Sample pages from the Rambler investor presentation

1. RAB TSXV
RMM AIM
HIGH-GRADE
COPPER-GOLD
PRODUCER CANADA
MAY 2018

2. Why Own Rambler?
2*C1=Net direct cash costs per pound of saleable copper net of by-product credits
LOCATION HIGH GRADE COPPER MINE RETURN TO CASHFLOW +
EXPLORATION FURTHER OPTIMIZATION PHASE III EXPANSION
Newfoundland,
Canada
Producing Copper Mine with
Attractive Economics
at 1,250 tpd
Phase II Expansion
Completed @1,250 tpd
Continue Deep Drilling To
Extend Resource 2017 Results
102.0 meters of 1.65% Cu
To Continue to Drive C1*
Costs Below $2.00
Continue Engineering Studies
for Phase III Expansion to
2,000 tpd

3. Copper-Gold Production
3
• Underground copper-gold
mine
• Land package 1,640 Hectares
• 195 employees
• 2018 sustain 1250 tpd
expanded throughput Nugget Pond Mill
100% Ownership in Producing Copper-Gold Mine

4. Block 1
Block 2
Block 3
Block 4
Block 5
Block 6
Historical Shaft
Lower Footwall Zone
1800 lv
Ramp
Ming Copper-Gold Mine
44
Mineral Reserve
Classification
T
(‘000)
Cu
(%)
Au
(g/t)
Cu
M lbs
Au
K Oz
Proven*
3,452 1.87 0.44 143 49
Probable*
4,968 1.81 0.44 198 71
Total Reserve
(diluted, recovered)
8,715 1.71 0.41 329 114
Updated 43-101 Fully Replacing
Reserves after 2 Years of Mining
Note: Proven and Probable (undiluted and unrecovered). See Appendix for further detail
*See Appendix for Detailed 43-101 Table
Development
Longhole Drilling
Drilled Stope
Blasted Ore
Post Pillar Cut
and Fill Mining
Transverse
Long-hole
Mining
Modified Sub-
level Longhole
Mining

5. Financial KPIs @ 1,250 MTPD
5
* Data source NI43-101 April 2018 Technical Report with base case KPI’s represented
at long-term Cu of $2.99/lb
0
5,000
10,000
15,000
20,000
25,000
2.50 2.75 2.99 3.25 3.50
$000'sperannum
USD $Cu/lb
AVERAGE FINANCIAL KPI'S AT 1250TPD
EBITDA Net Operating Cash Free Cash
Attractive Financial Profile at Varying Copper Prices

6. Economics Update March 2018*
6
Attractive Economic Profile over 20 Year Life of Mine
*43-101 Technical Report highlights released on March 5th following by filing of Technical
Report on April 25, 2018
Attractive Financial Profile at Varying Copper Prices
(US$)
Average copper price $2.99 / lb
Average gold price $1,301 / oz
Production – Total at 1,250 tpd
Copper - pounds 312 million
Gold – ounces 57,000
Mine life 20 Years
Revenue $1.0 B
Cash Flow from operations $277 M
Total Capital Cost (LOM) $120 M
Net Cash Flow After Tax $157 M
NPV Before Tax (7% discount Rate) $100M

7. Potential New Mill Location
7
MING MINE
CURRENT MILL
LOCATION
POTENTIAL
NEW MILL
LOCATION
• Planning detailed study to
look at the cost analysis
upgrading Nugget Pond mill
to 2,000 tpd vs building new
mill at the Ming Mine
• Current mill is 44 Km
from mine
• Significant cost savings from
reduction in trucking costs
• Current mill could be used
for Little Deer Deposit (140
Km from Nugget Pond mill);
Indicated and Inferred
Resource of 7M tonnes ,
~2% copper