Long-term Equity AnticiPation Securities, are long-term options based on I/ I Oth of the S&P I 00 Index (OEX). The S&P 100 is a capitalizcition weighted index of 100 stocks from a broad range of industries. OEX LEAPS contracts trade independently of and in addition to OEX options. OEX LEAPS contracts have longer terms until expiration than OFX options. Expiration Months: At each December expiration, CBOE will list new expiration series having 36 months until expiration. OBX options expire in December, 1994, OLX options expire in December, 1995, and OCX options expire in December 1996.