Alcoa Inc.

James Tedesco is Vice President of Sales and Marketing and Partner of Sencorp, Inc. He has over 30 years of experience with thermoforming, heat sealing and packaging equipment. Jim is responsible for sales and marketing of thermoforming equipment, laboratory sealers, shuttle tray sealers and automated packaging systems for the medical industry as well as the retail industry. Past experience includes VP of Sales of Crystal Thermoplastics (now Alcoa), designing and producing of thermoformed parts to the medical industry. He is currently a member of SPE, PMMI, Institute of Packaging Professionals (IoPP) and Director on the board of the Association of Visual Packaging Manufacturers. Jim was awarded a B.S. in Marketing from Suffolk University.

Klaus Kleinfeld is president and chief executive officer of Alcoa. He joined the company in 2007 as president and chief operating officer and seven months later assumed CEO responsibilities. He has served on Alcoa's board of directors since 2003. Alcoa is a world leader in the production and management of a very sustainable product: aluminum. Nearly 75% of the aluminum ever produced since 1888 is still in use today. The company has been a technology leader since its beginning, providing more than 90% of the aluminum alloys used in aircraft and space flight; helping making automobiles lighter, without compromising safety or performance; manufacturing sheet that created the ultimate recyclable container, the aluminum beverage can; and providing building and construction industry materials that help further the green building movement. In addition, to serving customers in these markets, Alcoa also markets wheels, fastening systems, precision and investment castings, and building systems. The company has 97,000 employees in 34 countries. Before coming to Alcoa, Mr. Kleinfeld had a 20-year career with Siemens, the global electronics and industrial conglomerate, based in the U.S. and Germany, where he served as chief executive officer of Siemens AG starting in 2005. During his tenure, Mr. Kleinfeld presided over a dramatic transformation of the company, reshaping the company's portfolio around three high growth areas, resulting in increase of revenues and market capitalization nearly doubled. Prior to his service on the Managing Board of Siemens AG, Mr. Kleinfeld was President and Chief Executive Officer of Siemens Corporation, its U.S. arm and the company's largest region. In addition to serving on Alcoa's board, he is a member of the board of Bayer AG. On the personal front, Mr. Kleinfeld was born in Bremen, Germany and educated at the University of Goettingen and University of Wuerzburg, both in Germany. He holds a Ph.D in strategic management and master's degree in business administration. In his leisure time, he enjoys skiing, tennis, the arts and is a marathon runner. Mr. Kleinfeld resides in New York with his wife and children.

Mr. Rateau is the Vice President of Business Development and Energy Management & Services of Alcoa Primary Metals, Energy Division and has been at Alcoa Primary Metals since 1996. Before that, Mr. Rateau held a number of managerial positions with National Steel Corporation from 1981 to 1996. He brings expertise in business acquisitions and divestitures, capital budgets and project management, and applied research of complex technology and processes. Mr. Rateau holds an M.B.A. from Michigan State University and received a B.S. in Industrial Engineering from West Virginia University.

Charles D. (Chuck) McLane Jr. was elected Chief Financial Officer for Alcoa effective January 2007. He has been vice president and corporate controller for the company since 2002. As CFO, Chuck will have accountability for Alcoa's Finance organization, which includes Treasury, Controllership, Pension, Investor Relations, Tax, Audit and Financial Planning & Analysis. He also is responsible for the Global Business Service group, which provides IT, purchasing and Business Support Services globally. Chuck joined Alcoa in May 2000 as director of investor relations, following the company's acquisition of Reynolds Metals Company. Two years later, he was appointed vice president of Alcoa Business Support Services and Corporate Controller. He also had accountability for Alcoa's North American transactional service functions, including procurement, financial shared services, environment, health and safety services, human resources and corporate aircraft operations. With the combination of the Europe and North America support services organization, the North American regional function was eliminated in 2003. Chuck assumed the Pittsburgh location management role in addition to Controllership responsibilities in 2005. Prior to joining Alcoa, Chuck worked for Reynolds Metals for 27 years serving in a series of financial assignments, including division controller. In 1990, he was named director of finance and administration for Reynolds' Global Can business unit, then in 1995 he became assistant controller and in 1999 assistant treasurer. Born in Richmond, Virginia, on July 15, 1953, Chuck earned both a bachelor's and master's degrees in accounting from Virginia Commonwealth University in 1978 and 1984, respectively. He attended an Executive Program at the University of Virginia's Darden School of Business in 1988 and the Wharton School of Business at the University of Pennsylvania in 1995. Chuck is a member of the Committee on Corporate Reporting of the Financial Executives Institute and is engaged in several charitable organizations. He and his wife, Betty, have two daughters.

