TAC

CALGARY, Alberta, June 30, 2026 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX:TA) (NYSE:TAC) will release its second quarter 2026 results before markets open on Friday, July 31, 2026. A conference call and webcast to discuss the results will be held for investors, analysts, members of the media and other interested parties the same day beginning at 9:00 a.m. Mountain Time (11:00 a.m. Eastern Time).

CALGARY, Alberta, June 15, 2026 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) confirms that its subsidiary, TransAlta Centralia Generation LLC, has received an order (The Order) from the United States Department of Energy. The Order mandates that Centralia Unit 2 in Washington State remain available for operation, for a period of 90 days, until September 13, 2026.

CALGARY, Alberta, June 09, 2026 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) is pleased to announce that it has closed its previously announced bought deal offering (the Offering) of common shares.

TransAlta Corporation (TA:CA) M&A Call Prepared Remarks Transcript

The short form base shelf prospectus is accessible, and the final prospectus supplement will be accessible within two business days, through SEDAR+.

STOCKHOLM & SANTA CLARA, Calif.--(BUSINESS WIRE)--Yubico (Nasdaq Stockholm: YUBICO), the pioneer of phishing-resistant security keys and creator of the YubiKey, the strongest form of hardware-backed passkeys, today announced its significant role in securing the AI frontier as OpenAI mandates the use of passkeys for individuals that are part of their Trusted Access for Cyber (TAC) program. As a leading global AI research and development company, OpenAI is setting a precedent for empowering its u.

TransAlta Corporation (TA:CA) Shareholder/Analyst Call Prepared Remarks Transcript

CALGARY, Alberta, April 29, 2026 (GLOBE NEWSWIRE) -- The Board of Directors of TransAlta Corporation (TSX: TA) (NYSE: TAC) declared the following quarterly dividend on its Cumulative Redeemable Rate Reset First Preferred Shares for the period starting from and including March 31, 2026, up to but excluding June 30, 2026:

CALGARY, Alberta, April 20, 2026 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) is pleased to announce the appointment of Mike Politeski as Executive Vice President, Finance and Chief Financial Officer (EVP and CFO) and Grant Arnold as Executive Vice President, Growth and Chief Commercial Officer (EVP and CCO), effective May 1, 2026 and May 6, 2026, respectively. The appointments correspond with the transition of current EVP and CFO, Joel Hunter, to the role of President and Chief Executive Officer (CEO) effective April 30, 2026, following the retirement of current President and CEO, John Kousinioris.