* Home Retail, Segro and C&W Wireless to exit UK benchmark
* Changes follow regular quarterly review
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LONDON, Sept 8 (Reuters) - Home Retail Group, Segro and Cable & Wireless Worldwide will drop out of Britain's FTSE 100 later this month after a quarterly rejig, index compiler FTSE said on Wednesday.
The three will be replaced in the UK blue-chip index by insurance buyout group Resolution, pump manufacturer Weir Group and car parts maker Tomkins, the FTSE said in a statement.
Companies outside the FTSE 100 that grow to rank among the 90 most valuable British companies are automatically promoted, while the FTSE 100 members with the lowest value or which fall to 111th spot or below drop into the FTSE 250 index of midrange stocks.
The latest review used closing prices from Tuesday but the changes were confirmed by a FTSE committee on Wednesday.
The index changes will be implemented after the market closes on Sept. 17.
Five other companies will enter the mid-cap index: life insurer Phoenix Group Holdings, Jupiter Fund Management, online grocer Ocado Group, miner Kenmare Resources and car rental firm Avis Europe.
Moving out of the FTSE 250 to the small cap index were real estate investment trust Hansteen Holdings, Gem Diamonds, energy efficiency specialist Eaga, interactive education technology firm Promethean World and computer game retailer Game Group. (Reporting by Simon Falush; Editing by David Holmes)