"With this step, we are creating a legal organisation and obtaining first-class advice to establish our rights on the global market as concerns making films, books and other products" about the ordeal, the workers told La Tercera newspaper.
The miners were the subject of a media bidding storm after their rescue in mid-October, following a record 69 days underground at Chile's remote San Jose mine in the Atacama desert.
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They toured Hollywood and Beverly Hills as CNN guests last month and their exploits could reportedly be made into a movie by Brad Pitt's production company.
Once the last miner signs the document formalising the agreement, the 33 miners will be equal partners in the corporation -- unnamed for now -- and will hold 80 per cent of the revenue generated from their ownership of the rights.
A parallel firm for investors to participate and represent the miners in negotiations will receive the remaining 20 per cent of revenue.
In their statement to La Tercera, the miners said their "pact of silence" remains unchanged since the rescue and that the agreement provides for the possibility that each miner could sell his individual rights to lectures, interviews or other products.
