w w w. a u t o s t e m. i d

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w w w . a u t o s t e m . i d

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T A B L E O F C O N T E N T S SECTIONS

1. Introduction

2. Our company

3. Technology: AutoStem Generation 1, Generation 2 and Generation 3

4. Patents and accreditations

5. R&D presentation (test reports form part of IP)

6. Video presentation (accompanying videos available upon request)

7. A few case studies

8. Market size summary

Commercial Explosive

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A U T O S T E M R A N G E I S F I R S T V I A B L E

N O N - E X P L O S I V E B L A S T I N G T E C H N O L O G Y

 A fundamentally differentiated contribution to existing explosive products

 No shock combined with high energy delivery, classified as 1,4S

 Cartridge products suitable for all borehole sizes from 9mm – 87mm across power

charges from 3g – 1.7kg

 Significant factors influencing adoption include:

─ Classification: Benefits from 1,4S accreditation in transport, storage and use

─ Legislation shifts: No mass detonation hazard or malicious application favors non-

explosive solutions in sensitive blasting and/or built-up areas

─ Productivity: Avoided shock means minimal scatter rock, no site downtime,

immediate re-entry

─ Cost effectiveness: Lower than the cost of a detonator

─ Safety: 1,4s accredited. No deflagration without confinement. World’s first safety

switch in Gen III

 More appropriate solution for certain rock breaking applications

Commercial Explosive

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Introduced multiple products since 1999

Company

formed in

1997

2011 breakthrough:

AutoStem Technology

Led to a refocus of business activities

in Research and Development of

AutoStem Products

World’s first viable alternative

to conventional explosives

Production out of Johannesburg,

South Africa

Multiple patents granted

internationally

2017 – Appointed PT PINDAD

(PERSERO) for South East Asia Market

Since introducing the AutoStem

range in 2011, we now supply

product to over 40 counties

N O N - D E T O N A T I N G

S O L U T I O N S ( P T Y )

L T D – A D V A N C E D

N O N - D E T O N A T I N G

T E C H N O L O G Y

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AutoStem Gen III Conventional packaged product

TNT equivalent 1.1x 0.8x

Strength relative to ANFO c. 1.5x 1.0 – 1.1x

Velocity of deflagration 360 m/s 5,000 m/s

Heat of combustion (Celsius) 2,500 3,000

Vibration at 10m Highly controllable (< 2.5 mm/s) Significant

MORE POWER: Increase energy capacity, not VOD

NO SHOCK ENERGY: Reduce VOD (“velocity of detonation”). No detonation.

ENERGY CONVERSION: Delivery to rock

SAFETY PARADIGM: No malicious application, safe unless initiated in borehole

PREDETERMINED FRAGMENTATION: Cartridge for every application and requirement

A U T O S T E M D E S I G N O B J E C T I V E S

 Improved upon the energy released in the chemical reaction (∆Hf)

 Proven the decoupling of variables VOD and ∆Hf

 Self-stemming – the only self-stemming technology in the world

 Cannot be deflagrated outside a borehole

 Wide range of cartridge diameters, lengths and energetic mass

R E S U L T S

Commercial Explosive

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A U T O S T E M S A F E T Y – K E Y F E A T U R E S O F T O M O R R O W ’ S B L A S T I N G T E C H N O L O G Y

No detonator required

No mass explosion

hazard No terrorist

application

No confinement,

no reaction

Only blasting product with

a safety switch

1.4s classification

Minimal

clearing area scatter rockLimited

Minimal vibration

(PPV)

Elimination of unwanted

shock

Higher yield recoverable

N o o t h e r e x p l o s i v e p r o d u c t h a s a s a f e t y p r o f i l e l i k e t h a t o f o f t h e A U T O S T E M

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G E N E R A T I O N I

T H E B E G I N N I N G

 The world’s first self-stemming, high-powered non-detonating power cartridge

 Patented wedge stemming design

 Maximal safety with inability to ignite without confinement

 Available in 32mm diameter in power charges of 20g-100g

 Made significant impact in civils blasting market and oversize management

 Civils blasting and all variety of breaking work

 Made minimal fly-rock, low PPV a reality in production blasting

 Higher powered AutoStem I: 80g and 100g

 Lesser powered AutoStem I: 20g and 40g and 60g

 Created convenience in transport, storage and use

 1,4s Classification (UN 0432)

