CSG HOLDING CO., LTD.

THE THIRD QUARTER REPORT 2026

Chairman of the Board: CHEN LIN

October 2026

Stock code: 000012; 200012 Short form of the stock: CSG A; CSG B Notice No.: 2026-042

CSG HOLDING CO., LTD. THE THIRD QUARTER REPORT 2026

|The Company and all members of the Board of Directors guarantee that the contents of the information disclosed are true, accurate and complete, and that there are no false representations, misleading statements or material omissions.

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Important Notice:

• 1.The Board of Directors and the directors and senior management of the Company guarantee that the contents of this quarterly report are true, accurate and complete, and that there are no false representations, misleading statements or material omissions, and accept individual and joint legal liabilities for the same.
• 2.Head of the Company, the person in charge of accounting work, and the person in charge of the accounting institution (Chief Financial Officer) hereby declare that they guarantee the financial information disclosed in this quarterly report to be true, accurate and complete.
• 3.Whether the Third Quarterly Financial Report has been audited or not.

• □Yes No

This report is prepared both in Chinese and English. Should there be any inconsistency between the Chinese and English versions, the Chinese version shall prevail.

• I. Key Financial Data

• (I) Key Accounting Data and Financial Indicators Whether the Company is required to retrospectively adjust or restate accounting data of prior years.

• □Yes No

(II) Non-recurring Profit and Loss Items and Amounts Applicable □Not applicable

Unit: RMB

Details of other profit and loss items meeting the definition of non-recurring profit and loss:

• □Applicable Not applicable The Company has no other profit and loss items meeting the definition of non-recurring profit and loss.

Explanation on Classification as Recurring Profit and Loss Items of Non-recurring Profit and Loss Items Listed in the Explanatory Announcement No.1 on Information Disclosure by Companies Offering Securities to the Public—Nonrecurring Profit and Loss

• □Applicable Not applicable The Company has no circumstances where non-recurring profit and loss items listed in the Explanatory Announcement No.1 on Information Disclosure by Companies Offering Securities to the Public—Non-recurring Profit and Loss are classified as recurring profit and loss items.

(III) Explanation of Changes in Key Accounting Data and Financial Indicators Applicable □Not applicable

Unit: RMB

Notes:

• （1）The increase in financial assets held for trading was mainly due to increased purchases of structured deposits.
• （2）The decrease in prepayments was mainly attributable to the receipt of goods for which prepayments had been made and other factors.
• （3）The decrease in assets held for sale was mainly due to the disposal of assets held for sale.
• （4）The increase in long-term receivables was mainly due to the disposal of assets held for sale.
• （5）The decrease in construction in progress was mainly due to the transfer of construction in progress to fixed assets by some subsidiaries.
• （6）The increase in deferred tax assets was mainly due to the recognition of additional deferred tax assets in respect of losses.
• （7）The increase in other non-current assets was mainly due to the increase in large-denomination certificates of deposit with a term of more than one year.
• （8）The decrease in short-term borrowings was mainly due to the repayment of matured short-term borrowings during the period.

（ 9 ） The increase in taxes payable was mainly due to the increase in income tax, property tax and other taxes of some subsidiaries.

• （10）The increase in long-term payables was mainly due to the increase in finance leases.
• （11）The increase in financial expenses was mainly due to the rise in interest expenses and other items.
• （12）The decrease in other income was mainly due to the reduction of government subsidies received.
• （13）The change in investment income was mainly attributable to the increase in wealth management income and other changes.
• （14）The increase in impairment losses was mainly due to an increase in the provision for inventory write-downs recognized during the period.
• （15）The increase in credit impairment losses was mainly due to an increase in the loss allowance for receivables recognized during the period.
• （16）The increase in gains on disposal of assets was mainly because gains arising from disposal of non-current assets rose in the current period while the amount in the prior period was relatively low.
• （17）The increase in non-operating expenses was mainly due to the rise in compensation payments and other expenses of subsidiaries.
• （18）The change in income tax expense was mainly due to the reduction in total profit of some subsidiaries. （ 19 ） The change in other comprehensive income, net of tax, was mainly due to changes in foreign currency translation differences.

