Drilling Update

Serabi Mining plc 09 September 2005 SERABI MINING PLC DRILLING UPDATE Results point to continuing improvements to the Palito mine resource and ------------------------------------------------------------------------ important areas of new mineralisation ------------------------------------- At the time of the Serabi's public market listing on the London AIM, the resource assessment by independent consultants Snowden reflected drill results to the end of 2004. These consisted of 74 drill holes, from which a preliminary global resource was calculated of 1,176,000t grading 11.0g/t gold and 0.60% copper estimate (approx. 460,000oz gold equivalent) on the Palito Main Zone (PMZ). The resource could only be established where there was sufficient drill density at that time, which resulted in an area defined by approximately 900m strike and 90m depth; Snowden indicated in their report that the PMZ orebody remained open at depth and along strike. Subsequent drilling to improve knowledge of the potential resources is well ahead of the scheduled 12,000m originally reported in the listing prospectus for the entire year 2005. Using the company's own drill rigs, an additional 66 boreholes or 10,697m have been completed over the first seven months of the year. Given the open nature of mineralisation indicated by the previous assessment, the main targets for this drilling have been: (i) to increase the size, quality and knowledge of the resource with infill drilling; (ii) to expand the strike and depth extension of the resource beyond the currently established boundaries; (iii) to test ground nearby to the PMZ for potential parallel lodes, and (iv) sterilisation drilling for planning the construction of new capital projects Table 1: Drilling progress summary at the Palito operation To December 31, 2004 Area Drillholes Metres Palito Main Zone Resource (1) 74 9,892 Chico do Santo 7 993 Palito West 5 560 Other 8 1,679 ------------------- ------------- ------------- SUB TOTAL 94 13,124 ------------------- ------------- ------------- From January to August 2005 Area Drillholes Metres Palito Main Zone - Infill 27 4,239 PMZ - Strike Extensions 12 1,896 PMZ - Depth Extensions 19 3,028 Compressor Lode 4 982 Sterilisation 4 552 ------------------- ------------- ------------- SUB TOTAL 66 10,697 ------------------- ------------- ------------- GRAND TOTAL 160 23,821 (1) Used for CPR resource calculation & includes earlier non Serabi drilling Average dip is between 45 degrees and 50 degrees The accompanying Table 2 summarizes the results for the drilling that has taken place since the previous review by Snowden. These results continue the trends of earlier drilling, including the intersection of very high-grade values, which it is anticipated will provide a good basis to improve the resource base. The drilling has also identified new mineralisation immediately adjacent to the PMZ, christened the Compressor Lode, which could provide good additional potential for ore that can be accessed from the infrastructure currently under development on the PMZ. As part of the continuing assessment of the Palito resources, these and future drill results will continue to be reviewed by independent consultants Hellman & Schofield and Snowden, for incorporation into ongoing mine planning and resource evaluation. Palito Main Zone - Infill Drilling (established resource area) -------------------------------------------------------------- Drilling within the resource area established by the most recent resource assessment by Snowden up to December 2004 (approx. 900m strike x 90m depth) has continued to provide good results, which will be incorporated into the next resource update. Noteworthy amongst these are: Drill hole Intersection SER 090 3.84m at 36.8g/t SER 092 1.05m at 34.8g/t SER 096 1.11m at 56.7g/t PDD 100 0.78m at 57.3g/t PDD 112 0.94m at 27.5g/t PDD 117 5.62m at 26.5g/t PDD 127 1.08m at 59.5g/t PDD 149 1.0m at 46.9g/t & 1.27m at 27.5g/t Some of these results came from below the 155mRL elevation (approx. 