 Fully waterproof, meaning same product utilised under/above water

Commercial Explosive

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G E N E R A T I O N I I

2 0 1 5 L A U N C H

Most powerful non-detonating cartridge range released to date

Introduction of dual self-stemming technology

Available in 43mm diameter in sizes of 150g, 200g and 300g power charges

Imitable with or without explosive accessories

Sequential or simultaneous firing options

Approved globally

Maintained burning speed of c. 340 m/s while ramping up energy delivered

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G E N E R A T I O N I I I

2 0 1 7 L A U N C H

 Highest power non-detonating (non-explosive) ever designed and manufactured

 Dual-stemming, Safety lock feature, water proof

 Does not require explosive accessories to be initiated

 Cartridges from 3g to 1,700g

 Diameters from 9mm – 87mm and larger

 Widest range of blasting cartridges

 Can be initiated with/without detonators

Commercial Explosive

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A U T O S T E M M I C R O

T H E S M A L L E S T R A N G E O F B L A S T I N G C A R T R I D G E S

 The smallest range of blasting products ever

 9mm suitable for 10mm holes: Power charges from 3g

 16mm suitable for up to 20mm holes: Power charges from 15g

 No measurable vibration output

 Suitable for all types of concrete breaking, sensitive rock

breaking, small boulder blasting, in-crusher blasting

 Drilling can be done with a hand-held electric drill

 No compressor, rock drill, diesel, air-hoses required

Commercial Explosive

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S E E N A S “ F U T U R E O F E X P L O S I V E S ”

( E C O N O M I S T , 2 0 1 5 )

— EUROPE - (CE Mark of approval)

— USA - (Department of Transport)

— CANADA - (Ministry of Environment)

— SOUTH AFRICA - (South African Police Services)

— AUSTRALIA - (State Ministry of Mines)

— CHILE - (classified outside of explosive class)

Dual accreditation (Pyrotechnic and Cartridge, power device)

Few explosive products have global approval status or similar regulatory endorsements

See accompanying booklet for copies of accreditation documentation

P A T E N T S A N D A C C R E D I T A T I O N S

Commercial Explosive

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S O M E R & D T E S T R E P O R T S – S U M M A R Y E X A M P L E S

Extensive testing protocol

Ignition systems

Non-detonating materials design

Proportionate ratios

Plastics design

Switch designs and evaluation

Ignition characterization

Mini and micro range

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A U T O S T E M

C A R T R I D G E S –

V I D E O S A M P L E S

Video footage showing variety of AutoStem applications around the world:

─ A comparison in Tunneling using AutoStem versus conventional explosives

(Switzerland, 2015)

─ Extensive library of bench blasts in high value marble stone quarrying market

(Turkey, 2017 – present)

─ Civil blasting applications across the USA and Europe, showing AutoStem used in

a wide variety of civils applications including trenching, pipe-laying, construction

site excavation, amongst other applications (Global, 2014 – present)

─ Building demolition in Greece and elsewhere with limited vibration and

eliminated risk of debris (Europe, 2015 – present)

─ Large number of oversize management blasts globally in quarry & underground

environments, civil and residential blasting (Global, 2014 – present)

Above video footage and more available here CLICK HERE

Commercial Explosive

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B E N C H I N G –

A U T O S T E M R E P L A C E S C O N V E N T I O N A L M E T H O D S I N M A R B L E Q U A R R I E S I N T U R K E Y

 Turkey, 2017 - present

 Marble stone quarrying where the shockwave from conventional explosives would otherwise compromise the value of the marble

 Traditional methods include mechanical pecking as well as diamond wire cutting, but no high explosive use is permissible by quarrying management due to degradation of stone

 Bench heights range from 4m to 10m

 AutoStem use in Turkey set to change the economics of marble stone industry globally due to radically reduced recover costs of AutoStem vs. traditional mining methods

 Advantages of using AutoStem over conventional alternatives include:

— Site safety

— No shockwave damage to high value stone and minimal vibration

— Very low cost relative to conventional pecker methods of stone removal or diamond cutting wire

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B E F O R E B LA S T IN G

2 2 2

A F T E R B LA S T IN G

Commercial Explosive

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B E F O R E B LA S T IN G

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A F T E R B LA S T IN G

 USA, California, 2017 - present

 High explosive use in road side blasting in built up areas create numerous challenges, infrastructure-damage risks and safety implications

 Particularly in high-traffic areas, conventional explosives will typically cause significant road-way congestion and disruption

 Underground infrastructure (piping, etc) and overhead power lines risks being compromised by conventional blasting due to shockwaves, fly-rock and high vibration

 Advantages of using AutoStem over conventional alternatives include:

— Site safety

— No interruption to vehicular traffic flow, allowing for blasting on an as-you-need-to basis.

— No risk at all to nearby infrastructure or utilities due to shockwave or fly-rock

T R E N C H I N G –

A U T O S T E M R E P L A C E S C O N V E N T I O N A L E X P L O S I V E S I N R O A D - S I D E B L A S T I N G

Commercial Explosive

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B E F O R E B LA S T IN G

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A F T E R B LA S T IN G

 AutoStem, since 2016, has been used in the safe removal of hardened concrete in concrete mixers and storage drums, large boulders in crushers and tree trunk blasting

 Our 9mm (3g, 6g and 9g) products cause no damage to drum or mixer equipment, and is safely used in basement removal settings, pillar or concrete beam removal

 10mm boreholes can be drilled with an electric hand- held Hilti-drill (or equivalent), requiring no compressed air or other power sources

