CHICAGO–(BUSINESS WIRE)–Fitch Ratings has affirmed the ratings assigned to the outstanding series issued by PEMEX Finance Ltd. as follows: –Series 1998 9.15% notes due 2018 at ‘A+’; Outlook Stable; –Series 1999 10.61% notes due 2017 at ‘A+; Outlook Stable. PEMEX Finance Ltd. is a Cayman Islands special purpose company wholly owned by Petroleos Mexicanos S.A. de C.V. (Pemex). The future flow program is backed by receivables generated by the sale of Maya crude to designated U.S., Canadian and