XL Capital Ltd., formerly EXEL Merger Company, is a provider of insurance and reinsurance coverages and financial products and services to industrial, commercial and professional service firms, insurance companies and other enterprises on a worldwide basis. The Company provides property and casualty insurance on a global basis. XL Capital generally writes specialty coverages for commercial customers. Specific lines of business written include third-party general liability insurance, environmental liability insurance, directors and officers liability insurance, professional liability insurance, aviation and satellite insurance, employment practices liability insurance, surety, marine insurance, property insurance and other insurance covers, including program business and political risk insurance. Premiums written vary by jurisdiction principally due to local market conditions and legal requirements.