EXPLORATION CORE DRILLING TOOLS Premium In-The-Hole and Diamond Tools

HAVE YOU HEARD OF THE TOTAL SOLUTION?  Excore EX II head assemblies proven to be an industry leader in both surface and underground applications.  Improved overshot assembly designed to increase on-site safety.  Our designed rods; MO and CMO.  DivcovOre overshot and head assembly exclusive release March  Complete line of high performance diamond drill bits designed to tackle any drilling conditions. High performance diamond tools and the In-the-Hole tools are all part of the Total Solution

EXCORE UNDERGROUND HEAD ASSEMBLY  High efficiency pump-in lip seals are positioned on the head assembly to maximize a secure latching in any angle. Safety and productivity Improved performance  Patented latching mechanism along with landing indicator allows users to know the latch has securely landed in the locking coupling.  Components designed for easy maintenance, repair and change of parts.  Many interchangeable parts make it simple to switch to Excore Head assembly.  Minimal contact and friction between the Head assembly and the drill rods along with maximized flow and circulation.  The dual, high efficiency pump-in lip seals will maximize the speed of the inner tube.

EXCORE SURFACE HEAD ASSEMBLY High productivity, Increased service life & Low maintenance  Patented latching mechanism along with landing indicator allows users to know the latch has securely landed in the locking coupling.  Components designed for easy maintenance, repair and change of parts.  Durable components are made to last in all drilling environments.  Fast descent and inner tube retrieval –Minimal contact and friction between the head assembly and the drill rods along with maximized flow and circulation = increased production.

EXCORE EX II SAFETY OVERSHOT  Patented mechanism is engaged automatically without manual intervention.  No need to stop and manually lock the overshot.  Sleek profile was made for speed travelling up or down the rod string.  Quick and easy release - productivity remains at an optimum level. High productivity, Increased service life & Low maintenance  Further protection comes from lifting dog’s protective sleeves that prevent accidental release.  Our lifting dog's unique shape, fit the head assembly spearhead in such a way that maximizes surface contact and allows a more secure hold.

DISCOVORE ITH EXCLUSIVE RELEASE - The innovative DiscovOre latch design eliminates many of the problems of current head assemblies, while providing added benefits. Exclusive Release!

DISCOVER ITH EXCLUSIVE RELEASE  The new head assembly has features that will provide the driller with a new experience : 1.No spear head and spring pins, a common failure of other head assemblies. 2.Leveraged latches for less jammed inner tubes. 3.Unique latch design is robust and easy to replace. 4. Reduced length for underground is 10” (254mm) shorter. 5. Quick conversion from underground to surface. 6. Robust spindle will not bend during rough handling. 7.The underground loading tool is easier and more comfortable to use % latch engagement. The drive key eliminates the need for the tang on the locking coupling which will also reduce wear on the latches. What is New about the Head Assembly Exclusive Release!

DISCOVER ITH EXCLUSIVE RELEASE  The new overshot has features that will provide the driller with a new experience: 1.The patented lock design is always on so the drillers cannot forget to engage it. 2.The one handed operation for release does not require tools for release. 3.The pointed profile and deep body grooves will cut through the water for faster descent. 4.Short, lightweight underground overshot. 5. Designed to be centralized in the drill string for smoother, faster pump in speeds. What is New about the overshot? Exclusive Release!

DISCOVER ITH EXCLUSIVE RELEASE  The DiscovOre overshot and head assembly has been developed with our customer partners. It has been tested during development but we need to conduct long term testing in different regions to ensure we have the best product possible at release.  We are looking for customers who are willing to work with us through this last phase to secure the test results required to go into full production.  Atlas Copco would like to meet the following criteria before release: 1000m winter condition 1000m desert condition 1000m heavy mud 3000m underground 1000m water loss hole 1000m broken ground 1000m recirculated fluid What is pre-production Selling? Exclusive Release!

DISCOVER ITH EXCLUSIVE RELEASE  The selected customer should meet the following criteria: –Willing to work with Atlas Copco in final testing/development of the DiscovOre products. –Be in good communication with (CC) Customer Center. –Provide feedback on test products. –Fill out product test checklist on a regular basis. –Understand that this is not a final product. –Work with onsite visit of test technician for training and product evaluation. How does a customer qualify for exclusivity? Exclusive Release!

DISCOVER ITH EXCLUSIVE RELEASE  Customers will receive the following: –Reduced price for DiscovOre head and overshot. –Free upgrade when product is released. –Free spare parts during test period. –Free reaming shell and Azure bit (one time only). –Higher trade in value for existing stock when purchasing DiscovOre after release. What is the benefit to the customer? Exclusive Release!

CORE DRILLING TOOLS 14 Matrices for optimal performance

IMPREGNATED CORING BITS Matrix selection chart

IMPREGNATED CORING BITS Basic profiles

IMPREGNATED CORING BITS Special profiles

IMPREGNATED CORING BITS Bit crown height

REAMING SHELLS Excore reaming shells are manufactured to withstand difficult drilling conditions and provide long life. Surface set reaming shells in all common DCDMA sizes are a stock item. Impregnated reaming shells and reaming shells in full hole profile are also available. Reaming shells are available in industry standard lengths of 15 cm (6”), 25 cm (10”) and 46 cm (18 3/8”). Full hole vs Standard

REAMING SHELLS 1, 2, & 3 Ring reaming shells Reaming shells that are longer than a single diamond ring reaming shell are used when there is a requirement for additional core barrel stabilization to reduce bore hole deviation.

DIAMOND TOOLS FOR CASING TUBE INSTATALLATION Tools used for borehole protection against collapsing

RECOMMENDED DRILLING PARAMETERS Guidance for drilling in hard & competent formations. Parameters for broken or unconsolidated formations will differ.

COMMITTED TO SUSTAINABLE PRODUCTIVITY.