Bangkok--21 Jun--SET Total Access Communication PCL (DTAC), a major wireless telecommunication service provider, will become the Thai bourse’s first dual listing on June 22, 2007. The company’s initial public offering (IPO) is expected to boost total market capitalization by THB 94 billion (about USD 2.71 billion). The Stock Exchange of Thailand (SET)’s Board of Governors has approved the listing of Total Access Communication PCL’s securities in the Information & Communication Technology Sector, Technology Industry Group. The securities will commence trading on June 22, 2007, using “DTAC” as their trading symbol, SET President Ms. Patareeya Benjapolchai said. “It is a great pleasure for us to welcome DTAC, as a company incorporated and operating in Thailand, to list in its home country. The firm has been listed in Singapore and its listing on SET gives Thais the opportunity to share in the ownership and success of the nation’s second-largest mobile phone service provider. The company was triply over-subscribed on demand from institutional investors at its IPO and is expected to join the top 15 largest stocks on the bourse as its IPO is worth THB 94 billion market capitalization,” Ms. Patareeya noted. “The Exchange’s plans to link with other exchanges in the region will provide more quality products for investors. DTAC’s listing is an important step and demonstrates the readiness of the Thai market for cross-border competition and future dual listings, Ms. Patareeya added. DTAC has THB 4,744.16 million in paid up capital (about USD 136.72 million), made up of 2,290.08 million ordinary shares plus another 82 million in capital increase, each with a par value of THB 2.00. DTAC stated in its prospectus that, at its IPO during June 12 — 15 and June 18, the company would offer 222 million shares, comprising 82 million shares in capital increase and 140 million held by United Communication Industry PCL (UCOM). These shares went to local and foreign institutions (77.7 million shares), retail investors (77.7 million shares), individuals (51.06 million shares), DTAC employees (11.1 million shares) and the company’s patrons (4.44 million shares).DTAC’s IPO share price of THB 40.00 was derived from a market price-weighted average based on the company’s share price on Singapore Exchange. The firm raised about THB 3,280 million from IPO. The company provides a range of voice, non-voice and other value-added services through GSM1800 network. Currently it is Thailand’s second-largest mobile phone service provider. As of March 31, 2007, DTAC had 13.3 million subscribers, representing 30.7% market share in terms of customers, and 31.8% in terms of revenue. After the IPO, DTAC’s principal shareholders are UCOM, Thai Telco Holdings and Telenor Asia Pte. Ltd., who hold 35.74%, 17.76% and 15.64% of the company’s paid-up capital respectively. The firm’s dividend policy is to pay no less than 30% of its net profits after legal reserves and subject to liquidity and capital requirements. Kasikorn Securities PCL acted as their financial advisor. For more information on DTAC, please visit its corporate website at www.dtac.co.th , SET’s website at www.set.or.th , SETTRADE.Com’s website at www.settrade.com , or call SET Call Center 0-2229-2222. For more information, please contact the Corporate Communications Dept.: Ladawan Kantawong Tel: 0-2229-2036 / Sarinluck Jitkawong Tel: 0-2229-2037 / Nattaporn Boonprapa Tel: 0-2229-2049 / Watsamon Saowakhonsathien Tel: 0-2229-2797