NEW YORK, September 6, 2004 — Dow Jones Indexes and China Business Network Co. Ltd. (CBN), a leading professional financial-media company, launched the Dow Jones CBN China 600 Index, a broad Chinese benchmark index.

The Dow Jones CBN China 600 Index is an authoritative index covering both Shanghai and Shenzhen security markets. This partnership further strengthens Dow Jones Indexes presence in China and enhances CBN's position as a professional business and financial information provider for this market.

The Dow Jones CBN China 600 Index, which is calculated in the local currency, Chinese Reninbi, provides a rules-based index methodology consistent with the Dow Jones Global Index family, which has proven popular with market participants using the Dow Jones STOXX 600 Index.

The 600 A-share stocks included in the Dow Jones CBN China 600 Index are the largest companies listed at the Shanghai Stock Exchange and Shenzhen Stock Exchange. Companies included in the Dow Jones CBN China 600 are selected according to float-adjusted market capitalization. The indexes' free-float market capitalization is 888.5 billion Renminbi ($107.35 billion) as of Aug. 31, 2004, which is approximately 70% of China's total market capitalization. The base value of the Dow Jones CBN China 600 Index is 20,000 at Dec. 31, 2000

Real time index data will be disseminated through the major data vendors. The index will be published also on a daily basis through The Wall Street Journal, The Asian Wall Street Journal, CBN's TV media and CBN Daily newspaper.

The full list of components including weightings and values of the Dow Jones CBN China 600 Index is available on:

• http://chinaindex.dowjones.com/eng/today-data.htm (English)
• http://chinaindex.dowjones.com/gb/today-data.htm (Simplified Chinese)
• http://chinaindex.dowjones.com/big5/today-data.htm (Traditional Chinese).