UBS Securities Australia Limited has paid penalties totalling A$280,000 to comply with two infringement notices - each for a $140,000 fine - given to it by the Markets Disciplinary Panel. The first infringement notice relates to the operation, use and monitoring of a crossing system known as UBS Price Improvement Network. The second infringement notice relates to incorrect disclosures in crossing confirmations about execution venue and trading as principal, and the provision of incorrect regulatory data to the market operators ASX and Chi-X.