1 case twelve eni spa building an international energy major i february 15 2003 marked the 50 th anniversary of founding italy s largest company and world seventh biggest public petroleum beginning vittorio mincato fifth full year as chief executive officer under leadership had experienced a period continuous transition development based upon strategy growth core business results were impressive between 1998 revenues hydrocarbon production both grown by more than half operating income doubled share price appreciation been greater any other oil first two months saw no slackening pace for during january finalized its acquisitions fortum norwegian gas billion euros 56 italgas italian distribution that it did not already own in also purchased service station network spain four hungarian companies however main preoccupation was corporate plan