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NORTHERN STAR RESOURCES LTD Interim / Quarterly Report 2016

Apr 27, 2016

65447_rns_2016-04-27_85b026af-8d56-4e4a-ad24-0600ec5a609d.pdf

Interim / Quarterly Report

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March 2016 Quarterly Activities Report

OPERATING CASH FLOW OF A$103M FROM SALE OF 143,469OZ HIGHLIGHTS NORTHERN STAR’S EMPHASIS ON SHAREHOLDER RETURNS

KEY POINTS

  • Outstanding March Quarter highlights Northern Star’s commitment to maximising Shareholder returns with record operating cash flow of A$103m from the sale of 143,469oz

  • Result underpinned by a further 5% fall in total all-in sustaining costs (AISC) to A$985/oz (US$711/oz)[1]

ASX ANNOUNCEMENT 28 April 2016

Australian Securities Exchange Code: NST

Board of Directors

Mr Chris Rowe Non-Executive Chairman

Mr Bill Beament Managing Director

Mr Peter O’Connor Non-Executive Director

Mr John Fitzgerald Non-Executive Director

Ms Liza Carpene Company Secretary

  • Gold sold totalled 143,469oz (FY16 guidance is 535,000-570,000oz at AISC of A$1,050-A$1,100/oz)

  • Gold sold for the nine months to 31 March totalled 427,042oz at an AISC of A$1,036/oz

  • Cash, bullion and investments rose by A$60m in the March Quarter to A$286m after paying A$18m in exploration and expansionary capital expenditure; Northern Star remains debt-free

  • Gold inventories (gold in circuit and on surface stockpiles) sits at 93,000oz

  • Further strong progress made on strategy to grow production to 700,000ozpa in FY18 from organic sources, with substantial exploration success at Kundana EKJV and the 100 per cent-owned Kundana tenements and Kanowna Belle mines

  • Organic growth strategy reflects Northern Star’s ongoing commitment to maximising financial returns for Shareholders, including an industry-leading return on equity

  • March Quarter production:

  • Jundee Gold Operations:

    • 60,165oz mined and 54,786oz sold at an AISC A$914/oz
  • Kundana Gold Operations:

    • 32,755oz mined and 28,849oz sold at an AISC A$828/oz

Issued Capital

  • Kanowna Belle Gold Operations:

  • 24,063oz mined and 23,203oz sold at an AISC A$752/oz

Shares 600 million Options 3.5 million Current Share Price A$3.70

Market Capitalisation A$2.2 billion

Cash, Bullion & Investments 31 Mar 2016 - A$286 million

  • Paulsens Gold Operations:

    • 24,336oz mined and 22,963oz sold at an AISC A$999/oz
  • Plutonic Gold Operations:

    • 17,352oz mined and 13,668oz sold at an AISC A$1,975/oz
  • Northern Star will host a quarterly conference call today at 7.30am AWST (9.30am AEDT), Thursday, 28 April 2016. The call can be accessed at http://boardroom.media/broadcast/?refid=&eid=572031b1f8fb8cf57fc4389c

Projects

Paulsens Mine Plutonic Mine Kanowna Belle Mine Kundana Mines (51% of EKJV) Jundee Mine Ashburton Central Tanami (25% of JV)

Listed Investments

Northern Star Resources Managing Director Bill Beament said:

“To generate operating cash flow of A$103 million from the sale of 143,469oz demonstrates that maximising financial returns is our top priority.

“That philosophy has driven our commitment to cutting costs, which has underpinned this exceptionally strong ratio of gold sales to operating cash flow.

“Plutonic’s costs in the March Quarter were impacted by severe rainfall in January, which restricted working areas in the mine.

VXR, DAU, RND, TBR, ALY

Page 1 of 13

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

“Operations resumed in February but at a reduced rate and in lower grade areas until pumping enabled access. However, March production returned to normal with 6,096oz recovered.

“This result helps underpin our confidence in the outlook for Plutonic’s performance, including its cost profile.

“Our highly effective cost-cutting program across the board is enabling us to maximise margins and therefore free cash flow, as demonstrated by the A$60 million increase in cash, bullion and investments over the quarter, taking the total to A$286 million.

“The increase was after spending A$18 million on exploration and expansionary capital as part of our strategy to grow production to 700,000ozpa by 2018.

“This organic growth strategy, which is underpinned by the extremely cost-effective exploration campaign which has seen our Resource base grow to 8.9 million ounces, also reflects our commitment to maximising financial returns.

“The combination of exploration success, particularly at Kundana and Kanowna, low costs and growing production is positioning us for further significant increases in free cash flow.”

