Dear Users: Hello! To better leverage the role of spot prices in the manganese industry as a benchmark and assist the market in optimizing its order signing mechanism, SMM, after a period of accumulation and market surveys, intends to advance the release time of spot prices for EMM (Guangxi), EMM (Hunan), EMM (Guizhou), EMM (bagged, Shanghai), EMM (barreled, Shanghai), EMM (main producing areas), EMM (Tianjin Port), EMM (Huangpu Port), and EMM FOB prices to 10:30 AM each working day, starting from August 5, 2025. This announcement is hereby made. Manganese Research Team, SMM August 4, 2025

In recent years, Guinea has played a pivotal role in the global bauxite market, standing as the world's largest bauxite producer. In 2024, the country exported 1.23 billion tons of bauxite, with approximately 90% destined for China, making it the most critical source of bauxite imports for China. The remainder was exported to regions such as India (3%) and Europe (1%). Against the backdrop of tight shipping capacity and the significant impact of freight and bunker adjustment costs on landed costs, SMM is responding to the strong focus from industry chain participants on FOB prices for Guinean bauxite. To more accurately reflect the intrinsic value of bauxite and refocus market attention from CIF prices (which include freight) to FOB prices themselves, SMM has decided to： Commencing November 7, 2025, SMM will officially launch one new price: Guinea Bauxite FOB (Al2O3: 45%, SiO2: 3%, FOB Guinea, $/dmt) Details of this price point are as follows: Shanghai Metals Market Aluminum Research Departmen 6th November, 2025

Indonesia holds over 60% of the world's nickel reserves and plays a central role in nickel resource supply and processing. In 2023, Indonesia achieved a breakthrough in refined nickel exports, increasing from zero to substantial volumes, with exports reaching 43,600 mt in 2024. New refined nickel projects are currently under construction, and Indonesia's refined nickel capacity is expected to increase to 180,000 mt by 2026. Future exports are anticipated to expand further, making Indonesia's refined nickel price trends significantly influential in the global nickel market. To actively respond to changes in the Indonesian refined nickel market, meet the urgent needs of users for Indonesian refined nickel FOB prices, and enhance market information transparency, SMM has decided: Starting from September 19, 2025, to publish the‘SMM Indonesia Refined Nickel, FOB Indonesia, USD/tonne’price Price details are as follows: Description: SMM Indonesia Refined Nickel, FOB Indonesia, USD/tonne Quality: Ni 99.80% min Definition: FOB Indonesia main ports Unit: USD/tonne Quantity: Min 30 tonnes Timing: 1-3 months Payment Terms: L/C/TT at sight in USD , or other payment terms normalized Publication: Weekly, Friday 10:30 AM Jakarta Time

As the world's largest exporter of tin ingots, Indonesia plays a significant role in the global tin industry landscape. Its tin ingot exports impact the international market structure. In recent years, Indonesia's tin ingot exports have fluctuated due to factors such as policy adjustments and changes in resource reserves. Against this industry backdrop, timely Indonesia tin FOB prices are crucial for upstream and downstream enterprises in the global tin industry chain. In response to market changes, to meet the broad user demand for Indonesia tin ingot FOB price discovery, and to enhance market information transparency, SMM has decided: Starting from September 19, 2025, to publish the ‘SMM Tin 99.9% Ingot premium, FOB Indonesia, USD/tonne’ price. Price details are as follows: - Description: SMM Tin 99.9% Ingot premium, FOB Indonesia, USD/tonne - Quality: Tin ingot with 99.9% purity, conforming to LME specification (BS EN 610:1996) and containing 200 - 300 ppm lead. - Definition: FOB Indonesia, excluding tax, premium on top of LME cash prices - Unit: USD/tonne - Quantity: Min 5 tonnes - Timing: Within 2 weeks - Payment Terms: Cash against document, telegraphic transfer, other terms normalized - Publication: Weekly, Friday 10:30 AM Beijing Time SMM Tin Industry Research Department September 12, 2025

To Valued Customers Dear Customers, To fully cover the price information across all links of the tungsten industry chain, accurately reflect the spot market trends of products such as low-grade tungsten concentrate, tungsten products, photovoltaic tungsten wire busbars and tungsten scrap, and help enterprises upstream and downstream of the industrial chain keep abreast of market changes and reduce trading risks, we have decided to add 11 new tungsten industry chain - related price points after conducting sufficient market research and in-depth communication with the industry. The new price points are detailed as follows: Scheelite Concentrate (25%-30% WO₃) : Compliant with the industrial standards applicable in Henan, Guangxi and Hunan regions. It refers to scheelite concentrate with a WO₃ content ranging from 25% to 30%. Unit: RMB per ton-unit of WO₃. Scheelite Concentrate (23%-25% WO₃) : Compliant with the industrial standard YS/T 231 - 2015. It refers to scheelite concentrate with a WO₃ content ranging from 23% to 25%. Unit: RMB per ton-unit of WO₃. Ammonium Metatungstate (AMT) : Compliant with the national standard GB/T 26033 - 2010. Its technical indicators are as follows: WO₃ content ≥ 81.5%, Fe content ≤ 0.0020%, Pb content ≤ 0.0001%, and Si content ≤ 0.0015%. Unit: RMB per ton. Wire-Drawing Tungsten Bar : Compliant with the requirements of the national standard GB/T 3459 - 2022, with a tungsten (W) content ≥ 99.95%. Unit: RMB per kilogram. Steelmaking Tungsten Bar : Compliant with the requirements of the national standard GB/T 3459 - 2022, with a tungsten (W) content ≥ 99.95%. Unit: RMB per kilogram. Cut-Resistant Tungsten Wire for Photovoltaic Applications (24μm - 30μm) : With a tungsten (W) content ≥ 99.95%, a diameter ranging from 24μm to 30μm, and a tensile strength of ≥ 3500MPa. Unit: RMB per kilometer. The above - listed prices are all ex - factory pick - up prices including 13% value - added tax (VAT). Details of the 5 New Tungsten Scrap Price Points Scrap Button Bits : Compliant with the quality requirements for cemented carbide scrap specified in the national standard GB/T 21182 - 2022. Unit: RMB per kilogram. Scrap Anvils : Compliant with the quality requirements for cemented carbide scrap specified in the national standard GB/T 21182 - 2022. Unit: RMB per kilogram. Scrap Roller Rings : Compliant with the quality requirements for cemented carbide scrap specified in the national standard GB/T 21182 - 2022. Unit: RMB per kilogram. Scrap Tungsten Chips/Wires : Compliant with the requirements of the national standard GB/T 26496 - 2011 Tungsten and Tungsten Alloy Scrap . It has a tungsten content ≥ 90% and no other inclusions. Unit: RMB per kilogram. Scrap Tungsten Blocks/Sheets : Compliant with the requirements of the national standard GB/T 26496 - 2011 Tungsten and Tungsten Alloy Scrap . It has a tungsten content ≥ 90% and no other inclusions. Unit: RMB per kilogram. The five tungsten scrap prices mentioned above are all excluding VAT. Effective Date The above - mentioned new price points will be officially released starting from November 21, 2025 and updated on each working day. The launch of these new price points aims to achieve more refined classification by region and grade. All the new price points are formulated based on mainstream industrial trading specifications and terms, which have been verified through a standardized price - data collection process. They are for market reference only and do not constitute trading decision - making advice. For details on the pricing methodology and specific product specifications, please visit our official platform. If you have any questions, please feel free to contact Li Jiahui from SMM Tungsten and Molybdenum Analysis at 021 - 51666882.

Dear User, Greetings! With the rapid development and continuous technological iterations in the solid-state battery industry, solid-state batteries have garnered increasing attention. As indispensable key materials for solid-state batteries, the market demand for sulfide electrolytes and oxide electrolytes is also surging accordingly. The quality of pentaphosphorus pentasulfide and lithium bromide, important raw materials for sulfide electrolytes, plays a significant role in influencing sulfide electrolytes. In the realm of oxide electrolytes, the application status of LLZO (lithium lanthanum zirconium oxide) in the semi-solid and solid-state battery markets is gradually rising. SMM is committed to supporting upstream and downstream enterprises in the solid-state battery industry chain, helping them gain comprehensive insights into the market dynamics of solid-state battery electrolytes. By providing real-time and accurate spot cargo and price information, we assist enterprises in effectively reducing risks and costs in market transactions, enhancing their core competitiveness and market adaptability. Simultaneously, SMM actively delves into research on the solid-state battery industry chain, striving to build a more transparent, fair, and efficient market environment for the industry through deepened industry analysis and continuous improvement of the knowledge system. After a period of consolidation and market surveys, SMM plans to introduce two important raw materials for sulfide electrolytes in solid-state batteries—pentaphosphorus pentasulfide and lithium bromide—along with a new price point for oxide electrolyte LLZO, starting from January 28. Details are as follows: Pentaphosphorus pentasulfide: P2S5 content ≥99.9%, Lithium bromide: LiBr content ≥99.9% Oxide electrolyte LLZO: powder, D50 ≤1μm. Price note: The above three product price points are all delivery-to-factory prices, inclusive of 13% VAT. Shanghai Metals Market New Energy Research Team January 24, 2026

Against this backdrop, SMM will begin publishing the US Midwest DDP aluminum premium starting February 27, 2026. Through daily market communication, SMM will introduce ......

