In the wake of its debut domestic transaction, WSO Finance (A3/A-), the financing entity of the Westlink Motorway Group (Westlink) and a 50 per cent owned subsidiary of Transurban, says Brexit didn't derail the deal's execution schedule or negatively affect its ultimate outcome. Issuer flexibility around deal format enabled a rare 10-year floating-rate tranche to be added to the planned seven-year fixed-rate bond.