**NorthernStar ** Units Sept-15 Qtr Dec-15 Qtr Mar-16 Qtr YTD
OreHoisted Tonnes 821,070 886,185 881,029 2,588,283
Mined Grade gpt Au 5.7 5.6 5.6 5.6
Gold in Ore Hoisted Oz 150,402 158,617 158,671 467,689
MilledTonnes Tonnes 911,818 970,999 891,068 2,773,885
Head Grade gpt Au 5.3 5.1 5.4 5.3
Ounces Produced Oz 154,445 159,133 155,848 469,426
Recovery % 91 91 92 91
Gold Recovered **Oz ** 140,242 **145,251 ** 142,630 428,123
Ounces Sold **Oz ** 141,556 142,017 143,469 427,042
Average Gold Price A$/oz 1,509 1,484 1,640 1,545
Revenue A$M 213.6 210.8 235.2 659.6
**Cash Operating Cost ** **A$/oz ** 836 837 737 803
**All inSustaining Cost ** **A$/oz ** 1,083 1,040 985 1,036
Total Stockpiles Contained Gold Oz 70,061 70,453 73,977 73,977
Gold in Circuit (GIC) Oz 17,505 20,816 19,409 19,409
Goldin Transit(GIT) Oz - - - -

Table 1: Key Group Performance Figures (Quarterly)

Northern Star Units Sept-15 Qtr Dec-15 Qtr Mar-16 Qtr YTD
Mining $/oz 551 561 470 527
Processing $/oz 189 188 176 184
Site Services $/oz 67 62 48 59
Ore Stock& GICMovements $/oz (3) (9) 5 (2)
Royalties $/oz 35 40 41 38
By Product Credits $/oz (3) (4) (3) (3)
Rehabilitation-Accretion&Amortisation $/oz 8 2 7 5
Corporate Overheads $/oz 44 35 43 41
MineDevelopment/Sustaining CAPEX $/oz 177 147 171 165
Mine Exploration $/oz 18 19 27 22
All in Sustaining Costs $/oz 1,083 1,040 985 1,036
Depreciation&Amortisation $/oz 276 300 337 305

Table 2: Key Group Cost per Ounce Measures

Production KPIs Mar Quarter Units Paulsens Plutonic Kanowna
Belle
Kundana Jundee Total
Total Ore Hoisted Tonnes 94755 164,571 172,925 119,625 329,154 881,029
Mine Grade gpt Au 8.0 3.3 4.3 8.5 5.7 5.6
GoldinOreHoisted Oz 24,336 17,352 24,063 32,755 60,165 158,617
Milled Tonnes Tonnes 92,502 190,235 219,425 112,273 276,634 891,068
Head Grade gpt Au 8.2 3.0 4.1 8.4 6.1 5.4
Recovery % 90 78 94 96 93 92
GoldRecovered Oz 22,060 14,124 27,012 28,849 50,584 142,630
Gold Sold Oz 22,963 13,668 23,203 28,849 54,786 143,469
Cash Operating Costs **A$/oz ** 718 1,303 679 600 **701 ** 737
All InSustaining Costs **A$/oz ** 999 1,975 **752 ** 828 914 985
Depreciation&Amortisation A$/oz 393 629 190 229 358 337

Table 3: Key Quarterly Mine Production Performance

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ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

FINANCE

The following is a table of the cash, bullion and investments held at the end of each quarter:

Units Sep-15 Qtr Dec-15 Qtr Mar-16 Qtr
Cashatbank A$M $163.4 $210.9 $262.3
Bullionawaiting settlement(1) A$M $26.1 $9.1 $17.2
Investments A$M $6.5 $5.5 $6.0
Total A$M $196.0 $225.5 $285.5

Table 4: Cash, Bullion and ASX equity investments

( 1 ) Bullion awaiting settlement is dore which has been received by the refiner in the quarter and is awaiting settlement.

The below table sets out the total of surface gold inventories:

Gold Inventories Sep-15 Qtr Dec-15 Qtr Mar-16 Qtr
Stockpiles contained gold (oz) 70,061 70,453 73,977
Gold In circuit (oz) 17,505 20,816 19,409
Gold In transit (oz) - - -
Total Gold Inventories (oz) 87,566 91,269 93,386

Table 5: Gold Inventories

The below waterfall chart highlights the March Quarter’s operating cash flow together with movements in cash, bullion and investments:

==> picture [497 x 150] intentionally omitted <==

The below waterfall chart highlights the underlying free cash flow for the March Quarter:

==> picture [497 x 151] intentionally omitted <==

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ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

The below waterfall chart provides an overview of year to date underlying free cash flow:

==> picture [497 x 150] intentionally omitted <==

Banking Facilities

During the quarter, Northern Star executed a self-arranged syndicated A$100m revolving debt facility with ANZ, CBA, HSBC and RBC. The new three year revolver facility provides Northern Star with a broader base of relationship banks, updated documentation and significantly lower financing costs.

The new debt facility is undrawn and replaces the previous undrawn banking facility.

