TransAlta Corporation announced that it has signed onto a voluntary water-sharing memorandum of understanding ("MOU") with over thirty other water licence holders in the Bow River Basin. Water-sharing MOUs have been initiated by the Government of Alberta, across Southern Alberta, to coordinate water needs in what is expected to be a lower water year. Due to its role managing water storage and water flows in the Bow River system for power generation, drought prevention and flood control, the Company is collaborating with other downstream water licence holders to manage water flows.

TransAlta will contribute to this effort by maximizing storage of run-off in the spring and then use that water to manage river flows during the summer. The MOUs do not include TransAlta's facilities on the North Saskatchewan River system. TransAlta expects these water management efforts during the spring and summer seasons to align with its electricity generation objectives and practices.

The Company does not expect this voluntary arrangement to have a material impact on the performance of TransAlta's hydro fleet and hydro operations are expected to perform consistent with the Company's guidance range for 2024 based on current water forecasts. TransAlta continues to retain full capacity and capability to respond when these hydro facilities are needed by the electricity grid and will continue to meet environmental obligations.