April 27 (Reuters) - Nextdc Ltd NXT.AX
* Appointed national australia bank as arranger and lead manager to evaluate a potential new $200 million wholesale, senior unsecured, fixed rate debt offering
* Will also look to offer existing noteholders option to exchange notes i or notes ii for new note iii securities alongside new investors
* Will use proceeds of notes iii to redeem notes i ($60 million) and notes ii ($100 million) at next optional redemption date of 16 june 2017 Source text for Eikon: ID:nASX2lvFDS Further company coverage: NXT.AX