II. Shareholder Information

(I) Table of Total Number of Common Shareholders, Number of Preferred Shareholders with Restored Voting Rights and Shareholdings of the Top Ten Shareholders

Unit: Share(s)

Note: Among the top 10 shareholders, CSG Holding Co., Ltd. has a repurchase special securities account, which, as required, is not included in the list of top 10 shareholders. As of 30 September 2026, the Company had repurchased an aggregate of 52,838,338 A shares through the repurchase special securities account by way of centralized bidding trading, representing 1.74% of the Company’s total share capital.

Information on Lending of Shares under the Refinancing Business by Shareholders with 5% or More Shareholding, the Top 10 Shareholders and the Top 10 Unrestricted Tradable Shareholders

• □Applicable Not applicable

Changes in the Shareholdings of the Top 10 Shareholders and the Top 10 Unrestricted Tradable Shareholders due to the Lending and Return of Shares under the Refinancing Business as Compared with the Prior Period

• □Applicable Not applicable

(II) Number of Preferred Shareholders of the Company and Shareholding of the Top 10 Preferred Shareholders

□Applicable Not applicable

III. Other Significant Events

Applicable □Not applicable

• 1. Ultra-Short-term Financing Bills On 16 May 2022, the Company’s 2021 Annual General Meeting reviewed and approved the Proposal on the Application for Registration and Issuance of Medium-term Notes and Ultra Short-term Financing Bills, approving the Company’s registration and issuance of ultra short-term financing bills with a registered amount of no more than RMB 1.0 billion. The Company may issue the bills in one or multiple tranches within the registration validity period, based on actual capital demand and the capital conditions of the inter-bank market.On 25 April 2025, the Company issued the first tranche of 2025 ultra short-term financing bills (sci-tech innovation bills) with a total amount of RMB 300 million and a term of 270 days at an issuance rate of 2.27%, which were fully redeemed on 23 January 2026. On 26 June 2026, the Company’s 2025 Annual General Meeting reviewed and approved the Proposal on the Application for Registration and Issuance of Medium-term Notes and Ultra Short-term Financing Bills, approving the Company’s registration and issuance of ultra short-term financing bills with a registered amount of no more than RMB 1.0 billion. The Company may issue the bills in one or multiple tranches within the registration validity period, based on actual capital demand and the capital conditions of the inter-bank market.
• 2. Medium-term Notes On 26 June 2026, the Company’s 2025 Annual General Meeting reviewed and approved the Proposal on the Application for Registration and Issuance of Medium-term Notes and Ultra Short-term Financing Bills, approving the Company’s registration and issuance of medium-term notes with a registered amount of no more than RMB 1.0 billion. The Company may issue the notes in one or multiple tranches within the registration validity period, based on actual capital demand and the capital conditions of the inter-bank market.
• 3. Guarantee Information The Company’s 2025 Annual General Meeting reviewed and approved the Proposal on the 2026‑year Guarantee Plan. It approved that the Company and its subsidiaries may provide guarantees for the credit lines granted by financial institutions to guaranteed‑enterprises within the consolidated‑statements scope in 2026, with an aggregate ceiling of RMB 26.0 billion (including effective and unexpired credit‑line quotas). Amongst the above, the total guarantee cap for guaranteed enterprises with a debt‑to‑asset ratio of 70% or above shall not exceed RMB 7.5 billion (including effective and unexpired credit‑line quotas). All external guarantees issued by the Company are furnished to its subsidiaries under the consolidated‑reporting scope. As at 30 September 2026, the outstanding balance of guarantees actually provided amounted to RMB 8,499.39 million (of which RMB 2,551.53 million related to entities with a debt-to-asset ratio of 70% or above), accounting for 64.66% of the net assets attributable to shareholders of the parent company of RMB 13,145.4890 million as at the end of 2025 and 27.15% of total assets of RMB 31,305.0288 million. The Company had no overdue guarantees. The Company’s 2024 Annual General Meeting passed the Proposal on the Implementation of Asset‑Pool Business. To facilitate centralized administration over bills, letters of credit and other held‑assets, the general‑meeting authorised the Company and subsidiaries to conduct asset‑pool‑related business with a maximum scale of RMB 2.0 billion. Multiple security forms including maximum‑amount pledge, general pledge, deposit‑certificate pledge, bill pledge and cash‑deposit pledge are permitted for business operations on condition that risks remain controllable. As at 30 September 2026, the actual amount pledged under the asset pool business was RMB 685.26 million, and the outstanding financing balance was RMB 682.55 million.

