Jan 17 (Reuters) - National Australia Bank Ltd NAB.AX :
* Demerger & IPO of cybg -IPO marketing & proposed price range
* Is pursuing demerger of 75% of cybg to nab shareholders and a divestment of remaining 25% by IPO to institutional investors
* Says proposed IPO price range has been set at between 175 pence and 235 pence per cybg share
* Says final IPO price will be determined by IPO book-build process and is expected to be announced on 2 February 2016
* May elect not to proceed with IPO or to only proceed with a partial IPO, in which case nab will retain a shareholding in cybg
* Says range equates to a cybg market capitalisation of approximately £1.54 billion to £2.07 billion
* Source text for Eikon ID:nASX5WBvDC