Investor Relations Activity Log for March 27–28, 2025

Investor Relations Activity Categories

□ Targeted Audience Research         □ Analyst Conference

□ Media Interview             □ Performance Briefing

□ Press Conference           □ Roadshow Event

□ On-site visit

● Other    Teleconference  

Names of Participating Organizations and Personnel

Tianfeng Securities: Bao Rongfu, Ren Jiayu, Wang Tao, Zhang Tong, Sun Tao

Minghu Investment: Li Shuwu, Li Xiangan

Shanghai Stock Exchange: Zhou Fengchun

Chaos Investment: Li Xiaonan

New Thought Investment: Yang Xintong

Wen Tian Private Equity Fund: Liang Yueqin

Shangyin Fund: Yang Dongshuo

Source Capital Private Equity Fund: Zeng Shang

Tianlang Private Equity Fund: Xiao Zhixue

Shencai Private Equity Fund: Tian Jiafeng, Xiong Shengjiang, Guo Jia

Guohua Xingyi Insurance: Han Dongwei

Everyone Assets: Fangcheng Lin

Tianhong Fund: Ding Xuesong

Jiahé Fund: Wang Xinyan

Deyihe Asset: Zhao Zherui

Penghua Fund: Liu Yujian, Cai Chungen

Zhuque Fund: License

Fangzheng Securities: Zhou Xiaofeng

Gentai Investment: Lü Ke

Honghua Investment: Cha Yetao

Qinghequan Capital: Zhao Qunyi

Lidel Private Equity Fund: Ma Jiaoye

Yangtze River Pension Insurance: Huang Xuejun

Chang'an Fund: Jiang Bowen

Sequence (Hainan) Private Equity Fund: Zhong Hua

MingShi Partners Private Equity Fund: Sun Yong

Guangda Securities: Zhu Chengkai

Hezhong Yisheng Investment: Xu Xingke

Mikura Assets: Guan Jingxin

Jin Yuan Shun'an Fund: Hou Bin

Xihong Private Equity Fund: Xu Chi

Doorstep Finance: Tian Ziw ei

Shibei Investment: Zheng Hui

Guolian Minsheng Securities: Wu Huidong, Zhu Simin

E Fund Management: Qi Chen, He Jinyang

Shanghai Yin Ye Investment: Li Yue

Boshi Fund: Xie Zelin

BOC Insurance: Qin Wei

Southern Fund: Xi Xiaochen

Tongtai Fund: Dong Wanjiang

Yuanshin (Zhuhai) Private Equity Fund: Zhou Yang

Guolian Fund: Xiong Jian

Xinda Aoya Fund: Zhu Yihan

Shanghai Tuling Asset: Zhao Zifeng

Haitong Fund: Li Fuhua

Industrial Bank Fund: Jiang Chenlong

CITIC Securities Investment Fund: Xie Wei

Qingli Asset: Li Shu

Huafu Fund: Fu Sheng

Xiamen Zhonglue Investment: Yao Di

Zhongke Wotu Fund: Xu Wei

Debon Securities: Wang Huabing

Fuguo Fund: Wang Huanji

Changxin Fund: Huang Zhenhua

Qingli Investment: Mao Xiaolong

Time

2025 Year 3 Month 27 Day -28 Day

Location

Teleconference

Name of the Receiving Personnel from the Listed Company

Board Secretary: Zhang Jun

Introduction to the Main Activities of Investor Relations

I. Introduction to the Company's Basic Information

The company is a comprehensive enterprise integrating chemical and petrochemical technology and product R&D, engineering technical services, as well as the production and sales of catalysts and basic chemical raw materials. “ Technology + Engineering + Industrial enterprise ” A technology-driven, specialized chemical group company focused on mutually reinforcing and collaborative development. Its primary business areas include engineering services, chemical operations, and catalyst solutions.

The company’s engineering business primarily serves clients in the chemical and petrochemical industries, while actively transforming and expanding into the new energy market. Known for its strong focus on environmental protection, the company has dedicated itself over the years to providing customers with one-stop, full-lifecycle engineering services—including engineering consulting, engineering design, engineering general contracting, project start-up, and post-commissioning maintenance. Currently, it is the domestic leader in designing and undertaking general contracting for the largest number of sulfur recovery units.

Currently, the company is the largest n-propanol producer in China, a leading domestic enterprise specializing in butanol and octanol residue recovery, and a prominent n-pentanol sales company. During the reporting period, the company has primarily focused on the research and development of various new chemical materials, as well as certain other areas. C3、C4、C5、C8 Production and sales of alcohols (including aldehydes and acids), as well as products such as n-propyl acetate, butyl acetate cellulose, and their derivatives. The company's products are widely used across multiple industries and fields, including pharmaceuticals, agrochemicals, dyes, pigments, coatings, chemical reagents and high-purity substances, food additives, catalysts, surfactants, fragrances, and more.

