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Announcements & Notices

FF301Monthly Return for Equity Issuer and Hong Kong Depositary Receipts listed under Chapter 19B of the Exchange Listing Rules on Movements in Securities For the month ended: 30 September 2026 Status: New SubmissionTo : Hong Kong Exchanges and Clearing LimitedName of Issuer: CHINA BOHAI BANK CO, LTDDate Submitted: 08 October 2026I Movements in Authorised / Registered Share Capital1 Class of shares Ordinary shares Type of shares H Listed on the Exchange (Note 1) YesStock code (if listed) 09668 DescriptionNumber of authorised/registered shares Par value Authorised/registered share capitalBalance at close of preceding month 6,200,555,000 RMB 1 RMB 6,200,555,000Increase / decrease (-) RMBBalance at close of the month 6,200,555,000 RMB 1 RMB 6,200,555,0002 Class of shares Ordinary shares Type of shares Other type (specify in description) Listed on the Exchange (Note 1) NoStock code (if listed) - Description Domestic Unlisted SharesNumber of authorised/registered shares Par value Authorised/registered share capitalBalance at close of preceding month 11,561,445,000 RMB 1 RMB 11,561,445,000Increase / decrease (-) RMBBalance at close of the month 11,561,445,000 RMB 1 RMB 11,561,445,000Total authorised/registered share capital at the end of the month: RMB 17,762,000,000Page 1 of 10 v 121FF301II Movements in Issued Shares and/or Treasury Shares and Public Float Sufficiency Confirmation1 Class of shares Ordinary shares Type of shares H Listed on the Exchange (Note 1) YesStock code (if listed) 09668 DescriptionNumber of issued shares (excluding treasury shares) Number of treasury shares Total number of issued sharesBalance at close of preceding month 6,200,555,000 0 6,200,555,000Increase / decrease (-)Balance at close of the month 6,200,555,000 0 6,200,555,000Public float sufficiency confirmation (Note 4)Pursuant to Main Board Rule 1332D(1) or 19A28D(1) / GEM Rule 1737D(1) or 2521D(1), we hereby confirm that, in relation to the class of shares as set out above, as at the close of the month:✔ the applicable public float requirement (see below) has been complied withthe applicable public float requirement (see below) has not been complied withThe applicable minimum public float requirement for the class of shares as set out above pursuant to Main Board Rule 1332B or 19A28B / GEM Rule 1737B or 2521B (as the case may be) is: Applicable public float threshold Initial Prescribed Threshold - the minimum percentage of public float prescribed at the time of listing (please specify the percentage in "Minimum prescribed public float at the time of listing" below)Minimum prescribed public float at the time of listing Percentage: 1837% of the total number of issued shares in the class to which the listed shares belong (excluding treasury shares)Additional information2 Class of shares Ordinary shares Type of shares Other type(specify in description) Listed on the Exchange (Note 1) NoStock code (if listed) - Description Domestic Unlisted SharesNumber of issued shares (excluding treasury shares) Number of treasury shares Total number of issued sharesBalance at close of preceding month 11,561,445,000 0 11,561,445,000Increase / decrease (-)Balance at close of the month 11,561,445,000 0 11,561,445,000Page 2 of 10 v 121FF301III Details of Movements in Issued Shares and/or Treasury Shares(A) Share Options (under Share Option Schemes of the Issuer) Not applicablePage 3 of 10 v 121FF301(B) Warrants to Issue Shares of the Issuer Not applicablePage 4 of 10 v 121FF301(C) Convertibles (ie Convertible into Shares of the Issuer) Not applicablePage 5 of 10 v 121FF301(D) Any other Agreements or Arrangements to Issue Shares of the Issuer, including Options (other than Share Option Schemes) Not applicablePage 6 of 10 v 121FF301(E) Other Movements in Issued Shares and/or Treasury Shares Not applicablePage 7 of 10 v 121FF301IV Information about Hong Kong Depositary Receipt (HDR) Not applicablePage 8 of 10 v 121FF301V Confirmations Not applicableSubmitted by: WANG JinhongTitle: Chairman(Director, Secretary or other Duly Authorised Officer)Page 9 of 10 v 121FF301Notes1 The Exchange refers to The Stock Exchange of Hong Kong Limited2 In the case of repurchase of shares (shares repurchased and cancelled) and redemption of shares (shares redeemed and cancelled), "date of event" should be construed as "cancellation date"In the case of repurchase of shares (shares held as treasury shares), "date of event" should be construed as "date on which shares were repurchased and held by the issuer in treasury"3 The information is required in the case of repurchase of shares (shares repurchased for cancellation but not yet cancelled) and redemption of shares (shares redeemed but not yet cancelled) Please state the number of shares repurchased or redeemed during the month or in preceding month(s) but pending cancellation as at close of the month as a negative number4 "Initial Prescribed Threshold”, "Alternative Threshold” and "market value" have the meanings ascribed thereto under Main Board Rule 1332A or 19A28A / GEM Rule 1737A or 2521A See also Main Board Rule 1332D(4) or 19A28D(4) / GEM Rule 1737D(4) or 2521D(4) on the basis of the public float disclosure5 Items (i) to (viii) are suggested forms of confirmation The listed issuer may amend the item(s) that is/are not applicable to meet individual cases Where the issuer has already made the relevant confirmations in a return published under Main Board Rule 1325A / GEM Rule 1727A in relation to the securities issued, or the treasury shares sold or transferred, no further confirmation is required to be made in this return6 “Identical” means in this context:． the securities are of the same nominal value with the same amount called up or paid up;． they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to exactly the same sum (gross and net); and． they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respectsPage 10 of 10 v 121

