September 2016 Quarterly Activities Report NORTHERN STAR BANKS ANOTHER A$24M AS GROWTH STRATEGY GAINS PACE On track to meet FY17 production guidance of 485,000-515,000oz and hit targeted annual production rate of 600,000oz in 2018 KEY POINTS

ASX ANNOUNCEMENT

28 October 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 Shirley In'tVeld

Non-Executive Director

Mr David Flanagan

Non-Executive Director

Issued Capital

Shares 600 million

Options 3.2 million

Current Share Price A$4.03

Market Capitalisation A$2.4 billion

Cash, Bullion & Investments 30 Sep 2016 - A$350 million

Free cash flow of A$24m after investing A$28m in organic production growth and exploration

Cash and equivalents increased to A$350m at 30 September, up from A$326m at 30 June; Northern Star has no bank debt

110,000oz of gold produced in the September Quarter from continuing operations, just 7,000oz below budget despite 10% reduction in Jundee mill throughput; on track to meet FY17 guidance of 485,000-515,000oz

All-in sustaining costs (AISC) for September Quarter of A$1,091/oz from continuing operations despite reduced mill throughput; on track to meet FY17 guidance of A$1,000-A$1,050/oz

Total gold inventory (gold in circuit and on stockpiles awaiting processing) of

~100,000oz and continuing to grow

September Quarter production:

  • Jundee Gold Operations:

    • 51,337oz mined and 42,220oz sold at an AISC A$1,168/oz

  • Kalgoorlie Gold Operations:

    • 47,235oz mined and 49,188oz sold at an AISC A$928/oz

  • Paulsens Gold Operations:

    • 15,722oz mined and 15,111oz sold at an AISC A$1,406/oz

Sale of the Plutonic mine for A$66m has settled with a special 3¢ fully-franked dividend declared (payable 2 November 2016)

Northern Star's highly successful exploration strategy delivered a 33% increase in Reserves to 2.0Moz after mining 611,000oz in FY16; at a cost of A$50/oz. Total Resources increased to 9.25Moz

Further strong progress made on strategy to grow production to 600,000ozpa in 2018 from organic sources, with substantial exploration success at Jundee and Kalgoorlie operations

The new 50,000ozpa Millennium underground mine commenced development during the quarter

Board restructure announced that will enable Northern Star to further develop its growth strategies and maximise its significant opportunities while maintaining its strong emphasis on operational performance

Northern Star will host a quarterly conference call today at 8.30am AWST (11.30am AEDT), Friday, 28 October 2016. The call can be accessed at http://boardroom.media/broadcast/?refid=&eid=581158e0068c79b661df90a3

Projects

Paulsens Mine Kanowna Belle Mine

Kundana Mines (51% of EKJV) Jundee Mine

Central Tanami (25% of JV)

Listed Investments

VXR, DAU, RND, TBR, ALY

Northern Star Resources Limited (ASX: NST) is pleased to report on a solid quarter during which the Company generated A$24 million in free cashflow while remaining on track to achieve its growth targets.

Cash and equivalents rose by A$24 million over the quarter despite the Company investing A$28 million in its organic growth strategy.

Production totalled 110,000oz, which was just 7,000oz below budget despite the 10% reduction in mill throughput at Jundee. The budget allows for 241,000oz to be produced in the current half with a significant increase in the second half.

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By limiting the impact of the lower Jundee mill throughput, which was the result of reduced capacity while waiting for components, Northern Star remains on track to meet its annual production guidance of 485,000- 515,000oz.

Throughput at the Jundee mill has been running at record rates in October, resulting in significant production increases.

AISC for the quarter were A$1,091/oz. This was actually lower than budget despite the reduced production, reflecting the benefits of the Company's cost-cutting program. Northern Star maintains its FY17 AISC guidance of A$1,000-A$1,050/oz.

All the above production and guidance figures exclude the Plutonic gold mine, which sold for A$66 million, effective from 1 October 2016. A special dividend of 3¢ fully-franked will be paid on 2 November 2016.

Plutonic produced 20,211oz in the quarter at an AISC of A$1,495/oz.

Northern Star continued to enjoy outstanding exploration success during the quarter as part of its organic growth strategy.

As well as identifying new mineralisation at and around its existing operations, particularly at Jundee and Kalgoorlie, the Company made strong progress developing new sources of production. This included the start of development at its 50,000ozpa Millennium underground mine in Kalgoorlie.

This has ensured Northern Star remains on track to achieve an annual production rate of 600,000oz in 2018.

Northern Star Managing Director Bill Beament said the exploration and development programs at the Company's four concentrated centres of production were delivering outstanding results.

"We are finding more gold and developing additional sources of ore at an impressive rate," Mr Beament said.

