July 2 (Reuters) - Sigma Healthcare Ltd SIG.AX :
* MY CHEMIST/CHEMIST WAREHOUSE GROUP (MC/CW) CONTRACT UPDATE; PROPOSED TERMS FOR EXTENSION COULD NOT BE AGREED
* REVISES GUIDANCE TO UNDERLYING EBIT OF ABOUT $75 MILLION FOR FY18/19
* ANTICIPATES UNDERLYING EBIT OF BETWEEN $40 MILLION AND $50 MILLION FOR FY20