UPDATE 2-UK Stocks-Factors to watch on July 1
(Adds company news items and updates futures)
July 1 (Reuters) - Britain's FTSE 100 index is seen opening up 35 points, or 0.5 percent, on Friday, according to financial bookmakers, with futures up 1.2 percent ahead of the cash market open.
* The UK blue chip index closed up 2.3 percent on Thursday at 6,504.33, at its highest level for 2016, having completely rebounded from a substantial sell-off in the wake of the country's vote to leave the EU.
Despite turmoil in the markets following the referendum a week ago, Britain's FTSE 100 index ended June up 4.4 percent for the month, its biggest monthly gain since October. It was helped by strength in its commodity sector and stocks with international exposure.
* BHP BILLITON: BHP Billiton on Friday said it would appeal against the decision by a Brazilian court to reinstate a $6 billion public civil claim over last year's Samarco iron ore mine disaster.
* BARCLAYS: Barclays is "staying anchored in great Britain", and has no plans to move jobs despite Britain's decision to quit the European Union, Chief Executive Jes Staley told the BBC on Thursday.
* PREMIER OIL: Premier Oil Plc, which is in talks with its lending group on the terms of its existing financial facilities, said on Friday that the lending group had agreed to defer the test of its financial covenants.
* CENTRICA: Customers of Centrica-owned British Gas, who have had smart meters installed in Britain, will be offered free electricity on either Saturdays or Sundays from this weekend. Continuación...