UK Stocks-Factors to watch on Feb 22

Feb 22 (Reuters) - Britain's FTSE 100 index is seen to open 82 points lower at 7,199.8 on Thursday, according to financial bookmakers. * INTERSERVE: British contractor Interserve, which is in talks with its bankers to secure funding after issuing two profit warnings last year, has decided to close its power business as part of an operational restructuring of its industrial unit. * ASTRAZENECA: AstraZeneca Plc, said on Wednesday an advisory committee of the U.S. Centers for Dise