Exhibit 99.3

(a joint stock limited company incorporated in the People’s Republic of China with limited liability)
(Stock Code: 1055)
Attachment B
| | | | | | |
| | | | The number of H Shares to which this proxy form relates1 | | |
Form of Proxy for Class Meeting for Holders of H Shares
I/We2, , residing at , being the registered holder of3 ordinary shares of the Company, HEREBY, APPOINT4, ,
residing at as my/our proxy/proxies to attend on my/our behalf the 2023 first class meeting for holders of H shares (the “Class Meeting”) of China Southern Airlines Company Limited (the “Company”) to be held at the No. 3301 Conference Room, 33th Floor, China Southern Airlines Building, No. 68 Qixin Road, Bai Yun District, Guangzhou, Guangdong Province, the PRC immediately after the conclusion of the EGM of the Company on Thursday, 3 August 2023 and to act and vote on my/our behalf at the Class Meeting in respect of the resolutions listed below, in accordance with my/our instructions below5.
| | | | | | | | |
Special Resolutions | | For5 | | Against5 | | Abstain5 |
1.00 | | Resolution regarding the Proposal of the Issue of A Shares to Specific Entities by the Company. | | |
| | | | |
1.01 | | Types of Shares to be issued and the nominal value | | | | | | |
| | | | |
1.02 | | Issue method and period | | | | | | |
| | | | |
1.03 | | Subscribers and subscription method | | | | | | |
| | | | |
1.04 | | Price benchmark date, issue price and pricing method | | | | | | |
| | | | |
1.05 | | Number of shares to be issued | | | | | | |
| | | | |
1.06 | | Lock-up period | | | | | | |
| | | | |
1.07 | | Proceeds raised and the use of proceeds | | | | | | |
| | | | |
1.08 | | Place of listing | | | | | | |
| | | | |
1.09 | | The arrangement for the distribution of undistributed profits accumulated before the issue of A Shares to specific entities | | | | | | |
| | | | |
1.10 | | Validity period of this resolution regarding the issue of A Shares to specific entities | | | | | | |
| | | | |
2. | | Resolution regarding the Preliminary Proposal of the Issue of A Shares to Specific Entities by the Company. | | | | | | |
| | | | |
3. | | Resolution regarding the Connected Transactions Involved in the Issue of A Shares to Specific Entities by the Company. | | | | | | |
| | | | |
4. | | Resolution regarding the Conditional Subscription Agreement in relation to the Subscription of A Shares under the Issue of A Shares to Specific Entities by China Southern Airlines Company Limited Entered into between the Company and the Specific Entity. | | | | | | |