Hedging

The below table outlines the Company’s current hedging position:

Term Jun-16 Qtr Sep-16 Qtr Dec– 16 Qtr Total
Ounces 63,000 41,443 32,500 136,693
GoldPrice A$1,651 A$1,628 A$1,628 A$1,638

Table 6: Hedging commitments

During the quarter 63,000oz of hedging was added for delivery across CY16 at an average of A$1,698/oz.

OPERATIONS

Paulsens Gold Operations

Production Summary Sep-15 Qtr Dec-15 Qtr Mar-16 Qtr YTD
Paulsens
OreMined Tonnes 105,832 92,772 94,755 293,359
Mined Grade gpt Au 7.9 7.0 8.0 7.6
OuncesMined Oz 26,892 20,730 24,336 71,958
Milled Tonnes Tonnes 101,311 95,953 92,502 289,766
Head Grade gpt Au 7.8 7.3 8.2 7.8
Recovery % 92 90 90 91
GoldRecovered Oz 23,259 20,152 22,060 65,471
Gold Sold Oz 22,736 19,161 22,963 64,860
Cost per Ounce
Mining A$/oz 377 447 385 400
Processing A$/oz 189 245 199 209
Site Services A$/oz 62 74 67 68
Ore Stock Movements A$/oz (23) (6) 27 -
Royalties A$/oz 36 38 41 38
ByProductCredits A$/oz (2) (2) (1) (2)
Cash Operating Costs A$/oz 639 795 718 713
Rehabilitation - Accretion&Amortisation A$/oz 6 5 5 5
Corporate Overheads A$/oz 45 35 44 42
MineDevelopment/ Sustaining CAPEX A$/oz 292 315 206 269
Paulsens Mine Exploration A$/oz 25 5 26 19
All in Sustaining Costs A$/oz 1,007 1,156 999 1,048
Depreciation&Amortisation A$/oz 360 390 393 381

Table 7: Summary Details – Paulsens

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ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

Plutonic Gold Operations

Production Summary Sep-15 Qtr Dec-15 Qtr Mar-16 Qtr YTD
Plutonic
Ore Mined Tonnes 159,172 173,450 164,571 497,193
Mined Grade gpt Au 4.0 3.8 3.3 3.7
OuncesMined Oz 20,651 21,315 17,352 59,318
Milled Tonnes Tonnes 175,640 198,959 190,235 564,833
Head Grade gpt Au 3.7 3.5 3.0 3.4
Recovery % 77 78 78 78
GoldRecovered Oz 16,147 17,248 14,124 47,519
Gold Sold Oz 16,365 16,910 13,668 46,943
Cost per Ounce
Mining A$/oz 1,274 1,107 856 1,092
Processing A$/oz 270 309 362 311
Site Services A$/oz 113 87 109 101
Ore Stock Movements A$/oz 5 (9) (59) (18)
Royalties A$/oz 31 40 37 36
ByProductCredits A$/oz (2) (3) (2) (2)
Cash Operating Costs **A$/oz ** **1,691 ** **1,531 ** 1,303 1,520
Rehabilitation-Accretion & Amortisation A$/oz 14 (6) 16 8
Corporate Overheads A$/oz 46 35 42 41
MineDevelopment/ Sustaining CAPEX A$/oz 81 85 474 196
PlutonicMineExploration A$/oz - - 140 41
All inSustaining Costs **A$/oz ** **1,832 ** 1,645 1,975 1,806
Depreciation&Amortisation A$/oz 330 257 629 391

Table 8: Summary Details – Plutonic

Kanowna Belle Gold Operations

Production Summary Sep-15 Qtr Dec-15 Qtr Mar-16 Qtr YTD
Kanowna Belle
OreMined Tonnes 183,668 207,061 172,925 563,654
Mined Grade gpt Au 4.8 4.1 4.3 4.4
Ounces Mined Oz 28,597 27,028 24,063 79,688
MilledTonnes Tonnes 195,650 196,489 219,425 611,563
Head Grade gpt Au 4.3 3.8 4.1 4.1
Recovery % 94 94 94 94
Gold Recovered Oz 25,524 22,572 27,012 75,108
Gold Sold **Oz ** **27,074 ** 25,153 23,203 75,429
Cost per Ounce
Mining A$/oz 443 513 411 456
Processing A$/oz 166 122 139 143
Site Services A$/oz 80 74 14 57
Ore Stock Movements A$/oz (26) 3 72 14
Royalties A$/oz 35 47 48 43
By Product Credits A$/oz (6) (6) (5) (5)
Cash Operating Costs A$/oz 692 753 679 708
Rehabilitation - Accretion&Amortisation A$/oz 11 (1) 12 7
Corporate Overheads A$/oz 45 34 45 42
MineDevelopment/ Sustaining CAPEX A$/oz 3 15 16 11
Kanowna Belle Mine Exploration A$/oz 12 9 - 8
All in Sustaining Costs A$/oz 763 811 752 776
Depreciation&Amortisation A$/oz 138 206 190 177

