On August 4, 2015, the Comisión Nacional de Hidrocarburos (the CNH) released revised versions of the Bidding Guidelines (the Guidelines) and the Model Production Sharing Contract (the PSC) for the Second Tender published on February 27, 2015 (the Second Tender). The Second Tender contains five (5) mature contract areas located in shallow waters off the Gulf of Mexico coastlines of Veracruz, Tabasco and Campeche.