UK Stocks-Factors to watch on Sept. 6

Britain's FTSE 100 index is expected to open slightly lower on Friday, with futures trading down 0.1% at 7260. * SHELL, BP: Think-tank Carbon Tracker said in a report that investment plans by Royal Dutch Shell, BP and ExxonMobil, among others, will not be compatible with the 2015 Paris Agreement, which aims to limit global warming to 1.5 degrees Celsius. * SHELL: Exxon Mobil has agreed to sell its Norwegian oil and gas assets, which comprises minority stakes i