Alcoa Corporation filed a Form 8-K on September 10, 2026, incorporating by reference Exhibit 99.1, which contains South32 Limited’s Notice of Meeting and Explanatory Memorandum regarding the proposed sale of its aluminum value chain assets to Alcoa. The transaction involves an implied enterprise value of up to US$5.6 billion, comprising US$3.1 billion in upfront cash, US$1 billion in Alcoa scrip, up to US$750 million in price-linked contingent consideration through 2030, and approximately US$750 million in assumed net debt and lease liabilities. South32 shareholders are scheduled to vote on the resolution at a general meeting on October 15, 2026. Alcoa operates in the aluminum industry.

Alcoa Corporation priced a $2.6 billion offering of senior notes to finance the cash portion of its acquisition of South32 Limited’s bauxite, alumina, and aluminum assets. The issuance consists of $1.5 billion in 6.625% Senior Notes due 2034, issued by Alumina Pty Ltd, and $1.1 billion in 6.875% Senior Notes due 2036, issued by Alcoa Nederland Holding B.V., both wholly-owned subsidiaries guaranteed by Alcoa. The sale is expected to close on September 23, 2026, with proceeds used alongside cash on hand to fund the approximately $3.1 billion acquisition consideration and pay related fees. This transaction represents a significant strategic expansion for Alcoa Corporation, a global leader in alumina and aluminum products.

Alcoa Corporation announced a proposed $2.6 billion offering of senior notes due in 2034 and 2036 to fund the approximately $3.1 billion cash portion of its acquisition of South32 Limited’s bauxite, alumina, and aluminum smelter operations (AliGroup). The net proceeds, combined with cash on hand, will provide permanent financing for the transaction and allow Alcoa to terminate commitments under its existing 364-day bridge term loan facility. The acquisition remains subject to shareholder approval from South32 and regulatory clearances. Alcoa operates in the global aluminum industry.

Alcoa Corporation reported record second quarter 2026 revenue of $3.966 billion, with net income attributable to the company of $407 million ($1.53 per share) and adjusted EBITDA of $901 million. The company entered into a definitive agreement on June 30, 2026, to acquire South32 Limited's bauxite, alumina, and aluminum assets (AliGroup) for approximately $4.1 billion upfront, plus a contingent value right of up to $750 million. Other key events include a final investment decision for a gallium production plant in Australia, a $65 million investment at the Mosjøen smelter in Norway, and the redemption of $219 million in 6.125% Senior Notes due 2028. Alcoa lowered its 2026 alumina production and shipment projections due to instability and gas supply disruptions at the Pinjarra refinery. Alcoa is a global leader in bauxite, alumina, and aluminum products.

Alcoa Corporation entered into an Umbrella Implementation Deed on June 30, 2026, to acquire South32 Limited's interests in bauxite mine, alumina refinery, and aluminum smelter operations for $3.1 billion in cash and approximately 17 million shares of Alcoa common stock valued at $1 billion. The deal includes a contingent value right of up to $750 million based on alumina and aluminum prices. Alcoa has secured a $3.1 billion senior unsecured 364-day bridge term loan facility from Goldman Sachs Bank USA to fund the transaction. Alcoa is an aluminum producer that operates in the mining and metals industry.

On June 30, 2026, Alcoa Corporation entered into an Umbrella Implementation Deed to acquire South32 Limited's interests in bauxite mine, alumina refinery, and aluminum smelter operations. The company intends to file a registration statement on Form S-4 with the SEC to provide further details regarding the transaction. Alcoa operates in the aluminum industry, producing bauxite, alumina, and aluminum.