Feb 12 (Reuters) - Poseidon Nickel Ltd
* Market update
* Says co in negotiations which could lead to an ore tolling and concentrate
purchase agreement
* If finalised the agreement would allow Poseidon to deliver 350,000 - 700,000
tonnes of ore per annum for an initial period of up to 2 years
* Securities of co to remain in voluntary suspension
* Source text for Eikon
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