"These results continue to underpin our confidence in our organic growth strategy, which will in turn ensure we continue to generate some of the highest financial and shareholder returns on the ASX."

Northern Star

Units

Dec-15 Qtr

Mar-16 Qtr

Jun-16 Qtr

Sep-16 Qtr

FYTD

Ore Hoisted

Tonnes

886,185

881,029

907,396

742,983

742,983

Mined Grade

gpt Au

5.6

5.6

4.9

4.8

4.8

Gold in Ore Hoisted

Oz

158,617

158,671

143,599

114,294

114,294

Milled Tonnes

Tonnes

970,999

891,068

1,094,571

745,425

745,425

Head Grade

gpt Au

5.1

5.4

4.1

5.0

5.0

Ounces Produced

Oz

159,133

155,848

143,580

118,759

118,759

Recovery

%

91

92

91

93

93

Gold Recovered

Oz

145,251

142,630

130,020

109,995

109,995

Ounces Sold

Oz

142,017

143,469

134,110

106,519

106,519

Average Gold Price

A$/oz

1,484

1,640

1,684

1,720

1,720

Revenue

A$M

210.8

235.2

225.9

183.2

183.2

Cash Operating Cost

A$/oz

837

737

843

796

796

All in Sustaining Cost

A$/oz

1,040

985

1,056

1,091

1,091

Total Stockpiles Contained Gold

Oz

70,453

73,977

80,342

81,540

81,540

Gold in Circuit (GIC)

Oz

20,816

19,409

15,136

16,065

16,065

Gold in Transit (GIT)

Oz

-

-

585

-

-

Table 1: Key Group Performance Figures (Quarterly) from Continuing Operations

Northern Star

Units

Dec-15 Qtr

Mar-16 Qtr

Jun-16 Qtr

Sep-16 Qtr

FYTD

Mining

A$/oz

561

470

557

508

508

Processing

A$/oz

188

176

214

283

283

Site Services

A$/oz

62

48

58

59

59

Ore Stock & GIC Movements

A$/oz

(9)

5

(26)

(87)

(87)

Royalties

A$/oz

40

41

43

38

38

By Product Credits

A$/oz

(4)

(3)

(4)

(5)

(5)

Rehabilitation-Accretion & Amortisation

A$/oz

2

7

1

5

5

Corporate Overheads

A$/oz

35

43

46

54

54

Mine Development/Sustaining CAPEX

A$/oz

147

171

152

209

209

Mine Exploration

A$/oz

19

27

14

27

27

All in Sustaining Costs

A$/oz

1,040

985

1,056

1,091

1,091

Depreciation & Amortisation

A$/oz

300

337

303

316

316

Table 2: Key Group Cost per Ounce Measures from Continuing Operations

Production KPIs Sep Quarter

Units

Paulsens

Kalgoorlie Operations

Jundee

Total

Total Ore Hoisted

Tonnes

88,467

334,486

320,030

742,983

Mine Grade

gpt Au

5.5

4.4

5.0

4.8

Gold in Ore Hoisted

Oz

15,722

47,235

51,337

114,294

Milled Tonnes

Tonnes

96,759

348,181

300,485

745,425

Head Grade

gpt Au

5.5

4.9

4.8

5.0

Recovery

%

89

94

92

93

Gold Recovered

Oz

15,047

51,725

43,223

109,995

Gold Sold

Oz

15,111

49,188

42,220

106,519

Cash Operating Costs

A$/oz

984

729

808

796

All In Sustaining Costs

A$/oz

1,406

928

1,168

1,091

Depreciation & Amortisation

A$/oz

416

209

405

316

Table 3: Key Quarterly Mine Production Performance from Continuing Operations Discontinued operations quarterly production performance is presented in Table10 below.

FINANCE

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

Units

Dec-15 Qtr

Mar-16 Qtr

Jun-16 Qtr

Sep-16 Qtr

Cash at bank

A$M

$210.9

$262.3

$315.3

$311.3

Bullion awaiting settlement(1)

A$M

$9.1

$17.2

$1.9

$25.7

Investments

A$M

$5.5

$6.0

$8.8

$12.6

Total

A$M

$225.5

$285.5

$326.0

$349.6

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

Table 4: Cash, Bullion and ASX equity investments

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

Gold Inventories

Dec-15 Qtr

Mar-16 Qtr

Jun-16 Qtr

Sep-16 Qtr

Stockpiles contained gold (oz)

70,453

73,977

80,342

81,540

Gold In circuit (oz)

20,816

19,409

15,136

16,065

Gold In transit (oz)

-

-

585

-

Total Gold Inventories (oz)

91,269

93,386

96,063

97,605

Table 5: Gold Inventories

The below waterfall chart highlights the September Quarter's operating cash flow together with movements in cash, bullion and investments (A$M):

450

77.5

38.3

16.3 2.4

3.1

349.6

326.0

400

350

300

250

200

Opening Operating Cashflow PP&E Exploration Investments Debt Repaid Closing

1.7

The below waterfall chart highlights the underlying free cash flow for the September Quarter (A$M):

24

24

23

23

22

22

21

21

20

20

19

23.6

1.7

2.4

22.9

Q1 Cash, Bullion & Inv

Movement

Working Capital

M&A

Investments

Debt Repaid

Underlying Free Cashflow

3.1

Banking Facilities

Northern Star has in place an undrawn three year A$100 million revolving debt facility with a self-arranged syndicate of Australian and International banks.

