1 EXHIBIT (d)(4) [PETROFINA LETTERHEAD] PetroFina S.A. February 17th, 1998 Public Relations & Communication CF/mt PETROFINA-FINA, INC.: DEFINITIVE MERGER AGREEMENT (Dallas, United States and Brussels, Belgium - February 17, 1998) PetroFina S.A. (NYSE...Definitive Merger Agreement • April 2nd, 1998 • Petrofina • Oil & gas field exploration services