 No equivalent solution to the AutoStem micro-range exists in the hydraulic breaker or explosive sector today

C O N C R E T E M I X E R –

A U T O S T E M M I C R O U S E D T O B R E A K S E T C O N C R E T E & M O R E …

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B E F O R E B LA S T IN G

2 2 2

A F T E R B LA S T IN G

 Europe (Including Germany and the Czech Republic amongst other countries), 2016 - present

 High explosive use causes unnecessary complications in terms of site-safety, accessories (detonator) inventory and site, storage and transport permitting

 Vibration risks to nearby infrastructure a cause of concern in built up areas

 Time in using AutoStem products far less than the conventional alternatives (avoided charging up, avoided tamping)

 Advantages of using AutoStem over conventional alternatives include:

— Site safety, elimination of detonators, AutoStem safety switch

— Speed of use

— Any-time blasting during day or night

S T R U C T U R A L D E M O L I T I O N –

A U T O S T E M U S E D F O R S A F E D E M O L I T I O N O F V A R I O U S B U I L D I N G S

Commercial Explosive

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B E F O R E B LA S T IN G

2 2 2

A F T E R B LA S T IN G

 USA and Europe, 2016 - present

 High explosive use presents vibration damage risk, noise pollution, safety risks and permitting challenges

 More and more, in-city regulators reluctant to permit explosive use in built up areas

 Per high explosives are permitted, time-of-day restrictions slow down site development adding substantially to development costs

 AutoStem products eliminate these limitations allowing for any-time blasting, elimination of noise, site safety and administrative ease

 Advantages of using AutoStem over conventional alternatives include:

— Site safety, elimination of detonators, administrative ease

— Speed of use

— Any-time blasting during day or night

E M B E D D E D R O C K ( M A S S I V E ) B L A S T I N G –

A U T O S T E M F O R M A S S E X C A V A T I O N

Commercial Explosive

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 USA and Europe, 2016 - present

 High explosive use presents vibration damage risk, noise pollution, safety risks and permitting challenges

 More and more, in-city regulators reluctant to permit explosive use in built up areas

 Per high explosives are permitted, time-of-day restrictions slow down site development adding substantially to development costs

 AutoStem products eliminate these limitations allowing for any-time blasting, elimination of noise, site safety and administrative ease

 Advantages of using AutoStem over conventional alternatives include:

— Site safety, elimination of detonators, administrative ease

— Speed of use

— Any-time blasting during day or night

S I D E - B Y - S I D E T U N N E L I N G –

A U T O S T E M R E V O L U T I O N I Z E S T U N N E L I N G B L A S T I N G

In the above comparison, 10kg of conventional packaged explosive product was compared to 4.6kg of AutoStem product

The conventional packaged explosive achieved an advance of only 1.2m with significant vibration at 10m and 22m. Re-entry was permitted after 2 hours to allow for ventilation of dust

In the AutoStem blast, no sequential firing was required for an advance of 1.4m. Vibration was 66% less in comparison and no ventilation was required with an immediate re-entry.

BEFORE BLASTING

1 2

DURING BLASTING

1 2

MOMENTS AFTER BLASTING

1 2

Commercial Explosive

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B E F O R E B LA S T IN G

2 2 2

A F T E R B LA S T IN G

 High profile applications include:

— Harbour expansion in port of nice, France

— Salvage of the Costa Concordia, Italy

— Lowering of river bed in hydroelectric power station installation, Sri Lanka

U N D E R W A T E R B L A S T I N G –

E N V I R O N M E N T A L L Y F R I E N D L Y & S A F E S O L U T I O N

 High explosive use invariably causes harm and risk to sea/ocean/river life, which is entirely avoided by use of AutoStem products

 AutoStem products are effortless to use in comparison to conventional explosives particularly in difficult underwater applications

 Advantages of using AutoStem over conventional alternatives include:

— No environmental concern arising from risk to sea life (due to avoided shockwave

— Ease of use as well as general user safety

— No requirement to evacuate ships, barges and other infrastructure due to avoided shockwave

Commercial Explosive

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A U T O S T E M P R O D U C T S

A G L O B A L M A R K E T

 Global use of AutoStem continues to expand with a brand presence on every continent

 The application range of AutoStem products continues to expand as blasters integrate AutoStem products into applications previously blasted with conventional explosives

 AutoStem competes directly with the hydraulic breaker market. For example, inclusion of AutoStem in the Spokane (Washington) tender of 2018, reduced the cost of a conventional hydraulic breaker solution by 53%

 The global explosive market is estimated at US$22 billion per annum with packaged explosives constituting 40% of that market. Mining accounts for 75% of these economics

Commercial Explosive

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D I S C L A I M E R

All information contained in this documented is intended only for the recipient of

this document and shall not be reprinted or reformulated in anyway without the

express written consent of Non detonating Solutions (Pty) Ltd and PT PINDAD

(PERSERO)

All rights are reserved.

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