============= Page 1 of 1 ============= -7 Harris Bretall Sullivan & Smith, Inc. May 16, 2000 Mr, and Mrs. Kenneth Lay Houston, TX 77019 Dear Linda and Kenneth: Thank you for selecting Harris Bretall Sullivan & Smith -L.C. to manage your technology portfolio. Please find, for your files, a fully executed copy of the Investment Advisory Agreement between KLL & LPL Investments Ltd and Harris Bretall, in addition to a copy of our ADV form. As you know, Harris Bretall takes a team approach to the investment decision-making process and to managing our clients' portfolios. Joe Hladlick and Peggy Lee, will assist me in the administration of this portfolio. Should any questions or concerns arise please feel free to contact any one of us at any time. I look forward to a long-term relationship with you. If you should ever like to discuss the portfolio in person, I welcome the opportunity to meet. In the meantime, as always, if you have any questions please feel free to contact me at (415) 391-8040 or via e-mail at patricks@hbss.com. Thank you again for your confidence in Harris Bretall. Sincerely, Patrick J. Sullivan, CFA Portfolio Manager Enclosures One Sansome Street, Suite 3300 • San Francisco, CA 94104 Tel: 800/685-4277 or 415/765-8300 • Fax 415/765-8397 =001-00874 LAY-G20 0767 r GOVERNMENT EXHIBIT 109