The company is a domestically influential provider of sulfur-resistant shift process technologies and catalyst products. During the reporting period, the company primarily focused on the research and development of various new chemical processes and innovative catalysts, as well as QDB Series of sulfur-resistant shift catalysts, QLS 、 QSR Series of sulfur recovery catalysts, QSJ Series of hydrolysis agents, QTD 、 QZH Production and sales of a series of products including detoxifiers, desulfurizers, and rare-earth rubber catalysts. Among these, QDB The series of sulfur-resistant shift catalysts boasts comprehensive performance that is internationally leading. The company's products are primarily used in shift processes, sulfur recovery processes, rare-earth rubber production processes, and more.

II. The Company 2024 Introduction to Annual Business Performance and Dividend Distribution

As the company's « 2024 Disclosure of relevant chapters in the Annual Report, 2024 Year, the company achieved total operating revenue of RMB 255,429.04 Ten thousand yuan, down year-on-year 3.88% ; Achieve operating profit of RMB 30,599.67 Ten thousand yuan, down year-on-year 10.42% ; Achieve a total profit of RMB 30,611.58 Ten thousand yuan, down year-on-year 10.29% ; Achieving net profit attributable to shareholders of the listed company in RMB 26,264.85 Ten thousand yuan, down year-on-year 6.92% ; Achieve net profit attributable to shareholders of the listed company, excluding non-recurring gains and losses, in RMB 26,656.22 Ten thousand yuan, down year-on-year 2.40% 。

To enhance investor returns and share the fruits of our business growth with investors, while ensuring the company’s continued stable operations and long-term development, the 6th Board of Directors has… 2025 The company reviewed and approved at its first annual meeting 2024 The year-end profit distribution plan is: based on 2024 Year 12 Month 31 Total shares outstanding 648,862,630 Based on the number of shares, distribute to all shareholders per 10 Cash dividend distribution in RMB 3.00 Yuan (including tax), totaling RMB 194,658,789.00 Yuan, no bonus shares will be distributed, nor will capital reserves be used to increase the share capital. This profit distribution plan still needs to be submitted to the company. 2024 Annual general meeting review. Plus 2024 The semi-annual report has been distributed to all shareholders, detailing per 10 Cash dividends distributed by the company 1.00 CNY (tax included), as per the company 2024 The year-end profit distribution plan was approved by the shareholders' meeting, and the company 2024 Annual cumulative distribution to all shareholders per 10 Cash dividend distribution to shareholders 4.00 Yuan (including tax), with the total cumulative cash dividends amounting to RMB 259,545,052.00 Yuan, accounting for the company 2024 The annual net profit attributable to shareholders of the listed company is 98.82% 。

3. What are the company's main technological advantages?

In the field of engineering, as “ Sulfur Recovery Expert ” , the company's independently developed “ Online Furnace-Free Sulfur Recovery Technology ” Achieve domestically leading and internationally advanced standards; “ Acid Gas Sulfur Recovery and Ultra-Low Emission Technology & Applications for Flue Gas Purification ” The achievement has been evaluated and approved by the China Petroleum and Chemical Industry Federation, concluding that it is generally at an internationally leading level. As stated in the company's document, 2024 Disclosure of relevant chapters in the Annual Report, as of 2024 Year 12 Month 31 On the day, the company had cumulatively completed the design and general contracting of various sulfur recovery units. 240 Set, total scale of the installation 1283 Ten thousand tons / This year, the company has designed and undertaken the largest number of sulfur recovery units in China as a general contractor. Meanwhile, the company boasts strong market competitiveness in energy-saving and environmental protection engineering fields such as comprehensive utilization of C4 resources, high-pressure hydrogenation, acidic water vapor treatment, flue gas management, and wastewater treatment. Additionally, through project implementation in emerging energy sectors like hydrogen energy, molten salt energy storage, and compressed air energy storage, the company has accumulated extensive practical experience. In the chemical industry, the company holds independent intellectual property rights over carbonyl synthesis technology essential for synthesizing n-propanal and n-valeraldehyde, as well as technologies for recovering residual liquids from butanol-octanol production and for aldehyde hydrogenation. Furthermore, the company masters production techniques for propionic acid (including butyric and pentanoic acids), isooctanoic acid, and cellulose acetobutyrate, placing it at the forefront of the industry. In the catalyst field, the company has developed an internationally advanced low-water-gas-ratio sulfur-tolerant shift process along with its corresponding catalyst, achieving an annual production capacity of... 5 Million-ton rare-earth rubber technology and catalyst formulation production techniques, along with technical services such as process packages and patented equipment.