Hedging

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

Term

Dec-16 Half

Jun-17 Half

Dec-17 Half

Jun-18 Half

Dec-18 Half

Total

Ounces

54,160

75,000

59,000

59,000

17,500

264,660

Gold Price

A$1,673

A$1,721

A$1,772

A$1,804

A$1,856

A$1,750

Table 6: Hedging commitments

During the quarter, 16,660oz of hedging was added for delivery across the December 2016 quarter at an average of A$1,722/oz.

OPERATIONS

Paulsens Gold Operations

Production Summary

Dec-15 Qtr

Mar-16 Qtr

Jun-16 Qtr

Sep-16 Qtr

FYTD

Paulsens

Ore Mined

Tonnes

92,772

94,755

105,453

88,467

88,467

Mined Grade

gpt Au

7.0

8.0

5.7

5.5

5.5

Ounces Mined

Oz

20,730

24,336

19,293

15,722

15,722

Milled Tonnes

Tonnes

95,953

92,502

96,805

96,759

96,759

Head Grade

gpt Au

7.3

8.2

5.6

5.5

5.5

Recovery

%

90

90

87

89

89

Gold Recovered

Oz

20,152

22,060

15,271

15,047

15,047

Gold Sold

Oz

19,161

22,963

15,418

15,111

15,111

Cost per Ounce

Mining

A$/oz

447

385

595

601

601

Processing

A$/oz

245

199

307

290

290

Site Services

A$/oz

74

67

121

83

83

Ore Stock Movements

A$/oz

(6)

27

(58)

(24)

(24)

Royalties

A$/oz

38

41

43

37

37

By Product Credits

A$/oz

(2)

(1)

(2)

(3)

(3)

Cash Operating Costs

A$/oz

795

718

1,006

984

984

Rehabilitation - Accretion & Amortisation

A$/oz

5

5

7

5

5

Corporate Overheads

A$/oz

35

44

50

53

53

Mine Development / Sustaining CAPEX

A$/oz

315

206

242

352

352

Paulsens Mine Exploration

A$/oz

5

26

9

12

12

All in Sustaining Costs

A$/oz

1,156

999

1,314

1,406

1,406

Depreciation & Amortisation

A$/oz

390

393

433

416

416

Table 7: Summary Details - Paulsens

Kalgoorlie Gold Operations

Production Summary

Dec-15 Qtr

Mar-16 Qtr

Jun-16 Qtr

Sep-16 Qtr

FYTD

Kalgoorlie Operations

Ore Mined

Tonnes

321,274

292,550

321,620

334,486

334,486

Mined Grade

gpt Au

5.5

6

5.2

4.4

4.4

Ounces Mined

Oz

56,299

56,818

54,133

47,235

47,235

Milled Tonnes

Tonnes

316,904

331,698

321,103

348,181

348,181

Head Grade

gpt Au

5.1

5.6

5.2

4.9

4.9

Recovery

%

95

94

95

94

94

Gold Recovered

Oz

49,606

55,861

50,819

51,725

51,725

Gold Sold

Oz

52,187

52,052

54,592

49,188

49,188

Cost per Ounce

Mining

A$/oz

474

436

444

449

449

Processing

A$/oz

128

126

153

324

324

Site Services

A$/oz

59

21

50

57

57

Ore Stock Movements

A$/oz

5

14

(9)

(130)

(130)

Royalties

A$/oz

41

42

42

36

36

By Product Credits

A$/oz

(5)

(4)

(5)

(7)

(7)

Cash Operating Costs

A$/oz

702

635

675

729

729

Rehabilitation - Accretion & Amortisation

A$/oz

-

5

2

5

5

Corporate Overheads

A$/oz

35

44

43

55

55

Mine Development / Sustaining CAPEX

A$/oz

96

95

106

108

108

Kanowna Belle Mine Exploration

A$/oz

22

14

20

31

31

All in Sustaining Costs

A$/oz

856

794

845

928

928

Depreciation & Amortisation

A$/oz

220

212

212

209

209

Table 8: Summary Details - Kalgoorlie Operations

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