Ritch Mueller represented Barclays Capital, BBVA Securities, BNP Paribas Securities, J.P. Morgan Securities, Morgan Stanley, MUFG Securities Americas, Scotia Capital (USA) and SMBC Nikko, as dealer managers in connection with the preparation of an Exchange Offer by Petróleos Mexicanos, to exchange certain outstanding securities for new issues by Pemex of new United States Dollar-denominted Notes due 2031 and 2060.