Table 9: Summary Details – Kanowna Belle

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ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

Kundana Gold Operations

Production Summary Sep-15 Qtr Dec-15 Qtr Mar-16 Qtr YTD
Kundana
Ore Mined Tonnes 92,660 114,213 119,625 326,497
Mined Grade gpt Au 6.7 8.0 8.5 7.8
OuncesMined Oz 19,820 29,271 32,755 81,846
Milled Tonnes Tonnes 91,658 120,415 112,273 324,347
Head Grade gpt Au 7.5 7.3 8.4 7.7
Recovery % 96 96 96 96
GoldRecovered Oz 21,219 27,034 28,849 77,102
Gold Sold Oz 21,219 27,034 28,849 77,102
Cost per Ounce
Mining A$/oz 464 438 456 452
Processing A$/oz 186 134 116 142
Site Services A$/oz 50 45 27 39
Ore Stock Movements A$/oz (29) 6 (33) (18)
Royalties A$/oz 31 36 37 35
ByProductCredits A$/oz (4) (4) (3) (4)
Cash Operating Costs **A$/oz ** 698 655 600 646
Rehabilitation-Accretion & Amortisation A$/oz - - - -
Corporate Overheads A$/oz 42 36 44 41
MineDevelopment/ Sustaining CAPEX A$/oz 191 172 159 173
KundanaMineExploration A$/oz 31 35 25 30
All inSustaining Costs **A$/oz ** **962 ** 898 828 890
Depreciation&Amortisation A$/oz 277 233 229 244

Table 10: Summary Details – Kundana

Jundee Gold Operations

Production Summary Sep-15 Qtr Dec-15 Qtr Mar-16 Qtr YTD
Jundee
OreMined Tonnes 279,738 298,689 329,154 907,581
Mined Grade gpt Au 6.1 6.3 5.7 6.0
OuncesMined Oz 54,442 60,273 60,165 174,880
Milled Tonnes Tonnes 347,559 359,183 276,634 983,376
Head Grade gpt Au 5.3 5.4 6.1 5.6
Recovery % 92 93 93 93
GoldRecovered Oz 54,094 58,246 50,584 162,924
Gold Sold Oz 54,163 53,760 54,786 162,709
Cost per Ounce
Mining A$/oz 494 514 442 483
Processing A$/oz 178 187 167 177
Site Services A$/oz 56 52 51 53
Ore Stock Movements A$/oz 24 (24) 3 1
Royalties A$/oz 37 38 41 39
ByProductCredits A$/oz (3) (3) (3) (3)
Cash Operating Costs A$/oz 786 764 701 750
Rehabilitation - Accretion&Amortisation A$/oz 8 6 6 6
Corporate Overheads A$/oz 45 35 43 41
MineDevelopment/ Sustaining CAPEX A$/oz 238 155 152 182
JundeeMineExploration A$/oz 20 26 12 20
All in Sustaining Costs A$/oz 1,097 986 914 999
Depreciation&Amortisation A$/oz 294 361 358 338

Table 11: Summary Details – Jundee

Additional information on the individual Operations can be found in Appendix 1.

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ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

- EXPLORATION AND DEVELOPMENT OPERATIONS

Kanowna Belle

Underground definition diamond drilling at Velvet (located 600m west of the Lowes underground orebody) throughout the quarter continued to return excellent results (see ASX announcement dated 17 March 2016).

In addition, initial drilling has intersected similar prospective stratigraphy with anomalous low grade mineralisation several hundred metres up dip of the Velvet deposit opening up a large untested area along the Fitzroy Fault trend for potential extensions. Planning for additional drill drive access for this area is underway.

Kundana (NST 51% EKJV)

Underground Resource and exploration drilling at Rubicon, Hornet, Pegasus and Raleigh South during the quarter continued to generate high-grade results at the Pegasus, Rubicon and Hornet deposits. The results indicate that the three of the major deposits on the K2 structure are connected at depth, forming a continuous 2km-long orebody (see ASX announcement dated 7 April 2016).

Extensional drilling programs at Hornet continued to return significant results both laterally and down-dip on the main K2 structure. In addition, grade control drilling continues to outline significant mineralisation in the hanging wall to the main K2 zone opening up future opportunities adjacent to current mining operations in this area.

Further extensional drilling at Rubicon North and South extended high grade mineralisation returning significant intersections within the K2 structure and some significant results in the associated K2B and hanging wall structures.

Development drilling at Pegasus North achieved further significant results on the K2 structure and the adjacent Pode Zone/K2B structures.

At Raleigh, exploratory drilling and development continues to return significant intersections from the Raleigh Main Vein to the south of the existing mine infrastructure over a significant vertical extent of the mine. Drilling is continuing on this key exploration target to outline potential Resource extensions on the main Raleigh structure.

