Alcoa (NYSE:AA) will hold a conference call on Wednesday, April 8
      beginning at 5:00 p.m. Eastern Daylight Time to discuss first quarter
      2015 results and business developments. The conference call will be
      webcast live via Alcoa’s website, www.alcoa.com,
      with presentation materials available online at 4:15 p.m. EDT.
    
Conference Call Information
| Time: | 5:00 – 6:00 p.m. EDT | |
| Hosts: | Klaus Kleinfeld, Chairman and Chief Executive Officer | |
| 
          William Oplinger, Executive Vice President and Chief Financial Officer  | 
||
| Call: | (855) 252-9433 | |
| + 1 (484) 487-2715 (International) | ||
| Pass Code: 79885590 | ||
| To avoid a delay in start time, please dial-in beginning at 4:45 p.m. | ||
| Webcast: | 
 
            Invest section of the Alcoa  | 
|
      Note: Adobe Flash 9 or higher is required. Please refer to the system
      check to verify that your computer meets the system requirements.
      Click here
      if you need the latest version of Adobe Flash.
    
Replay Information
      A replay of the call will be available from 8:30 p.m. EDT on April 8
      until April 22 at 11:30 p.m. EDT.
    
| Replay: | (855) 859 2056 | |
| + 1 (404) 537 3406 (International) | ||
| 
          Pass Code: 79885590 or at Quarterly Earnings Presentations on our 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
Investor Contact
Nahla Azmy, 212-836-2674
Nahla.Azmy@alcoa.com
or
Media        Contact
Monica Orbe, 212-836-2632
Monica.Orbe@alcoa.com