SECURITY PACIFIC <SPC> COMPLETES MERGER Security Pacific Corp said it completed its planned merger with Diablo Bank following the approval of the comptroller of the currency. Security Pacific announced its intention to merge with Diablo Bank, headquartered in Danville, Calif., in September 1986 as part of its plan to expand its retail network in Northern California. Diablo has a bank offices in Danville, San Ramon and Alamo, Calif., Security Pacific also said.