Shenzhen Jundingda New Materials Co., Ltd.

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Except for the amendments listed in the table above, all other provisions of the Articles of Association remain unchanged.

The above amendments to the Articles of Association still need to be submitted to the company’s shareholders’ meeting for deliberation. After the amendments are approved by the shareholders’ meeting, the company’s board of directors or the personnel designated by the board of directors will handle the relevant industrial and commercial change registration procedures.

The above changes and amendments to the Articles of Association shall ultimately be subject to the content approved by the industrial and commercial registration authority. The amended Articles of Association of Shenzhen Jindingda New Materials Co., Ltd. are disclosed on the same day on the website of Juchao Information.

This announcement is hereby made.

Shenzhen Jindingda New Materials Co., Ltd.

Board of Directors

March 31, 2026

Securities Code: 301538 Securities Short Name: Jindingda Announcement No.: 2026-020

Shenzhen Jindingda New Materials Co., Ltd.

Announcement on the Estimated Notional Amount for Hedging and Insurance Business

All the company and all members of the board of directors hereby warrant that the information disclosed is true, accurate, and complete, and contains no false records, misleading statements, or material omissions.

Key Highlights:

1. In order to avoid risks in the foreign exchange and raw materials markets and reduce the impact caused by fluctuations in exchange rates and raw material prices, Shenzhen Jindingda New Materials Co., Ltd. (hereinafter referred to as the “Company”) and its subsidiaries plan to carry out futures and derivative trading business for hedging purposes. Among them: (1) Foreign exchange hedging business: the Company and its subsidiaries expect that the maximum notional value of contracts held on any single trading day will be RMB 200 million or an equivalent amount in foreign currencies (US dollars, euros, etc.). Foreign exchange hedging varieties include, but are not limited to, forward settlement and sale of foreign exchange, foreign exchange swaps, foreign exchange options, interest rate swaps, foreign exchange futures, currency swaps, and combinations of the above products. (2) Commodity hedging business: the maximum amount of trading margin and premiums (including the value of collateral provided for trading, the expected credit line amounts to be used from financial institutions, margins reserved for emergency measures, etc.) that the Company and its subsidiaries plan to use will be RMB 25 million or an equivalent amount in foreign currencies (US dollars, euros, etc.). The maximum notional value of contracts held on any single trading day is expected to be RMB 80 million or an equivalent amount in foreign currencies (US dollars, euros, etc.). Commodity hedging varieties are limited to resin materials, metal wire, etc. that have a direct relationship with the Company and its subsidiaries’ production and operations, including but not limited to futures and derivatives related to raw materials such as polyester (PET), nylon (PA), polypropylene (PP), polyethylene (PE), and metal wire. The authorization period for the Company and its subsidiaries to carry out futures and derivative trading business for hedging purposes is twelve months from the date the board of directors approves it. Within the authorization period, investment amounts may be used on a revolving basis; however, the trading amount at any point during the period (including the relevant amounts from reinvesting the gains/losses from the aforementioned trades) shall not exceed the approved amount.

2. Pursuant to the rules of the Shenzhen Stock Exchange’s ChiNext Board Stock Listing Rules, the Shenzhen Stock Exchange’s Self-Regulatory Guidance No. 2 for listed companies—Standardized Operation of ChiNext Board Listed Companies, the Shenzhen Stock Exchange’s Self-Regulatory Guidance No. 7 for listed companies—Trading and Related Party Transactions, the Articles of Association of Shenzhen Jindingda New Materials Co., Ltd. (hereinafter referred to as the “Articles of Association”), and the Measures for the Administration of Hedging and Insurance Business of Shenzhen Jindingda New Materials Co., Ltd. (hereinafter referred to as the “Measures for the Administration of Hedging and Insurance Business”), etc., the foreign exchange and commodity hedging business has been deliberated and approved by the Company’s board of directors, and therefore does not require submission to the shareholders’ meeting for approval.

3. During the course of carrying out the foreign exchange and commodity hedging and insurance business, there are risks including market risk, price fluctuation risk, internal control risk, capital risk, and technical risk, among others. Investors are kindly reminded to pay attention to investment risks.

On March 27, 2026, the Company held its 12th meeting of the fourth session of the board of directors, which approved the “Proposal on the Estimated Notional Amount for Hedging and Insurance Business.” The details are as follows:

I. Overview of the Investment

(I) Foreign exchange hedging business

1. Investment purpose

The Company and its subsidiaries have certain overseas businesses and assets and liabilities. In the financial market environment where the RMB exchange rate fluctuates bidirectionally and interest rates are market-based, in order to effectively avoid and prevent adverse effects on the Company’s operations caused by substantial exchange rate fluctuations, control foreign exchange risk, and enhance financial soundness, the Company and its subsidiaries plan to conduct foreign exchange hedging business with financial institutions such as banks that have the qualifications approved by relevant government authorities to operate foreign exchange hedging business.

2. Transaction amount

Based on the Company’s asset scale and business needs, the Company and its subsidiaries expect that the maximum notional value of contracts held on any single trading day will be RMB 200 million or an equivalent amount in foreign currencies (US dollars, euros, etc.). Investment amounts may be used on a revolving basis; however, the trading amount at any point during the period (including the relevant amounts from reinvesting the gains/losses from the aforementioned trades) shall not exceed the approved amount.

3. Trading methods

The Company’s foreign exchange hedging business uses the major settlement currency types used by the Company for its production and operations, such as US dollars, euros, etc. The main products include, but are not limited to, forward settlement and sale of foreign exchange, foreign exchange swaps, foreign exchange options, interest rate swaps, foreign exchange futures, currency swaps, and combinations of the above products. The foreign exchange hedging business uses the Company’s bank’s general credit lines or margin transactions; upon maturity, principal settlement or differential settlement will be adopted.

4. Trading term

The above limit will be valid for twelve months from the date it is approved by the board of directors. Within the trading amount and trading term, the board of directors authorizes the Company’s general manager (legal representative) or its authorized agent to approve the daily foreign exchange hedging business plan and sign related contracts for the foreign exchange hedging business. Specifically, implementation and management will be organized by the Company’s finance department.

5. Source of funds

The Company uses its own funds to carry out foreign exchange hedging business and does not involve the use of raised funds or bank credit funds. Other than allocating a certain proportion of margin (or credit line) based on the agreements signed with financial institutions, no other funds are required to be投入; the margin ratio will be determined based on the products involved in the foreign exchange hedging business.

(II) Commodity futures hedging business

1. Investment purpose

The Company and its subsidiaries’ major raw materials include resin materials, metal wire, etc., including but not limited to: polyester (PET), nylon (PA), polypropylene (PP), polyethylene (PE), metal wire, etc. Fluctuations in raw material prices have a certain impact on product gross margin and operating performance. The Company and its controlling subsidiaries carry out futures hedging business for the above raw materials related to production and operations, aiming to leverage the price discovery and risk-hedging functions of the futures market to reduce the impact of raw material price fluctuations on the Company’s overall operating performance, improve the level of enterprise operations, and ensure the healthy and sustainable operation of the enterprise. The Company and its subsidiaries plan to enter into transactions with financial institutions that have been approved by relevant government authorities and have the qualifications to conduct related business.

2. Transaction amount

Based on the Company’s asset scale and business needs, the Company and its subsidiaries expect that the upper limit of trading margin and premiums (including the value of collateral provided for trading, the expected credit line amounts to be used from financial institutions, margins reserved for emergency measures, etc.) will be RMB 25 million or an equivalent amount in foreign currencies (US dollars, euros, etc.). The maximum notional value of contracts held on any single trading day is expected to be RMB 80 million or an equivalent amount in foreign currencies (US dollars, euros, etc.). Investment amounts may be used on a revolving basis; however, the trading amount at any point during the period (including the relevant amounts from reinvesting the gains/losses from the aforementioned trades) shall not exceed the approved amount.

3. Trading methods

The hedging and insurance business to be carried out is limited only to raw material varieties related to production and operations, such as resin materials and metal wire, etc., including but not limited to: polyester (PET), nylon (PA), polypropylene (PP), polyethylene (PE), metal wire, etc. Any speculative trading for the purpose of profit-making is strictly prohibited.

4. Trading term

The above limit will be valid for twelve months from the date it is approved by the board of directors. Within the trading amount and trading term, the board of directors authorizes the Company’s general manager (legal representative) or its authorized agent to approve the daily commodity futures hedging business plan and sign related contracts for the commodity futures hedging business. Specifically, implementation and management will be organized by the Company’s supply chain management department and finance department.

5. Source of funds

The funds for carrying out commodity futures hedging business are the Company’s own funds and do not involve the use of raised funds or bank credit funds.

II. Deliberation Procedures

On March 27, 2026, the Company held its 12th meeting of the fourth session of the board of directors, which approved the “Proposal on the Estimated Notional Amount for Hedging and Insurance Business.” The board agreed that the Company and its subsidiaries carry out futures and derivative trading business for hedging purposes. Among them: (1) Foreign exchange hedging business: the Company and its subsidiaries expect that the maximum notional value of contracts held on any single trading day will be RMB 200 million or an equivalent amount in foreign currencies (US dollars, euros, etc.). Foreign exchange hedging varieties include, but are not limited to, forward settlement and sale of foreign exchange, foreign exchange swaps, foreign exchange options, interest rate swaps, foreign exchange futures, currency swaps, and combinations of the above products. (2) Commodity hedging business: the Company and its subsidiaries expect that the maximum notional value of trading margin and premiums (including the value of collateral provided for trading, the expected credit line amounts to be used from financial institutions, margins reserved for emergency measures, etc.) will be RMB 25 million or an equivalent amount in foreign currencies (US dollars, euros, etc.). The maximum notional value of contracts held on any single trading day is expected to be RMB 80 million or an equivalent amount in foreign currencies (US dollars, euros, etc.). Commodity hedging varieties are limited to resin materials, metal wire, etc. that have a direct relationship with the Company and its subsidiaries’ production and operations, including but not limited to: polyester (PET), nylon (PA), polypropylene (PP), polyethylene (PE), metal wire, etc. and related futures and derivatives of raw materials.

The authorization period for the Company and its subsidiaries to carry out futures and derivative trading business for hedging purposes is twelve months from the date it is approved by the board of directors. Within the authorization period, investment amounts may be used on a revolving basis; however, the trading amount at any point during the period (including the relevant amounts from reinvesting the gains/losses from the aforementioned trades) shall not exceed the approved amount.

Pursuant to the rules of the Shenzhen Stock Exchange’s ChiNext Board Stock Listing Rules, the Shenzhen Stock Exchange’s Self-Regulatory Guidance No. 2 for listed companies—Standardized Operation of ChiNext Board Listed Companies, the Shenzhen Stock Exchange’s Self-Regulatory Guidance No. 7 for listed companies—Trading and Related Party Transactions, the Articles of Association, and the Measures for the Administration of Hedging and Insurance Business, the implementation of the Company’s hedging and insurance business matters after being approved by the board of directors is carried out without requiring submission to the shareholders’ meeting for approval.

III. Risk Analysis and Risk Management Measures for Carrying Out Hedging and Insurance Business

(I) Risk analysis for foreign exchange hedging business

The Company’s foreign exchange hedging business follows a prudent principle and does not conduct foreign exchange transactions for the purpose of speculation. All foreign exchange hedging business is based on normal production and operations, supported by specific operating businesses, and aims to avoid and prevent exchange rate risks. However, foreign exchange hedging business may also involve certain risks:

1. Market risk

When the trend of exchange rate quotations deviates significantly from the Company’s expectations, the Company’s cost expenditures after locking the exchange rate may exceed the cost expenditures without locking, thereby causing potential losses.

2. Internal control risk

Foreign exchange hedging business is highly professional and complex, and may result in risks due to inadequate internal control mechanisms.

3. Counterparty default risk

If a customer’s accounts receivable become overdue and the payment cannot be collected within the predicted collection period, it will affect the Company’s cash flow, which may lead to actual cash flows and the hedging business term or amount already executed being unable to fully match, thereby causing losses to the Company.

4. Legal risk

Changes in relevant laws or a counterparty’s violation of relevant legal systems may result in contracts being unable to be executed normally, leading to losses to the Company.

5. Counterparty default risk in foreign exchange hedging transactions

If a counterparty to a foreign exchange hedging transaction defaults and fails to pay the Company the hedging profits as agreed, the Company will be unable to hedge its actual foreign exchange loss, which will result in losses to the Company.

(II) Risk analysis for commodity futures hedging business

The Company plans to carry out commodity futures hedging business on the basis of normal production and operations, supported by specific operating businesses. This is intended to lock in the risk of fluctuations in raw material prices. Any speculation trading for the purpose of profit-making is strictly prohibited. However, carrying out commodity futures hedging business may also involve certain risks:

1. Price fluctuation risk

When futures prices change significantly, the Company may be unable to buy/sell the hedging position at the locked-in price as required or close the position at the predetermined price, resulting in losses.

2. Capital risk

Commodity futures hedging transactions adopt margin requirements and a daily mark-to-market system, which may lead to risks related to capital liquidity and risks of losses arising from forced liquidation due to failure to supplement margin in a timely manner.

3. Internal control risk

Commodity futures hedging transactions are highly professional and complex, and may result in risks due to an incomplete internal control system.

4. Technical risk

As trading systems may malfunction abnormally due to uncontrollable or unpredictable system, network, or communication failures, there are risks that trading instructions may be delayed, interrupted, or contain data errors, such as risks of system crashes, program errors, information risk, and communication failure.

5. Counterparty default risk

During the product delivery period, due to significant fluctuations in raw material price cycles, customers may deliberately breach the contract, resulting in losses to the Company’s futures trading.

(III) Risk management measures

1. Match with actual business, adhere to the principle of hedging, and strictly prohibit speculation

The commodity futures and foreign exchange hedging business the Company plans to carry out must be matched with the Company’s actual business. The purpose is mainly to avoid fluctuations in raw material prices and to prevent exchange rate risks. No transactions for the purpose of speculation will be conducted. The position size of commodity futures hedging business shall not exceed the spot demand for hedging. The holding period should be matched with the pricing period required for spot hedging; foreign exchange hedging transactions must be based on actual business needs such as forecasts of foreign currency inflows and outflows from the Company’s imports and exports, foreign currency bank borrowings, balance sheet exposure, etc. The delivery period must be matched with the timing of the hedged items.

2. Establish management systems

The Company has formulated the “Measures for the Administration of Hedging and Insurance Business,” which clearly specifies the operating principles, approval authority, management bodies, operating procedures, risk reporting, and handling procedures for carrying out hedging and insurance business, forming a relatively complete risk management system. The Company sets up a hedging and insurance business working group responsible for the specific implementation of hedging and insurance business. The supply chain management department, finance department, audit department, and other relevant responsibility departments also have clear management positioning and responsibilities. Through tiered management, a supervision mechanism is formed, fundamentally eliminating risks arising from operations by an individual or a single department alone. Under effective risk control, the company also improves its speed in responding to risks.

3. Control the scale of funds

The Company strictly controls the scale of funds for hedging and insurance business, reasonably plans and uses margin, and issues operating instructions strictly within the authority prescribed in the company’s management system. After approval is obtained in accordance with regulations, operations may be carried out.

4. Select legally qualified futures exchanges and large commercial banks

The Company carries out hedging and insurance business only with financial institutions such as legally qualified futures exchanges and large commercial banks. The Company will carefully review the contract clauses it signs, and strictly implement the risk management system to prevent legal risks and credit risks.

5. Good technical safeguards

The Company establishes trading, communication, and information service facility systems that meet requirements to ensure normal operation of the trading system and to ensure that trading work is carried out normally. When an incorrect order occurs, corresponding handling measures will be taken in a timely manner to reduce losses.

6. Strengthen customer credit management

The Company establishes a customer credit management system. Before trading, the Company conducts a credit review of the counterparties to determine that the counterparties are capable of fulfilling relevant contracts.

