CHUBB <CB> COMPLETES SOVEREIGN <SOVR> BUYOUT Chubb Corp said it completed the previously announced acquisition of Sovereign Corp. Under terms of the acquisition, Sovereign shareholders will receive, in a tax-free exchange, 0.1365 share of Chubb common for each Sovereign share held. Chubb said the transaction was valued at 9.11 dlrs a share based on the closing price of its stock on March 30.