Alcoa to Delay Curtailment of Intalco Smelter

Lightweight metals leader Alcoa (NYSE:AA) today announced it will delay the curtailment of its Intalco Works smelter in Ferndale, Washington until the end of the second quarter of 2016. The plant was initially scheduled to curtail by the end of the first quarter.

The Company announced a full curtailment of the Intalco smelter (230kmt) on November 2, 2015, with the plant’s casthouse continuing to operate. However, recent changes in energy and raw material costs have made it more cost effective in the near term to keep the smelter operating to provide molten metal to the plant’s casthouse.

Once all announced curtailments and closures are complete, the Company will have removed approximately 25 percent operating smelting capacity and approximately 20 percent of operating refining capacity by mid-2016, and Alcoa globally will have 2.1 million metric tons of operating smelting capacity and 12.3 million metric tons of operating refining capacity remaining.

About Alcoa

A global leader in lightweight metals technology, engineering and manufacturing, Alcoa innovates multi-material solutions that advance our world. Our technologies enhance transportation, from automotive and commercial transport to air and space travel, and improve industrial and consumer electronics products. We enable smart buildings, sustainable food and beverage packaging, high performance defense vehicles across air, land and sea, deeper oil and gas drilling and more efficient power generation. We pioneered the aluminum industry over 125 years ago, and today, our approximately 60,000 people in 30 countries deliver value-add products made of titanium, nickel and aluminum, and produce best-in-class bauxite, alumina and primary aluminum products. For more information, visit www.alcoa.com, follow @Alcoa on Twitter at www.twitter.com/Alcoa and follow us on Facebook at www.facebook.com/Alcoa.

Forward Looking Statements

This release contains statements that relate to future events and expectations and as such constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include those containing such words as “estimates,” “expects,” “goal,” “plans,” “should,” “target,” “will,” “would,” or other words of similar meaning. All statements that reflect Alcoa’s expectations, assumptions or projections about the future, other than statements of historical fact, are forward-looking statements, including, without limitation, statements regarding Alcoa’s goal to create a globally competitive commodity business and the expected timing for completing the curtailment of the Intalco Works smelter. Forward-looking statements are subject to risks, uncertainties and other factors, and are not guarantees of future performance. Important factors that could cause actual results to differ materially from those expressed or implied in the forward-looking statements include: (a) material adverse changes in aluminum industry conditions, including global supply and demand conditions and fluctuations in London Metal Exchange-based prices and premiums, as applicable, for primary aluminum, alumina, and other products, and fluctuations in indexed-based and spot prices for alumina; (b) Alcoa’s inability to successfully realize goals established in each of its business segments, at the levels or by the dates targeted for such goals (including moving its alumina refining and aluminum smelting businesses down on the industry cost curves and increasing revenues and improving margins in its Value-Add businesses); (c) Alcoa’s inability to realize expected benefits, in each case as planned and by targeted completion dates, from acquisitions, divestitures, facility closures, curtailments, or expansions, or international joint ventures; (d) political, economic, and regulatory risks in the countries in which Alcoa operates, including unfavorable changes in laws and governmental policies, tax rates, civil unrest, or other events beyond Alcoa’s control; (e) changes in preliminary accounting estimates due to the significant judgments and assumptions required; (f) the outcome of contingencies, including legal proceedings and environmental remediation; (g) deterioration in global economic and financial market conditions generally; and (h) the other risk factors summarized in Alcoa’s Form 10-K for the year ended December 31, 2014, and other reports filed with the Securities and Exchange Commission. Alcoa disclaims any obligation to update publicly any forward-looking statements, whether in response to new information, future events or otherwise, except as required by applicable law.

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