Holcim Ltd.

Markus Akermann is Chairman of the Management Board of the Holcim Foundation, and CEO of Holcim Ltd. He studied business economics at the University of St Gallen in Switzerland and economic and social sciences at the University of Sheffield in the United Kingdom. Markus Akermann began his professional career in 1975 with the former Swiss Banking Corporation. He joined Holcim in 1978, where he has held a number of positions in Latin America and international cement trading. He has been a member of the Holcim Executive Committee since 1993, and CEO since 2002.

Roland Walker is Delegate of the Management Board of the Holcim Foundation, and Head of Corporate Communications of Holcim Ltd. He studied business administration and economics at the University of Bern in Switzerland.

Onno Ruding (Dutch national), born August 15, 1939, member of the Board of Directors, elected until 2007, and member of the Audit Committee. He studied economics at the Netherlands School of Economics (now Erasmus University) in Rotterdam (Master in 1964, Doctorate in 1969). He worked at the Ministry of Finance, The Hague (1965-1970), AMRO Bank, Amsterdam (1971-1976) and, later, as a member of the Board of Managing Directors of AMRO (1981-1982). He was elected to the Executive Board of the International Monetary Fund in Washington D.C. in 1976 and served four years. In 1982 he became the Minister of Finance in The Netherlands until the end of 1989. He became Director of Citibank in 1990 and was from 1992 until his retirement in 2003 Vice Chairman and Director of Citibank in New York. He is also President of the Board of the Centre for European Policy Studies (CEPS) in Brussels. He was elected to the Board of Directors of Holcim Ltd in 2004.

Robert L. Livingston was elected to the United States House of Representatives in a special election in 1977 - the first Republican to represent Louisiana's First Congressional District in 102 years. He was re-elected to eleven successive two-year terms. He served as a Member of the House Appropriations Committee through most of his time in Congress, and for the maximum period of six years, the House Select Committee on Intelligence. From 1995 through 1998, he served as the Chairman of the House Appropriations Committee. At the start of the 105th Congress in 1997, Mr. Livingston chaired the bi-partisan Ethics Reform Task Force, and in addition to shepherding the 13 Appropriations bills through the legislative process, was responsible for revamping the House Ethics rules. He was chosen by his peers to serve as Speaker-designate for the 106th Congress. Following his departure from Congress in February 1999, Mr. Livingston established a successful lobbying firm known as The Livingston Group in both Washington, DC and in New Orleans, LA. The Livingston Group was recently rated by Influence Magazine as the 9th largest exclusively lobbying shop in the Washington area. Mr. Livingston currently serves on the Board of Directors of Holcim, Inc. (US) and Marine Desalination Systems, Inc., as well as a number of non-profit institutions, including The Medal of Honor Foundation, IFES (International Foundation for Election Systems), and the Shakespeare Theatre of Washington. DC. He is also a member of various Boards of Advisors, both profit and non-profit. Before his almost twenty-two years in Congress, Mr. Livingston practiced law in both public and private fields for nine years. As assistant United States Attorney from 1970-1973, he served as Deputy Chief of the Criminal Division of the U.S. Attorney's Office, and was honored as outstanding Assistant U.S. Attorney shortly before his departure from the position. His experience also included serving as Chief Special Prosecutor and Chief of the Armed Robbery Division of the New Orleans Parish District Attorney's Office (1974-1975), and Chief Prosecutor for the Organized Crime Unit of the Louisiana Attorney General's Office (1975-1976). Mr. Livingston earned a Bachelor of Arts and Juris Doctorate degrees from Tulane University, and is a graduate of the Loyola University Institute of Politics. In 1981, he received an Honorary Doctorate from Our Lady of Holy Cross College in New Orleans, LA, and in 1990, an Honorary Order of the Coif from the Tulane Law School. A Navy veteran, Mr. Livingston served on active duty with the United States Navy as an enlisted man from 1961-1963, and received an honorable discharge from the U.S. Navy Reserve in 1967.

