UPL Corporation Ltd, international arm of the UPL (United Phosphorus Ltd), has entered into an agreement to acquire Arystra Lifesciences for US$4.2bn, making it to Top 5 in the world. UPL will now have sales of US$5bn & 20%+EBDITA margins (presynergies).Transaction provides UPL a perfect match with powerful synergies across geographie..