ISSUER FOR SECURITIES ON IN

2026-09-30 17:06:56

Announcements & Notices

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcementCHINA BOHAI BANK CO, LTD渤海銀行股份有限公司(A joint stock company incorporated in the People’s Republic of China with limited liability)(Stock Code: 9668)ANNOUNCEMENT ON COMPLETION OF ISSUE OF FINANCIAL BONDSThe board of directors (the “Board”) of CHINA BOHAI BANK CO, LTD (the “Bank”) is pleased to announce that, as considered and approved at the 2024 first extraordinary general meeting of the Bank and approved by the People’s Bank of China, the Bank issued the “CHINA BOHAI BANK CO, LTD 2026 Financial Bonds (Tranche 1)” (the “Bonds”) in China national inter-bank bond market The bookkeeping of the Bonds was filed on September 2, 2026, and the Bonds have accrued interest with effect from September 4, 2026The total issue size of the Bonds is RMB15 billion The Bonds are three-year fixed rate bonds with a coupon rate of 160%The proceeds from the Bonds will be used, in accordance with applicable laws and regulatory approvals, to meet the needs of asset and liability allocation, supplement funding sources, optimize the liability maturity structure, and promote the steady development of the businessBy order of the BoardCHINA BOHAI BANK CO, LTDWANG JinhongChairmanTianjin, ChinaSeptember 4, 2026As of the date of this announcement, the Board comprises Mr WANG Jinhong and Mr QU Hongzhi as executive directors; Mr AU Siu Luen, Ms YUAN Wei, Ms CUI Hongqin, Mr HU Aimin, Mr ZHANG Yunji and Ms LING Yingjie (employee director) as non-executive directors; and Mr TSE Yat Hong, Mr SHUM Siu Hung Patrick, Ms WANG Aijian, Mr LIU Junmin, Mr LIU Lanbiao and Mr OUYANG Yong as independent non-executive directors

