LONDON, March 4 (Reuters) - The following FTSE 100 .FTSE...

LONDON, March 4 (Reuters) - The following FTSE 100 .FTSE 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 21.7 points off the index.

 COMPANY				(RIC)	  DIVIDEND		  STOCK OPTION   IMPACT 
								   (pence)						   
 BHP Group			   BHPB.L	55 (U.S. cents)				  3.4 
 Evraz Group			 EVRE.L	0.4 (USD)						0.61 
 Persimmon			   PSN.L	 125							  1.56 
 Rio Tinto			   RIO.L	 319.51						   14.3 
 RSA Insurance Group	 RSA.L	 13.7							 0.56 
 Standard Chartered	  STAN.L	15 (U.S. cents)   Yes			1.21 
	 
Among FTSE 250  .FTMC  companies going ex-dividend are:  

 COMPANY						   (RIC)			DIVIDEND 
													(pence)	 
 Ashmore							ASHM.L		  4.55 
 Dechra Pharmaceutials			  DPH.L		   9.5 
 Grafton Group					  GFTU_u.L		12 
 Genus							  GNS.L		   8.9 
 Hays							   HAYS.L		  1.11 
 Perpetual Income and Growth		PLI.L		   3.25 
 Investment Trust									

 Personal Assets Trust			  PNL.L		   1.4 (GBP) 
 Redrow							 RDW.L		   10 
 Renishaw						   RSW.L		   14 
 Safestore Holdings				 SAFE.L		  8.92 
 St Mowden						  SMP.L		   4 
 Temple Bar Investment Trust		TMPL.L		  20.47