Robust Resources Limited : Drilling Intersects Near-Surface Gold at New Purple Heart Prospect

ASX: ROL 9 April 2013

• Gold & Silver intersected in first two Purple Heart drill holes from surface

• Mineralisation extends to 60m down-hole

• Confirms that Purple Heart is a gold-rich system

• 100% hit rate maintained in Purple Heart - Batu Perak drilling

• Spread of positive holes indicates a large mineralised system

• Oxide and transition ore likely amenable to heap leaching

• Robust well funded through to definitive feasibility

Robust Resources Limited ('Robust' or 'the Company') is pleased to announce assay results from an initial two diamond drill holes at the Purple Heart prospect on Romang Island. The Company is pleased to confirm that both holes intersected significant gold and silver mineralisation from surface, and this gives the technical team added confidence that Purple Heart represents a major target.

The simplified geology and analytical results of the first two holes are shown in the cross section in Figure 1. The intersections from the first two holes are detailed in Table 1 and summarised below:

LWD 307: 28m @ 1.25 g/t Au Eq1 (0.91 g/t Au, 16 g/t Ag) from surface, including

14m @ 1.94 g/t Au Eq (1.41 g/t Au, 25 g/t Ag) from surface

LWD 308: 60m @ 0.83 g/t Au Eq (0.58 g/t Au, 12 g/t Ag) from surface, including

14.1m @ 1.65 g/t Au Eq (1.00 g/t Au, 31 g/t Ag) from surface

This drilling confirms the expectation that the Purple Heart target is a relatively gold-rich system, i.e. the ratio of silver to gold at Purple Heart is 19-to-1 compared with 46-to-1 for the overall Lakuwahi JORC resource.

Test work has so far shown that gold at Lakuwahi is favourable for rapid leach kinetics and therefore a gold- rich ore is ideal for heap leach processing.

The Purple Heart - Batu Perak mineralised system is proving to be a large one. Figure 2 is a composite E-W section, which shows the scale of the system and some important elements of the geology. Drilling to date has been very positive, with 100% success rate, and a considerable zone of mineralisation has been outlined.
Drilling of this system is ongoing, utilising two of the Company's owner-operated diamond drill rigs. A total of 7 rigs are active or scheduled on Romang Island targets including manganese and high-grade gold.
Robust's Managing Director Mr Gary Lewis comments "Our geologists are very encouraged about the Purple Heart- Batu Perak mineralised system, so much so that we are confident that it represents a new, large, exploration target which will add significantly to the resource base on Romang Island.
"Every hole we have drilled thus far has come back with positive assay results. Preliminary assessment of the results and styles of mineralisation encountered indicates that Batu Perak could be the largest mineralised system within the Lakuwahi Caldera.
"Of particular note is not just the potential size of the mineralised system but the fact that the test work undertaken demonstrates that the gold-rich ore at Lakuwahi is favourable for heap leaching, which is considered the most likely processing route for the Lakuwahi Oxide Project".
"Robust is in a strong position with over $23 million in cash which is funding our aggressive exploration and development activities. This gives us the financial flexibility to fund the Company into the project development phase. We look forward to updating shareholders on our progress."

Figure 1: Purple Heart Cross Section showing near-surface gold and silver mineralisation and basic geology

Figure 2: East-west composite section showing all Purple Heart and Batu Perak drilling do date. So far all holes drilled into this anomaly have intersected significant mineralisation. Note that the distance between Purple Heart holes (LWD307, 308, 310) and Batu Perak flats drillholes (LWD 190, 221, 239, 246) appears greatly foreshortened on this section

Figure 3: Map of Lakuwahi Targets. Features A: Magnetite Destruction Zone which defines the large 6Km x 4Km alteration system, B: Purple Heart Anomaly - current drilling, C: Batu Perak anomaly and basin. All drill holes have intersected significant precious metals and polymetallic base metals - large discovery potential, D & E: Batu Mas and Batu Hitam JORC Resource drilling, F: Batu Hitam East Basin VMS target - untested by drilling

Robust Resources is a precious and base metals explorer and developer with projects in Indonesia, the Philippines and Australia. The flagship asset is a 77.5% managing interest in the Romang Island projects, in Indonesia, which incorporate an interim Indicated and Inferred JORC mineral resource estimate of 592 thousand ounces of gold, 27.7 million ounces of silver, 95 million pounds of copper, 697 million pounds of lead and 678 million pounds of zinc (resource table; see website: www.robustresources.com.au). Drilling has also identified the presence of near-surface high-grade manganese deposits. Robust's dual focus is to become a significant low cost precious and base metal producer on Romang Island as well as continuing its positive record of new discoveries from its portfolio of exploration properties. Robust trades on the Australian Securities Exchange (ASX) under the symbol ROL and on the Frankfurt Exchange under the symbol RO7.

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Competent Persons Statements

The information in this announcement that relates to Exploration Results is based on data compiled by John Levings BSc, who is a Fellow of The Australasian Institute of Mining and Metallurgy and who has more than ten years experience in the field of activity being reported on. Mr Levings is a director of the Company. Mr Levings has sufficient experience, which is relevant to the style of mineralisation and type of deposit under consideration and to the activity, which he is undertaking to qualify as a Competent Person as defined in the 2004 Edition of 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'. Mr Levings consents to the inclusion in the announcement of the matters based on his information in the form and context in which it appears.

1. Gold Equivalent = gold assay + (silver assay / 47) where the number 47 represents the ratio where 47 g/t Ag = 1g/t Au. This ratio was calculated from the average of the 12 months of Financial Year 2011 from July 2010 to June 2011 taken from published World Bank Commodity Price Data (http://econ.worldbank.org). The metal prices thus used in the calculation are the average Gold price of USD $1371.36 per ounce and average Silver price of USD $28.96 per ounce.

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