Mr. Tom Springall

Executive Vice President, Group Energy

joined TTA in September 2009. He brings more than 20 years experience in both the downstream and upstream energy industries, and has worked in a variety of different locations across the world, including more than 10 years in Asia. He started his professional career with Shell in the UK, and for the past 12 years he has worked for Hess Ltd. in several positions including Country Manager for Azerbaijan and Commercial Manager for South East Asia and Australia. During his time at Hess, he served as director for a number of companies, such as CarigaliHess, responsible for operating major gas production facilities in the Malaysia / Thailand Joint Development Area. Mr. Springall holds a B.A. in Industrial Economics from Nottingham University, UK.

Mr. Prithayuth Nivasabutr

Executive Vice President, Group Operations

joined TTA in 2008. He is also a Director of ISS Thoresen Agencies Ltd. Prior to joining TTA, he was the Managing Director of Pacific Internet (Thailand) Limited from 2000 to 2007. He was also the Country Director in Thailand for MasterCard International. He received a M.B.A. from the University of Maryland, U.S.A. in 1987, and a Bachelors Degree from George Mason University, U.S.A. in 1981. In 2004, he completed the Directors Certification Program (DCP 40/2004) by the Thai Institute of Directors Association.

Ms. Thitima Rungkwansiriroj

Executive Vice President, Group Finance and Accounting

joined TTA in August 2009. in October 2009. She joins TTA from Siam Commercial Bank Public Company Limited ("SCB"), where she was the Head of Equity Investment Division and was nominated as SCB's representative director of Shin Corporation Public Company Limited and other companies. Prior to SCB, she was Group Chief Financial Officer at GMM Grammy Public Company Limited from 2003 to 2006. She also held the position of Chief Financial Officer or senior finance and accounting positions with other leading companies in various industries, such as KGI Securities (Thailand) Public Company Limited, The East Asiatic (Thailand) Public Company Limited and First Asia Securities Public Company Limited. She holds a Master's of Science in Accounting from Thammasat University. In 2007, she completed the Directors Accreditation Program (DAP 66/2007) by the Thai Institute of Directors Association.

M.L. Chandchutha Chandratat

President & Chief Executive Officer

is the President & Chief Executive Officer of TTA. His biography appears in the section "Board of Directors".

Ms. Penroong Suwannakudt

Vice President, Group Human Resources

joined TTA in 2008. She became a director of Unique Mining Services Pcl. in October 2009. Prior to joining TTA, she was Head of Human Resources, Consumer Banking in Standard Chartered Bank (Thai) Pcl. from 2003 to 2008, and Country Personnel Manager at Bank of America, Thailand from 1993 to 2003. Mrs. Penroong received a Diploma in Human Resources Management from Sasin Graduate Institute of Business Administration of Chulalongkorn University in 1999 and a B.A. in Social Work from Thammasart University in 1985.

Mr. John Crane

Executive Vice President, Group Strategy

was assigned to Mermaid Maritime Public Company Limited as Chief Financial Officer in March 2007 to manage its IPO. Following Mermaid's successful listing on the Singapore Exchange, he was reassigned to TTA in October 2008. His professional experiences include serving as a Director at Aspire Pacific Ltd., Hong Kong, an advisory firm specialising in strategic consultancy, business development, and private equity since 2004, and as an executive at JP Morgan in New York, Hong Kong, and Thailand from 1992 to 2004. Prior to his years at JP Morgan, Mr. Crane held business development positions for United Technologies, Singapore and Unico (Japan), based in Shanghai. A graduate of the Lauder Institute at University of Pennsylvania, he earned a M.B.A., Finance from the Wharton School, and M.A., International Studies, University of Pennsylvania in 1990, and a B.A. in International Relations from Pomona College in 1983.

Mr. David Lawrence Ames

Executive Vice President, Transport Group

joined TTA in February 2009 . He was the Chief Executive of Zuellig Pharma, Korea from 2005 to 2007, General Manager of Metro Drug Inc., Philippines from 2003 to 2005, and Managing Director of American President Lines ("APL"), Indonesia from 2001 to 2003. Prior to this, Mr. Ames held various positions within APL. Mr. Ames holds a B.A. in Political Science from Northwestern University, USA. He also completed executive education programs in Supply Chain Management from Stanford University in 1999 and Advance Management from INSEAD, Fontainebleau, France in 2005.

Mr. Vichai Chuensuksawadi

Executive Vice President, Group Infrastructure

joined TTA in July 2010. Prior to joining TTA, Mr. Vichai worked for global logistics leader United Parcel Services ("UPS") for 18 years. At UPS, he started with the position of Managing Director - Thailand and Indochina (Myanmar, Laos, Cambodia, and Vietnam), and then Managing Director for Thailand, Malaysia and Indochina. He was then appointed as VP- Business Development, Asia Pacific and took charge of UPS business development and customer service across the region. His last position at UPS was Vice President - Regional Strategy and Retail Business, Asia Pacific, where he was assigned to develop strategic initiatives and increase retail networks and channels for UPS.

Ms. Urai Rogers

Executive Vice President, Group Risk, Internal Audit, and Compliance

joined TTA in July 2010. Ms. Urai worked for the Dow Chemical Company, which is one of the world's largest chemical, plastics, and agricultural products companies. She started as Country Controller and Corporate Secretary for all Siam Cement-Dow joint venture companies in Thailand. In 2002, she was promoted to Senior Corporate Audit Project Manager, leading the audit teams in performing internal audits on a global basis from Dow's head office in Michigan. Her last position was Country Manager - Indonesia, in which she directed all business operations throughout Indonesia.