The company places great emphasis on enhancing its R&D capabilities and technological strength. Through strategies such as talent development, recruitment, and collaboration, we have assembled a high-end technical team with a global perspective. As a result, the company’s technology sector is already beginning to yield significant results. Moving forward, we will fully leverage the engineering division’s pivotal role in bridging the gap between upstream and downstream operations, while actively exploring efficient synergy mechanisms that connect seamlessly with both the technology and industrial sectors. This approach will help us establish a closed-loop system integrating R&D, engineering implementation, and industrial operations. By building on our unique competitive advantages, we are committed to transforming the company into a resource-efficient, highly productive organization—leading in technological differentiation and distinguished by its premium, cutting-edge product offerings. “ Value Enterprise ”。

IV. The company's petrochemical business production capacity and its effective measures to address the cyclical fluctuations in product prices

The company is currently the largest n-propanol producer in China, a leading domestic enterprise specializing in butanol and octanol residue recovery, and a prominent n-pentanol sales company. As stated in the company's… 2024 Disclosure of relevant chapters in the annual report: The company currently focuses primarily on aldehyde products. 17 Ten thousand tons / Year, alcoholic products 26 Ten thousand tons / Year, Acid Products 3 Ten thousand tons / Year, ester products 10 Ten thousand tons / Annual production facilities.

The company has a relatively comprehensive “ Aldehyde-acrylic ester ” Compared to large, integrated enterprises within the industry, companies in the industrial chain enjoy greater operational flexibility due to the absence of specific constraints at the raw-material end. This allows them to closely monitor product marginal benefits and swiftly shift production toward higher-margin products by adjusting their raw-material strategies—reacting promptly to short-term and long-term market demands, trends in raw-material prices, shifts in product pricing, and inventory conditions.

5. What are the company's major ongoing engineering projects that are currently in progress but not yet completed?

The company's engineering business currently has an unfinished project with Northern HuaJin United Petrochemical Co., Ltd. “ Turnkey EPC Contract for Sulfur Recovery Unit, Acidic Water Stripping Unit, and Solvent Regeneration Unit in the Fine Chemicals and Raw Materials Engineering Project EPC ） ” Sinopec (Tianjin) Petrochemical Co., Ltd. “ Tianjin Branch ‘ Oil Conversion ’ Newly Built Technical Renovation Project 15 Ten thousand tons / Annual sulfur recovery unit and supporting project engineering, procurement, and construction general contracting EPC ） ” Qilu Branch Refinery Oil Tank Area Safety Hazard Remediation Project EPC Qingdao Refining & Chemical Company's Liquefied Gas Safety Enhancement (Maleic Anhydride) Project, Section 2 EPC , Ningxia Baofeng Energy Group Co., Ltd. Phase II 50 Ten thousand tons / A large portfolio of EPC or design projects—including the process package and design for the sulfur recovery unit supporting the annual coal-to-olefins project's methanol facility, as well as the sulfur recovery unit design for Shenhua Yulin Circular Economy Coal Comprehensive Utilization Project—along with long-term service framework agreements covering unit overhauls, maintenance, technical upgrades, and improvement initiatives, ensures a robust order backlog. For detailed information, please refer to the company’s announcement. 2025 Year 1 Month 23 Today in the *China Securities Journal*, the *Securities Times*, and on Juchao Information Network ( http://www.cninfo.com.cn ）disclosed in the 2024 Fourth Quarter 2023 Brief on the Performance of Civil Engineering and Construction Business.

6. What are the company's incremental projects in the chemical business? And what are the future development plans?

Currently, the company is fully pushing forward with “ Butyric Acid Cellulose Acetate Product Optimization and Upgrade Technical Transformation Project ” Strive for high-quality construction progress. “ Isooctanoic acid ” New production capacity ( 50000 Ton / year) to be completed and put into operation as soon as possible; the company “ Cellulose Derivative and Its Supporting Equipment Upgrade Project ” We are currently conducting technical feasibility studies and optimizing the design, striving to complete construction according to the planned schedule. In addition, the company will integrate R&D resources from universities, research institutes, enterprises, and other stakeholders. Leveraging our strong position in the aldehyde, alcohol, acid, and ester industry chain, we aim to develop products tailored for food-grade, pharmaceutical-grade, and electronic-grade applications, while actively promoting a shift toward green, high-end solutions that significantly enhance the added value of our offerings.

