MARC Ratings has affirmed Sime Darby Plantation Berhad’s (SD Plantation) corporate credit rating at AAA and Perpetual Subordinated Sukuk Programme rating of up to RM3.0 billion at AAIS. The two-notch rating differential between SD Plantation’s corporate credit rating and the Perpetual Sukuk programme rating is in line with MARC Ratings’ methodology on notching principles of subordinated and ...