Surface exploration drilling focussed on infill and extensional diamond drilling programs at Pegasus successfully targeting the K2, K2B and Pode mineralisation. Assay results are pending.

Kundana (100% NST)

Surface exploration was focussed on extensional and infill diamond drilling at Millennium with the program completed during the quarter. The infill definition drilling has confirmed the extent of the Millennium Resource on the K2 structure and recorded scattered significant intersections within the K2B zone. The extensional diamond drilling recorded several intersections outside the Millennium Resource envelope which remains open to the north and at depth down plunge.

Surface RC drilling at Millennium also recorded several significant oxide gold intersections at shallow depths in an interpreted near surface palaeochannel.

Jundee

During the quarter, exploration and development projects continued within the existing mining operations. Eight underground diamond drilling rigs focussed on Resource conversion and exploration programs within the underground mine with two surface diamond drill rigs operating in the mine precinct.

In-mine Resource development drilling continued at Wilson, NIM, Westside, Wilson, Gringotts and Gateway areas during the quarter.

Development of the deep drill drive from the base of the Barton Mine continued on schedule during the quarter (80% complete). Diamond drilling from the new drill drive continued to return encouraging results from mineralised structures from the depth continuation of the Jundee mine sequence.

Diamond drilling continued at Gateway South and the new Revelation trend from both underground and surface positions continued to achieve significant results. To date, Revelation trend mineralisation has been defined over a strike length of approximately 800 metres and appears to be an extension of the Nexus Lode. A further 800 metres of strike from Revelation north to Nexus is untested with surface diamond drilling to target this area next quarter.

Page 7 of 13

ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

Paulsens

Underground diamond drilling for the quarter consisted of extension drilling targeting the Voyager 2 zone down plunge from the lower level drill platform. Grade control drilling continued at Voyager 2 Upper Zone, Titan and Paulsens lower zone ore bodies at various levels in the mine.

Plutonic

Underground Resource development drilling programs focused on the Caribbean, Cortez and Indian areas during the quarter.

REGIONAL EXPLORATION

Carbine

A 21 hole RC and diamond drilling program commenced at Paradigm North late in the quarter. The drilling program aims to follow up and extend the previously announced high grade intersections in the area north of the existing Paradigm Mine and test for selected areas for shallow oxide gold mineralisation.

Central Tanami Project (25% NST)

RC and diamond infill and extensional drilling programs continued during the quarter at the Groundrush deposit, located approximately 50km north of the Central Tanami plant site. A further 11,950 metres of drilling was completed to finish the current program.

The infill drilling program focussed on establishing the continuity of mineralisation to a vertical depth of 300m below the surface at the southern end of the Groundrush deposit with additional drilling targeting depth and down plunge extensions to the existing Resource model.

Preparation of a new Resource model is in progress for completion during the next quarter.

Jundee

A 7,049 metre air core drilling program completed at the El Campo prospect (southeast of the Jundee mine area) defined several gold anomalies with further drilling planned.

Hermes

Resource development and sterilisation drilling program commenced in March at the Hermes Project as part of the feasibility study for the proposed development.

The 23,000 metre RC drilling program is expected to be completed next quarter together with the finalisation of infrastructure sites and access corridors.

Paulsens

Surface exploration included diamond drilling of geophysical anomalies at the Southern Gabbro prospect. Further RC drilling is planned next quarter following the finalisation of heritage clearances for the area.

Pilbara Regional

Regional geochemical programs were completed across Ashburton Basin prospects at Mindle Shear, Slate Bore, Moloney West, Soldiers Secret and Charlie’s Creek during the quarter.

In the southern Ashburton Basin area, soil and rock-chip sampling programs defined gold and copper-gold geochemical anomalies at the Soldiers Secret and Charlie’s Creek prospect areas. Further work is planned to determine the significance of the area.

Fortescue Joint Venture

Prospectivity analysis based on regional geochemical data has identified a number of discrete gold and pathfinder element anomalies which will prioritise future exploration programs.

Page 8 of 13

ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

CORPORATE

  • During the quarter, the Company announced:

  • entering into a Letter of Intent with Beacon Minerals Limited to process Beacon’s high grade refractory ore under an ore purchase agreement;

  • that it intended to commence a formal sale process for the Plutonic Gold Mine following unsolicited approaches from interested parties;

  • an interim fully-franked dividend of three cents per share, payable on 5 April 2016; and

  • a change of Share Registry from Advanced Share Registry to Link Market Services Limited, effective 14 March 2016.

  • During the quarter, Northern Star participated in the BMO conference, the Euroz annual Institutional conference, an institutional and retail investor roadshow in Melbourne and Sydney; and several investor site tours to its Kalgoorlie and Jundee operations. The Company maintains a proactive presentation calendar to stockbroking firms, institutional and retail investors to promote the Company and its activities.

