Ritch Mueller advised Citigroup Global Markets, Goldman Sachs, HSBC Securities (USA), Morgan Securities, BofA Securities, Credit Agricole Securities (USA), and Mizuho Securities USA (1) in connection with the offers by Petróleos Mexicanos to exchange any and all of its outstanding securities set forth in Exhibit A hereto (i) under the heading “Any and All Offers—Group A” for, at the election of holders of Group A Securities, either newly-issued 6.490% Notes due 2027 or newly-issued 7.690% Bonds due 2050, and (ii) under the heading “Any and All Offers—Group B” for at the election of holders of Group B Securities, either newly-issued 6.840% Notes due 2030 or or newly-issued 7.690% Bonds due 2050, and (iii) the Issuer’s outstanding securities set forth in Exhibit A hereto under the heading “Waterfall Offers” for newly-issued 7.690% Bonds due 2050; (2) in connection with the offering and sale by Petróleos Mexicanos of its USD$1,250 million 6.490% Notes due 2027, USD$3,250 million 6.840% Notes due 2030 and USD$3,000 million 7.690% Bonds due 2050, guaranteed by PEMEX Exploración y Producción, PEMEX Transformación Industrial and PEMEX Logística.