Notice on Technical Preparation for Cross-Market Stock ETF Full Physical Subscription and Redemption To all member units, fund companies, custodians, and relevant units: In response to business development needs, the Shenzhen Stock Exchange (referred to as "SZSE" hereafter) in conjunction with the Shanghai Stock Exchange and China Securities Depository and Clearing Corporation Limited intends to support the full physical subscription and redemption mode for cross-market stock ETFs. In order to ensure the smooth implementation of related businesses, the following technical preparation matters are hereby notified: 1. The cross-market stock ETF full physical subscription and redemption referred to in this notice means that when investors subscribe or redeem cross-market stock ETFs in the Shenzhen market, they will use Shenzhen and Shanghai stocks for subscription and redemption, while cash will still be used as a substitute for non-Shenzhen and Shanghai stocks listed on the Hong Kong Stock Exchange, Northbound Stock Connect, etc. For specific business proposals, please refer to the "Key Points of Shenzhen Cross-Market Stock ETF Full Physical Subscription and Redemption Transformation Business Plan (Draft for Testing)." 2. For technical implementation details of cross-market stock ETF full physical subscription and redemption, please refer to the "Guide for Securities Firms Technology System Changes for SZSE Cross-Market Stock ETF Full Physical Subscription and Redemption," technical interfaces include the "SZSE Binary Trading Data Interface Specification (Ver1.30)," "SZSE STEP Trading Data Interface Specification (Ver1.30)," "SZSE Fund Company Data Interface Specification (Ver1.29)," "SZSE Data File Exchange Interface Specification (Ver1.38)," and "SZSE Order Submission Rejection Reason Code Table (Ver1.02)." 3. Please ensure that all member units, fund companies, custodians, and other market participants make the necessary business and technical preparations by December 27, 2024, in accordance with the above requirements. 4. SZSE will organize simulation tests and network-wide tests at an appropriate time, and a separate test notice will be issued. This article is selected from the official website of "SZSE." GMTEight Editor: Liu Jiayin.