Australian buyout firm CHAMP Private Equity has agreed to purchase a 33.2 percent stake in Miclyn Express Offshore (MIO), a Singapore-based provider of service vessels to the oil and gas industry, from global investment firm Macquarie Capital Group. The transaction, which is expected to take place in October 2012 through a sale on the Australian Stock Exchange, will involve the transfer of 92.4 million ordinary shares with an aggregate value of approximately AUD199 million (approximately US$207.5 million).