OCCIDENTAL PETROLEUM CORPORATION UNDERWRITING AGREEMENT April 2, 1998 MERRILL LYNCH & CO. MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED J.P. MORGAN SECURITIES INC. BANCAMERICA ROBERTSON STEPHENS CHASE SECURITIES INC. MORGAN STANLEY & CO....Underwriting Agreement • April 3rd, 1998 • Occidental Petroleum Corp /De/ • Crude petroleum & natural gas • New York
