(Reuters) - U.S. buyout firm Silver Lake will acquire Intercontinental Exchange Inc’s stake in securities settlement platform Euroclear Holding for 709 million euros ($821.7 million), the companies said on Monday. Euroclear, a Brussels-based provider of post-trade security settlement, custody, collateral management, fund management and data services, has 35.2 trillion euros of assets under custody. New York Stock Exchange owner ICE had a 9.85% stake in Euroclear. Following the investment, which is expected to close in the first half of next year, Silver Lake wants one of its representatives to join Euroclear’s board, the companies said. Moelis & Co was ICE’s financial adviser, while Lazard advised Silver Lake on the deal. $1 = 0.8628 euros Our Standards: The Thomson Reuters Trust Principles.