1. Tender Conditions The tenderer for the tender project Safety and Energy-Saving Copper Conductor Rail and Other Items (AGGFGSHGZHD260309272569) was the Materials Procurement Department of the Equipment and Materials Procurement Center of Angang Steel Company Limited. The funds for the tender project were self-raised, and the project had met the tender conditions. It was now open for public tendering. 2. Project Overview and Tender Scope 2.1 Project Name: Safety and Energy-Saving Copper Conductor Rail and Other Items 2.2 Alternative Procurement Methods in Case of Tender Failure: Direct procurement, negotiation-based procurement 2.3 For the content, scope, and scale of this project tender, please refer to the attachment, Material List Attachment.pdf. 3. Bidder Qualification Requirements 3.1 Consortium bidding was not permitted for this tender. 3.2 The bidder was required to possess the following qualifications for this tender: See attachment (if required) 3.3 The bidder was required to meet the following registered capital requirements for this tender: Registered capital for manufacturers: 10.0 million yuan and above 3.4 The bidder was required to have the following performance qualifications for this tender: See attachment 3.5 The bidder was required to have the following capability requirements, financial requirements, and other requirements for this tender: Financial requirements: See attachment Capability requirements: See attachment Other requirements: See attachment 3.6 For projects that were legally required to undergo tendering, bids submitted by dishonest persons subject to enforcement were invalid. 4. Acquisition of Tender Documents 4.1 Any interested bidder should log in to the Angang Smart Tendering and Bidding Platform at http://bid.ansteel.cn to download the electronic tender documents from 10:00 on March 16, 2026 to 08:00 on April 9, 2026 (Beijing time, the same hereinafter). Click to view tender details:

Tiansteel Company focused on the core goals of “stabilizing operations, expanding markets, and improving efficiency,” proactively addressing sales bottlenecks in the market. Recently, it successfully signed a 5,000 mt steel billet futures sales contract with a client. In response to conditions in the steel market and evolving industry dynamics, the company’s sales department took the initiative to embrace change and pursue bold practices, deeply integrating futures financial instruments with spot cargo trade, and forging a new market-oriented path featuring “futures-spot linkage, controllable risk, and win-win cooperation.” Compared with the traditional “fixed-price” model

Angang Steel's product price policy for July 2025 is adjusted as follows based on the "Product Price Policy for June 2025": 1. Hot-rolled: No change. 2. Pickled: No change. 3. Cold-rolled: No change. Automotive steel remains unchanged. Additionally, the prices for Anshen High-strength Lines with grades of 590MPa, 780MPa, 980MPa, and 1180MPa remain unchanged. 4. Cold-hardened: No change. 5. Galvanizing: No change. 6. Non-oriented electrical steel: No change. 7. Color-coated: No change. 8. Medium-thickness plates: No change. 9. Wire rod: No change. 10. Rebar: No change. 11. Seamless: No change. 12. Alloy surcharge: Refer to the price list for details. Marketing Center of Angang Steel Company Limited June 11, 2025

1. Procurement Conditions The purchaser of this procurement project, the Annual Tender for Electrical Auxiliary Materials for the EPC Project of Electric Motors of Angang Steel Company Limited (AGDQGSHGXHD250611216588), is the Production Management Office of Angang Electric Co., Ltd. The funding for this procurement project is self-raised. The project now meets the procurement conditions and is open for public inquiry and comparison. 2. Project Overview and Procurement Scope 2.1 Project Name: Annual Tender for Electrical Auxiliary Materials for the EPC Project of Electric Motors of Angang Steel Company Limited 2.2 Alternative Procurement Methods in Case of Failed Tender: Transition to direct procurement or negotiated procurement 2.3 For details on the procurement content, scope, and scale of this project, please refer to the attachment "Material List Attachment.pdf". 3. Bidder Qualification Requirements 3.1 Consortium bidding is not allowed for this procurement. 3.2 Bidders for this procurement must meet the following qualification requirements: See the attachment for details (if necessary). 3.3 Bidders for this procurement must meet the following registered capital requirements: Registered capital for manufacturing enterprises: 1,000,000 yuan or above Registered capital for trading enterprises: 1,000,000 yuan or above 3.4 Bidders for this procurement must meet the following performance requirements: See the attachment for details (if necessary). 3.5 Bidders for this procurement must meet the following capability, financial, and other requirements: Financial requirements: See the attachment for details (if necessary). Capability requirements: See the attachment for details (if necessary). Other requirements: Business license. 3.6 For projects that must be tendered in accordance with the law, bids from dishonest persons subject to enforcement are invalid for this procurement. 4. Acquisition of Procurement Documents 4.1 Interested bidders are requested to log in to the Angang Smart Tendering and Bidding Platform at http://bid.ansteel.cn to download the electronic procurement documents from 10:00 on June 16, 2025, to 08:00 on June 26, 2025 (Beijing time, the same hereinafter). Click to view tender details: "Procurement Announcement for the Annual Tender for Electrical Auxiliary Materials for the EPC Project of Electric Motors of Angang Steel Company Limited"

Announcement on Negotiated Procurement of Low-Aluminum Ferrosilicon and Other Projects The procurement conditions for low-aluminum ferrosilicon and other projects have been met. We now publicly invite suppliers to participate in the negotiated procurement activities. Project Introduction 1.1 Project Name: Low-Aluminum Ferrosilicon and Other Projects 1.2 Client: Raw Material Procurement Management, Raw Fuel Procurement Center, Angang Steel Company Limited 1.3 Agency: Angang Tendering Co., Ltd. 1.4 Project Funding Status: Self-financed 1.5 Project Overview: Refer to the public attachments in the entrustment application for details 1.6 Platform and Website: Angang Smart Tendering and Bidding Platform (http://bid.ansteel.cn/TPBidder) Procurement Scope and Related Requirements 2.1 Procurement Scope: Refer to the public attachments in the entrustment application for details 2.2 Delivery Date: July 10, 2025 2.3 Delivery Location: Anshan City, Liaoning Province 2.4 Goods Quality Standards or Main Technical Performance Indicators: None Supplier Qualification Requirements 3.1 Supplier Qualification Requirements: See the attachments 3.2 Suppliers shall not be in any of the following situations: (1) Being ordered to suspend production or business operations, having their business licenses, permits, or qualification certificates temporarily suspended or revoked; (2) Entering into liquidation procedures, being declared bankrupt, or having other situations that result in the loss of contract performance capabilities; (3) For projects that must be tendered in accordance with the law, the bidder is a dishonest person subject to enforcement; (4) Other situations. Click to view tender details: 》Announcement on Negotiated Procurement of Low-Aluminum Ferrosilicon and Other Projects

1. Procurement Conditions The purchaser of this procurement project, which includes stainless steel quick-connect fittings and other items (AGGFGSHGXHD250530214097), is the Production Spare Parts Procurement Department of the Equipment and Materials Procurement Center of Angang Steel Company Limited. The funding for this procurement project is self-raised, and the project is now ready for procurement. A public inquiry and comparison is now being conducted. 2. Project Overview and Procurement Scope 2.1 Project Name: Stainless Steel Quick-Connect Fittings and Other Items 2.2 Alternative Procurement Methods in Case of Failed Procurement: Transition to direct procurement or negotiated procurement 2.3 For details on the procurement content, scope, and scale of this project, please refer to the attached "Material List Attachment.pdf". 3. Bidder Qualification Requirements 3.1 Consortium bidding is not permitted for this procurement. 3.2 For this procurement, bidders are required to meet the following qualification requirements: Please refer to the attachment for details (if necessary). 3.3 For this procurement, bidders are required to meet the following registered capital requirements: Registered capital for manufacturing enterprises: 300 (10,000 yuan) or above 3.4 For this procurement, bidders are required to meet the following performance requirements: Please refer to the public inquiry and comparison requirements for details. 3.5 For this procurement, bidders are required to meet the following capability, financial, and other requirements: Financial requirements: Please refer to the public inquiry and comparison requirements for details. Capability requirements: Please refer to the public inquiry and comparison requirements for details. Other requirements: Please refer to the public inquiry and comparison requirements for details. 3.6 For projects that must undergo tendering in accordance with the law, bids from dishonest persons subject to enforcement are invalid for this procurement. 4. Acquisition of Procurement Documents 4.1 All interested bidders are requested to log in to the Angang Smart Tendering and Bidding Platform at http://bid.ansteel.cn between 09:00 on June 3, 2025, and 13:15 on June 10, 2025 (Beijing time, the same hereinafter) to download the electronic procurement documents. Click to view tender details: 》Procurement Announcement for Stainless Steel Quick-Connect Fittings and Other Items

