ShortfallEligible Shareholders who take up their Entitlements in...

Shortfall

Eligible Shareholders who take up their Entitlements in full may also apply for Additional New Shares in excess of their Entitlements, at the Offer Price. The availability of Additional New Shares will be limited to the Entitlements attributable to Eligible Shareholders that do not take up their Entitlements. In the event it is necessary to scale-back applications for Additional New Shares (where there are more applications for Additional New Shares than there is Shortfall) then the scale back will be on a pro-rata basis based on your Entitlement. To the extent that any Shortfall Shares remain at the Closing Date,the Board also reserves the right to place any Shortfall Shares at their discretion within three months after the Closing Date.

For the purpose of this Offer Booklet, Shortfall Shares means New Shares available under the Entitlement Offer that are not subscribed for by Eligible Shareholders by the Closing Date
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So this clearly means eligible shareholderss are NOT restricted to the 1 for 9.5 offer, and to me seems to imply that a pro-rata scale back will only apply if an oversubscription occurs. So if you want more than your 1 for 9.5 just apply $xxxx's for what you want. Maybe it'll be scaled back maybe not but there does not seem to be an upper limit like $15k or so, as most SPP.

And -

the Board also reserves the right to place any Shortfall Shares at their discretion within three months after the Closing Date.

.. answers your query

Cheers