...We use our Principles of Credit Ratings criteria to assess and assign a proxy group credit profile (GCP). We continue to base our assessment of the credit quality of the four key companies of the Formosa group--Formosa Plastics Corp., Nan Ya Plastics Corp., Formosa Chemicals & Fibre Corp. and Formosa Petrochemical Corp. on the proxy GCP. This is based on the pro forma consolidated financials of their audited consolidated statements....