SAUDI BASIC INDUSTRIES Corporation (SABIC) and affiliates of ExxonMobil Chemical have signed a heads of agreement (HOA) and are finalising detailed studies for a new Elastomers project at their petrochemical joint ventures, Kemya and Yanpet. The agreement was signed by Mansour Al Kharboush, SABIC vicepresident, speciality products, and by Robert G. Hutchinson, vice-president chemicals, ExxonMobil Saudi Arabia Inc.