Ex-divs to take 9.8 points off FTSE 100 on Thursday April 23

LONDON, April 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 9.81 points off the

index.

COMPANY (RIC) DIVIDEND(pence) ESTIMATED

IMPACT

AGGREKO (LSE: AGK.L - news) 17.74 0.167175028

ANTOFAGASTA (Other OTC: ANFGF - news) 9.8 $ cents 0.09121936

ARM HOLDINGS (LSE: ARM.L - news) 4.5 0.24945752

BARRATT DEVELOPMENTS (LSE: BDEV.L - news) 4.8 0.185701649

BG GROUP (LSE: BG.L - news) 9.52 1.272484938

GLENCORE (Xetra: A1JAGV - news) 12 $ cents 3.358863485

LEGAL & GENERAL (LSE: LGEN.L - news) 8.35 1.947263957

MONDI (LSE: MNDI.L - news) 28.77 Euro cents 0.298478009

OLD MUTUAL (Other OTC: ODMTY - news) 6.25 1.199642587

UNILEVER (NYSE: UL - news) 21.8 1.032946807

Among FTSE 250 companies going ex-dividend are:

COMPANY (RIC) DIVIDEND(pence)

BWIN.PARTY 1.89

CENTAMIN ORD 1.99 $ cents

DRAX GROUP (LSE: DRX.L - news) 7.2

ELEMENTIS (LSE: ELM.L - news) 8.2312

MAN GROUP (LSE: EMG.L - news) 3.95

HANSTEEN HOLD 5.72

INTER PUB PART 3.15

RATHBONE BROS 33

RPS GROUP (LSE: RPS.L - news) 4.42

TULLETT PREBON (LSE: TLPR.L - news) 11.25

UBM (LSE: UBM.L - news) 16

UNITE GROUP (LSE: UTG.L - news) 9

(Reporting by Alistair Smout; Editing by Lionel Laurent)