Ex-divs to take 0.36 points off FTSE 100 on Sept. 18

LONDON, Sept 17 (Reuters) - The following FTSE 100 (FTSE: ^FTSE - news) companies will go

ex-dividend on Wednesday, 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 0.36 points off

the index.

COMPANY (RIC) DIVIDEND INDEX IMPACT

(pence) (points)

Antofagasta (Other OTC: ANFGF - news) 8.9 (USc) 0.08

Melrose 2.75 0.14

Petrofac 14.1 0.14

Among FTSE 250 companies going ex-dividend are:

COMPANY (RIC) DIVIDEND

BBA Aviation (LSE: BBA.L - news) 4.4 (USc)

Computacenter (LSE: CCC.L - news) 5.2

Derwent London (LSE: DLN.L - news) 9.55

Dunelm 25

IG Group 17.5

Interserve (LSE: IRV.L - news) 6.8

Kier Group (LSE: KIE.L - news) 46.5

Ladbrokes (LSE: LAD.L - news) 4.3

RPS Group (LSE: RPS.L - news) 3.52

Renishaw 28.67