P521ORACLE 521 Mon24 Feb C4 1702:08   EXCO, MORGAN GRENFELL  IN MERGER TALKS Money broking and financial services group Exco International and merchant bankers Morgan Grenfell could be heading for a £1bn merger. A statement said exploratory talks were taking place between them and a further statement was promised "in due course". A merger between the companies would be subject to Bank of England approval. Morgan Grenfell is currently advising Guinness on its bid for Distillers, Utd Biscuits in its offer for Imperial, and Rank, which wants to buy Granada. City headlines 500 Newsfile 520 SKIING HOLS...........584