Oct 4 (Reuters) - Centuria Capital Ltd CNI.AX :
* Undertaking an underwritten 1 for 4.90 accelerated non-renounceable entitlement offer at issue price of $1.28 per share
* Reaffirms FY18 distribution per security guidance of 8.2 cps
* Offer expected to be marginally accretive to FY18 forecast operating earnings per security