Each deal is worth about $250 million. The move goes beyond simply rationalizing the thousands of applications adopted over time by British Petroleum PLC, Amoco Corp., ARCO, and Burmah Castrol. "Instead, we are externalizing support and maintenance...so that BP can focus on managing and developing web-centric, scalable, and flexible services for BP worldwide," said John Leggate, BP's vice-president of digital business. "This will free management and technical resources...to concentrate on enhancing our digital capability to be nimble and responsive to business pressures and direction." Ultramar Diamond Shamrock Corp. filed a registration statement on Form S-1 with the US Securities and Exchange Commission related to a proposed underwritten initial public offering of 4,000,000 common units representing limited partner interests in Shamrock Logistics LP, a Delaware limited partnership. All of the units will be sold by Shamrock Logistics LP.