Roderick D. Gillum has been vice president, Corporate Responsibility and Diversity, for General Motors Corporation since August 1997. He is also chairman of the General Motors Foundation. He is responsible for global corporate social responsibility initiatives, which include community relations, philanthropy, business ethics, and diversity management within the corporation. In addition, Gillum is chairman of Motor Enterprises Incorporated, a subsidiary of General Motors, specializing in providing capital for GM minority suppliers. Gillum joined General Motors in 1979 and has held several executive positions. He also served in two separate capacities at Saturn Corporation, a GM subsidiary. From 1985 to 1986, he served as manager, strategic planning, and from 1988 to 1993 as vice president, general counsel, and secretary. From 1986 to 1988, Gillum was secretary to the General Motors Board of Directors where he was responsible for the preparation and maintenance of Board and committee agendas and minutes and notices to the stock exchanges. Immediately prior to his election as a vice president, his assignment was chief personnel and labor attorney. In that capacity, he was responsible for all legal matters related to personnel, labor relations, benefit plans, and worker's compensation. This included the coordination of the successful defense to the largest employee benefit case in U.S. history (Sprague vs. GM). Born in Detroit, Michigan, Gillum earned a bachelor of arts degree from Michigan State University in 1972 and a juris doctor degree from Northeastern University School of Law in Boston in 1975. After being awarded a Sloan Fellowship, Gillum received a master of science in management from the Massachusetts Institute of Technology (MIT) in June 1985. Prior to joining GM as an attorney in 1979, he was an attorney with the National Labor Relations Board in Detroit. His previous experience also included serving as administrative assistant to the late state of Michigan Senator Arthur Cartwright. Gillum was elected by his peers and serves as a Fellow in the American Bar Association's College of Labor and Employment Lawyers. He is also a recipient of the National Bar Association's prestigious Equal Justice Award. Gillum serves on the Board of Holcim, Inc.; National Urban League; Congressional Black Caucus Foundation; National Council of LaRaza; Hispanic Association Corporate Responsibility; Harvard University Kennedy School of Government Shorenstein Center; Charles H. Wright Museum of African American History (chair); The Washington D.C. Martin Luther King, Jr., National Memorial Project Foundation, Inc.; Detroit Economic Growth Corporation; Michigan Colleges Foundation; and New Detroit (vice chair).

Swiss national, born January 31, 1945. Rolf Soiron was elected Chairman of the Board of Directors on June 4, 2003. He is elected until 2007 and is Chairman of the Governance, Nomination & Compensation Committee. He studied history and art history at the University of Basel, where he obtained a doctorate in philosophy in 1972. This was followed by a Post Masters Degree at the Harvard Business School, in 1980. He began his professional career with the Sandoz Group, Basel, in 1972 where he held various positions in human resources, finance and management. In 1983 he was elected President and CEO of the Protek Group (orthopedic implants) in Berne and rejoined Sandoz in 1988 as Group Vice President Agribusiness USA based in New York. In 1992 he was appointed to the position of COO and assumed responsibility for their global pharmaceuticals business. Since 1993 Rolf Soiron has headed the Jungbunzlauer Group (leading international manufacturer of citric acid and related products), from 2002 as its Managing Director. In 1996, he accepted a part-time role as President of the Basel University Council. In 1995 he became a member of the Board of Synthes-Stratec (orthopedic and trauma implants) in the USA and since April 2003 Chairman of Nobel Biocare (dental implants). He was elected to the Board of Directors of Holcim Ltd in 1994.

Swiss national, born May 26, 1944. Willy R. Kissling is elected until 2008 and is a member of the Governance, Nomination & Compensation Committee. He obtained a doctorate in management sciences at the University of Berne and followed this with a Post Masters Degree at the Harvard Business School. His professional career began in 1970 at Amiantus Corporation, before moving to Intergips in 1978 where he went on to become CEO. From 1987 until 1996, he served as CEO and member of the Board of Directors at Landis & Gyr AG. Since then, he has been appointed to the Boards of various international corporations. Between 1998 and 2002, he was also CEO of the Unaxis Corporation. He was elected to the Board of Directors of Holcim Ltd in 1997.