There is already a growth fund in the contract (as seen below), however the exact amount isnt specified.
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Dividend payment
The global ActiveMining's income, including mining income, hardware sales via bitcoins, other cryptocoins and fiat transferred to bitcoins, will be paid to ActiveMining shareholders proportionally, when all manufacturing, maintenance, labor costs, R&D, growth and miscellaneous expenses are deducted. The first BTC0.0025/share dividends will only be paid to the first 10,000,000 ActiveMining shares, providing public investors a priority in getting back 100% return of their investment.