William F. (Bill) Christopher is responsible for Alcoa's global efforts in the aerospace, automotive, commercial transportation, and building and construction areas. He was named group president for Alcoa's aerospace and commercial transportation groups in 2002 and assumed additional responsibility for automotive a year later. In July 2006, Bill added Alcoa's building and construction business to his portfolio and renamed the Group business Engineered Products and Solutions to reflect the breadth of his organization. Today, Engineered Products and Solutions is composed of Alcoa Industrial Components and Forged Products, Alcoa Fastening Systems, Alcoa Wheel Products, AFL Automotive, Auto & Truck Structures, and the Alcoa Building and Construction Systems businesses. Bill also led the corporate customer and marketing initiatives for growth until early 2006. Bill is a member of Alcoa's Executive Council, the senior leadership group that provides strategic direction for the company, and he is the director of Alcoa's Global Aerospace Market Sector. Bill joined Alcoa in 1975 in the Finance organization in Pittsburgh following graduation from Penn State University with an accounting degree. He held a series of financial management positions in Massena (N.Y.), Davenport (Iowa) and in Tennessee until he was named sheet mill manager at Davenport in 1988. Three years later he became vice president, Commercial Products Sales and Marketing also based in Davenport. In 1996, Bill was named president of Alcoa Forged Products based in Cleveland, Ohio. In 2001 he assumed responsibility for the global deployment of the Alcoa Business System, and the company's customer and quality initiatives. A year later, Bill took on additional responsibility for Alcoa's global aerospace and commercial transportation markets, subsequently adding automotive, and building and construction systems to his accountabilities. Bill was elected a vice president of Alcoa in 1999 and an executive vice president in 2001. Bill obtained an M.B.A. degree in 1980 from Clarkson University. He serves on the board of directors of the Greater Cleveland Partnership and serves on Mayor Jackson's Task Force for Economic Development.

Dan Smith became Alcoa Howmet's Vice President - Finance in 2002 after a similar role at Alcoa Wheel and Forged Products. His previous experience includes 22 years with Alcoa in various financial positions, including the Director of European Shared Services during the successful startup phase. Mr. Smith holds a Bachelor of Science degree in Business Administration.

Jake Siewert joined Alcoa in October 2001 as vice president, global communications and public strategy responsible for overseeing and integrating the company's approach to the media, governments, local communities, and other stakeholders. In his new assignment, Jake is accountable for Alcoa's global environment, health and safety efforts in addition to continuing leadership of the company's communications and public strategy responsibilities. Prior to joining Alcoa, Jake served as the White House press secretary from 2000-2001, where he was principal spokesperson for U.S. President Bill Clinton's Administration on foreign and domestic policy. Earlier, he was special assistant to the President for Economic Affairs for the National Economic Council at the White House. Jake began his communications career in 1991 in Washington, D.C., as communications director for the Democratic Governors' Association. He is a 1986 graduate of Yale University, where he graduated summa cum laude with a degree in the Humanities. He also attended the law school of the University of California at Berkeley. He was born February 1, 1964 in New York City.

James B. Johnson currently serves as Alcoa Howmet's Vice President - Manufacturing. Mr. Johnson has held numerous positions since joining Alcoa Howmet's Dover facility in 1978, including Quality Assurance Manager, Operations Manager, Business Center Manager, General Manager, and Vice President - Support Operations. Following Bachelor of Science and MBA degrees, Mr. Johnson has continued his professional education through the completion of the University of Tennessee Executive Development Program. He is currently a member of the YMCA Board of Directors and the New Jersey Business and Industry Association.

John Corrigan began his career with Howmet in 1967 and is currently the Vice President for Technology, Engineering, and Research. He has held various metallurgy and engineering positions in the company, and has served as general manager at Howmet's Hampton operations. He has served the company as vice president since 1984. Mr. Corrigan completed his educational training at Manchester College of Science and Technology in England. He holds several patents for investment castings and is a member of the Institute of Materials, ASM, and the American Welding Society.

