Securities code refers to the code owned by each listed securities. There is a one-to-one correspondence between securities and codes. Once the codes of securities are determined, they will not change. In the past, the stock code of Shenzhen Stock Exchange was 4 digits, but now it is 6 digits like Shanghai Stock Exchange (2007).

1, Shanghai Stock Code:

Securities listed on the Shanghai Stock Exchange are compiled with 6 digits according to the Securities Coding Implementation Plan of the Shanghai Stock Exchange. The first 3 digits are different securities, as shown in the following table:

001××××× spot treasury bonds; 201××××× national debt repurchase; 110×××120××× corporate bonds; 129×××100×××××× convertible bonds; 310 ××××× treasury bond futures; 500 ××××××× 550 ××××××× Fund; 600 ×××A A shares; 700 ××××× rights issue; 710××××× share transfer; 701×××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××× 735 ××××× new fund subscription; 900×××B B shares; 737 ××××× new share placement.

2. Shenzhen Stock Code:

For the securities listed on Shenzhen Stock Exchange, it shall be implemented in accordance with the Securities Code of Shenzhen Stock Exchange, and the compilation method of 4 digits shall be adopted. The first securities variety identification code is shown in the following table:

0 ×××××× A shares; 1××××× corporate bonds, repurchase of government bonds and spot of government bonds; 2 ×××××× B shares and B-share warrants; 3 ×××××× rights issue warrants; 4 ××××× Fund; 5×××××× convertible bonds; 6 ×××××× Treasury bond futures; 7 ××××× options; 8 ×××××× share allotment warrants; 9 ×××××× new share placement