KALU Kaiser Aluminum Corporation

Kaiser Aluminum Corporation (NASDAQ: KALU), a leading producer of semi-fabricated specialty aluminum products serving customers worldwide with highly-engineered solutions for aerospace and high-strength, packaging, general engineering, automotive extrusions, and other industrial applications, today published its 2022 Sustainability Report summarizing the Company’s focus and initiatives around its environmental, social and governance (“ESG”) program. The report is available on the Company’s website at https://www.kaiseraluminum.com/community-environment/.

“Sustainability is embedded in our corporate values, and we are pleased with the strides we have made in continuing to enhance the disclosure of our sustainability programs and initiatives,” said Keith A. Harvey, President and Chief Executive Officer. “Our 2022 Sustainability Report reflects the alignment of our strong corporate governance practices with new and continuing investments to support our key sustainability initiatives that we believe will serve as the foundation of our long-term success. Importantly, aluminum is infinitely recyclable, and our aluminum semi-fabricated products uniquely position Kaiser to contribute to efforts to mitigate climate change. We are proud of our employees and the work they have done to advance our sustainability programs and drive our long-term growth. We look forward to sustainability continuing to play a pivotal role in our business strategy and making a positive impact on the environment and in the communities where we live and work.”

Highlights of our sustainability efforts in 2022 include:

• Significant progress facilitating our ability to remain on track to reach our 2030 GHG emissions intensity reduction targets.
• Identification of seven of the United Nations Sustainable Development Goals (“UN SDGs”) which closely align with key focus areas of the business and established goals to help create sustainable value for the Company going forward.
• Launch of the inaugural Task Force for Climate-Related Financial Disclosure Report.
• Establishment of a stand-alone Supplier Code of Conduct Policy in 2023 to ensure that any company or entity that sells products or services to the Company acts in accordance with the principles and guidelines reflected in the policy.

About Kaiser Aluminum Corporation

Kaiser Aluminum Corporation, headquartered in Franklin, Tenn., is a leading producer of semi-fabricated specialty aluminum products, serving customers worldwide with highly-engineered solutions for aerospace and high-strength, packaging, general engineering, automotive extrusions, and other industrial applications. The Company’s North American facilities produce value-added plate, sheet, coil, extrusions, rod, bar, tube, and wire products, adhering to traditions of quality, innovation, and service that have been key components of the culture since the Company was founded in 1946. The Company’s stock is included in the Russell 2000® index and the S&P Small Cap 600® index.

Available Information

For more information, please visit the Company’s website at www.kaiseraluminum.com. The website includes a section for investor relations under which the Company provides notifications of news or announcements regarding its financial performance, including Securities and Exchange Commission (SEC) filings, investor events, and earnings and other press releases. In addition, all Company filings submitted to the SEC are available through a link to the section of the SEC’s website at www.sec.gov, which includes: Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and Proxy Statements for the Company’s annual stockholders’ meetings, and other information statements as filed with the SEC. In addition, the Company provides a webcast of its quarterly earnings calls and certain events in which management participates or hosts with members of the investment community.

Forward-Looking Statements

This press release contains statements based on management’s current expectations, estimates and projections that constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 involving known and unknown risks and uncertainties that may cause actual results, performance or achievements of the Company to be materially different from those expressed or implied. These factors include: (a) the effectiveness of management's strategies and decisions and the execution of those strategies; (b) general economic and business conditions; (c) developments in technology; (d) new or modified statutory or regulatory requirements; and (e) other risk factors summarized in the Company's reports filed with the Securities and Exchange Commission including the Company's Form 10-K for the year ended December 31, 2022. All information in this release is as of the date of the release. The Company undertakes no duty to update any forward-looking statement to conform the statement to actual results or changes in the Company’s expectations.

Contact:

Addo Investor RelationsInvestors@KaiserAluminum.com949-614-1769