Jan 31 (Reuters) - Cybg Plc CYBGC.L
* CET1 increased to 12.8% at 31 december 2016
* Mortgage book increased to £22.1 billion at 31 december - annualised growth of 4.4%, ahead of the market
* FY17 guidance remains unchanged
* Net Interest margin in the three months to 31 december was 222 bps
* Core SME book reduced by 0.6% in the three months to 31 december 2016
* NIM to be broadly flat in FY17 versus. FY16
* In Q1 SME lending of £574 million in new loans and facilities
* On track to deliver planned 5% reduction in fy17 underlying costs year on year
* "Are on track to deliver our target of £690 million - £700 million in underlying costs for this year"
* "Cost delivery remains on track as we implement structural change as part of our transformation programme and associated headcount reductions" Source text for Eikon: ID:nASX9LHJG4 Further company coverage: CYBGC.L