Alcoa (NYSE:AA) Executive Vice President and Chief Financial Officer
      William F. Oplinger will present at the 2015 Bank of America Merrill
      Lynch Global Metals, Mining & Steel Conference being held May 12-14 in
      Barcelona, Spain. Oplinger will speak at 11:00 a.m. EDT (5:00 p.m. CET)
      on Tuesday, May 12. He will discuss Alcoa’s strategy for building its
      multi-material, value-add portfolio and creating a globally competitive
      commodity business.
    
      Oplinger’s presentation will be available through a live audio webcast
      at www.alcoa.com/bankofamericamerrilllynch.
      Following the conference, the archived webcast will be available for
      replay on the same website.
    
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 59,000 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.
    
       Alcoa
Investors
Nahla Azmy, 212-836-2674
Nahla.Azmy@alcoa.com
or
Media
Monica        Orbe, 212-836-2632
Monica.Orbe@alcoa.com