45m below ground level at Shaft 1), which previously formed the lowest level for the majority of the Snowden's resource calculation. In addition, there are numerous further intersections that exceed the break even cut-off grade of 5.0g/t gold (6.00g/t gold equivalent) used by Snowden in their Competent Person's Report (CPR). Following the arrival of new underground drill rigs that are on order, it is expected the rate of infill and general mining control drilling will be significantly improved later this year. Palito Main Zone - Depth Extension ---------------------------------- A number of exceptional drill results have been obtained from drilling focussed mainly on potential mineralisation below the existing resource area, although good results were also obtained higher up in some of these holes too (see Other Drilling). Included in these results are: Drill hole Intersection PDD 089 0.88m at 66.0g/t SER 093 1.87m at 34.6g/t & 1.0m at 70.0g/t PDD 095 2.0m at 57.6g/t PDD 107 1.51m at 29.4g/t & 0.75m at 29.7g/t PDD 113 0.88m at 43.0g/t & 0.92m at 76.5g/t PDD 123 2.67m at 22.7g/t PDD 126 2.10m at 73.3g/t PDD 131 1.28m at 36.5g/t PDD 135 1.59m at 41.6g/t & 1.0m at 79.5g/t While the main control of mineralisation is known to be along structures trending NW-SE, it was previously postulated that the same mineralised zones would also plunge steeply to deeper levels. These new holes and some of the deeper intersections from other holes are considered highly significant in establishing this trend at depth and, together with ongoing drilling of these targets, will form the basis for long-term planning of the deeper areas of the Palito mine. Resulting from this work the number of drill intersections below the 145mRL depth since the December resource calculation has now increased from 4 to 30. Palito Main Zone - Strike Extension ----------------------------------- As previously mentioned, the main control of mineralisation at Palito is a regional NW-SE trending fracture zone. The initial resource was established over a strike length of 900m but the PMZ veins and associated alteration system are known to extend to at least 1,600m. To evaluate this potential, step-out drilling has now commenced along strike of the established PMZ resource area. Results from this initial work are very encouraging and include: Drill hole Intersection PDD 099 0.66m at 32.7g/t PDD 103 0.88m at 20.3g/t & 1.81m at 11.9g/t PDD 106 1.00m at 42.9g/t These results and other intersections extend the strike length of mineralisation (at a cut-off of 5.0g/t Au and above) by 120m north-west and 100 metres to the south-east of the established resource area, whilst still remaining open in both directions. Other Drilling -------------- Other drilling has also established a potential area of new mineralisation nearby to the PMZ, and a series of sterilisation holes have been carried out prior to the start of important capital projects. A combination of intersections from some of the infill drilling and other specifically targeted boreholes, have identified an important new area of mineralisation to the southwest of the PMZ orebody, now referred to as the Compressor Lode, with the intersections indicating good continuity. Preliminary results from this programme include: Drill hole Intersection SER 091 0.70m at 33.7g/t SER 093 1.87m at 34.6g/t PDD 123 2.67m at 22.7g/t PDD 135 1.59m at 41.6g/t PDD 145 0.84m at 35.0g/t PDD 147 0.88m at 29.7g/t While more drilling needs to be undertaken to evaluate this area, these results point to a significant new area of mineralisation, within close proximity to the existing underground mine that could be potentially exploited from the underground infrastructure currently being developed. These drill results define a new high-grade zone over a strike length of 120m and a depth of 55m, with the mineralisation remaining open in both strike directions and at depth. The Chairman, Graham Roberts said, 'Drill results from the first half of the year continue to establish and expand the potential of the Palito mining operation. On the Palito Main Zone the results are slowly extending the strike of the known orebody, while additional mineralisation has now been intersected as deep as 200m. Furthermore, identification of the new Compressor Lode illustrates the potential across the wider area of the Palito operation. We are already assimilating this information into operational planning and expect to commence a review of the resource base at the end of the year. The pace of evaluation of all these areas and at other regional projects is expected to increase in the near future, as additional new surface and underground drill rigs already on order are delivered and deployed.' Enquiries: Serabi Mining plc ---------------------------- Graham Roberts, Chairman Tel: 020 7618 7752 Mobile: 07768 902 475 Clive Line, Finance Director Tel: 020 7618 7754 Mobile: 07710 151 692 Chris