PRAIRIE MINING LIMITED - Scoping Study Indicates Debiensko Mine Restart Will Deliver Lowest Cost Hard Coking Coal into Europe

POLISH FINANCIAL SUPERVISION AUTHORITY

UNI - EN REPORT No 8 / 2017

Date of issue: 2017-03-15

Short name of the issuer

PRAIRIE MINING LIMITED

Subject

Scoping Study Indicates Debiensko Mine Restart Will Deliver Lowest Cost Hard Coking Coal into Europe

Official market - legal basis

Unofficial market - legal basis

Contents of the report:

PRAIRIE MINING LIMITED NEWS RELEASE | 15 March 2017 SCOPING STUDY INDICATES DEBIENSKO MINE RESTART WILL DELIVER LOWEST COST HARD COKING COAL INTO EUROPE SCOPING STUDY OUTCOMES: •Scoping Study illustrates potential technical viability and robust economics for the fully permitted Debiensko mine to be a large scale, lowest cost and long life premium hard coking coal supplier •Globally significant project with 2.6 Mtpa hard coking coal production from a JORC Resource of 301 Mt •Cash costs of approximately US$47 per tonne (steady state average) potentially positions Debiensko as by far amongst the lowest cost suppliers of hard coking coal into Prairie’s key European markets •High potential cash margins result in forecast EBITDA (average steady state) of US$282 million by adoption of international best practice in mine design •Key Scoping Study results for Debiensko are summarised as follows: o Hard Coking Coal Production (Steady State Ave) up to 2.6 Mtpa o Total Operating Costs FOR Mine Gate (Steady State Ave) estimated US$47 per tonne o Annual EBITDA (Steady State Ave) up to US$282 million o Life of Mine Cumulative Free Cash Flow estimated US$5.4 billion o Initial Mine Life from First Production up to 26 years o Life of Mine Saleable Hard Coking Coal Production up to 65 Mt • Highly favourable market fundamentals as Europe continues to consume 47 Mt of hard coking coal annually, 85% of which is imported; Debiensko coking coal is expected to enjoy strong demand from steelmakers, with substantial netback pricing advantages given proximity to regional customers •Access to well established and already connected regional rail infrastructure with underutilised bulk cargo capacity for low transportation costs within Poland to regional Central European and wider European customers •Leveraging off existing infrastructure at the Debiensko mine site potentially results in exceptionally low capital intensity of US$197 per tonne of annual saleable production capacity compared to an industry average of over US$401 per tonne for global hard coking coal mines developed in the last decade •Significant positive social and economic benefits for regional development, jobs creation and re-industrialisation through re-development of a previously operating mine •Prairie’s Polish and international management team with experience in developing, operating and financing world-scale coal projects, will now proceed with formal feasibility and other technical studies Prairie’s Chief Executive Officer, Mr Ben Stoikovich, said: “The Scoping Study results confirm Debiensko’s potential as a Tier 1 premium hard coking coal asset by virtue of the significant potential production scale and resource size, exceptionally low estimated cash costs and low capital intensity of the mine. The Study focused on the near-term development of highly profitable coal seams at low capital and operating costs. The mine has the potential to deliver 2.6 million tonnes per annum of premium quality hard coking coal at US$47 per tonne placing it right near the bottom of the global cost curve. Blessed with the presence of existing rail, road, power, water and other mine infrastructure the project has one of the potential lowest capital intensities for a new hard coking coal mine and is fully permitted for development. Preliminary analysis confirms that Debiensko hosts premium hard coking coals of comparable quality to internationally traded benchmark hard coking coals and the potential to obtain significant pricing premiums against imported seaborne coals owing to transport advantages (netbacks) of some US$15 per tonne. Our initial marketing studies indicate that Debiensko hard coking coal will likely be in strong demand in the Central European region, given the highly favourable regional supply / demand dynamics. It is time to re-affirm Poland’s status as Europe’s premier exporter of hard coking coal, which is so vital for European industry. By introducing international best practise into the Debiensko project, Prairie’s highly experienced management team is well positioned to restart this Tier 1 asset, which will have huge social and economic benefits for regional development.” For further information, contact: Ben Stoikovich Artur Kluczny Sapan Ghai Chief Executive Officer Group Executive – Poland Corporate Development [phone] [phone] [phone] [email protected] The Scoping Study is a preliminary technical and economic study of the potential viability of Debiensko. In accordance with the ASX listing rules, the Company advises that the Scoping Study referred to in this announcement is based on lower-level technical and preliminary economic assessments, and is insufficient to support estimation of Ore Reserves or to provide assurance of an economic development case at this stage, or to provide certainty that the conclusions of the Scoping Study will be realised. To view a full version of this announcement, please refer to the Company's website at www.pdz.com.au..

Annexes

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SIGNATURE OF PERSONS REPRESENTING THE COMPANY

Date Name Position / Function Signature

2017-03-15 Dylan Browne Company Secretary