Executive chair Dorothy Thompson will return to her position as non-executive chair after handover
Future revenues expected to be lower than forecast as explorer cuts third of global staff
Group needs to tackle its debts and cut costs amid disappointment off Guyana
Exploration company’s shares tumbled 20% in early trade in London
Green Reit and CRH among winners as Boeing, Denis O’Brien and RTÉ join losers
Market Beat: Spurned Kerry take comfort as IFF-DuPont love-in gets off to shaky start
Samuel Dossou-Aworet co-founded Energy Africa, which Tullow Oil bought in 2004
Business week: also in the news was Tullow’s share price collapse and fossil fuels
Markets report: aviation shares slump while Tesco’s expansion plans boost performance
Irish-founded oil exploration group tells analysts it’s open to offers ‘at proper value’
Joe Brennan: One-time stock market darling pummelled by slew of negative news
Former Tullow boss’s latest venture aims to exploit divestment drive by big energy
Irish explorer cites lack of agreement with Ugandan government over tax terms
London-listed explorer says Guyana well has richer-than-expected oil bearing deposits
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