Critical Path, a Californian-based provider of Internet messaging solutions, has finalised the acquisition of Isocor, a supplier of Internet messaging, directory and meta-directory software, in an all stock deal worth some $287 million (€284 million). Stockholders of Isocor will receive 0.4707 shares of Critical Path common stock for each share of Isocor held. A spokeswoman said the operation in the Republic would continue in its present form and there was some scope for growth.