*IDE Group Holdings Non-Executive Director Katherine Ward Steps Down Immediately

TRADING UPDATES: SigmaRoc files patent; Griffin restarts operations

(Alliance News) - The following is a round-up of updates by London-listed companies, issued on Friday and not separately reported by Alliance News:

UK shareholder meetings calendar - next 7 days

EARNINGS UPDATES: Harland & Wolff interim revenue climbs

(Alliance News) - The following is a round-up of updates by London-listed companies, issued on Friday and not separately reported by Alliance News:

EARNINGS UPDATES: Hemogenyx hopes on cancer drug; IDE loss widens

(Alliance News) - The following is a round-up of updates by London-listed companies, issued on Thursday and not separately reported by Alliance News:

TRADING UPDATES: ImmuPharma waits on FDA; IDE Group waits on audit

(Alliance News) - The following is a round-up of updates by London-listed companies, issued on Wednesday and not separately reported by Alliance News: