A share code: 688981 A share abbreviation: SMIC Announcement No.: 2025-004

Hong Kong stock code: 00981 Hong Kong stock abbreviation: SMIC

ChinaAMC SSE STAR Market 50 Component Exchange-traded Open-ended Index Securities Investment Fund Changes in the domestic shares of SMIC

indicative announcements

China Asset Management Co., Ltd., the information disclosure obligor, guarantees that there are no false records, misleading statements or major omissions in the content of this announcement, and assumes legal responsibility for the truthfulness, accuracy and completeness of its content in accordance with the law.

Important Content Notes:

This announcement is based on the China Securities Regulatory Commission's "Innovative Enterprises Hold Shares or Depositary Receipts Issued in China after Listing".

Reminder announcement of the provisions of Section 2 of Chapter 4 of the Measures for the Implementation of Continued Supervision (Trial).

Number of changes: 2,810,281 shares.

After this change, China Asset Management Co., Ltd. (hereinafter referred to as the "Information Disclosure Obligor")

Its ChinaAMC SSE Science and Technology Innovation Board 50 Component Exchange-traded Open-ended Index Securities Investment Fund holds SMIC Integration

Circuit Manufacturing Co., Ltd. (hereinafter referred to as the "Company" or "Listed Company") 98,599,124 domestic shares,

It accounts for 4.96% of the company's total domestic share capital and 1.24% of the company's total share capital.

ChinaAMC SSE STAR Market 50 Component Exchange-traded Open-ended Index Securities Investment Fund (hereinafter referred to as the "Fund").

Fund") is an ETF listed and traded on the Shanghai Stock Exchange that closely tracks the underlying index, the SSE Science and Technology Innovation Board

The board is a 50-component index that pursues tracking difference and tracking error minimization as investment objectives. The Fund mainly collects:

Using the full replication method, the fund's stock portfolio is constructed according to the underlying index constituents and their weightings, and based on:

Changes in the underlying index constituents and their weights adjust the stock portfolio accordingly. SMIC Integrated Electric

Road Manufacturing Co., Ltd. is a constituent stock of the underlying index and the Fund's holdings in the company's shares or changes in shareholding are based on the Fund

Investment strategy to invest.

1. Basic information of the information disclosure obligor

Name of the information disclosure obligor: China Asset Management Co., Ltd

Note: No. 3 A, Anqing Street, Shunyi District, Beijing

Legal representative: Zhang Youjun

Name and shareholding ratio of major shareholders:

Shareholding unit The proportion of shareholding to total share capital

CITIC Securities Co., Ltd. 62.2%

MACKENZIE FINANCIALCORPORATION 27.8%

Tianjin Haipeng Technology Consulting Co., Ltd. 10%

Total 100%

2. Changes in the domestic issued shares of listed companies held this time

(1) Before and after this change, ChinaAMC SSE Science and Technology Innovation Board 50 component exchange-traded open-ended index securities investment

The types and quantities of issued shares of listed companies held by the fund, accounting for the total number of issued shares of listed companies in China

The proportions of the total share capital are as follows:

Shares held before this change Shares held after this change

Shareholders Nature of shares Domestic, Domestic, Domestic, Total, Share

Name Number of shares (shares) Total share capital Capital ratio Number of shares (shares) Total share capital ratio

Proportions Proportions

China 101,409,405 5.10% 1.27% 98,599,124 4.96% 1.24%

Securities and Technology Innovation Co., Ltd

Plate 50 into which: unlimited

Trading Conditions Shares 101,409,405 5.10% 1.27% 98,599,124 4.96% 1.24%

type of open portion

There is a restriction on the number of indices

Securities Investment Shares - - -

funds

(2) The time, method and number of changes in the number of issued shares held in the listed company this time

and the proportion of the issued shares of listed companies in China is as follows:

Name of shareholder Time of change Method of change Number of change (shares) Change ratio

ChinaAMC SSE Science and Technology Innovation Board 50% through securities trading

ETFs 2025-02-19 Traded 2,810,281 0.14%

Securities investment funds

Total 2,810,281 0.14%

Note: The proportion of the total domestic share capital of the listed company and the proportion of the total share capital of the listed company are rounded off.

Leave two decimal places, there may be a penny difference.

3. Other matters

(1) The company has no controlling shareholder and actual controller, and this change has not led to a change in the status of the company's no controlling shareholder and actual controller.

(2) ChinaAMC SSE STAR Market 50 Component ETF is an ETF listed and traded on the Shanghai Stock Exchange, with the investment objective of closely tracking the underlying index, the SSE STAR Market 50 Component Index, and pursuing tracking difference and tracking error minimization. The Fund mainly adopts the full replication method to construct the equity portfolio of the Fund according to the constituents of the underlying index and their weights, and adjusts the equity portfolio accordingly according to the changes in the constituents of the underlying index and their weights. Semiconductor Manufacturing International Corporation (SMIC) is a constituent stock of the underlying index, and the Fund's holdings or changes in holdings are based on the Fund's investment strategy.

The announcement is hereby made.

Information disclosure obligor: China Asset Management Co., Ltd

February 21, 2025