Correction : Portfolio Update

The "Ten Largest Investments" have been amended to reflect the fact that Inmet Mining is now part of First Quantum Minerals and the inclusion of Fresnillo, to maintain the list of top ten holdings. BLACKROCK WORLD MINING TRUST plc All information is at 30 June 2013 and unaudited. Performance at month end with net income reinvested One Three One Three Five Month Months Year Years Years Net asset value (undiluted) -13.4% -22.0% -24.6% -19.9% -39.2% Net asset value (diluted) -13.4% -22.0% -24.6% -19.8% -38.2% Share price -13.1% -18.5% -21.9% -17.1% -34.2% HSBC Global Mining Index* -13.8% -22.7% -21.9% -27.2% -34.2% *Total return Sources: BlackRock, HSBC Global Mining Index, DataStream At month end Net asset value Including Income Capital Only Undiluted/diluted: 477.34p* 464.29p *Includes net revenue of 13.05p Share price: 426.80p Discount to NAV**: 10.6% Total assets: £966.26m Net yield***: 4.9% Gearing: 10.6% Ordinary shares in issue: 177,287,242 Ordinary shares held in Treasury: 15,724,600 ** Discount to NAV including Income. *** Based on final dividend of 14.00p and an interim dividend of 7.00p per share in respect of the year ended 31 December 2012. Sector % Total Country Analysis % Total Assets Assets Diversified 38.7 Global 43.9 Base Metals 23.3 Other Africa 22.4 Industrial Minerals 18.0 Latin America 15.3 Gold 7.7 Australasia 4.8 Silver & Diamonds 7.3 South Africa 4.1 Platinum 1.3 Democratic Republic of Congo 3.2 Energy Minerals 0.4 Canada 0.9 Current assets 3.3 USA 0.9 ----- Emerging Europe 0.7 100.0 Indonesia 0.3 ===== Mongolia 0.2 Current assets 3.3 ----- 100.0 ===== Ten Largest Investments % Total Assets Company Rio Tinto 11.1 BHP Billiton 10.4 Glencore Xstrata 9.7 First Quantum Minerals 8.0 London Mining Marampa Contract 7.5 Freeport McMoRan 5.6 Antofagasta 2.9 Iluka Resources 2.8 Industrias Penoles 2.7 Fresnillo 2.6 Commenting on the markets, Evy Hambro, representing the Investment Manager noted: Performance Ben Bernanke took the wind out of the equity market's sails when he outlined a schedule for the reduction and subsequent withdrawal of monetary stimulus by the Federal Reserve. Gold was a notable victim of the news, falling by 12.7% over the course of the month. Holdings in the largest, most liquid gold ETF (GLD) are now back at pre-QE, September 2008 levels and speculative net length in the gold futures market reached its lowest level in more than a decade. It is important to highlight that any 'tapering' of stimulus by the Federal Reserve will be contingent on strong, improving economic data and withdrawal of stimulus is not anticipated until unemployment in the US reaches 7% (it currently stands at 7.6%). Nonetheless, equity markets weakened and a spike in interbank lending rates in China did nothing to aid the mining sector's cause. The rise in SHIBOR and the absence of swift intervention by the People's Bank of China ("PBOC") raised the spectre of a credit event in the commodity hungry country. Financing conditions were subsequently eased, but the PBOC has made clear its intention of improving the quality of lending. It was a weak month for most mining commodities. Among the base metals, copper declined by 7.6%, aluminium by 7.9% and tin by 5.9%. Iron ore bucked the trend and finished the month up 4% at $117/t (source: CLSA, 63.5% Fe). Inventories of iron ore held at Chinese steel mills and ports are comparatively low, suggesting the destocking seen over recent months could have reached an end. Iron ore equities are, however, pricing in further weakness on the expectation of seasonal demand softness and the possibility of new supply growth filtering into the market over the course of the rest of the year. With commodity prices eating into cost curves in many cases and investors calling for capital discipline from the mining industry, cost-cutting is high on management teams' agendas. Most mining companies are starting with 'easy wins' - taking out headcount, exploration spending and sustaining capex. BHP Billiton has cut headcount at their BMA coking coal operations by 35% since July 2012, for example, and Rio Tinto plans to reduce personnel at its London headquarters by more than half. While these costs can be removed quickly and will have an immediate impact on all-in profitability, companies should also think longer term in our view and re-evaluate mine plans in order to optimise profitability. Currency plays an important role in mining company margins - revenues are typically received in US dollars but costs are largely paid in local currencies. The weakening of certain commodity producer currencies against the US dollar year to date has provided some relief against declining commodity prices: against the US dollar, the Australian dollar has fallen by 11.9% year to date (to 4th July), the South African rand by 15.6% and the Brazilian real by 9.6%. Strategy/Outlook The mining sector and other cyclical areas have struggled over the last two years as the market has downgraded global growth expectations. In the medium term, commodity prices are likely to remain range-bound as supply and demand have come closer into balance. We expect greater tightness to return for certain commodities, but for now mining companies need to be focused on capital discipline, operational efficiency and growing margins through cost control. In such an environment, well-managed mining businesses should be able to generate free cash flow, be in a strong position to return cash to shareholders and should see their share prices rewarded as a result. In the Company, we are looking to identify the winners and the stock specific stories that have been neglected in the risk-off markets of the last two years. All data in USD terms unless otherwise stated. 23 July 2013 ENDS Latest information is available by typing www.brwmplc.co.uk on the internet, "BLRKINDEX" on Reuters, "BLRK" on Bloomberg or "8800" on Topic 3 (ICV terminal). Neither the contents of the Manager's website nor the contents of any website accessible from hyperlinks on the Manager's website (or any other website) is incorporated into, or forms part of, this announcement.
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