OF ISSUE COMPLETION FINANCIAL ANNOUNCEMENT

2026-09-04 17:57:27

Financial Reports

REPORT INTERIM

2026-09-04 17:55:05

Announcements & Notices

FF301Monthly Return for Equity Issuer and Hong Kong Depositary Receipts listed under Chapter 19B of the Exchange Listing Rules on Movements in Securities For the month ended: 31 August 2026 Status: New SubmissionTo : Hong Kong Exchanges and Clearing LimitedName of Issuer: CHINA BOHAI BANK CO, LTDDate Submitted: 02 September 2026I Movements in Authorised / Registered Share Capital1 Class of shares Ordinary shares Type of shares H Listed on the Exchange (Note 1) YesStock code (if listed) 09668 DescriptionNumber of authorised/registered shares Par value Authorised/registered share capitalBalance at close of preceding month 6,200,555,000 RMB 1 RMB 6,200,555,000Increase / decrease (-) RMBBalance at close of the month 6,200,555,000 RMB 1 RMB 6,200,555,0002 Class of shares Ordinary shares Type of shares Other type (specify in description) Listed on the Exchange (Note 1) NoStock code (if listed) - Description Domestic Unlisted SharesNumber of authorised/registered shares Par value Authorised/registered share capitalBalance at close of preceding month 11,561,445,000 RMB 1 RMB 11,561,445,000Increase / decrease (-) RMBBalance at close of the month 11,561,445,000 RMB 1 RMB 11,561,445,000Total authorised/registered share capital at the end of the month: RMB 17,762,000,000Page 1 of 10 v 121FF301II Movements in Issued Shares and/or Treasury Shares and Public Float Sufficiency Confirmation1 Class of shares Ordinary shares Type of shares H Listed on the Exchange (Note 1) YesStock code (if listed) 09668 DescriptionNumber of issued shares (excluding treasury shares) Number of treasury shares Total number of issued sharesBalance at close of preceding month 6,200,555,000 0 6,200,555,000Increase / decrease (-)Balance at close of the month 6,200,555,000 0 6,200,555,000Public float sufficiency confirmation (Note 4)Pursuant to Main Board Rule 1332D(1) or 19A28D(1) / GEM Rule 1737D(1) or 2521D(1), we hereby confirm that, in relation to the class of shares as set out above, as at the close of the month:✔ the applicable public float requirement (see below) has been complied withthe applicable public float requirement (see below) has not been complied withThe applicable minimum public float requirement for the class of shares as set out above pursuant to Main Board Rule 1332B or 19A28B / GEM Rule 1737B or 2521B (as the case may be) is: Applicable public float threshold Initial Prescribed Threshold - the minimum percentage of public float prescribed at the time of listing (please specify the percentage in "Minimum prescribed public float at the time of listing" below)Minimum prescribed public float at the time of listing Percentage: 1837% of the total number of issued shares in the class to which the listed shares belong (excluding treasury shares)Additional information2 Class of shares Ordinary shares Type of shares Other type(specify in description) Listed on the Exchange (Note 1) NoStock code (if listed) - Description Domestic Unlisted SharesNumber of issued shares (excluding treasury shares) Number of treasury shares Total number of issued sharesBalance at close of preceding month 11,561,445,000 0 11,561,445,000Increase / decrease (-)Balance at close of the month 11,561,445,000 0 11,561,445,000Page 2 of 10 v 121FF301III Details of Movements in Issued Shares and/or Treasury Shares(A) Share Options (under Share Option Schemes of the Issuer) Not applicablePage 3 of 10 v 121FF301(B) Warrants to Issue Shares of the Issuer Not applicablePage 4 of 10 v 121FF301(C) Convertibles (ie Convertible into Shares of the Issuer) Not applicablePage 5 of 10 v 121FF301(D) Any other Agreements or Arrangements to Issue Shares of the Issuer, including Options (other than Share Option Schemes) Not applicablePage 6 of 10 v 121FF301(E) Other Movements in Issued Shares and/or Treasury Shares Not applicablePage 7 of 10 v 121FF301IV Information about Hong Kong Depositary Receipt (HDR) Not applicablePage 8 of 10 v 121FF301V Confirmations Not applicableSubmitted by: WANG JinhongTitle: Chairman(Director, Secretary or other Duly Authorised Officer)Page 9 of 10 v 121FF301Notes1 The Exchange refers to The Stock Exchange of Hong Kong Limited2 In the case of repurchase of shares (shares repurchased and cancelled) and redemption of shares (shares redeemed and cancelled), "date of event" should be construed as "cancellation date"In the case of repurchase of shares (shares held as treasury shares), "date of event" should be construed as "date on which shares were repurchased and held by the issuer in treasury"3 The information is required in the case of repurchase of shares (shares repurchased for cancellation but not yet cancelled) and redemption of shares (shares redeemed but not yet cancelled) Please state the number of shares repurchased or redeemed during the month or in preceding month(s) but pending cancellation as at close of the month as a negative number4 "Initial Prescribed Threshold”, "Alternative Threshold” and "market value" have the meanings ascribed thereto under Main Board Rule 1332A or 19A28A / GEM Rule 1737A or 2521A See also Main Board Rule 1332D(4) or 19A28D(4) / GEM Rule 1737D(4) or 2521D(4) on the basis of the public float disclosure5 Items (i) to (viii) are suggested forms of confirmation The listed issuer may amend the item(s) that is/are not applicable to meet individual cases Where the issuer has already made the relevant confirmations in a return published under Main Board Rule 1325A / GEM Rule 1727A in relation to the securities issued, or the treasury shares sold or transferred, no further confirmation is required to be made in this return6 “Identical” means in this context:． the securities are of the same nominal value with the same amount called up or paid up;． they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to exactly the same sum (gross and net); and． they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respectsPage 10 of 10 v 121

