One of the victims was an employee of the state-owned company, and four were employees of contractor Cotemar. Six victims of the incident are in hospitals, one of them is in serious condition.
"Five deaths have been confirmed. Six people have been injured and two are reported missing," Romero Oropeza said at a press conference at the company's headquarters in Mexico City.
Those two missing are employees of the Bureau of Monitoring the Condition and Integrity, the search continues, the CEO said.
The Ku-Alfa offshore platform, on which the fire occurred, operates as part of large complex Ku-Maloob-Zaap. This is one of the largest Mexican fields, producing about 640,000 barrels of heavy oil per day. The field's reserves are estimated at 4.9 billion barrels.