The ratings on Korea National Oil Corp. (KNOC) are equalized with the sovereign ratings on the Republic of Korea (local currency rating A+/Stable/A-1; foreign currency rating A/Stable/A-1). This reflects Standard&Poor's Ratings Services' opinion that there is an 'almost certain' likelihood that the Korean government would provide timely and sufficient extraordinary support to KNOC in the event of financial distress. In accordance with our criteria for government-related entities (GREs), we base our rating approach on our view that KNOC plays a critical role for and has an integral link with the government. We assess the stand-alone credit profile (SACP) for KNOC at 'bbb-', which we attribute to the company's satisfactory business risk profile and significant financial risk profile. We