Investor Relations Activity Record Sheet – February 7, 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

Huachuang Securities: Huang He, Chen Junxin

Shibei Investment: Zheng Hui

Noah Fund: Zhou Xiaoqi

China-Europe Fund: Zhou Yang

Guotai Junan: Yang Nan

Yangtze Securities (Proprietary Trading): Xiao Xufang

Ping An Securities: You Huazheng

Jinko Investment: Rongfu Zhi

Zhuque Fund: License

Credit Suisse Zhiyuan Private Equity Fund: He Jialong

Xingyin Fund: Shi Liang

Western Benefit Fund: Chen Yu

Southern Fund: Liu Yutang

Guolian An Fund: Wang Dong

Haoshan Assets: Hong Jiarong

Tianzhi Fund: Wang Ceyuan

Huaxia Fund: Zhang Jun

HuaAn Fund: Andy

China Life Anbao Fund: Xie Fu

Beijing XingShi Investment: Wang Rongliang

Chunhou Fund: Tian Wentian

Time

2025 Year 2 Month 7 Day 09:30-11:00

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 characterized by mutually reinforcing and collaborative development. Its primary business areas include engineering services, chemical operations, and catalyst solutions. 。

Company Engineering Services The company primarily serves clients in the chemical and petrochemical industries while actively transforming and expanding into the new energy market. With a strong focus on environmental protection, the company has dedicated itself for many years to providing customers with one-stop, full-lifecycle engineering technology services—including engineering consulting, engineering design, EPC (engineering, procurement, and construction), project start-up, and post-commissioning maintenance. It is also the domestic leader in designing and executing EPC projects for sulfur recovery units.

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. It primarily focuses on the research and development of various advanced 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, high-purity substances, food additives, catalysts, surfactants, fragrances, and more. Compared to large, integrated enterprises in the industry, our company enjoys greater operational flexibility due to the absence of specific constraints at the raw material end, enabling us to closely monitor product profitability and respond swiftly to both short-term and long-term market demands and raw material availability. And products Price Trends Under such circumstances By switching at the raw material end, quickly transition to the production of high-efficiency products.

The company is a domestically prominent provider of sulfur-resistant shift process technologies and catalyst products, primarily engaged in 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. What are the company's major ongoing engineering projects that are currently unfinished?

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 Turnkey Contract 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. Second Set 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 equipment 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 Brief Report on the Performance of Civil Engineering and Construction Business in the Fourth Quarter of the Year.

III. What are the company's main clients in its engineering business?

The company's primary customer base includes China Petrochemical Corporation, China National Petroleum Corporation, China Energy Investment Corporation, Datang Group, Sinochem Holdings, CNOOC Group, China Coal Group, China General Nuclear Power Group, China North Industries Group Corporation, Shaanxi Yanchang Petroleum, Wanhua Chemical Group, Hengli Petrochemical, Shenghong Petrochemical, Yulong Petrochemical, as well as numerous other local refining and chemical enterprises that boast strong financial capabilities and excellent creditworthiness.

IV. Project Status of the Coal Chemical Industry Projects Undertaken by the Company

The company’s engineering business, leveraging its technological strengths, has successively undertaken the basic design and technical service project for the sulfur recovery unit in Shenhua Yulin Circular Economy Coal Comprehensive Utilization Project, as well as the second set of projects for Ningxia Baofeng Energy Group Co., Ltd. 50 Ten thousand tons / Including the process package and design project for the methanol-to-olefins project's supporting sulfur recovery unit, as well as the patent technology licensing and technical service project for the sulfur recovery unit at Shaanxi Coal Group Yulin Chemical Co., Ltd. Recently, the company has successfully won the bid for the Jun Dong project of the National Energy Group. 20 Billion cubic meters / Annual Coal-to-Natural Gas Project Partial equipment design and procurement services, along with the technology licensing for the sulfur recovery unit in the Hami Energy Integration and Innovation Base Project (Phase I Coal-to-Oil Project) of Xinjiang Hami Energy & Chemical Co., Ltd., part of the State Energy Group. Design Service Guoneng Baotou Coal Chemical Co., Ltd. – Baotou Chemical Shenhua Baotou Coal-to-Olefins Upgrade Demonstration Project: Sulfur Recovery Unit EPC General Contracting Waiting for the related work on several newly built coal chemical projects. Meanwhile, the company has assigned dedicated personnel to closely monitor and coordinate with the progress of these coal chemical projects, leveraging its own technological and engineering strengths to actively support the development of the coal chemical industry.

V. The Company's Key Technical Advantages in the Engineering Field

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 Flue Gas Purification Technology for Ultra-Low Emissions: Technologies and Applications ” After being evaluated and reviewed by the China Petroleum and Chemical Industry Federation, the achievement is deemed to be globally advanced overall. For instance, the company 2024 Disclosure of relevant sections in the annual semi-annual report, as of 2024 Year 6 Month 30 Day by day, the company has cumulatively completed the design and general contracting of various sulfur recovery units. 237 Set, total scale of the installation 1255 Ten thousand tons / This year, it is the company that has designed and provided the most turnkey sulfur recovery units domestically.

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 experience.

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-caliber technical team with a global perspective. As a result, the company’s technology division 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 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, 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 ”。

6. What are the company's incremental projects in the chemical business?

Currently, the company is fully pushing forward with “ Butyric Acid Cellulose Acetate Product Optimization and Upgrade Technical Transformation Project ” Construction progress, Strive vigorously High quality “ 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 ” Currently, technical feasibility studies and design optimizations are underway, with efforts focused on completing construction as planned. Additionally, the company has integrated R&D resources from universities, research institutes, and enterprises to drive innovation in developing new downstream products centered around aldehydes, alcohols, acids, and esters. This collaboration is now expanding into cutting-edge areas such as new energy, fine chemicals, and advanced materials through collaborative R&D initiatives.

List of Attachments (if any)

None

Date

2025 Year 2 Month 7 Day