SCHEDULE 13D/A

TRANSALTA CORP

Common Shares, no par value · CUSIP: 89346D107

Event date: 2025-01-06

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• BROOKFIELD Corp /ON/Reported CIK 0001001085

  Shares: 26,923,345.00 · Class: 9.0%

• BAM PARTNERS TRUSTReported CIK 0001861643

  Shares: 26,923,345.00 · Class: 9.0%

• EAGLE CANADA COMMON HOLDINGS LP

  Shares: 10,316,598.00 · Class: 3.5%

• BIF IV EAGLE NR CARRY LP

  Shares: 16,606,747.00 · Class: 5.6%

• BIF IV LTIP CANADA SPLITTER LP

  Shares: 16,606,747.00 · Class: 5.6%

• BIF IV CDN SPLIT LP

  Shares: 26,923,345.00 · Class: 9.0%

• BIF IV CDN GP LP

  Shares: 26,923,345.00 · Class: 9.0%

• BIF IV CDN GP LTD.

  Shares: 26,923,345.00 · Class: 9.0%

• BROOKFIELD INFRASTRUCTURE GROUP LIMITED

  Shares: 26,923,345.00 · Class: 9.0%

• BIG TIMBER HOLDINGS L.P.

  Shares: 26,923,345.00 · Class: 9.0%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.