Platform Specialty Products Corp. said Monday it has agreed to buy Arysta LifeScience for about $3.51 billion. Arysta, a crop protection and life science companies, is backed by Permira. Permira is expected to receive about $2.91 billion in cash and a $600 million in a preferred note in Platform. Credit Suisse, Barclays, UBS Investment Bank and Nomura Securities International acted as M&A advisors to Platform. Credit Suisse, UBS Investment Bank, and Nomura have committed financing for the acquisition. Morgan Stanley and J.P. Morgan provided financial advice to Permira.