 Moodys Investors Service has assigned a first-time A2 issuer rating to KEPCO Engineering Construction Company, Inc. KEPCO EC;. Our assessment of a high likelihood of KEPCO EC; receiving support from KEPCO or the Korean government -- if and when needed -- reflects KEPCO EC;s high strategic importance to KEPCO in ensuring the safe and secure operations of its nuclear power plants in Korea, says Sean Hwang, a Moodys Assistant Vice President and Analyst. 