1. Procurement Conditions The purchaser of this procurement project, which includes items such as AC motors (AGGFGSHGXHD250529213735), is the Production Spare Parts Procurement Department of the Equipment and Materials Procurement Center of Angang Steel Company Limited. The funds for this procurement project are self-raised, and the project is now ready for procurement. A public inquiry and comparison is being conducted. 2. Project Overview and Procurement Scope 2.1 Project Name: Items such as AC Motors 2.2 Alternative Procurement Method in Case of Failed Procurement: Switch to negotiated procurement 2.3 For details on the procurement content, scope, and scale of this project, please refer to the attached "Material List Attachment.pdf". 3. Bidder Qualification Requirements 3.1 Consortium bidding is not allowed for this procurement. 3.2 For this procurement, the bidder must meet the following qualification requirements: (1) Production-type Quality Management System Certification (ISO9000) (2) Production-type Business License 3.3 For this procurement, the bidder must meet the following registered capital requirements: Registered capital for production-type enterprises: 10 million yuan or above 3.4 For this procurement, the bidder must meet the following performance requirements: The bidder is required to have a track record of supplying similar products in the iron and steel metallurgy, petrochemical, and power industries, and provide proof of such performance (all within 2022-2024). 3.5 For this procurement, the bidder must meet the following capability, financial, and other requirements: Financial requirements: Please refer to the attachment for details (if necessary). Capability requirements: Please refer to the attachment for details (if necessary). Other requirements: Please refer to the attachment for details (if necessary). 3.6 For projects that must be tendered according to the law, bids from dishonest persons subject to enforcement are invalid for this procurement. 4. Acquisition of Procurement Documents 4.1 Interested bidders are requested to log in to the Angang Smart Tendering and Bidding Platform at http://bid.ansteel.cn from 09:00 on May 30, 2025, to 08:00 on June 10, 2025 (Beijing time, the same hereinafter) to download the electronic procurement documents. Click to view tender details: 》Procurement Announcement for Items such as AC Motors

1. Procurement Conditions The purchaser of this procurement project, including items such as roller table variable frequency motors (AGGFGSHGXHD250529213738), is the Production Spare Parts Procurement Department of the Equipment and Materials Procurement Center of Angang Steel Company Limited. The funds for this procurement project are self-raised. The project now meets the procurement conditions and is open for public inquiry and comparison. 2. Project Overview and Procurement Scope 2.1 Project Name: Items including Roller Table Variable Frequency Motors 2.2 Alternative Procurement Methods in Case of Failed Procurement: Transition to direct procurement or negotiated procurement 2.3 For details on the procurement content, scope, and scale of this project, please refer to the attached "Material List Attachment.pdf". 3. Bidder Qualification Requirements 3.1 Consortium bidding is not permitted for this procurement. 3.2 This procurement requires bidders to meet the following qualification requirements: (1) Production-type Quality Management System Certification (ISO9000) (2) Production-type Business License 3.3 This procurement requires bidders to meet the following registered capital requirements: Registered capital for production-type enterprises: 10,000,000 yuan or above 3.4 This procurement requires bidders to meet the following performance requirements: Bidders are required to have a track record of supplying similar products in the steel metallurgy, petrochemical, and power industries, and provide proof of such performance (all within the period from 2022 to 2024). 3.5 This procurement requires bidders to meet the following capability, financial, and other requirements: Financial requirements: Please refer to the attachment for details (if necessary). Capability requirements: Please refer to the attachment for details (if necessary). Other requirements: Please refer to the attachment for details (if necessary). 3.6 For projects that are legally required to undergo tendering, bids from dishonest persons subject to enforcement are invalid. 4. Acquisition of Procurement Documents 4.1 Interested bidders are requested to log in to the Angang Smart Tendering and Bidding Platform at http://bid.ansteel.cn from 09:00 on May 30, 2025, to 08:00 on June 10, 2025 (Beijing time, the same hereinafter) to download the electronic procurement documents. Click to view tender details: 》Procurement Announcement for Items Including Roller Table Variable Frequency Motors

1. Procurement Conditions The purchaser of this procurement project, which includes items such as vibration motors (AGGFGSHGXHD250529213736), is the Production Spare Parts Procurement Department of the Equipment and Materials Procurement Center of Angang Steel Company Limited. The funds for this procurement project are self-raised, and the project is now ready for procurement. A public inquiry and comparison is being conducted. 2. Project Overview and Procurement Scope 2.1 Project Name: Items Including Vibration Motors 2.2 Alternative Procurement Methods in Case of Failed Procurement: Transition to direct procurement or negotiated procurement 2.3 For details on the procurement content, scope, and scale of this project, please refer to the attached "Material List Attachment.pdf". 3. Bidder Qualification Requirements 3.1 Joint bidding is not permitted for this procurement. 3.2 Bidders for this procurement must meet the following qualification requirements: (1) Production-type Quality Management System Certification (ISO9000) (2) Production-type Business License 3.3 Bidders for this procurement must meet the following registered capital requirements: Registered capital for production-type enterprises: 1,000,000 yuan or above 3.4 Bidders for this procurement must meet the following performance requirements: Bidders are required to have a track record of supplying similar products in industries such as iron and steel metallurgy, petrochemicals, and power, and provide proof of such performance (all within the period from 2022 to 2024). 3.5 Bidders for this procurement must meet the following capability, financial, and other requirements: Financial requirements: Please refer to the attachment for details (if necessary). Capability requirements: Please refer to the attachment for details (if necessary). Other requirements: Please refer to the attachment for details (if necessary). 3.6 For projects that are subject to mandatory tendering in accordance with the law, bids submitted by dishonest persons subject to enforcement are invalid. 4. Acquisition of Procurement Documents 4.1 Interested bidders are requested to log in to the Angang Smart Tendering and Bidding Platform at http://bid.ansteel.cn from 09:00 on May 30, 2025, to 08:00 on June 10, 2025 (Beijing time, the same hereinafter) to download the electronic procurement documents. Click to view tender details: 》Procurement Announcement for Items Including Vibration Motors

1. Procurement Conditions The purchaser of this procurement project, which involves items such as seamless steel pipes for structural use (AGGFGSHGXHD250530213808), is the Materials Procurement Department of the Equipment and Materials Procurement Center of Angang Steel Company Limited. The funding for this procurement project is self-raised, and the project now meets the procurement conditions. A public inquiry and comparison is now being conducted. 2. Project Overview and Procurement Scope 2.1 Project Name: Items such as seamless steel pipes for structural use 2.2 Alternative procurement methods in case of procurement failure: Transition to direct procurement or negotiated procurement 2.3 For details on the procurement content, scope, and scale of this project, please refer to the attachment "Material List Attachment.pdf". 3. Bidder Qualification Requirements 3.1 Joint bidding is not permitted for this procurement. 3.2 For this procurement, bidders are required to meet the following qualification requirements: See the attachment for details (if necessary). 3.3 For this procurement, bidders are required to meet the following registered capital requirements: Registered capital for manufacturing enterprises: 3 million yuan or above Registered capital for trading enterprises: 3 million yuan or above 3.4 For this procurement, bidders are required to meet the following performance requirements: See the attachment. 3.5 For this procurement, bidders are required to meet the following capability requirements, financial requirements, and other requirements: Financial requirements: See the attachment. Capability requirements: See the attachment. Other requirements: See the attachment. 3.6 For projects that must be tendered in accordance with the law, bids from dishonest persons subject to enforcement are invalid for this procurement. 4. Acquisition of Procurement Documents 4.1 Interested bidders are requested to log in to the Angang Smart Tendering and Bidding Platform at http://bid.ansteel.cn between 11:00 AM on May 30, 2025, and 1:00 PM on June 9, 2025 (Beijing time, the same hereinafter) to download the electronic procurement documents. Click to view tender details: "Procurement Announcement for Items such as Seamless Steel Pipes for Structural Use"