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Ironbark Zinc To Up The Ante At Citronen Zinc Project With Higher Zinc Prices

Ironbark Zinc (ASX:IBG) acquired the partially explored Citronen Project in early 2007 and completed an extensive exploration and development programme that included 166 drill holes for 32,240 metres.

Key Points

- Ironbark Zinc is the 100% owner of the world class Citronen zinc and base metal project that is located in Northern Greenland.

- The project area contains one of the world's largest undeveloped zinc resource and currently hosts a JORC compliant resource of 71 million tonnes at 5.7% of zinc, (Zn) and lead (Pb), containing 13 billion pounds of zinc and lead.

- Mineralisation remains open in all directions for exceptional exploration upside that could quadruple current resources.

- A positive Feasibility Study was completed in April 2013 that forecast: production rate of 3.3 million tonnes of feedstock; initial mine life of 14 years and CAPEX $484.9 million.

- Life of Mine OPEX is estimated at US$3.42 billion to produce total revenue of US$5.65 billion. The Internal Rate of Return is estimated at 32.0% (22.2% post tax), and Net Present Value is US$609 million (US$354 million post tax).

- Ongoing metallurgical testing is delivering breakthroughs that have recently boosted zinc recoveries above 90% and will bring down OPEX. Other technical studies are also underway that are aimed at lowering both CAPEX and OPEX.

- Ironbark Zinc recently won the Greenland Prospector and Developer of the Year Award at the PDAC Convention in Toronto for its work at Citronen.

- The massive project has attracted major investors that include GlencoreXstrata, which is the world's largest zinc miner and trader and Nyrstar which is the world's largest zinc and lead smelter group. China Nonferrous, which is ranked as one of the world's top engineering firms has executed a Memorandum of Understanding to build and majority fund the process plant.

- Ironbark Zinc is focussed on completion of EPC with China Nonferrous this year, construction by 2015, and commissioning of concentrate production by 2016.

- Ironbark Zinc is highly undervalued with an Enterprise Valuation of $0.0015 per pound of zinc resource, within a pricing environment that validates a pre-production EV of up to $0.049 per pound. This equates to an EV of $1.49 per share, once funding is in place.


The total number is now 313 drill holes for 67,069 metres. The resources at Citronen are contained within near surface and underground prospects known as Esram, Beach Zone, XX and Discovery Zone that are contained within mineral lease 2007/02, and are open ended along strike.



The JORC compliant mineralisation at Citronen is adjacent to a deep water fjord and is considered to be of a SEDEX style zinc deposit that commences from the surface, is shallow, flat lying and shows no sign of limitation in its scale. This includes a conceptual Exploration Target of 302Mt - 347Mt @ 4.4% - 5.0% zinc and lead, for a combined total potential of up to 36 billion pounds of metal at a 2% zinc cut-off.

Development of resources along strike has potential to rank Citronen as a very long life mine that is ranked in the "Super Giant" Category of global resource projects.

The project has attracted three major investor and strategic partners that have assisted with the funding of exploration, completion of a feasibility study, on-going technical studies, and with a funding and developmental pathway for the on-site process plant.

GlencoreXstrata is a long term cornerstone investor that holds 42.1 million shares in Ironbark Zinc. In October of 2011 Glencore agreed to provide an additional funding facility of US$50 million that converts at $0.42 per share for $30 million and $0.50 per share for the remaining $20 million. The undrawn facility has a provision that may allow Glencore to acquire off-take and marketing rights over part of the production from Citronen.

In 2009 Nyrstar invested $6.6 million to acquire 52.8 million shares of Ironbark Zinc at $0.125 per share, along with a life of mine off-take agreement for 35% of production from Citronen. In 2010 NYR invested an additional $15 million to acquire 42.8 million shares at $0.35.

Ironbark has an engineering and construction Memorandum of Understanding with China Nonferrous Metal Industry's Foreign Engineering and Construction Co. Ltd for a fixed price Engineering, Procurement and Construction contract. The MOU encompasses a 70% debt funding proposal through Chinese banks and provides China Nonferrous with a right to buy an additional 20% direct interest in the Citronen Project.

Ironbark is reviewing potential acquisition targets via the undrawn funding facility. The Company also owns a portfolio of three base and precious metals projects in New South Wales that include the Captains Flat Project with the historic Lake George Mine and adjoining Peakview project that includes mineralised targets along an 80 kilometre strike line. The Belara project includes 2 historic base and precious metals mines where a maiden resource was developed in 2007.

Peakview includes high grade targets at Fiery Creek and Macanally Prospects that have returned up to 235 g/t au and 14.9% cu from sampling along historic workings. Sampling and mapping have identified a 7 kilometre strike line that includes multiple parallel zones of mineralisation. Planning and permitting for a drilling programme are well advanced to test these structures.

