EN TH

To be a leading value-oriented integrated energy company in Asia-Pacific

Slide Left Slide Right

DISTINCTION IN MAINTAINING EXCELLENT CORPORATE GOVERNANCE REPORT AT SET AWARDS 2006

Ratchaburi Electricity Generating Holding Public Company Limited (RATCH) was one of the 16 companies winning the prestigious Distinction in Maintaining Excellence awards at the SET AWARDS 2006 organized by the Stock Exchange of Thailand (SET) in cooperation with Money & Banking magazine. The award aims at praising companies which have successfully maintained quality for good corporate governance report for second consecutive years.

RATCH RATED AT “EXCELLENT” FOR ITS CORPORATE GOVERNANCE REPORT

On October 27, 2006, the Thai Institute of Directors (IOD) in cooperation with the Stock Exchange of Thailand (SET) and the Office of the Securities and Exchange Commission (SEC) announced to the public the result of the evaluation of Corporate Governance Report of Thai Listed Companies 2006 and Ratchaburi Electricity Generating Holding Public Company Limited was rated at “Excellent” level. Only 9 companies were evaluated at “Excellent” level namely (according to alphabetical order of their short names in English) Banpu Public Company Limited (BANPU), Bangkok Bank Public Company Limited (BBL), Bangchak Petroleum Public Company Limited (BCP), Kasikornbank Public Company Limited (KBANK), Krung Thai Bank Public Company Limited (KTB), PTT Public Company Limited (PTT), PTT Exploration and Production Public Company Limited (PTTEP), Ratchaburi Electricity Generating Holding Public Company Limited (RATCH), and The Siam Commercial Bank Public Company Limited (SCB). The evaluation is classified into 5 levels: “Excellent”, “Very Good”, “Good”, “Satisfactory”, and “Pass”. The evaluation was made based on the information sources such as company annual report, annual registration statement (Form 56-1), notice and minutes of company’s shareholders meeting, company website, information on SET/SEC database, and other publicly available information. The evaluation criteria were developed based on the following five core principles of corporate governance of the Organization for Economic Cooperation and Development (OECD) and the Stock Exchange of Thailand: 1) Rights of shareholders, 2) Equitable treatment of shareholders, 3) Role of stakeholders, 4) Disclosure and transparency, and 5) Board responsibilities. October 27, 2006