(MENAFN) The London Stock Exchange Group reported mixed annual profits, though revenues boosted after its majority stake purchase in clearing house LCH.Clearnet, according to Oman Observer. The group's pre-tax profit before acquisition, amortization and non-recurring items, boosted by 16 percent to reach USD741 million. Revenues also increased 50 percent in the group's financial year to March 31 from the previous 12 months helped by results from clearing house LCH.Clearnet.