SINGAPORE (Standard&Poor's) Sept. 9, 2013--Standard&Poor's Ratings Services today assigned its 'BBB+' issue rating to a proposed issue of senior unsecured notes by Thailand-based PTT Exploration and Production Public Co. Ltd. (PTTEP). PTTEP expects to use the proceeds from the proposed notes for refinancing and for general corporate purposes, including funding its exploration, development, and production activities and its future investments. The rating on the proposed notes is subject to our review of the final issuance documentation. The issue rating reflects the long-term corporate credit rating on PTTEP (BBB+/Stable/--; axA+/--). The corporate credit rating reflects the company's 'bbb+' stand-alone credit profile (SACP), and our view of a moderately high likelihood of extraordinary support from the government of