  • Issued Capital

  • During the quarter, 179,732 ordinary shares were issued on 23 February 2016 following the cashless conversion of 250,000 employee options.

  • Subsequent to the quarter end:

    • 11,934 employee shares were released from voluntary escrow following cessation of employment in accordance with the Company’s 2011 Employee Share Plan; and

    • 368,683 unlisted employee options issued as part of the FY2015 employee long term incentives and 162,264 unlisted employee options issued as part of the FY2016 employee long term incentives were cancelled following cessation of employment in accordance with the Company’s 2012 Employee Share Option Plan No. 3.

The issued capital of the Company at the date of this report is:

Class of Securities **Issued capital **
FullyPaid Ordinary Shares 600,209,289
Unlisted Options (various expiry dates) 3,495,147

Table 12: Issued Capital

Yours faithfully

==> picture [99 x 25] intentionally omitted <==

BILL BEAMENT Managing Director Northern Star Resources Limited

Investor Enquiries:

Luke Gleeson, Investor Relations, Northern Star Resources Limited T: +61 8 6188 2103 E: [email protected]

Forward Looking Statements

Northern Star Resources Limited has prepared this announcement based on information available to it. No representation or warranty, express or implied, is made as to the fairness, accuracy, completeness or correctness of the information, opinions and conclusions contained in this announcement. To the maximum extent permitted by law, none of Northern Star Resources Limited, its directors, employees or agents, advisers, nor any other person accepts any liability, including, without limitation, any liability arising from fault or negligence on the part of any of them or any other person, for any loss arising from the use of this announcement or its contents or otherwise arising in connection with it.

This announcement is not an offer, invitation, solicitation or other recommendation with respect to the subscription for, purchase or sale of any security, and neither this announcement nor anything in it shall form the basis of any contract or commitment whatsoever. This announcement may contain forward looking statements that are subject to risk factors associated with gold exploration, mining and production businesses. It is believed that the expectations reflected in these statements are reasonable but they may be affected by a variety of variables and changes in underlying assumptions which could cause actual results or trends to differ materially, including but not limited to price fluctuations, actual demand, currency fluctuations, drilling and production results, Reserve estimations, loss of market, industry competition, environmental risks, physical risks, legislative, fiscal and regulatory changes, economic and financial market conditions in various countries and regions, political risks, project delay or advancement, approvals and cost estimates.

1 Calculated using the average AUD/USD exchange rate over the quarter of AUD/USD of 72.15 Ȼ

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ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

– - APPENDIX 1 ADDITIONAL INFORMATION OPERATIONS

Paulsens Gold Operations

Safety

There were no lost time incidents during the quarter.

Underground Production

Mine Development:

Mine Development:
Sep-15 Qtr Dec –15 Qtr Mar-16 Qtr
Decline 327m 175m 161m
Level 320m 535m 538m
Strike driving 759m 479m 758m
Total (metres) 1,406m 1,189m 1,457m

Table 1: Underground Production – Mine Development

Capital development focused on advancing the decline towards the 239mRL level, establishing the 250mRL return air connection, level development on the 256mRL and 273mRL operating levels which both access the Voyager 2 Upper Zone ore body, mining the 285 level Drill Drive, access development on the 341mRL level to access the Titan lode and upper level development to access the Cassini lode on the 1110mRL level and the Soyuz lode on the 1104mRL level.

Operating development saw the continued development of high grade Voyager 2 Upper Zone mining areas on the 273mRL and 256mRL in line with forecast. Additional operating development was completed in the Titan ore lodes on the 358mRL and 375mRL levels and in the Upper levels in the Cassini at the 1110mRL and Gemini at the 1110mRL.

Development yielded 34,914 tonnes at an average reconciled grade of 8.4gpt.

Sep-15 Qtr Dec -15 Qtr Mar-16 Qtr
Development ore (t) 47,460 31,252 34,914
Development grade (gpt) 8.1 5.4 8.4
Stope ore (t) 55,516 56,092 56,287
Stope grade (gpt) 8.1 8.4 8.2
Low grade ore (t) 2,856 5,428 3,554
Low grade (gpt) 1.4 1.5 1.1
Total ore (t) 105,832 92,772 94,755
Total grade (gpt) 7.9 7.0 8.0
Contained gold (oz) 26,892 20,730 24,336

t=tonnes, gpt=grams per tonne, oz=ounces

Table 2: Ore Development – Mine Development

  • Stope production was 56,287 tonnes at 8.2gpt sourced predominately from the Voyager 2 upper zone on the 324, 307, 290 and 273mRL levels. Additional stope tonnes were sourced from the Paulsens Lower Zone at the 880mRL, Gemini at the 1130 and 1116mRL and Voyager 1 Upper Zone at the 375 level. High grade air-leg development and stope tonnes from Paulsens Lower Zone at the 803, 823 and 1089mRL and Cassini at the 1125mRL supplemented the mechanized production tonnes.