• 4. Matters regarding the RMB 171 Million Special Fund for Talent Introduction In relation to the matters of the RMB 171 million special fund for talent introduction, the Company filed a tort compensation lawsuit against Zeng Nan and other relevant parties as well as Yichang Hongtai Real Estate Co., Ltd. on 15 December 2021. The case was officially accepted by the Shenzhen Intermediate People’s Court on 28 January 2022, and its first-instance hearing was concluded at the Shenzhen Intermediate People’s Court on 21 June 2022. On

• 4 June 2024, the Company received the first-instance Civil Judgment rendered by the Shenzhen Intermediate People’s Court, which dismissed all claims of the Company. In June 2024, the Company filed an appeal with the Guangdong Higher People’s Court, and the second-instance hearing was held at the Guangdong Higher People’s Court on 12 September 2024. On 3 December 2025, the Company received the second-instance Civil Judgment rendered by the Guangdong Higher People’s Court, which dismissed the appeal and upheld the original judgment. The Company holds that the effective judgment contains errors in the determination of basic facts and application of laws. To safeguard its legitimate rights and interests, the Company applied to the Supreme People’s Court for a retrial in May

1. In July 2026, the Supreme People’s Court accepted the application, and the case is currently under case-filing review.

• 5. Deferred Re-election of the Board of Directors The term of office of the Company’s 9th Board of Directors expired on 21 May 2023, and the re-election work is proceeding steadily as of the date hereof. Pursuant to Article 100 of the Articles of Association of CSG Holding Co., Ltd., where directors are not re-elected in a timely manner upon expiry of their term of office, the incumbent directors shall continue to perform their duties in accordance with laws, administrative regulations, departmental rules and these Articles of Association until the newly elected directors take office. Accordingly, members of the 9th Board of Directors continue to perform their duties normally. The re-election of the board will not have any adverse impact on the Company’s business operations, corporate governance or other aspects.
• 6. Share Repurchase Matters The Company held an Interim Meeting of the Ninth Board of Directors and the First Extraordinary General Shareholders' Meeting of 2025 on 13 February 2025, and 4 March 2025, respectively. The meetings reviewed and approved the Proposal on the Buyback of Certain RMB Ordinary Shares (A Shares) and Domestically Listed Foreign Shares (B Shares) of the Company, authorizing the Company to use its own funds and self-pooled funds (including special buyback loan from commercial bank) to buyback certain RMB ordinary shares (A Shares) and domestically listed foreign shares (B Shares) through the Shenzhen Stock Exchange trading system in a centralized bidding process. The total amount of funds used for the buyback of A shares will be no less than RMB 243 million and no more than RMB 485 million, including transaction fees and other related expenses; and the total amount of funds used for the buyback of B shares will be no less than HKD 50 million and no more than HKD 100 million, including foreign exchange purchases, transaction fees, and other related expenses. The buyback price of A shares will not exceed RMB 7.60 per share, and the buyback price of B shares will not exceed HKD 3.13 per share. All A shares bought back by the Company will be used for equity incentives or employee stock ownership plans (implementation of which requires approval from the Company's Board of Directors and general shareholders' meeting). All B shares bought back will be retired. The buyback period is twelve months from the date the buyback plan is approved by the Company's general shareholders' meeting. For details, please refer to the Report on the Buyback of Certain RMB Ordinary Shares (A Shares) and Domestically Listed Foreign Shares (B Shares) of the Company disclosed on 25 March 2025 on www.cninfo.com.cn. After the implementation of the Company's 2024 annual equity distribution, the upper limit of the Company's buyback price of A shares has been adjusted from no more than RMB 7.60 per share to no more than RMB 7.53 per share. The estimated buyback quantity after the adjustment will be no less than 44,443,773 shares and no more than