ISSUER FOR SECURITIES ON IN

2026-09-02 15:51:35

Announcements & Notices

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcementCHINA BOHAI BANK CO, LTD渤海銀行股份有限公司(A joint stock company incorporated in the People’s Republic of China with limited liability)(Stock Code: 9668)2026 INTERIM RESULTS ANNOUNCEMENTThe Board of Directors (the “Board”) of CHINA BOHAI BANK CO, LTD (the “Bank”) hereby announces the unaudited consolidated interim results of the Bank and its subsidiary for the six months ended June 30, 2026 This announcement, containing the full text of the 2026 interim report of the Bank, complies with the requirements of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited relating to information to accompany preliminary announcements of interim resultsPUBLICATION OF INTERIM RESULTS ANNOUNCEMENT AND INTERIM REPORTThe Chinese and English versions of this results announcement will be available on the website of Hong Kong Exchanges and Clearing Limited (wwwhkexnewshk) and the website of the Bank (wwwcbhbcomcn) If there are any discrepancies in interpretations between the Chinese and English versions, the Chinese version shall prevail The printed version of the Bank’s 2026 interim report will be despatched to the holders of H shares of the Bank requiring printed copy subsequently and will be available for viewing on the website of Hong Kong Exchanges and Clearing Limited (wwwhkexnewshk) and the website of the Bank (wwwcbhbcomcn) in due courseBy order of the BoardCHINA BOHAI BANK CO, LTDWANG JinhongChairmanTianjin, ChinaAugust 28, 2026As of the date of this announcement, the Board comprises Mr WANG Jinhong and Mr QU Hongzhi as executive directors; Mr AU Siu Luen, Ms YUAN Wei, Ms CUI Hongqin, Mr HU Aimin, Mr ZHANG Yunji and Ms LING Yingjie (employee director) as non-executive directors; and Mr TSE Yat Hong, Mr SHUM Siu Hung Patrick, Ms WANG Aijian, Mr LIU Junmin, Mr LIU Lanbiao and Mr OUYANG Yong as independent non-executive directors

RESULTS INTERIM ANNOUNCEMENT

2026-08-28 22:18:18

Announcements & Notices

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcementCHINA BOHAI BANK CO, LTD渤海銀行股份有限公司(A joint stock company incorporated in the People’s Republic of China with limited liability)(Stock Code: 9668)CHANGE OF COMPANY SECRETARY ANDAUTHORIZED REPRESENTATIVEThe board of directors (the “Board”) of CHINA BOHAI BANK CO, LTD (the “Bank”) hereby announces that, Ms ZHANG Xiao (“Ms ZHANG”) has resigned as (i) company secretary of the Bank (the “Company Secretary”); and (ii) an authorized representative of the Bank (the “Authorized Representative”) under Rule 305 of the Rules Governing the Listing of Securities (the “Listing Rules”) on The Stock Exchange of Hong Kong Limited (the “Hong Kong Stock Exchange”), due to a change in work arrangement with effect from August 28, 2026Ms ZHANG confirmed that she has no disagreement with the Board and there are no matters in relation to her resignation that need to be brought to the attention of the shareholders or creditors of the Bank or the Hong Kong Stock ExchangeThe Bank would like to take this opportunity to express its sincere gratitude to Ms ZHANG for her contribution and support towards the Bank during her term of officeThe Board is pleased to announce that Mr ZHANG Tianyuan (“Mr ZHANG”) has been appointed as the Company Secretary and an Authorized Representative with effect from August 28, 2026Mr ZHANG is a senior officer of SWCS Corporate Services Group (Hong Kong) Limited, a specialty corporate services provider He has been admitted as an associate of both the Hong Kong Chartered Governance Institute and the Chartered Governance Institute in the United Kingdom with the designations of Chartered Secretary and Chartered Governance Professional Mr ZHANG obtained a bachelor’s degree in applied biology from Hong Kong Baptist University in 2016, a master’s degree in information technology in education from the University of Hong Kong in 2021, and a master’s degree in corporate governance from the Hong Kong Polytechnic University in 2025By order of the BoardCHINA BOHAI BANK CO, LTDWANG JinhongChairmanTianjin, ChinaAugust 28, 2026As of the date of this announcement, the Board of the Bank comprises Mr WANG Jinhong and Mr QU Hongzhi as executive directors; Mr AU Siu Luen, Ms YUAN Wei, Ms CUI Hongqin, Mr HU Aimin, Mr ZHANG Yunji and Ms LING Yingjie (employee director) as non-executive directors; and Mr TSE Yat Hong, Mr SHUM Siu Hung Patrick, Ms WANG Aijian, Mr LIU Junmin, Mr LIU Lanbiao and Mr OUYANG Yong as independent non-executive directors

COMPANY SECRETARY AND OF AUTHORIZED

2026-08-28 22:17:34

Announcements & Notices

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcementCHINA BOHAI BANK CO, LTD渤海銀行股份有限公司(A joint stock company incorporated in the People’s Republic of China with limited liability)(Stock Code: 9668)NOTICE OF BOARD MEETINGThe board of directors (the “Board”) of CHINA BOHAI BANK CO, LTD (the “Bank”) hereby announces that a meeting of the Board will be held on Friday, August 28, 2026 for the purpose of, among other matters, considering and approving the interim results of the Bank and its subsidiary for the six months ended June 30, 2026 and its publicationBy order of the BoardCHINA BOHAI BANK CO, LTDWANG JinhongChairmanTianjin, ChinaAugust 18, 2026As of the date of this announcement, the Board comprises Mr WANG Jinhong and Mr QU Hongzhi as executive directors; Mr AU Siu Luen, Ms YUAN Wei, Ms CUI Hongqin, Mr HU Aimin, Mr ZHANG Yunji and Ms LING Yingjie (employee director) as non-executive directors; and Mr TSE Yat Hong, Mr SHUM Siu Hung Patrick, Ms WANG Aijian, Mr LIU Junmin, Mr LIU Lanbiao and Mr OUYANG Yong as independent non-executive directors

