As a long term buy and hold, Aminex (LON:AEX) has been a major disappointment for me , and it is time to consider whether I continue to hold on the basis that 2011 will be AEX’s year of triumph, sell out on the basis of too much dilution, lack of confidence in management, and the binary nature of some of its exploration, or somewhere in between. The love affair is over, it's time for a cold clinical appraisal.

USA Assets

The Shoats assets were valued, pre dilution, at circa 4mmboe and the USA assets collectively at an independent valuation of circa 11p per share. Management clearly indicated unverified but best guess reserves estimate of 18mmboe at Shoats (I was in the front row in February 2010 when Brian reiterated this guidance), which even discounted by 50% translated to 20p per share. Gas prices have fallen since then and show no signs of recovering for reasons we are all familiar with, but oil has for some time been trading above the $70 assumption of the original valuation. It was on this basis that we hoped for a sale of USA assets, or reserves based lending facility, to avoid dilution and provide the platform for further Tanzanian exploration.

So what has happened? Whispers are of management regretting the 18mmboe quoted, and having difficulty agreeing a fresh reserves/valuation report. The two wells drilled so far have not flowed as we had perhaps hoped, with one requiring fraccing, leaving us wondering how this changes oil in place expectations, and recovery/flow/cost factors. Importantly these are needed to feed into a DCF model to establish core value. Management have steadfastly refused to make any comment on when the much talked about reserves update and valuation report will be finalised and made available.

I think that most of us now have accepted that the report when it comes will be disappointing, and potentially worse, and have already factored this in to our new thinking and appraisal of the company. The only excuse for management not now coming clean is that to do so might be misleading (but as time goes on this reason wears thin), or that there is an underlying corporate transaction that prevents any discussion (we thought that might be the case with ref to the 140k acres – where did they go to? – but if there…

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