Aug 1 (Reuters) - Fortis Inc FTS.TO :
* Fortis statement on Waneta dam agreement
* Says BC Hydro has exercised its right of first offer to acquire Teck's two-thirds interest in Waneta dam
* Fortis Inc - purchase agreement between Fortis and Teck has been terminated and Teck will pay Fortis a break fee of approximately $28 million