76,581,887 shares. The buyback price of B shares has been adjusted from no more than HKD 3.13 per share to no more than HKD 3.05 per share. The estimated buyback quantity after the adjustment will be no less than 22,139,398 shares and no more than 38,532,841 shares. As of March 4, 2026, the Company has fully implemented its current share repurchase program. Through its dedicated securities account for share repurchases, the Company conducted centralized competitive trading to acquire a total of 52,838,338 A-share shares and 28,223,296 B-share shares, representing an aggregate 2.6398% of the Company’s total issued share capital. The highest transaction price for repurchasing A-share stocks was 5.04 yuan per share, the lowest was 4.54 yuan per share, and the average price was 4.73 yuan per share. The total amount of funds paid was RMB 249,974,737.84 (excluding stamp duty, transaction commissions, etc. for transactions). The highest transaction price for repurchasing B-share stocks was 1.94 Hong Kong dollars per share, the lowest was 1.65 Hong Kong dollars per share, and the average price was 1.81 Hong Kong dollars per share. The total amount of funds paid was HKD 50,989,016.13 (excluding stamp duty, transaction commissions, etc. for transactions). For detailed information, please refer to the "Announcement on the Expiration of the Repurchase Period and the Implementation Results of the Repurchase" (Announcement No.: 2026-005) disclosed by the company on the Juchao Information Network (www.cninfo.com.cn) on March 5, 2026. According to the provisions of the "Report on Repurchasing Part of the Company's Renminbi Ordinary Shares (A Shares) and Domestic-Listed Foreign-Currency Shares (B Shares)", all the B shares repurchased this time will be completely cancelled. As of March 12, 2026, the Company has completed the cancellation procedures for the 28,223,296 B-share shares that were repurchased at the Shenzhen Branch of China Securities Depository and Clearing Corporation Limited. After the completion of this share repurchase and cancellation, the total share capital of the Company decreased from 3,070,692,107 shares to 3,042,468,811 shares.

IV. Quarterly Financial Statements

(I) Financial Statements

1. Consolidated Balance Sheet

Prepared by: CSG Holding Co., Ltd

30 September 2026

Unit: RMB

Legal representative: Chen Lin Principal in charge of accounting: Wang Wenxin Head of accounting department: Wang Wenxin

2. Consolidated Statement of Profit or Loss from the Beginning of the Year to the End of the Reporting Period

Unit: RMB

Legal representative: Chen Lin Principal in charge of accounting: Wang Wenxin Head of accounting department: Wang Wenxin

3. Consolidated cash flow statement from the beginning of the year to the end of the report period

Unit: RMB

Legal representative: Chen Lin Principal in charge of accounting: Wang Wenxin Head of accounting department: Wang Wenxin

(II) Implementation of new accounting standards for the first time starting from 2026, and adjustment of the relevant items in the financial statements at the beginning of the year for the first implementation

□Applicable Not applicable

(III) Report of the Auditors Whether the Third Quarter Report has been audited or not

□ Yes  No The Third Quarter Report hasn’t been audited.

Board of Directors of CSG Holding Co., Ltd. 29 October 2026