Ex-divs to take 6.9 points off FTSE 100 on Nov.23

LONDON, Nov 20 (Reuters) - The following FTSE 100 companies will go

ex-dividend on Thursday, after which investors will no longer qualify for the

latest dividend payout.

According to Reuters calculations at current market prices, the effect of

the resulting adjustment to prices by market-makers would take 6.89 points off

the index.

COMPANY (RIC) DIVIDEND STOCK OPTION IMPACT

(pence)

Carnival (LSE: CCL.L - news) 0.45 (USD) 0.24

DCC (Frankfurt: DCC.F - news) 40.89 0.14

National Grid (LSE: NG.L - news) 15.49 Yes 2.07

Vodafone Group (NasdaqGS: VOD - news) 4.84 (Euro cents) 4.44

Among FTSE 250 companies going ex-dividend are:

COMPANY (RIC) DIVIDEND

(pence)

3I Infrastructure 3.925

B&M European Value Retail 2.4

Great Portland Estates (Frankfurt: A0B53H - news) 3.2

HICL Infrastructure Company 1.96

Talktalk 2.5

Vedanta Resources (Other OTC: VDNRF - news) 24 (U.S. cents)

Worldwide Healthcare Trust 13

Worldwide Healthcare Trust 13

(Reporting by Kit Rees, Editing by Helen Reid)