LONDON (Dow Jones)--Securities Trust of Scotland PLC (STS.LN) directors have announced Tuesday that the company will pay a first interim dividend for the year ending March 31, 2011 of 1.15 pence per share. MAIN FACTS: -This dividend will be paid on Sep. 3, to shareholders on the register on Aug. 13. -Shares at 1348 GMT down 0.5 pence, or 0.5%, at 94.0 pence. By Iain Packham, Dow Jones Newswires; 44-20-7842-9269; [email protected] (END) Dow Jones Newswires July 20, 2010 09:50 ET (13:50 GMT)