NOTICE OF MEETING BOARD

2026-08-18 16:36:32

Announcements & Notices

FF301Monthly Return for Equity Issuer and Hong Kong Depositary Receipts listed under Chapter 19B of the Exchange Listing Rules on Movements in Securities For the month ended: 31 July 2026 Status: New SubmissionTo : Hong Kong Exchanges and Clearing LimitedName of Issuer: CHINA BOHAI BANK CO, LTDDate Submitted: 05 August 2026I Movements in Authorised / Registered Share Capital1 Class of shares Ordinary shares Type of shares H Listed on the Exchange (Note 1) YesStock code (if listed) 09668 DescriptionNumber of authorised/registered shares Par value Authorised/registered share capitalBalance at close of preceding month 6,200,555,000 RMB 1 RMB 6,200,555,000Increase / decrease (-) RMBBalance at close of the month 6,200,555,000 RMB 1 RMB 6,200,555,0002 Class of shares Ordinary shares Type of shares Other type (specify in description) Listed on the Exchange (Note 1) NoStock code (if listed) - Description Domestic Unlisted SharesNumber of authorised/registered shares Par value Authorised/registered share capitalBalance at close of preceding month 11,561,445,000 RMB 1 RMB 11,561,445,000Increase / decrease (-) RMBBalance at close of the month 11,561,445,000 RMB 1 RMB 11,561,445,000Total authorised/registered share capital at the end of the month: RMB 17,762,000,000Page 1 of 10 v 121FF301II Movements in Issued Shares and/or Treasury Shares and Public Float Sufficiency Confirmation1 Class of shares Ordinary shares Type of shares H Listed on the Exchange (Note 1) YesStock code (if listed) 09668 DescriptionNumber of issued shares (excluding treasury shares) Number of treasury shares Total number of issued sharesBalance at close of preceding month 6,200,555,000 0 6,200,555,000Increase / decrease (-)Balance at close of the month 6,200,555,000 0 6,200,555,000Public float sufficiency confirmation (Note 4)Pursuant to Main Board Rule 1332D(1) or 19A28D(1) / GEM Rule 1737D(1) or 2521D(1), we hereby confirm that, in relation to the class of shares as set out above, as at the close of the month:✔ the applicable public float requirement (see below) has been complied withthe applicable public float requirement (see below) has not been complied withThe applicable minimum public float requirement for the class of shares as set out above pursuant to Main Board Rule 1332B or 19A28B / GEM Rule 1737B or 2521B (as the case may be) is: Applicable public float threshold Initial Prescribed Threshold - the minimum percentage of public float prescribed at the time of listing (please specify the percentage in "Minimum prescribed public float at the time of listing" below)Minimum prescribed public float at the time of listing Percentage: 1837% of the total number of issued shares in the class to which the listed shares belong (excluding treasury shares)Additional information2 Class of shares Ordinary shares Type of shares Other type(specify in description) Listed on the Exchange (Note 1) NoStock code (if listed) - Description Domestic Unlisted SharesNumber of issued shares (excluding treasury shares) Number of treasury shares Total number of issued sharesBalance at close of preceding month 11,561,445,000 0 11,561,445,000Increase / decrease (-)Balance at close of the month 11,561,445,000 0 11,561,445,000Page 2 of 10 v 121FF301III Details of Movements in Issued Shares and/or Treasury Shares(A) Share Options (under Share Option Schemes of the Issuer) Not applicablePage 3 of 10 v 121FF301(B) Warrants to Issue Shares of the Issuer Not applicablePage 4 of 10 v 121FF301(C) Convertibles (ie Convertible into Shares of the Issuer) Not applicablePage 5 of 10 v 121FF301(D) Any other Agreements or Arrangements to Issue Shares of the Issuer, including Options (other than Share Option Schemes) Not applicablePage 6 of 10 v 121FF301(E) Other Movements in Issued Shares and/or Treasury Shares Not applicablePage 7 of 10 v 121FF301IV Information about Hong Kong Depositary Receipt (HDR) Not applicablePage 8 of 10 v 121FF301V Confirmations Not applicableSubmitted by: WANG JinhongTitle: Chairman(Director, Secretary or other Duly Authorised Officer)Page 9 of 10 v 121FF301Notes1 The Exchange refers to The Stock Exchange of Hong Kong Limited2 In the case of repurchase of shares (shares repurchased and cancelled) and redemption of shares (shares redeemed and cancelled), "date of event" should be construed as "cancellation date"In the case of repurchase of shares (shares held as treasury shares), "date of event" should be construed as "date on which shares were repurchased and held by the issuer in treasury"3 The information is required in the case of repurchase of shares (shares repurchased for cancellation but not yet cancelled) and redemption of shares (shares redeemed but not yet cancelled) Please state the number of shares repurchased or redeemed during the month or in preceding month(s) but pending cancellation as at close of the month as a negative number4 "Initial Prescribed Threshold”, "Alternative Threshold” and "market value" have the meanings ascribed thereto under Main Board Rule 1332A or 19A28A / GEM Rule 1737A or 2521A See also Main Board Rule 1332D(4) or 19A28D(4) / GEM Rule 1737D(4) or 2521D(4) on the basis of the public float disclosure5 Items (i) to (viii) are suggested forms of confirmation The listed issuer may amend the item(s) that is/are not applicable to meet individual cases Where the issuer has already made the relevant confirmations in a return published under Main Board Rule 1325A / GEM Rule 1727A in relation to the securities issued, or the treasury shares sold or transferred, no further confirmation is required to be made in this return6 “Identical” means in this context:． the securities are of the same nominal value with the same amount called up or paid up;． they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to exactly the same sum (gross and net); and． they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respectsPage 10 of 10 v 121