IV. Accounting Treatment Related to the Transactions

Based on the actual circumstances of hedging and insurance business, the Company will, in accordance with relevant provisions and guidance such as the “Enterprise Accounting Standards No. 24—Hedge Accounting,” the “Enterprise Accounting Standards No. 22—Recognition and Measurement of Financial Instruments,” the “Enterprise Accounting Standards No. 37—Presentation of Financial Instruments,” and the “Enterprise Accounting Standards No. 39—Measurement of Fair Value” issued by the Ministry of Finance of the People’s Republic of China, carry out appropriate accounting treatment for the hedging and insurance business to be carried out, and reflect the relevant items in the balance sheet and income statement.

V. Verification Opinion of the Sponsor

After verification, the sponsor is of the opinion that: the matters related to the estimated notional amount for the Company’s hedging and insurance business have been deliberated and approved at the 12th meeting of the fourth session of the board of directors, completed the necessary legal procedures, and comply with the relevant laws and regulations including the rules of the Shenzhen Stock Exchange’s ChiNext Board Stock Listing Rules and the Shenzhen Stock Exchange’s Self-Regulatory Guidance No. 2 for listed companies—Standardized Operation of ChiNext Board Listed Companies. The Company has formulated internal control and risk management systems such as the “Measures for the Administration of Hedging and Insurance Business.” The Company’s hedging and insurance business follows a prudent principle and does not engage in speculation transactions for profit-making purposes. The Company’s hedging and insurance business is based on normal production and operations, supported by specific operating business, and aims to avoid and manage risks. There is no situation that would damage the interests of the Company’s shareholders, especially the interests of minority shareholders.

In summary, the sponsor has no objection to the Company’s matters related to the estimated notional amount for hedging and insurance business.

VI. Documents for Reference

1. Resolution of the 12th meeting of the fourth session of the board of directors

2. Feasibility analysis report on the estimated notional amount for hedging and insurance business

3. “Verification Opinion of China Securities Jianyin Investment Securities Co., Ltd. (CITIC Jianyin Securities Co., Ltd.) on the Estimated Notional Amount for Hedging and Insurance Business of Shenzhen Jindingda New Materials Co., Ltd.”

This announcement is hereby made.

Shenzhen Jindingda New Materials Co., Ltd.

Board of Directors

March 31, 2026

Securities Code: 301538 Securities Short Name: Jindingda Announcement No.: 2026-021

Shenzhen Jindingda New Materials Co., Ltd.

Announcement on Convening the 2025 Annual Performance Briefing Meeting

All the company and all members of the board of directors hereby warrant that the information disclosed is true, accurate, and complete, and contains no false records, misleading statements, or material omissions.

Shenzhen Jindingda New Materials Co., Ltd. (hereinafter referred to as the “Company”) disclosed its “2025 Annual Report” on March 31, 2026. To enable a broader group of investors to further understand the Company’s operating results and financial position, the Company plans to hold a 2025 annual performance briefing meeting. The relevant matters are announced as follows:

I. Arrangements for the Performance Briefing Meeting

(I) Time of the meeting: April 10, 2026 (Friday) 15:00-16:00.

(II) Attendees: Yang Fengkai, Chairman and General Manager; Liu Yaqin, Director and Secretary of the Board of Directors; Tang Zhifeng, Independent Director; Shen Xiaoping, Independent Director; Xiao Rui, Responsible Person for Finance; Ailiwei, Representative of the Sponsor.

(III) Topics for discussion: The Company will communicate with investors regarding its 2025 operating results and financial position, and will answer questions that investors generally care about.

(IV) Meeting format: Online remote.

(V) Registration and participation method: Investors may log in to the “Yunfangtan” section of the “Interactive Yi” platform (

II. Method for Soliciting Questions

To fully respect investors and improve the efficiency of communication between the Company and investors, investors may visit

Kindly request that investors submit the questions they care about through the “Yunfangtan” section of the “Interactive Yi” platform, so that the Company can answer the questions that investors generally care about at the performance briefing meeting. During this performance briefing meeting, investors can still log into the event interface to interact and ask questions.

III. Contact Person and Consultation Methods

Contact person: Liu Yaqin, Nan Xianjing

Tel: 0755-29985520、0755-36653229

Email: ir@jddtech.com

We welcome broad investor participation.

This announcement is hereby made.

Shenzhen Jindingda New Materials Co., Ltd.

Board of Directors

March 31, 2026

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