RIYADH, 6 November 2006 — Saudi Basic Industries Corporation (SABIC) and ExxonMobil Chemical announced that they have begun work on a feasibility study to define a potential project that would grow their two joint petrochemical ventures at Yanbu and Jubail. The project would target a domestic supply of carbon black and rubber and thermoplastic specialty polymers (EPDM, TPO, Butyl, SBR/PBR) to serve emerging local and international markets. Expected project start-up is 2011.

