Prosafe Q4 EBITDA $78 million (Reuters poll $63.7 million), versus $51.4 mln in Q4 2016
* Says higher EBITDA was due to an improved cost performance both onshore and offshore
* Says fleet utilisation in Q4 was 43 percent vs 63 pct the same quarter a year ago
* Says an impairment of $84.7 million has been charged to income statement in Q4 due to few prospects in the foreseeable future for the smallest vessel in the fleet, the Safe Astoria
* Says sees combined 2016 and 2017 EBITDA at $365 mln, up from pvs guidance of $320 mln, with 2017 anticipated to be a low point with $110 mln plus
* Says market is at or is near bottom of cycle and that one can anticipate a gradual recovery in demand and utilisation from 2018
* Says Prosafe will continue to be active and assist in the supply-side rebalance towards 2020
* Says continues to rebuild its position by taking the lead in respect of cost efficiency, scrapping, fleet renewal and consolidation while retaining its focus on safe operations
* Prosafe scrapped four rigs since summer 2016
* Says sees 2017 offshore opex level at $130-$140 mln from pvs guidance of $140-150 mln, and onshore opex level at $24 mln from pvs guidance of $28 mln
* Says eyes further reductions of both offshore and onshore capex by around 10 percent by Q2
* Says sees annual fleet capex at $10-15 mln from pvs guidance of $20-30 million, excluding new-builds and conversions
* Says its "guarded optimism" is based on market activity anticipated to gradually pick up from 2018 driven mainly by a normalization of brownfield markets
* Prosafe owns and operates semi-submersible accommodation, safety and support vessels
* Oslo-listed
Prosafe shares were trading 3.6 percent up from the previous close by 1200 CET (1100 GMT) at 37 Norwegian crowns ($4.45) per share, outperforming a European oil gas and index up 0.8 pct.
Reporting By Nerijus Adomaitis