ISSUER FOR SECURITIES ON IN

2026-08-05 15:48:20

Announcements & Notices

FF301Monthly Return for Equity Issuer and Hong Kong Depositary Receipts listed under Chapter 19B of the Exchange Listing Rules on Movements in Securities For the month ended: 30 June 2026 Status: New SubmissionTo : Hong Kong Exchanges and Clearing LimitedName of Issuer: CHINA BOHAI BANK CO, LTDDate Submitted: 06 July 2026I Movements in Authorised / Registered Share Capital1 Class of shares Ordinary shares Type of shares H Listed on the Exchange (Note 1) YesStock code (if listed) 09668 DescriptionNumber of authorised/registered shares Par value Authorised/registered share capitalBalance at close of preceding month 6,200,555,000 RMB 1 RMB 6,200,555,000Increase / decrease (-) RMBBalance at close of the month 6,200,555,000 RMB 1 RMB 6,200,555,0002 Class of shares Ordinary shares Type of shares Other type (specify in description) Listed on the Exchange (Note 1) NoStock code (if listed) - Description Domestic Unlisted SharesNumber of authorised/registered shares Par value Authorised/registered share capitalBalance at close of preceding month 11,561,445,000 RMB 1 RMB 11,561,445,000Increase / decrease (-) RMBBalance at close of the month 11,561,445,000 RMB 1 RMB 11,561,445,000Total authorised/registered share capital at the end of the month: RMB 17,762,000,000Page 1 of 10 v 121FF301II Movements in Issued Shares and/or Treasury Shares and Public Float Sufficiency Confirmation1 Class of shares Ordinary shares Type of shares H Listed on the Exchange (Note 1) YesStock code (if listed) 09668 DescriptionNumber of issued shares (excluding treasury shares) Number of treasury shares Total number of issued sharesBalance at close of preceding month 6,200,555,000 0 6,200,555,000Increase / decrease (-)Balance at close of the month 6,200,555,000 0 6,200,555,000Public float sufficiency confirmation (Note 4)Pursuant to Main Board Rule 1332D(1) or 19A28D(1) / GEM Rule 1737D(1) or 2521D(1), we hereby confirm that, in relation to the class of shares as set out above, as at the close of the month:✔ the applicable public float requirement (see below) has been complied withthe applicable public float requirement (see below) has not been complied withThe applicable minimum public float requirement for the class of shares as set out above pursuant to Main Board Rule 1332B or 19A28B / GEM Rule 1737B or 2521B (as the case may be) is: Applicable public float threshold Initial Prescribed Threshold - the minimum percentage of public float prescribed at the time of listing (please specify the percentage in "Minimum prescribed public float at the time of listing" below)Minimum prescribed public float at the time of listing Percentage: 1837% of the total number of issued shares in the class to which the listed shares belong (excluding treasury shares)Additional information2 Class of shares Ordinary shares Type of shares Other type(specify in description) Listed on the Exchange (Note 1) NoStock code (if listed) - Description Domestic Unlisted SharesNumber of issued shares (excluding treasury shares) Number of treasury shares Total number of issued sharesBalance at close of preceding month 11,561,445,000 0 11,561,445,000Increase / decrease (-)Balance at close of the month 11,561,445,000 0 11,561,445,000Page 2 of 10 v 121FF301III Details of Movements in Issued Shares and/or Treasury Shares(A) Share Options (under Share Option Schemes of the Issuer) Not applicablePage 3 of 10 v 121FF301(B) Warrants to Issue Shares of the Issuer Not applicablePage 4 of 10 v 121FF301(C) Convertibles (ie Convertible into Shares of the Issuer) Not applicablePage 5 of 10 v 121FF301(D) Any other Agreements or Arrangements to Issue Shares of the Issuer, including Options (other than Share Option Schemes) Not applicablePage 6 of 10 v 121FF301(E) Other Movements in Issued Shares and/or Treasury Shares Not applicablePage 7 of 10 v 121FF301IV Information about Hong Kong Depositary Receipt (HDR) Not applicablePage 8 of 10 v 121FF301V Confirmations Not applicableSubmitted by: WANG JinhongTitle: Chairman(Director, Secretary or other Duly Authorised Officer)Page 9 of 10 v 121FF301Notes1 The Exchange refers to The Stock Exchange of Hong Kong Limited2 In the case of repurchase of shares (shares repurchased and cancelled) and redemption of shares (shares redeemed and cancelled), "date of event" should be construed as "cancellation date"In the case of repurchase of shares (shares held as treasury shares), "date of event" should be construed as "date on which shares were repurchased and held by the issuer in treasury"3 The information is required in the case of repurchase of shares (shares repurchased for cancellation but not yet cancelled) and redemption of shares (shares redeemed but not yet cancelled) Please state the number of shares repurchased or redeemed during the month or in preceding month(s) but pending cancellation as at close of the month as a negative number4 "Initial Prescribed Threshold”, "Alternative Threshold” and "market value" have the meanings ascribed thereto under Main Board Rule 1332A or 19A28A / GEM Rule 1737A or 2521A See also Main Board Rule 1332D(4) or 19A28D(4) / GEM Rule 1737D(4) or 2521D(4) on the basis of the public float disclosure5 Items (i) to (viii) are suggested forms of confirmation The listed issuer may amend the item(s) that is/are not applicable to meet individual cases Where the issuer has already made the relevant confirmations in a return published under Main Board Rule 1325A / GEM Rule 1727A in relation to the securities issued, or the treasury shares sold or transferred, no further confirmation is required to be made in this return6 “Identical” means in this context:． the securities are of the same nominal value with the same amount called up or paid up;． they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to exactly the same sum (gross and net); and． they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respectsPage 10 of 10 v 121

