March 22 Transatlantic Petroleum Ltd
* Transatlantic Petroleum announces fourth quarter and year-end 2016 financial results and provides an operations update
* Q4 loss per share $0.12 from continuing operations
* Q4 revenue $18.7 million versus $15.9 million Source text for Eikon: Further company coverage:
UPDATE 1-LafargeHolcim CEO to step down over Syria investigation - source
ZURICH, April 23 LafargeHolcim is close to announcing that its chief executive Eric Olsen is to step down following an internal investigation into activities at a former Lafarge cement plant in Syria, a source familiar with the matter said on Sunday.