Yes if the quantum of the contract is confidential the...

Yes if the quantum of the contract is confidential the management should produce an estimate of likely total revenue (and profits) for 2017-18. The contract amount could be incorporated in the total without being identified separately and the market would have a better idea of the impact on the company going forward.

Even for this half year if the extra revenue is $3 to 4 million, on your numbers it should lift the share price sharply as the market would take account of the full year impact.