To better serve industrial clients and stay closer to the market, SMM is adding 6 new scrap copper price assessments for Japan/US regions, officially launching on 16/1/2026. 1. New Price Points Copper Scrap - East Asia - Japan Millberry CIF China - Japan Millberry CIF China Taiwan - Japan Millberry CIF Korea Copper Scrap - America - United States Millberry CIF Japan - United States No.1 Copper Material CIF Japan - United States No.2 Copper Material CIF Japan 2. SMM Price Methodology General Principles Shanghai Metals Market (hereinafter referred to as "SMM") is a completely independent third-party service provider that does not participate in any actual transactions. Instead, SMM maintains close communication with buyers and sellers as a market observer or organizer and provides related services to the market. This document sets forth the standards for SMM's East Asia and US scrap copper price assessments. The purpose of establishing these standards is to create a transparent and verifiable SMM price formation mechanism. 3. Formation of SMM East Asia and US Scrap Copper Price Assessments 3.1 Significance of the Assessments In recent years, Japan and the United States have continued to play important roles in the global scrap copper trading system. Their export prices for berry copper and copper scrap hold strong reference value for major Asian consumer markets. Due to differences in origin quality structure, trade flows, and regional demand, actual transaction prices vary across different destinations. To more accurately reflect the true price levels of Japanese and US scrap copper in cross-regional circulation, reduce information asymmetry risks, and help upstream and downstream enterprises more reasonably evaluate procurement costs and formulate trading strategies, SMM plans to add price points including Japan Berry Copper CIF China, Japan Berry Copper CIF South Korea, Japan Berry Copper CIF Taiwan China, US Berry Copper CIF Japan, US No.1 Copper CIF Japan, and US No.2 Copper CIF Japan. These will be collected according to a unified methodology and publicly released to the market for industry reference. SMM price members will be able to access relevant historical price data simultaneously. 3.2 SMM East Asia and US Scrap Copper Price Assessment Methodology 3.2.1 Product Specifications and Standards Currently, scrap copper reference standards follow ISRI standards. If changes occur, SMM will revise accordingly based on actual circumstances. 3.2.2 Price Terms Prices are CIF indicative prices, expressed as a coefficient (%) unit. 3.2.3 Payment Terms Prices reflect payment conditions including TT or other conventional payment methods. 3.2.4 Quote Format and Timing Quoted prices are in range format, showing minimum and maximum prices. For example: Japan Millberry CIF China: 97.5%-98%. New price points will be assessed weekly. SMM will publish prices on the website front page at 3:30 PM on the last day of each working week. 3.2.5 Data Collection Method According to the data collection confirmation agreement, SMM price analysts will regularly collect price information from scrap copper industry contacts in Japan through telephone, WeChat, email, and other methods. This price information includes completed transaction prices and the most likely anticipated transaction prices expected by the enterprise. All instant messaging content and any face-to-face communication records will be archived telephone communication details will be recorded and entered into the database. SMM analysts must comply with the Compliance System when reporting to their supervisors any coerced or threatened communications from market participants, or any inducements attempting to influence assessments. After price publication, SMM will not make corrections or adjustments on that day. 3.2.6 Data Standardization Although SMM has standardized definitions for our prices, market transactions exist in various forms. Each transaction price is influenced by numerous factors, including order size, material brand, delivery time, payment terms, etc. SMM will comprehensively consider market quotes, bids, and transaction information and align them with our standards. We welcome more relevant enterprises along the industry chain to participate in and support SMM in better serving scrap copper industry-related enterprises. For any questions, please contact us. Shanghai Metal Market Copper Department - Aw Yong Yi Cheong Contact: +6011-25798397 Email add: awyong.yicheong@smm.cn

1. SMM 8μm Lithium Battery Copper Foil premium, cif Korea, $/tonne Methodology 1.1 General Principles of SMM Price Assessment Methodology SMM (hereinafter referred to as SMM) is a completely independent third-party service provider that does not participate in any substantive transactions. Instead, it maintains close communication with buyers or sellers in transactions as a market observer or organizer, and provides relevant services to the market. SMM continuously formulates, reviews, and revises its methodologies through communication with industry insiders, adopting the most common product specifications, trade terms, and trade conditions in the industry. It attaches equal importance to normal transactions that meet the specification standards. SMM reserves the right to exclude any price data information deemed to be of poor reliability or non-representative from its price assessments. SMM publishes daily spot metal prices (or price indices, including those for the Chinese market, markets outside China, and global markets), commonly referred to as SMM prices. For each published SMM price, SMM has established a corresponding methodology (all of which are available for reference on SMM’s official website, www.smm.cn). The methodology specifies the methods and procedures for generating and publishing SMM prices, and SMM strictly adheres to these provisions when producing and releasing SMM prices. To align with the actual conditions of the spot market, SMM may make necessary revisions to its price assessment methodology. Such revisions will be announced on SMM’s official website, www.smm.cn, 28 days prior to their formal implementation. For any questions or suggestions regarding SMM prices or their methodology, please contact SMM customer service (contact information can be found on SMM’s official website, www.smm.cn). This document outlines the standards for establishing SMM 8μm Lithium Battery Copper Foil premium, cif Korea, $/tonne. The purpose of SMM in developing this standard is to establish a transparent and verifiable mechanism for SMM price determination. The SMM Benchmark Management Committee also regularly reviews the methodology and its assessment and publication processes. This committee oversees SMM’s methodology and compilation process, ensuring that the prices or indices reflect, as accurately as possible, the objective conditions of the physical spot market for the relevant commodities. If the committee identifies any issues, it will promptly highlight them and propose external consultation and revisions to the current methodology or processes, thereby enhancing the quality of the prices or indices published by SMM. The committee may only propose modifications to the methodology and procedures used for future price or index assessments it cannot alter already published prices or indices. 2. Formation of SMM 8μm Lithium Battery Copper Foil premium, cif Korea, $/tonne 2.1 Significance of the Price Assessment In recent years, with the implementation of domestic and overseas NEV policies and the rapid expansion of NEV production, copper foil used as the anode carrier in lithium-ion batteries has shown a surge in demand. Meanwhile, the new infrastructure wave represented by 5G, along with rapid developments in artificial intelligence, big data, and automotive electronics, has driven increasing demand for copper foil in related electronic circuit industries. The copper foil industry is also advancing toward higher precision, density, and reliability. As industry capacity rises and develops, and enterprises expand into overseas markets such as South Korea, there is a growing need for a fair and standardized operating environment. Copper foil processing fees, beneficial for long-term risk control and management, play a crucial role in the industry's development. In light of this, SMM will officially launch weekly SMM 8μm Lithium Battery Copper Foil premium, cif Korea, $/tonne starting December 26, 2025, at which time SMM price members will be able to simultaneously access historical prices. 2.2 SMM 8μm Lithium Battery Copper Foil premium, cif Korea, $/tonne Price Assessment Methodology 2.2.1 Product Specifications and Standards Given the wide variety of copper foil specifications, SMM uses the 8μm with the largest market share for copper foil premium assessments. The premium assessment adopts 8μm thickness product width: 700-1,000 mm product type: Power Battery with Ordinary Tensile Strength. KS C 2211-2002 Electrolytic Deposit Copper Foil for Printed Circuits standard. 2.2.2 Price Terms The price is a VAT-excluded CIF price at major ports in Korea based on the premium over LME CSP, with a quotation period of M+0 (M M stands for arrival month), quoted in USD per metric ton. 2.2.3 Payment Terms The price assessment reflects payment terms for cash transactions in the month of the transaction. Reference is made to major international payment methods (including D/P documents against payment, D/A documents against acceptance, T/T telegraphic transfer, etc.). If significant deviations from this standard occur, SMM will consider whether to exclude individual samples based on trade volume. For forward payments or letter of credit payments, SMM will adjust based on prevailing interest rates to align with this standard. 2.2.4 Delivery Time Within 4 weeks. 2.2.5 Reference Transaction Volume Min 25 tonnes. 2.2.6 Delivery Location Major Ports in Korea. 2.2.7 Price Publication Time Weekly, last trading day of the week, by 1pm Seoul time. 2.2.8 Price Format The assessed price are presented as a range, indicating the lowest and highest prices. For example: 8μm Lithium Battery Copper Foil premium, cif Korea, $/tonne range 3,000-4,000 $/tonne, average: 3,500 $/tonne. 2.2.9 Price Collection Method SMM will, in accordance with the price collection confirmation agreement, have price analysts regularly collect price information from copper foil industry price contacts via phone, QQ, WeChat, fax, and email. This price information includes concluded transaction prices, the enterprise's expected most likely pending transaction prices, etc. All instant messaging content, email communications, and any records of face-to-face communications will be archived details of phone communications will be recorded and entered into the database. SMM analysts must comply with the Compliance System when reporting any forced or threatened communications from market participants, or any induced offers attempting to influence the assessment. Once published, SMM will not revise or adjust the price on the same day. 2.2.9.1 Assessment (Calculation) of Published Prices Step-1: The final dataset from the previous chapter, which exists as a processing fee range, is split into several lower limit values and several upper limit values for two different types of enterprise classifications in this methodology version: copper foil producers and downstream end-users. Arithmetic averages are calculated for both sets and rounded to the nearest whole number. Among these: - When both transaction information and offer/counteroffer information are present, the weight of transaction information is set at 60%, and offer/counteroffer information at 40%. - When transaction information, offer/counteroffer information, and other information are all present, the weight of transaction information is set at 50%, offer/counteroffer information at 40%, and other information at 10%. - When only offer/counteroffer information and other information are present, the weight of offer/counteroffer information is set at 90%, and other information at 10%. Step-2: The two price ranges derived from the previous step, which exist as processing fee states, are split into two lower limit values and two upper limit values. Weights are applied, and weighted averages are calculated, then rounded to the nearest whole number. In this methodology version, copper foil producers are weighted at 50%, and downstream enterprises at 50%. Step-3: The relevant calculation coefficients above will be adjusted every six months to ensure timeliness. 2.2.9.2 Data Standardization Although SMM has standardized definitions for our prices, diversity exists in market transactions. The price of each transaction is influenced by numerous factors, including order size, brand of goods, delivery time, payment terms, etc. SMM will comprehensively consider market offers, bids, and transaction information, aligning them with our standards. Each price datum will be electronically recorded or accompanied by written records. All electronic and paper records must be archived by price collection personnel and retained long-term (at least 5 years) in secure network and physical environments. For details, please refer to the SMM Data Retention Policy. 2.2.9.3 Price Assessment Process The specific process is as follows: 2.3 Methodology Changes All markets change, and SMM has a responsibility to ensure that the methodology for market reports evolves with the market. Therefore, SMM will regularly conduct internal reviews of the methodology's appropriateness based on industry feedback. For all substantive but non-urgent potential modifications, SMM will follow a formal external consultation process. Major changes will then be announced with a notice period of at least 28 days, inviting industry comments, unless special circumstances, particularly force majeure (natural disasters, war, exchange bankruptcy, etc.), necessitate a shorter notice period. SMM is committed to carefully considering all comments on proposed methodology changes, but in some cases, it may be necessary to proceed with changes contrary to the wishes of some market participants. Additionally, SMM has a formal methodology consultation process. SMM commits to holding a formal consultation on the methodology every three years. The date of the last consultation and the deadline for the next consultation committed by SMM are located at the top of the methodology document. 2.4 Compliance with SMM Policies All relevant SMM employees must not only comply with the methodology published by SMM but also adhere to SMM's internal standards and policies. These include: SMM Conflict of Interest Policy, SMM Whistleblower Policy, SMM Error Correction Policy, SMM Methodology Review Consultation and Change Policy, SMM Complaints Policy, etc. Welcome more relevant enterprises in the industry chain to participate and support SMM in better serving related enterprises in the copper foil industry chain. For inquiries, please contact: Shanghai Metals Market Copper Research Team, Shanyu Jiang Contact: 021-20707916, +86 15615750662

1. SMM 8μm Lithium Battery Copper Foil premium, CIF US, USD/tonne Methodology 1.1 General Principles of SMM Price Assessment Methodology SMM (hereinafter referred to as SMM) is a completely independent third-party service provider that does not participate in any substantive transactions. Instead, it maintains close communication with buyers or sellers in transactions as a market observer or organizer, and provides relevant services to the market. SMM continuously formulates, reviews, and revises its methodologies through communication with industry insiders, adopting the most common product specifications, trade terms, and trade conditions in the industry. It attaches equal importance to normal transactions that meet the specification standards. SMM reserves the right to exclude any price data information deemed to be of poor reliability or non-representative from its price assessments. SMM publishes daily spot metal prices (or price indices, including those for the Chinese market, markets outside China, and global markets), commonly referred to as SMM prices. For each published SMM price, SMM has established a corresponding methodology (all of which are available for reference on SMM’s official website, www.smm.cn). The methodology specifies the methods and procedures for generating and publishing SMM prices, and SMM strictly adheres to these provisions when producing and releasing SMM prices. To align with the actual conditions of the spot market, SMM may make necessary revisions to its price assessment methodology. Such revisions will be announced on SMM’s official website, www.smm.cn, 28 days prior to their formal implementation. For any questions or suggestions regarding SMM prices or their methodology, please contact SMM customer service (contact information can be found on SMM’s official website, www.smm.cn). This document outlines the standards for establishing SMM 8μm Lithium Battery Copper Foil premium, CIF US, USD/tonne. The purpose of SMM in developing this standard is to establish a transparent and verifiable mechanism for SMM price determination. The SMM Benchmark Management Committee also regularly reviews the methodology and its assessment and publication processes. This committee oversees SMM’s methodology and compilation process, ensuring that the prices or indices reflect, as accurately as possible, the objective conditions of the physical spot market for the relevant commodities. If the committee identifies any issues, it will promptly highlight them and propose external consultation and revisions to the current methodology or processes, thereby enhancing the quality of the prices or indices published by SMM. The committee may only propose modifications to the methodology and procedures used for future price or index assessments it cannot alter already published prices or indices. 2. Formation of SMM 8μm Lithium Battery Copper Foil premium, CIF US, USD/tonne 2.1 Significance of the Price Assessment In recent years, with the implementation of domestic and overseas new energy vehicle policies and the rapid expansion of NEV production, copper foil used as the anode carrier in lithium-ion batteries has shown a surge in demand. The wave of new infrastructure represented by 5G, along with rapid developments in artificial intelligence, big data, and automotive electronics, has increasingly expanded the demand for copper foil in related electronic circuit industries. The copper foil industry is also moving towards higher precision, density, and reliability. With the rise and development of industry capacity, overseas markets such as the US increasingly require a fair and standardized operating environment. Copper foil processing fees have long been beneficial for enterprises to control risks and facilitate management, playing a crucial role in the industry's development. In view of this, SMM will officially launch weekly price assessments for 8μm Lithium Battery Copper Foil premium, CIF US, USD/tonne starting October 10, 2025. SMM price members will be able to simultaneously access historical prices at that time. 2.2 SMM 8μm Lithium Battery Copper Foil premium, CIF US, USD/tonne Price Assessment Methodology 2.2.1 Product Specifications and Standards Given the wide variety of copper foil specifications, SMM uses the 8μm with the largest market share for copper foil premium assessments. The premium assessment adopts 8μm thickness product width: 700-1,000 mm product type: Power Battery with Ordinary Tensile Strength. 2.2.2 Price Terms The price is a VAT-excluded CIF price at major ports on the US east coast based on the premium over LME CSP, with a quotation period of M+0 (M being the month of shipment), quoted in US dollars per metric ton. 2.2.3 Payment Terms The price assessment reflects payment terms for cash transactions in the month of the transaction. Reference is made to major international payment methods (including D/P documents against payment, D/A documents against acceptance, T/T telegraphic transfer, etc.). If significant deviations from this standard occur, SMM will consider whether to exclude individual samples based on trade volume. For forward payments or letter of credit payments, SMM will adjust based on prevailing interest rates to align with this standard. 2.2.4 Delivery Time Within 2 months. 2.2.5 Reference Transaction Volume Min 25 tonnes. 2.2.6 Delivery Location Major Ports on the US East Coast. 2.2.7 Price Publication Time Weekly, by 1:00 US time. 2.2.8 Price Format The assessed price are presented as a range, indicating the lowest and highest prices. For example: 8μm Lithium Battery Copper Foil premium, CIF US, USD/tonne range 5,000-6,000 USD/tonne, average: 5,500 USD/tonne. 2.2.9 Price Collection Method SMM will, in accordance with the price collection confirmation agreement, have price analysts regularly collect price information from copper foil industry price contacts via phone, QQ, WeChat, fax, and email. This price information includes concluded transaction prices, the enterprise's expected most likely pending transaction prices, etc. All instant messaging content, email communications, and any records of face-to-face communications will be archived details of phone communications will be recorded and entered into the database. SMM analysts must comply with the Compliance System when reporting any forced or threatened communications from market participants, or any induced offers attempting to influence the assessment. Once published, SMM will not revise or adjust the price on the same day. 2.2.9.1 Assessment (Calculation) of Published Prices Step-1: The final dataset from the previous chapter, which exists as a processing fee range, is split into several lower limit values and several upper limit values for two different types of enterprise classifications in this methodology version: copper foil producers and downstream end-users. Arithmetic averages are calculated for both sets and rounded to the nearest whole number. Among these: - When both transaction information and offer/counteroffer information are present, the weight of transaction information is set at 60%, and offer/counteroffer information at 40%. - When transaction information, offer/counteroffer information, and other information are all present, the weight of transaction information is set at 50%, offer/counteroffer information at 40%, and other information at 10%. - When only offer/counteroffer information and other information are present, the weight of offer/counteroffer information is set at 90%, and other information at 10%. Step-2: The two price ranges derived from the previous step, which exist as processing fee states, are split into two lower limit values and two upper limit values. Weights are applied, and weighted averages are calculated, then rounded to the nearest whole number. In this methodology version, copper foil producers are weighted at 60%, and downstream enterprises at 40%. Step-3: The relevant calculation coefficients above will be adjusted every six months to ensure timeliness. 2.2.9.2 Data Standardization Although SMM has standardized definitions for our prices, diversity exists in market transactions. The price of each transaction is influenced by numerous factors, including order size, brand of goods, delivery time, payment terms, etc. SMM will comprehensively consider market offers, bids, and transaction information, aligning them with our standards. Each price datum will be electronically recorded or accompanied by written records. All electronic and paper records must be archived by price collection personnel and retained long-term (at least 5 years) in secure network and physical environments. For details, please refer to the SMM Data Retention Policy. 2.2.9.3 Price Assessment Process The specific process is as follows: 2.3 Methodology Changes All markets change, and SMM has a responsibility to ensure that the methodology for market reports evolves with the market. Therefore, SMM will regularly conduct internal reviews of the methodology's appropriateness based on industry feedback. For all substantive but non-urgent potential modifications, SMM will follow a formal external consultation process. Major changes will then be announced with a notice period of at least 28 days, inviting industry comments, unless special circumstances, particularly force majeure (natural disasters, war, exchange bankruptcy, etc.), necessitate a shorter notice period. SMM is committed to carefully considering all comments on proposed methodology changes, but in some cases, it may be necessary to proceed with changes contrary to the wishes of some market participants. Additionally, SMM has a formal methodology consultation process. SMM commits to holding a formal consultation on the methodology every three years. The date of the last consultation and the deadline for the next consultation committed by SMM are located at the top of the methodology document. 2.4 Compliance with SMM Policies All relevant SMM employees must not only comply with the methodology published by SMM but also adhere to SMM's internal standards and policies. These include: SMM Conflict of Interest Policy, SMM Whistleblower Policy, SMM Error Correction Policy, SMM Methodology Review Consultation and Change Policy, SMM Complaints Policy, etc. Welcome more relevant enterprises in the industry chain to participate and support SMM in better serving related enterprises in the copper foil industry chain. For inquiries, please contact: Shanghai Metals Market Copper Research Team, Shanyu Jiang Contact: 021-20707916, +86 15615750662