Ascentage Pharma is listed on the Hong Kong Stock Exchange (“HKEX”) under the stock code 6855.HK and on the Nasdaq Global Market (“Nasdaq”) under the ticker symbol AAPG.
See below “What is the conversion process between HKEX and Nasdaq?” for details of the procedure for changing from ordinary shares to ADSs and from ADSs to ordinary shares between the two exchanges.
The Stock Exchange of Hong Kong (Chinese:香港联交所, SEHK, also known as Hong Kong Stock Exchange) is the stock exchange based in Hong Kong. Additional information is available at www.hkexgroup.com.
The Nasdaq Stock Market is an American stock exchange based in New York City. Additional information is available at www.nasdaq.com.
Ascentage Pharma’s ordinary shares are traded on the HKEX under the ticker symbol 6855.HK.
Ascentage Pharma's american depositary shares (ADSs) trade on Nasdaq under the ticker symbol, AAPG. ADSs are a common way for non-U.S. companies to list and trade its securities on the U.S. stock markets.
An ADS stands for American Depository Share. It is a dollar denominated equity share in a non-U.S. company held by a U.S. bank and is traded in U.S. dollars in the U.S. markets. Dividends are also paid in U.S. dollars. ADSs are designed to make it easier for U.S. investors to buy, hold, and sell foreign stocks securities in a non-U.S. company.
This ratio reflects the number of ordinary shares that correspond to one ADS. In the case of Ascentage Pharma, each ADS represents four ordinary shares.
Ordinary Share ISIN NUMBER: KYG0519B1023
ADS CUSIP NUMBER: 04390B 105
ADS ISIN NUMBER: US04390B1052
You can buy ordinary shares or ADSs through a broker, just like any other security listed on the Hong Kong Stock Exchange or U.S. stock exchanges. You may ask your broker to purchase Ascentage Pharma’s ordinary shares on HKEX or ADSs on Nasdaq. Likewise, when you decide to sell, your broker will sell the ordinary shares on the HKEX or the ADSs on Nasdaq, depending on your instructions to the broker and market conditions. If any conversion of securities is needed, it will be handled as outlined in question 10 below.
Yes, holders of ordinary shares or ADSs can purchase the other type of Ascentage Pharma security; for example, an ADS holder can buy ordinary shares on the HKEX through their broker. They can also convert some or all of their holdings between ordinary shares and ADSs. The conversion process is explained in more detail below. We recommend that shareholders consult their broker or tax adviser for guidance.

To enquire regarding transferring shares to be traded on HKEX, please contact the Hong Kong Branch Share Registrar, Tricor. To enquire regarding conversion of shares into Nasdaq-traded ADSs, please contact the ADS Depositary, JPMorgan Chase Bank, N.A. Contact information is available below.
1) How do I contact Ascentage Pharma’s depositaries?
ADS Depositary Contact Information – JPMorgan Chase Bank, N.A.
Email: jpm.adr.settlements@jpmorgan.com
2) How do I contact Ascentage Pharma’s share registrars in Hong Kong?
Hong Kong Branch Share Registrar contact information:
Tricor Investor Services Limited
17/F Far East Finance Centre
16 Harcourt Road
Hong Kong
Email Address: is-enquiries@vistra.com
Tel: +852 2980 1333
3) Principal Share Registrar contact information:
Walkers Corporate Limited
190 Elgin Avenue
George Town
Grand Cayman KY1-9008
Cayman Islands
Holders of ADSs may authorize Ascentage Pharma’s applicable depositary, JPMorgan Chase Bank, N.A., to act as a proxy in exercising voting rights in accordance with the ADS holder’s directions according to the number of ordinary shares represented by their respective ADSs.
You can request to be notified of any new updates announced here.
Ascentage Pharma’s annual report, interim report and other information can be downloaded from Ascentage Pharma’s website.
Ernst & Young Hua Ming LLP
Ascentage Pharma’ financial year ends on December 31.