Current Status

Ironbark recently completed a Feasibility Study that was primarily conducted by independent engineers. Highlights of the study include:

- Located in Greenland - a country with low sovereign risk and zinc mining history
- Located adjacent to deep, protected water on the doorstep of Europe and North America
- Simple, flat and continuous ore zones
- Open-pit fresh sulphide potential with very low strip ratios available to supplement higher grade underground mined mineralisation
- Simple, predominantly underground room and pillar mining operation planned
- Long mine life, with mineralisation open in almost every direction
- One of few world class deposits wholly owned by junior company


CAPEX is estimated at US$484.8 million (including First Fills). OPEX is estimated at US$0.68 per pound of zinc production, payable, net of by-product credits for the first 5 years of 14 year mine life.

During the first 5 years of production a concentrate will be produced that contains ~55% Zn and ~50% Pb. Annualised production of zinc is estimated at 185,677 tonnes / 408.5 million pounds, and lead at 48,045 tonnes / 105.7 million pounds.

The study estimates a Net Present Value of US$609 million (US$354 million post tax), and generates a high Internal Rate of Return of 32.0% (22.2% post tax) and an Equity Return of 37.9%.

The study utilised a long term zinc price of US$0.835 per pound, and lead price of US$0.95 per pound for the life of mine; and a zinc price of US$0.85 per pound and lead price of US$0.90 per pound for the first 5 years, and confirms that the mine would be profitable to-day.

Zinc market

Spot zinc is currently trading at US$0.89 per pound, and may be reacting to a recent 10% fall in LME warehouse stock levels.

Zinc is the fourth most globally used metal, with 50% of production utilised in the galvanising of metals in the construction, roofing and vehicle markets. China is the growth driver, and only uses one quarter of the zinc used by western brands to galvanise a unit of local steel. Chinese demand for zinc is expected to soar as Chinese producers target export markets and are required to meet western quality standards.

Chinese use of zinc has quintupled since 1999 and currently stands at 5.4 million tonnes per year. Wood Mackenzie forecasts that global demand for zinc will soar from a current annualised consumption rate of 11 million tonnes, and reach 20 million tonnes by 2025. Major drivers include growth within the Chinese car industry that has explosive potential for zinc consumption.

A number of large zinc mines are likely to close over the next four years, including Brunswick (just closed), Lisheen, Century and Skorpion, and in total are estimated to remove 1.7 million tonnes or 11% of annual global zinc supply. Average mine grade for zinc has also dropped sharply from 7.0% to a current 5.8% and provides additional pressure on metal pricing.

There are few large projects under development, and many of these are located in countries with high sovereign risk. This indicates that zinc prices are likely to rise as supply tightens, making the development timetable for new mines such as Citronen - "opportune."


- Continued improvement in zinc demand and price revival
- Portfolio development via undrawn US$50 million credit facility
- Development of MOU with China Nonferrous for process plant development and construction, and completion of all technical and economic studies followed by formal funding approval by end of 2013.
- Commencement of construction
- Commissioning in 2016.


Ironbark is currently trading at $0.055 for a market capitalisation of just $20.3 million. This puts a valuation on its mineral assets of $18.2 million after deducting the June Quarterly cash balance of $2.1 million. The Enterprise Valuation of Citronen is $17.2 million (after allowing $1 million for other assets), or $0.0015 per pound of JORC compliant zinc equivalent resource.

Glencore is a long term investor and has provided Ironbark Zinc with an undrawn US$50 million equity funding facility that converts at $0.42 and $0.50 per share, and assumes an Enterprise Valuation of $0.012 - $0.014 per pound of zinc equivalent. This long term valuation is supported by Nyrstar with major funding support in 2010 at $0.35 per share

The EV/Zinc Equivalent is well below the Glencore funded and developed Perkoa Project owned by Blackthorn Resource with an Enterprise Valuation of $0.0.049 per pound.

By comparison, Ironbark Zinc is evaluating the annualised production of 408,500,000 pounds of zinc and 105,700,000 pounds of lead for a mine life of 14 years. The current Enterprise Valuation at Citronen is only 3.06% of that accorded to zinc resources at Perkoa. Investors should note that the current market valuation:

- Significantly undervalues JORC resources at Citronen
- Discounts the upside potential of the exploration target of 302Mt to 347Mt @ 4.4 to 5.0% zinc, along strike at Citronen. Perkoa does not have similar exploration upside
- Discounts the strategic value of the shareholder relationships established with Glencore and Nyrstar
- Discounts the potential inherent in the MOU executed with China Nonferrous to majority fund the design and construction of the process plant at Citronen
- Discounts the strategic potential inherent in the $50 million undrawn credit line provided by Glencore
- Discounts the upside potential within the Australian exploration portfolio

Applying an Enterprise Valuation of $0.049 per pound to 11 billion pounds of JORC compliant zinc and lead resources at Citronen equates to a pre-production EV of US$539 million or $1.46 per share on un-diluted capital. This does not take into account exploration potential or make allowance for a rise in zinc prices.

The obvious catalyst here is completion, approval and funding of the EPC by China Nonferrous to build the mine and process plant.

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