EXHIBIT 6 LETTER AGREEMENT BETWEEN NUEVO ENERGY OMPANY AND RELATIONAL INVESTORS, LLC, DATED MARCH 29, 2000. [Letterhead of Nuevo Energy Company] March 29, 2000 Relational Investors, LLC 4330 La Jolla Village Drive Suite 200 San Diego, CA 92212 Re:...Letter Agreement • June 27th, 2000 • Relational Investors LLC • Crude petroleum & natural gas
Relational Investors, LLC ("Relational") recently requested that Nuevo Energy Company ("Company") consider the termination of the March 1, 1999 Letter Agreement between Relational and the Company ("Letter Agreement"). Among other things, the Letter Agreement sets out the duties and obligations of each party upon election to the Board of a director proposed by Relational. The letter Agreement further required that the director submit an undated letter of resignation.