VII. Overview of the Company's Projects in the Coal Chemical Industry领域

Leveraging its technological strengths, the company has successively undertaken the basic design and technical service project for the sulfur recovery unit in Shenhua Yulin's circular economy coal integrated utilization project, as well as the second set of projects for Ningxia Baofeng Energy Group Co., Ltd. 50 Ten thousand tons / Annual coal-to-olefins project's supporting methanol plant sulfur recovery unit process package and design project, Shaanxi Coal Group Yulin Chemical Co., Ltd.'s sulfur recovery unit patent technology licensing and technical service project, and China Energy Group Ningxia Coal Industry Co., Ltd.'s Shenhua Ningmei 400 Ten thousand tons / Coal Indirect Liquefaction Project Phase II—Catalyst Procurement Project, Catalyst Procurement Project for the High-Sulfur Coal Clean Utilization Oil-Chemical-Electricity Integrated Demonstration Project of Shanxi Lu'an Coal-Based Clean Energy Co., Ltd., and Ningxia Baofeng Energy Group Co., Ltd. 50 Ten thousand tons / A large number of projects in the coal chemical industry, including the procurement project for shift catalysts supporting the annual coal-to-olefins project's methanol facility. 2025 Since this year, the company has won several new bids (with some project contracts already signed)—specifically, for Jun Dong of Xinjiang Tianchi Energy Co., Ltd. 20 Billion cubic meters / Procurement services for the complete set of low-methane cascade refrigeration compressors for the annual coal-to-natural-gas project, technology licensing and design services for the sulfur recovery unit in Phase I of the Coal-to-Oil Project at the Hami Energy Integration Innovation Base of Xinjiang Hami Energy & Chemical Co., Ltd., part of the National Energy Group, as well as the sulfur recovery unit for the Shenhua Baotou Coal-to-Olefins Upgrade Demonstration Project at Guoneng Baotou Coal Chemical Co., Ltd. EPC General Contracting, Jun Dong Wucainwan, Xinjiang Shanneng Chemical Co., Ltd. 80 Ten thousand tons / Sulfur recovery technology sources and process package technical services for the annual coal-to-olefins project, technology licensing and design services for the sulfur recovery unit in the Shenhua Yulin Circular Economy Coal Comprehensive Utilization Project of Guoneng Yulin Chemical Co., Ltd., as well as the sulfur recovery unit for the integrated salt-cave development project of Hubei Jinjiang New Materials Technology Co., Ltd. EP Services include the framework for sporadic technical services provided by Guoneng Baotou Coal Chemical Co., Ltd. to Baotou Chemical, the framework for production facility design services offered by Shenmu Fuyou Energy Technology Co., Ltd., the framework for technical renovation and safety hazard remediation design services delivered by Shaanxi Jingyi Chemical Co., Ltd., the procurement service for sulfur-resistant shift catalysts and protective agents (second phase) used in coal-to-hydrogen production at CNOOC Huizhou Petrochemical Co., Ltd., and the coal-to-gas technology renovation project at Yuntianhua Co., Ltd. in Shuifu, Yunnan. 26 Ten thousand tons / Engineering services and catalyst procurement-related tasks for several new coal-to-chemicals projects, including the methanol project's sulfur-resistant shift catalyst procurement service, the sulfur-resistant shift catalyst procurement service for Phase II of Jiangsu Huachang Chemical Co., Ltd.'s ammonia synthesis plant, and the sulfur-resistant shift catalyst procurement service for Lu'nan Chemical Purification Workshop of Yankuang Coal Chemical Supply & Marketing Co., Ltd. Meanwhile, the company has assigned dedicated personnel to closely monitor and coordinate with the progress of these coal-to-chemicals projects, leveraging its own technological and engineering expertise to actively support the growth of the coal-to-chemicals industry.

8. What is the company's future development strategy?

The company will revolve around “ Empower, Collaborate, Extend the Chain, Create Value ” Four key development keywords, fully implemented “ Optimize cost reduction, improve quality, and enhance efficiency—driving innovation, breaking barriers, and fostering coordinated development. ” Our work strategy is rooted in the chemical and energy industries, leveraging technology to drive innovation and capital to fuel growth. We systematically optimize existing assets while simultaneously pursuing strategic upgrades, steadily advancing technological advancements and expanding our industrial chain. By aligning with global trends, harnessing collective wisdom, and focusing on cutting-edge technologies, we are exploring highly efficient collaboration mechanisms across our technology, engineering, and manufacturing sectors. This approach enables us to establish a closed-loop system integrating R&D, engineering, and industrial operations. Through the development of distinctive competitive advantages, we strive to position our company as a leader in resource-efficient, high-performance solutions—boasting technologically differentiated expertise and delivering premium, market-leading products. “ Value Enterprise ”。

List of Attachments (if any)

None

Date

2025 Year 3 Month 27 Day -28 Day