish the degree of geological and grade continuity
appropriate for the Mineral Resource and Ore Reserve
estimation procedure(s) and classifications applied.
Whether sample compositing has been applied.
nature and drill hole spacing varied at 100 to 200m along 200 to 800m spaced
lines. At Tumas 1 East the resource drilling varies between 50m to 100m drill
hole spacing along 200m spaced lines.
The 100m by 200m drill hole spacing is considered sufficient to define an
inferred resource At Tumas 1 East in the future.
The total gamma count data, which is recorded at 5 cm intervals, was used to
calculate equivalent uranium values (eU3O8) which were composited to 1 m
composites down hole.

Page 26 of 30

APPENDIX 2: Table 1 Report (JORC Code 2012 addition) (continued)

Criteria JORC Code explanation Commentary
Orientation of data in
Whether the orientation of sampling achieves unbiased
Uranium mineralisation is strata bound and distributed in fairly continuous
relation to geological sampling of possible structures and the extent to which this is horizontal layers. Holes are being drilled vertically and mineralised intercepts
structure known, considering the deposit type.
If the relationship between the drilling orientation and the
orientation of key mineralised structures is considered to
have introduced a sampling bias, this should be assessed
and reported if material.
represent the true width.
All holes were sampled down-hole from surface. Geochemical samples are
being collected at 1 m intervals. Total-gamma count data is being collected at
5 cm intervals.
Sample security The measures taken to ensure sample security. 1m RC drill chip samples were prepared at the drill site. The assay samples
were stored in plastic bags. Sample tags were placed inside the bags. The
samples were placed into plastic crates and transported from the drill site to
RMR’s site premises in Swakopmund by company personnel, prior to analyses
and from there to the external laboratories.
Upon completion of the assay work the remainder of the drill chip sample bags
for each hole will be packed back into crates and then stored in designated
containers in chronological order, locked up and kept safe at RMR’s dedicated
sample storage yard at Rocky Point located outside Swakopmund.
Audits or reviews The results of any audits or reviews of sampling techniques D. M. Barrett (PhD MAIG) conducted an audit of gross count gamma logging
and data. procedures and log reduction methods used by Deep Yellow Limited.
He concludes his audit commenting: “In summary, it is my belief that the
equivalent uranium grades reported by Reptile from their gamma logging
program are reliable and are probably within a few percent to the true grade”.

Page 27 of 30

APPENDIX 2: Table 1 Report (JORC Code 2012 addition) (continued)

Section 2 Reporting of Exploration Results

(Criteria listed in the preceding section also apply to this section.)

Criteria JORC Code explanation Commentary Commentary
Mineral tenement and land Type, reference name/number, location and The work to which the Exploration Results relate was undertaken on exclusive
tenure status ownership including agreements or material issues prospecting grants EPL 3496 and EPL3497.
with third parties such as joint ventures, partnerships,
overriding royalties, native title interests, historical
sites, wilderness or national park and environmental
settings.
The security of the tenure held at the time of

The EPLs were originally granted to Reptile Uranium Namibia (Pty) Ltd (RUN)
in 2006. The EPLs are in good standing and is valid until 05 June 2019. A
renewal application for a two-year extension has been submitted to the Ministry
of Mines and Energy and is expected to be granted.
reporting along with any known impediments to The EPL is located within the Namib Naukluft-National Park in Namibia.
obtaining a licence to operate in the area. The EPL is subject to an agreement with a Namibian partner whereby the
partner has the right to acquire 5% of the project for historical costs.
There are no known impediments to the project beyond Namibia’s standard
permitting procedures.
Exploration done by other Acknowledgment and appraisal of exploration by Prior to RUN’s ownership of this EPL, extensive work was conducted by Anglo
parties other parties. American Prospecting Services (AAPS), General Mining and Falconbridge in
the 1970s.
Assay results from the historical drilling are available to RUN on paper logs.
They were not captured digitally and were and will not be used for resource
estimation.
Geology Deposit type, geological setting and style of Tumas East mineralisation occurs as secondary carnotite enrichment of
mineralisation. variably calcretised palaeochannel and sheet wash sediments and adjacent
weathered bedrock.
Uranium mineralisation at Tumas is surficial, stratabound and hosted by
Cenozoic and possibly Tertiary sediments, which include from top to bottom
scree sand, gypcrete, calcareous sand and calcrete.
The majority of the mineralisation is hosted in calcrete. Locally, the underlying
weathered Proterozoic bedrock is occasionally also mineralized.
Drill hole Information A summary of all information material to the 255 holes for a total of 3316m have been drilled in the current program up to
understanding of the exploration results including a