Gold Production

92,502 tonnes were milled during the quarter at 8.2gpt and 90% recovery for 22,060oz produced. Mill feed primarily consisted of Voyager 2 Upper Zone, additional sources included Paulsens Lower zone, Titan, Gemini and Cassini.

Ore stocks at the end of the quarter totaled 5,082oz of gold.

Gold Sales

22,963oz were sold.

Plutonic Gold Operations

Safety

There were two (2) Lost Time Injuries (LTI) recorded during the quarter.

Underground Production

Mine Development:

Sep -15 Qtr Dec -15 Qtr Mar-16 Qtr
Decline 256m 174m 0m
Level 344m 192m 24m
Strike driving 1,676m 1,752m 1,994m
Total(metres) 2,276m 2,118m 2,018m

Table 3: Underground Production – Mine Development

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ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

Plutonic operation experienced severe weather disruption during January with an intense rainfall event on January 25th with 153mm over 24hr period. (138mm in 2 hrs). This restricted working areas in the lower parts of the underground mine until pumping was increased to dewater to safe levels to allow lower mine access.

Operations continued throughout February, albeit under a revised schedule and in lower grade zones due to the disruption. March returned to normal operation with 6,965oz mined in the month and 6,096oz gold produced.

Ore development continued in the Caribbean, West, North, Baltic, Pacific East, Mariner, Timor, Coral and Vent Decline areas.

Decline areas.
Sep -15 Qtr Dec -15 Qtr Mar-16 Qtr
Development ore(t) 38,973 49,197 44,847
Developmentgrade(gpt) 4.7 2.8 2.7
Stope ore(t) 120,199 124,253 119,724
Stopegrade(gpt) 3.8 4.2 3.5
Lowgrade ore(t)
Lowgrade(gpt)
Total ore(t) 159,172 173,450 164,571
Totalgrade(gpt) 4.0 3.8 3.3
Containedgold(oz) 20,651 21,315 17,352

t=tonnes, gpt=grams per tonne, oz=ounces

Table 4: Underground Production – Ore Tonnes

Underground stoping produced 119,724 tonnes at 3.5gpt predominately from the Caribbean 16, 18 and 20 levels along with the West 20 level, Pacific East 22 and Timor Vent 14 levels.

Further project development activity occurred at Hermes with continued resource drilling and sterilisation drilling for dump sites commenced. Mining design optimisation and schedules were completed during the quarter.

Gold Production

190,235 tonnes were milled during the quarter at 3.0gpt and 78% recovery for 14,123oz. Milling operations continue to operate on a campaign basis.

Gold Sales

13,668oz were sold

Kanowna Belle Gold Operations

Safety

There was one (1) Lost Time Injury (LTI) during the quarter.

Underground Production

Mine Development:

Mine Development:
Sep -15 Qtr Dec -15 Qtr Mar-16 Qtr
Decline 494m 345m 576m
Level Nil Nil Nil
Strike driving (1) 488m 835m 490m
Total(metres) 982m 1,180m 1,065m

Note (1) includes development through paste-fill

Table 5: Underground Production – Mine Development

Development for the quarter focussed on establishing the Velvet exploration drill platform and Velvet access drive. Drilling was still ongoing during the Quarter with a focus on resource targeting of Velvet. An updated ASX release was published showing highly encouraging results within and around the Velvet target. Priority development is accessing the Velvet discovery and remnant stoping areas to extend life of mine plan. It is expected that the development will intersect the Velvet zone during the June quarter.

Sep -15 Qtr Dec -15 Qtr Mar-16 Qtr
Development ore(t) 11,524 33,184 21,356
Developmentgrade(gpt) 3.9 2.8 3.0
Stope ore(t) 172,143 173,877 151,569
Stopegrade(gpt) 4.9 4.3 4.5
Lowgrade ore(t) Nil Nil Nil
Lowgrade(gpt) Nil Nil Nil
Total ore(t) 183,668 207.061 172,925
Totalgrade(gpt) 4.8 4.1 4.3
Containedgold(oz) 28,597 27,028 24,063

t=tonnes, gpt=grams per tonne, oz=ounces

Table 6: Underground Production – Ore Production

Stope production was 151,569tonnes at 4.5gpt which exceeded planned tonnage and on plan for grade.

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ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

Gold Production

Kanowna Belle milled 219,424 tonnes in the March Quarter at 4.1gpt and 94% recovery for 27,012oz.

Ore stocks at the end of the quarter totalled 6,620oz of gold.

Gold Sales

23,203oz were sold.