Michael A. Pepper began his career with Howmet in 1987 and is currently Vice President and General Manager - Howmet Products and Services. Prior to this appointment he served as General Manager of the company's Whitehall Casting operation, Laval Casting operation, and Exeter Casting operation. Mr. Pepper previously held a series of engineering, manufacturing, and management positions at the Wichita Falls Casting operation. Mr. Pepper is a graduate of Midwestern State University, where he earned a Bachelor of Science degree. He has successfully completed the University of Tennessee's Executive Development Program and has been recognized with Midwestern State University's Distinguished Alumni Award.

Jean A. Bailey is director of communications for the Alcoa Power and Propulsion business, where she leads and develops integrated internal and external communications programs that support corporate, business unit and operational strategies. She joined Alcoa in October 2005 and her responsibilities include employee communications, community relations, advertising, public relations, and branding throughout the organization's 27 worldwide locations and communities. She will also provide oversight and guidance to marketing communications. Prior to joining Alcoa, Bailey served as vice president, global communications, at Diebold, Inc., North Canton, Ohio, responsible for corporate internal and external programs. Previously, she was director of corporate employee communications at TRW Inc., in Cleveland, Ohio; and manager of international public relations and internal communications, Continental-General Tire in Akron, Ohio. A native of Akron, Bailey is a member of the International Association of Business Communicators. She earned a bachelor's degree in technical education from The University of Akron.

Mr. Matte joined Nevsun in February of 2003 as the Manager of Administration and Finance in Mali, West Africa. Pierre was promoted to General Manager of all Mali operations in April 2006. Pierre has a broad experience of over 15 years in overseas mining environments gained through his working experience mainly in West Africa with Anglogold on the Morila Mine in Mali, West Africa, the Kenor Group Lero /Karta mine in Guinea, West Africa , the Etruscan projects in Niger, West Africa, the Alcan/Alcoa CBG bauxite project in Guinea, West Africa and the Golden Star projects in French Guyana South America. He has acquired through the years a very good knowledge of the social and political issues associated with a mining operations in West Africa and also has a very good understanding of the finance and regulatory procedures of Mali.

Carlos Ghosn is the president and chief executive officer of Nissan Motor Co., Ltd., a global automotive company with 180,000 employees and $83 billion in revenue. Mr. Ghosn joined the company as its chief operating officer in June 1999, became its president in June 2000 and was named chief executive officer in June 2001. In May 2005, Mr. Ghosn was named president and chief executive officer of Renault S.A. in addition to his current responsibilities at Nissan. As head of the Renault-Nissan Alliance, Mr. Ghosn is responsible for two separate companies with combined annual global sales of 6.1 million vehicles. Prior to joining Nissan, Mr. Ghosn served as executive vice president of the Renault Group, a position he had held since December 1996. In addition to supervising Renault activities in the Mercosur, he was responsible for advanced research, car engineering and development, car manufacturing, powertrain operations and purchasing. Before he joined Renault, Mr. Ghosn had worked with Michelin for 18 years. As chairman and chief executive officer of Michelin North America, Mr. Ghosn presided over the restructuring of the company after its acquisition of the Uniroyal Goodrich Tire Company in 1990. Previously, Mr. Ghosn had worked as the chief operating officer of Michelin's South American activities based in Brazil; as head of research and development for industrial tires in Ladoux, France; and as plant manager in Le Puy, France. Mr. Ghosn currently serves on the board of directors of Alcoa. Mr. Ghosn was born in Brazil on March 9, 1954. He graduated with engineering degrees from École Polytechnique in 1974 and from École des Mines de Paris in 1978. He and his wife, Rita, have four children.

Joseph C. Muscari is Chairman of the Board and Chief Executive Officer of Minerals Technologies Inc. (MTI). The Board of Directors elected him to this position in 2007. Before joining MTI, Mr. Muscari was Executive Vice President and Chief Financial Officer of Alcoa Inc. from 2005 to 2007; Group President—Rigid Packaging, Foil & Asia from 2004 to 2005; Executive Vice President and Group President, Asia & Latin America from 2001 to 2004; and Vice President Environment, Health, Safety, Audit and Compliance from 1997 to 2001 of Alcoa Inc. He was also a Director of Aluminum Corporation of China Limited since June 2002. Mr. Muscari has served as Director of Minerals Technologies Inc. since January 2005.