(Updates with company news, futures prices)
LONDON Nov 27 (Reuters) - Britain's FTSE 100 index is seen opening 21 points lower, or down 0.3 percent on Friday, according to financial bookmakers, with futures 0.5 percent lower ahead of the cash market open. For more on the factors affecting European stocks, please click on
* The UK blue chip index closed 0.9 percent higher on Thursday at 6,391.13.
* Britain's shopping streets, out-of-town malls and websites will be awash with discounted goods on Friday as shoppers chase "Black Friday" deals in a spending frenzy expected to top last year's record level.
* UNILEVER - Consumer goods maker Unilever said it would switch to using only renewable energy by 2030 and would stop using energy from coal by 2020, as businesses jostle to highlight their green credentials ahead of a global climate summit.
* ROYAL DUTCH SHELL - Brazilian energy and transportation group Cosan SA Industria e Comercio has no plans to part ways with Royal Dutch Shell on their Raízen joint venture, the world's largest cane processor, Cosan Chairman Rubens Ometto said on Thursday.
* RIO TINTO - Rio Tinto won final approval on Friday to expand its Warkworth coal mine in Australia, with strict conditions imposed by the New South Wales state government, against the protests of environmental and community groups.
Rio Tinto gave the go-ahead on Friday to expand its bauxite output in northern Australia with a $1.9 billion project, approving a major mine at a time when most miners worldwide are slashing spending.
* ANGLO AMERICAN - Anglo American said on Friday it would shut its Drayton coal mine in Australia in 2016 after a state panel recommended that the government should block an expansion of the mine, even after the footprint was reduced.
* BHP BILLITON - Illegal levels of arsenic and mercury polluted the Rio Doce river in the days after a dam burst at an iron ore mine in early November in Brazil's worst-ever environmental disaster, according to tests by a state water agency.
* ROYAL BANK OF SCOTLAND - Royal Bank of Scotland Group plc said it will book a loss of around 265 million pounds ($400 million) after completing a tender for certain U.S. dollar, Sterling and Euro senior debt securities as it seeks to trim its long-term interest expenses.
* PENNON GROUP - Utility company Pennon Group Plc said its first-half pretax profit rose 6.8 percent, helped by strength in its energy recovery facilities unit.
* ALLIANCE TRUST - Karin Forseke, chairwoman of embattled investment firm Alliance Trust, said on Friday she was stepping down from her role on January 1, as the company implements a major overhaul following pressure from activist investor Elliott Advisors.
* VOLEX - Power and data cables maker Volex Plc said it appointed financier Nathaniel Rothschild as executive chairman with immediate effect.
* OIL PRICES - Crude oil futures fell on Friday with losses this month standing at around 9 percent, hurt by disappointing Chinese economic data and worries over a supply glut.
* METALS PRICES - London nickel fell 3 percent on Friday after recent sharp gains driven by expectations of output cuts by Chinese producers, but the metal, along with copper, is still on track to snap a long streak of weekly declines.
* British consumer morale eased to a six-month low this month as optimism about the economic outlook hit its lowest level since mid-2013, a survey by market research company GfK showed on Friday.
* John Lewis, Britain's biggest department store group, said on Friday its sales rose 2.6 percent year-on-year in the week to Nov. 21, though the firm noted shoppers were planning ahead for "Black Friday" Nov. 27 discounts.
* British house price growth slowed this month, according to a survey published on Friday which suggested the recovery in the housing market, which recently pushed prices to new record highs, is advancing at a modest pace.
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