Kundana Gold Operations

Introduction

The Kundana Gold Operations includes the Rubicon, Hornet, Raleigh and Pegasus deposits. These mines are part of the East Kundana Joint Venture (EKJV) with companies Rand Mining Ltd and Tribune Resources Ltd.

Safety

There were no (0) Lost Time Injuries (LTI) during the quarter.

Underground Production

All mine production physicals associated with the EKJV are reported as 100% of those physicals to better represent overall mine performance.

Mine Development:

Mine Development:
Sep -15 Qtr Dec -15 Qtr Mar-16 Qtr
Decline 612m 501m 565m
Level 997m 703m 581
Strike driving (inclpaste) 1,452m 2,313m 2,500m
Total(metres) 3,061m 3,517m 3,645m

Table 7: Underground Production – Mine Development (physicals represent 100% EKJV)

The main focus on capital development has been the Pegasus Incline, Pegasus Decline, Rubicon Decline and Hornet Decline. The Pegasus Incline is at the 6219mRL and the Pegasus Decline is at the 5974mRL at the end of the March Quarter. The Hornet Decline has progressed to the 5777mRL and the Rubicon Decline is at the 5930mRL. 2,500m of strike driving was completed in March Quarter demonstrating a continued growth in performance from existing resources.

Development yielded 127,014 tonnes at an average reconciled grade of 6.3gpt.

Sep -15 Qtr Dec -15 Qtr Mar-16 Qtr
Development ore(t) 84,470 128,586 127,014
Developmentgrade(gpt) 5.4 7.3 6.3
Stope ore(t) 97,837 96,147 108,423
Stopegrade(gpt) 7.8 8.8 11.1
Lowgrade ore(t) NA NA NA
Lowgrade(gpt) NA NA NA
Total ore(t) 182,307 224,733 235,438
Totalgrade(gpt) 6.7 8.0 8.5
Containedgold(oz) 39,024 57,673 64,534

t=tonnes, gpt=grams per tonne, oz=ounces

Table 8: Underground Production – Ore production (physicals represent 100% EKJV)

Stope production for the March Quarter was 108,423 tonnes at 11.1gpt with grade representative of the modelled sources and sequence of mining.

Gold Production

Kundana ore milled in March Quarter (NST share) was 112,272 tonnes at 8.4gpt and 95.8% recovery for 28,849 gold ounces.

Ore stocks at the end of the quarter (NST share) totalled 14,603oz of gold.

Gold Sales

28,849 oz were sold.

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ASX: NST

QUARTERLY ACTIVITIES REPORT For the Quarter ended 31 March 2016

Jundee Gold Operations

Safety

There were no (0) Lost Time Injuries (LTI) during the quarter.

Underground Production

Mine Development:

Mine Development:
Sep -15 Qtr Dec -15 Qtr Mar-16 Qtr
Decline 1,243m 1,320 1,152
Level 866m 660 614
Operating 2,084m 2,060 2,280
Total(metres) 4,193m 4,040m 4,046

Table 9: Underground Production – Mine Development

Capital mine development has focused on completing the north leg of the 39WSN DDR while continuing advance in the DDR South. This drill drive development is ahead of schedule and below budget cost. Other priorities have been the Declines and access drives in the WSN, Nim3, WWN and GTW lodes. Good progress was performed in operating development in the upper Gringotts and lower Gateway as well as in the Wilson area.

Mine Production:

Mine Production:
Sep -15 Qtr Dec -15 Qtr Mar-16 Qtr
Development ore(t) 94,843 104,312 130,094
Developmentgrade(gpt) 3.4 3.0 4.2
Stope ore(t) 184,895 194,377 199,059
Stopegrade(gpt) 7.4 8.0 6.6
Total ore(t) 279,738 298,689 329,153
Totalgrade(gpt) 6.1 6.3 5.7
Containedgold(oz) 54,442 60,274 60,165

t=tonnes, gpt=grams per tonne, oz=ounces

Table 10: Underground Production – Ore production

Ore from the Wilson bulk stope has provided solid base load of the production ore with the initial firings proceeding as designed during the March quarter. The other main contributing area was the 16GGT and 17GGT levels with comparatively smaller quantities mined from the Nim3 and WSN regions. Good development grades have been mined in the upper GGT drives and lower Wilson levels representing confirmation of geological model and planned stoping grade.

Gold Production

Jundee ore milled in the March Quarter was 276,634 tonnes at 6.1gpt and 93% recovery for 50,584 gold ounces.

Milling throughput was a blend of 98% underground fresh rock and 2% oxide feed. Overall throughput was lower due to a reduction in low grade oxide material processed and the batch treatment of the Wilson bulk stope during the period. Steady throughput and consistent recoveries achieved during the quarter. A four day planned maintenance shut was successfully completed in February 2016.

Ore stocks at the end of the quarter totaled 38,079oz of gold.

Gold Sales

54,786oz sold.

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ASX: NST