| Group | ||||||||
| Share | Registered Office & | |||||||
Company | Nature of Business | % | Country of Incorporation Operation | |||||
| Athena Neurosciences, Inc. | Holding company | 100 | 800 Gateway Blvd South San Francisco, CA, United States | |||||
| Elan Capital Corp., Ltd. | Financial services company | 100 | Clarendon House 2 Church St Hamilton, Bermuda | |||||
| Elan Drug Delivery, Inc. | R&D | 100 | 3000 Horizon Drive King of Prussia, PA, United States | |||||
| Elan Finance plc | Financial services company | 100 | Treasury Building, Lower Grand Canal Street, Dublin 2, Ireland | |||||
| Elan Holdings, Inc. | Manufacture pharmaceutical and medical device products | 100 | 1300 Gould Drive Gainesville, GA, United States | |||||
| Elan Holdings Ltd. | Holding company | 100 | Monksland, Athlone Co. Westmeath, Ireland | |||||
| Elan International Services Ltd. | Financial services company | 100 | Clarendon House, 2 Church St Hamilton, Bermuda | |||||
| Elan Management Ltd. | Provision of management services | 100 | Treasury Building, Lower Grand Canal Street, Dublin 2, Ireland | |||||
| Elan Pharma International Ltd. | R&D, manufacture, sale and distribution of pharmaceutical products and financial services | 100 | Monksland, Athlone Co. Westmeath, Ireland | |||||
| Elan Pharmaceuticals, Inc. | R&D and sale of pharmaceutical products | 100 | 800 Gateway Blvd South San Francisco, CA, United States | |||||
| Monksland Holding BV | Financial services company | 100 | Amsteldijk 166 6th Floor 1079 LH Amsterdam The Netherlands | |||||
| Neuralab Ltd. | Non-trading | 100 | Clarendon House, 2 Church St Hamilton, Bermuda | |||||