Page 28 of 30

APPENDIX 2: Table 1 Report (JORC Code 2012 addition) (continued)

Criteria JORC Code explanation Commentary Commentary Commentary Commentary
tabulation of the following information for all Material the 1st of April 2019.
drill holes:
o easting and northing of the drill hole collar
o elevation or RL (Reduced Level – elevation above
sea level in metres) of the drill hole collar
o dip and azimuth of the hole


All holes were drilled vertically and intersections measured present true
thicknesses.
The Table 3 in Appendix 1 lists all the drill hole locations. Tables 1 and 2 list
the results of intersections greater than 100ppm eU3O8over 1m.
o down hole length and interception depth
o hole length.
If the exclusion of this information is justified on the
basis that the information is not Material and this
exclusion does not detract from the understanding of
the report, the Competent Person should clearly
_explain why this is the case. _
Data aggregation methods In reporting Exploration Results, weighting averaging 5cm intervals of down hole gamma counts per second (cps) logged inside the
techniques, maximum and/or minimum grade drill rods were composited into 1m down hole intervals showing greater than
truncations (e.g. cutting of high grades) and cut-off
grades are usually Material and should be stated.
Where aggregate intercepts incorporate short lengths

100cps values over 1m.
No grade truncations were applied.
of high-grade results and longer lengths of low-grade
results, the procedure used for such aggregation
should be stated and some typical examples of such
aggregations should be shown in detail.
The assumptions used for any reporting of metal
_equivalent values should be clearly stated. _
Relationship between These relationships are particularly important in the The mineralisation is sub-horizontal and all drilling vertical, therefore,
mineralisation widths and
intercept lengths
reporting of Exploration Results.
If the geometry of the mineralisation with respect to
mineralised intercepts are considered to represent true widths.
the drill hole angle is known, its nature should be
reported.
If it is not known and only the down hole lengths are
reported, there should be a clear statement to this
_effect (eg ‘down hole length, true width not known’). _
Diagrams Appropriate maps and sections (with scales) and Appendix 1 (Tables 3) show all drill hole locations. Tables 1 and 2 list the
tabulations of intercepts should be included for any anomalous intervals.
significant discovery being reported These should
include, but not be limited to a plan view of drill hole
Maps and sections are included in the text.

Page 29 of 30

APPENDIX 2: Table 1 Report (JORC Code 2012 addition) (continued)

Criteria JORC Code explanation Commentary
collar locations and appropriate sectional views.
Balanced reporting Where comprehensive reporting of all Exploration •Comprehensive reporting of all Exploration Results was practised on the
Results is not practicable, representative reporting of completion of the drilling program.
both low and high grades and/or widths should be
practiced to avoid misleading reporting of Exploration
_Results. _
Other substantive Other exploration data, if meaningful and material, •The wider area and Tumas deposit was subject to extensive drilling in the
exploration data should be reported including (but not limited to): 1970’s and 1980’s by Anglo American Prospecting Services, Falconbridge and
geological observations; geophysical survey results;
geochemical survey results; bulk samples – size and
method of treatment; metallurgical test results; bulk
density, groundwater, geotechnical and rock
General Mining.
•An airborne EM survey conducted in 2009 better defined the broad
palaeochannel system.
characteristics; potential deleterious or contaminating
•Downhole gamma-gamma density logging for bulk density was conducted by
substances. Terratec on the Tumas 1 and 2 resources.
Further work The nature and scale of planned further work (e.g. •Further drilling work is planned in the Tumas 1 East area and at Tumas Central
tests for lateral extensions or depth extensions or west of the currently defined Tumas 3 Resource and its extensions.
large-scale step-out drilling).
Diagrams clearly highlighting the areas of possible
extensions, including the main geological
interpretations and future drilling areas, provided this
•At Tumas Central further extension drilling is expected as mineralisation is
open along strike to the west and east.
•Infill drilling for resource estimation work is planned as well.
information is not commercially sensitive.

Page 30 of 30