Ann: Explains High Grade Exploration Results , page-23

re: Ann: TRF: Explains High Grade Exploration... Happy Cats many thanks for your prompt reply.

Could a possible explanation be that the a'ment of discovery of "high grade polymetallic" was due to abnormally high XRF readings, however rather than release grades which looked ridiculous they chose to talk about continuity rather than magnitude, ie. a positive explanation for lack of information. Although it is odd that the hole locations were not revealed.

Or am I showing my lack of understanding of the XRF process?

Thanks again for your explanation.

Concerned shareholder.

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"Orinoco has been using a hand-held XRF1 to aid its understanding of the component metals of the
existing drill core. While precious metals such as silver (and gold) are not reliably detected by the handheld
XRF currently being used by Orinoco, other components of the mineral assemblage such as
tungsten, copper and molybdenum are efficient indicators of mineralisation in drill holes and outcrop.

(1 Whilst Orinoco believes that these readings are indicative of grade, the use of a handheld XRF with samples that are not
homogenised and display high-grade mineralisation can be considered estimates only. Multiple readings were taken from
each interval of the drill core to evaluate the tenor but not the absolute value of the contained mineralisation.)
"