LyondellBasell Industries N.V. (LYB) stated that it has reached an agreement to buy a 35% stake in Saudi Arabia-based National Petrochemical Industrial Company ("NATPET") from Alujain Corporation for about $500 million. The joint venture, enabled by its Spheripol polypropylene (PP) technology, will allow LYB to grow and enhance its core PP business by providing access to advantageous feedstocks as well as more product marketing capacity in a critical region. The deal is subject to regulatory and customary c ...