ISSUER FOR ON SECURITIES MOVEMENTS

2026-07-06 16:12:18

Announcements & Notices

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcementCHINA BOHAI BANK CO, LTD渤海銀行股份有限公司(A joint stock company incorporated in the People’s Republic of China with limited liability)(Stock Code: 9668)RESIGNATION OF INDEPENDENT NON-EXECUTIVE DIRECTORThe board of directors (the “Board”) of CHINA BOHAI BANK CO, LTD (the “Bank”) hereby announces that, the Board has received the resignation letter from Mr TSE Yat Hong (“Mr TSE”) In accordance with the relevant provisions of the Code of Corporate Governance of Banking and Insurance Institutions 《( 銀行保險機構公司治理準則》), independent directors shall not hold office for over six years in total in a banking or insurance institution As Mr TSE has served as an independent non-executive director of the Bank for six years, he resigned as an independent non-executive director of the Bank, the chairman of the audit and consumer rights protection committee of the Board, a member of the risk management and green finance committee of the Board and a member of the related party transactions control committee of the Board As considered and approved by the Board, his resignation will become effective upon the election of the successor independent non-executive director by the shareholders’ general meeting of the Bank and on the date such successor independent non-executive director obtains the qualification approval from the regulatory authority During this period, Mr TSE will continue to perform his duties as an independent non-executive director of the Bank, the chairman of the audit and consumer rights protection committee of the Board, a member of the risk management and green finance committee of the Board and a member of the related party transactions control committee of the BoardMr TSE has confirmed that he has no disagreement with the Board, and there are no matters relating to his resignation that need to be brought to the attention of the shareholders or creditors of the Bank or The Stock Exchange of Hong Kong LimitedThe Bank would like to take this opportunity to express its sincere gratitude to Mr TSE for his contribution and support towards the Bank during his term of officeBy order of the BoardCHINA BOHAI BANK CO, LTDWANG JinhongChairmanTianjin, ChinaJune 30, 2026As of the date of this announcement, the Board of the Bank comprises Mr WANG Jinhong and Mr QU Hongzhi as executive directors; Mr AU Siu Luen, Ms YUAN Wei, Ms CUI Hongqin, Mr HU Aimin, Mr ZHANG Yunji and Ms LING Yingjie (employee director) as non-executive directors; and Mr TSE Yat Hong, Mr SHUM Siu Hung Patrick, Ms WANG Aijian, Mr LIU Junmin, Mr LIU Lanbiao and Mr OUYANG Yong as independent non-executive directors

RESIGNATION INDEPENDENT DIRECTOR NON-EXECUTIVE OF

2026-06-30 17:57:03