Tullow's pre-tax loss over the financial year was $1.03bn, down 37.2% from 2014's $1.64bn loss.
ArcelorMittal, is known in the UK for sponsoring the Orbit, in the Queen Elizabeth Olympic Park at Stratford.
Boss of British Gas owner said North Sea companies that want to continue would need support.
Buying imports doesn't make us worse off as imports balance with corresponding exports or investment into UK.
Brent crude and WTI fall below $30 a barrel as concerns over a slowdown in China intensify.
With gloom about sustainability of economic recovery low oil prices are a gift for Western economies.
The group will be chaired by Oliver Letwin, minister for government policy.
Rating agency says decision motivated by the ongoing slump in oil prices.
BP's CEO says oil prices will continue to decline for at least another six months but will not fall forever.
Saudi Arabia, the world's biggest oil producer, is mooting an IPO of Saudi Aramco.
Forgemasters blamed the government and its handling of the steel crisis for the job cuts.
Oil prices relinquish gains as Tehran aims to ramp-up oil production by 500,000 barrels per day.
Shares across Asia decline to their lowest levels since late 2011.
Goldman Sachs, RBS and Morgan Stanley too are ultra-bearish about oil prices.
The move is in line with its efforts to increase its footprint in London's bullion market.
Complete privatisation would make Saudi Aramco by far most valuable company in the world.
Iran is gearing up to increase production following lifting of sanctions.
Riyadh will not halt record production at risk of aiding Iran and US shale.
Brent and WTI prices hit 10-year lows as trading in China is halted for second time in a week.
Geopolitical tension in the Middle East and concerns over China drag price sharply down.
The price of diesel has fallen to around two pence below the price of petrol, which is usually cheaper.
Cartel says 2014 levels of oil prices will not be achieved until 2040.
Shell and BG were both among the biggest FTSE 100 risers on 23 December.
Glencore, BHP Billiton and other commodity traders are struggling to survive because of the crisis.
The overhaul of the firm also includes the reduction of around 60% of its assets.
An Iran-Saudi dispute ended without any significant plans for a production limit.
Xi told the FOCAC China would help tackle three issues holding back Africa's development.
Crude oil and WTI benchmarks are expected to remain under $60 in 2016.
Move is aimed at creating more jobs and boosting the manufacturing sector in Saudi Arabia.
A survey has estimated that the overall employment in this sector fell 6% in the year to September 2015.