Sattler, Manager, Corporate Development Tel: 020 7618 7774 Mobile: 07717 748 275 E-mail: contact@serabimining.com APPENDIX Table 2: Drill results at the Palito operation post resource calculation - January to August 2005 From To Length Hole ID 1 (metres) (metres) (meters) 2 Grade g/t SER086 NSI SER087 20.77 21.63 0.86 4.03 155.11 155.61 0.50 2.12 SER088 NSI PDD089 150.47 151.35 0.88 66.00 SER090 30.62 31.50 0.88 5.61 49.11 52.11 3.00 9.59 54.11 57.95 3.84 36.75 59.78 60.23 0.45 2.09 SER091 19.27 19.97 0.70 33.70 118.40 119.38 0.98 3.83 128.47 129.17 0.70 2.03 SER092 39.64 40.60 0.96 2.06 55.06 56.11 1.05 34.80 73.38 74.40 1.02 2.91 SER093 61.88 63.16 1.28 7.71 71.33 73.20 1.87 34.57 129.43 130.43 1.00 70.00 150.70 151.97 1.27 2.71 PDD094 49.55 50.15 0.60 3.10 PDD095 46.28 49.26 2.98 3.62 62.58 63.58 1.00 2.77 68.43 69.43 1.00 4.08 99.03 101.03 2.00 57.60 152.98 153.48 0.50 11.95 PDD096 34.92 35.70 0.78 5.38 38.92 40.03 1.11 56.70 PDD097 45.51 46.57 1.06 4.84 109.88 110.67 0.79 2.01 113.58 114.71 1.13 2.48 140.78 141.78 1.00 2.27 PDD098 31.20 32.02 0.82 11.65 PDD099 114.83 115.74 0.91 2.78 131.72 132.38 0.66 32.70 170.48 171.34 0.86 7.37 PDD100 43.85 44.63 0.78 57.30 84.28 84.78 0.50 7.53 98.70 99.70 1.00 5.77 81.84 82.50 0.66 2.14 PDD101 81.84 82.50 0.66 2.14 121.52 121.98 0.46 24.90 PDD102 NSI PDD103 98.12 98.72 0.60 2.20 114.16 115.04 0.88 20.30 125.00 125.70 0.70 2.68 133.96 135.77 1.81 11.90 PDD104 69.50 70.50 1.00 2.76 PDD105 144.26 146.13 1.87 2.66 147.12 148.00 0.88 2.09 PDD106 65.72 66.72 1.00 42.90 124.13 127.00 2.87 2.79 126.09 127.00 0.91 6.30 PDD107 71.85 73.36 1.51 29.40 75.31 76.06 0.75 29.70 98.77 99.33 0.56 2.20 158.87 159.37 0.50 4.35 173.08 173.58 0.50 9.81 PDD108 76.20 76.72 0.52 5.42 89.20 90.20 1.00 2.25 106.78 107.94 1.16 5.39 PDD109 71.09 72.59 1.50 2.78 116.43 118.04 1.61 11.00 PDD110 101.20 102.37 1.17 2.37 110.33 110.97 0.64 5.75 PDD111 37.88 39.12 1.24 6.31 99.70 100.76 1.06 17.50 161.46 161.96 0.50 37.20 PDD112 55.05 55.99 0.94 27.50 PDD113 113.82 114.70 0.88 43.00 149.08 150.00 0.92 76.50 PDD114 NSI PDD115 22.58 24.86 2.28 2.33 139.23 140.23 1.00 5.00 162.84 163.84 1.00 2.00 PDD116 NSI PDD117 86.38 92.00 5.62 26.50 PDD118 87.33 88.54 1.21 6.34 94.96 95.64 0.68 2.40 141.32 141.78 0.46 2.30 PDD119 101.66 102.77 1.11 2.25 PDD120 NSI PDD121 53.65 54.30 0.65 28.50 98.00 99.05 1.05 2.85 100.71 101.63 0.92 2.75 114.95 115.45 0.50 16.10 PDD122 NSI PDD123 62.09 64.76 2.67 22.80 137.98 138.73 0.75 18.00 210.11 211.18 1.07 9.80 PDD124 113.00 113.59 0.59 7.40 PDD125 33.42 34.02 0.60 2.30 47.55 48.05 0.50 3.05 52.76 53.67 0.91 5.30 56.25 57.02 0.77 2.30 103.31 103.87 0.56 3.75 PDD126 89.08 91.69 2.61 6.12 93.87 95.97 2.10 73.30 PDD127 75.33 76.12 0.79 9.40 132.00 133.08 1.08 59.50 170.55 171.55 1.00 6.20 PDD128 29.93 30.76 0.83 2.95 98.76 99.26 0.50 31.00 112.04 113.33 1.29 2.75 PDD129 29.05 29.55 0.50 16.80 80.27 81.08 0.81 4.90 119.06 120.06 1.00 14.40 123.50 124.42 0.92 4.70 165.35 165.85 0.50 3.15 PDD130 107.05 108.05 1.00 2.50 110.50 111.00 0.50 11.80 126.75 128.15 1.40 2.55 PDD131 93.98 94.52 0.54 24.30 120.24 121.22 0.98 6.55 122.77 123.27 0.50 44.10 165.00 166.28 1.28 36.50 PDD132 105.10 105.78 0.68 2.00 PDD133 84.48 85.38 0.90 6.10 162.81 163.81 1.00 4.10 214.39 215.30 0.91 8.70 PDD134 42.62 43.12 0.50 7.80 69.64 70.57 0.93 3.25 PDD135 13.78 15.37 1.59 41.60 45.25 46.57 1.32 4.35 59.89 60.43 0.54 8.75 67.59 69.23 1.64 6.25 87.95 88.76 0.81 5.75 102.83 103.75 0.92 3.75 145.38 148.00 2.62 5.43 149.67 150.55 0.88 9.00 160.68 161.21 0.53 5.00 169.98 170.98 1.00 79.50 PDD136 13.86 14.72 0.86 2.15 PDD137 NSI PDD138 120.54 122.14 1.60 7.02 PDD139 NSI PDD140 NSI PDD141 NSI PDD142 67.53 68.51 0.98 3.25 PDD143 89.29 90.21 0.92 2.20 PDD144 NSI PDD145 153.34 154.18 0.84 35.00 PDD146 34.16 35.03 0.87 3.25 73.71 74.21 0.50 9.75 93.08 94.15 1.07 2.65 108.50 109.48 0.98 5.30 PDD147 46.10 46.98 0.88 29.70 119.79 120.39 0.60 6.75 PDD148 33.75 34.60 0.85 2.10 76.34 77.10 0.76 21.30 126.93 127.60 0.67 5.10 128.68 129.26 0.58 15.65 135.30 135.80 0.50 4.75 PDD149 97.12 98.12 1.00 46.90 127.66 128.46 0.80 10.80 133.32 134.59 1.27 27.50 136.30 136.82 0.52 2.55 PDD150 75.55 76.38 0.83 11.95 143.63 144.13 0.50 36.15 PDD151 191.20 191.93 0.73 2.30 204.44 204.94 0.50 4.55 229.05 230.44 1.39 4.38 (1) Average dip -45 degrees to -50 degrees (2) NSI = no signifcant intersection This information is provided by RNS The company news service from the London Stock Exchange

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