Alcoa Corporation (NYSE: AA; ASX: AAI) plans to announce its second quarter 2025 financial results on Wednesday, July 16, 2025, after the close of trading on the New York Stock Exchange. Alcoa will host a conference call to discuss the second quarter 2025 financial results on July 16, 2025, at 5:00 p.m. EDT (July 17, 2025, at 7:00 a.m. AEST). The call will be webcast live via Alcoa's website, www.alcoa.com.

The second quarter 2025 earnings press release with financial results, and a related presentation, will be available on the “Investors” section of Alcoa’s website, www.alcoa.com. A link to the press release will also be on Alcoa’s X handle @Alcoa at www.X.com/Alcoa.

Conference Call Information:

Time: Wednesday, July 16, 2025: 5:00 p.m.– 6:00 p.m. EDT

Thursday, July 17, 2025: 7:00 a.m.– 8:00 a.m. AEST

Hosts: William Oplinger, President and Chief Executive Officer

Molly Beerman, Executive Vice President and Chief Financial Officer

Webcast:

Go to the “Investors” section of the Alcoa website to listen only and view presentation slides.

Call: +1 (877) 883-0383 (Domestic)

+1 (412) 902-6506 (International)

Conference ID: 1100210

Replay Information:

A telephone replay will be available at approximately 8:00 p.m. EDT on July 16 until July 23, 2025.

+1 (877) 344-7529 (Domestic)

+1 (412) 317-0088 (International)

Replay Access Code: 5291355

To access the replay using an international dial-in number, please select this link:

https://services.choruscall.com/ccforms/replay.html

The webcast will also be archived on the “Events & Presentations” portion of the “Investors” section of www.alcoa.com at this link: Alcoa Corporation - Events & Presentations - Events

About Alcoa Corporation

Alcoa is a global industry leader in bauxite, alumina and aluminum products with a vision to reinvent the aluminum industry for a sustainable future. With a values-based approach that encompasses integrity, operating excellence, care for people and courageous leadership, our purpose is to Turn Raw Potential into Real Progress. Since developing the process that made aluminum an affordable and vital part of modern life, our talented Alcoans have developed breakthrough innovations and best practices that have led to greater efficiency, safety, sustainability and stronger communities wherever we operate.

Dissemination of Company Information

Alcoa intends to make future announcements regarding company developments and financial performance through its website, www.alcoa.com, as well as through press releases, filings with the Securities and Exchange Commission, conference calls, media broadcasts, and webcasts.

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