Hytera Communications Corporation Limited Sixth Board of Directors Second Meeting Resolution Announcement

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Stock Code: 002583 Stock Abbreviation: Hainan Data Announcement No.: 2026-010

Hainan Data Communications Co., Ltd.

Announcement of the Resolutions of the Second Meeting of the Sixth Board of Directors

The company and all members of the board of directors guarantee that the information disclosed is true, accurate, and complete, with no false records, misleading statements, or major omissions.

1. Meeting convening details

2. The second meeting of the sixth board of directors of Hainan Data Communications Co., Ltd. (hereinafter referred to as “the Company”) was sent to all directors via email and phone on March 12, 2026.

3. The meeting was held on March 16, 2026, in a combined on-site and teleconference format at the company’s conference room.

4. Nine directors were expected to attend, and nine actually attended (including four directors participating via communication voting, and none were absent). Directors Sun Pengfei, Independent Directors Zhang Xuebin, Li Qiang, and Wang Xingjun attended via communication voting. Director Sun Pengfei, Independent Director Zhang Xuebin, Li Qiang, and Wang Xingjun participated via communication voting.

5. The meeting was chaired by Chairman Chen Qingzhou, with Secretary of the Board Zhou Yan present.

6. The convening of this meeting complies with relevant laws, administrative regulations, departmental rules, normative documents, and the company’s articles of association.

7. Review of the meeting

8. Approved the “Proposal on Increasing Bank Credit Lines” with 9 votes in favor, 0 against, and 0 abstentions.

Agreed that the company applies to the Shenzhen Branch of Guangzhou Bank Co., Ltd. for a new comprehensive credit line not exceeding RMB 250 million or equivalent foreign currency, and authorized Chairman Chen Qingzhou to sign all credit documents within this limit on behalf of the company.

For details, see the “Announcement of New Bank Credit Line” (Announcement No.: 2026-011) on the company’s designated information disclosure media: Securities Times, Securities Daily, Shanghai Securities News, China Securities Journal, and Juchao Information Network.

2. Approved the “Proposal on the Transfer of Shares in the Company’s Controlling Subsidiary by the Employee Shareholding Platform and the Company’s Waiver of Rights” with 4 votes in favor, 0 against, and 0 abstentions. Director Chen Qingzhou recused himself from voting due to conflict of interest; Directors Jiang Yelin, Sun Pengfei, Yu Ping, and Kang Jiliang, who participated in the employee shareholding platform, also recused themselves.

Agreed that Shenzhen Haineng Chuangda Investment Partnership (Limited Partnership) will transfer its 4.94% stake in Hades Communications Co., Ltd. to Mr. Chen Qingzhou for RMB 91.09 million. The company waives its preemptive rights to subscribe for the shares held by Shenzhen Haineng Chuangda Investment Partnership.

This proposal was approved at the first meeting of the sixth board’s independent directors.

For details, see the “Announcement of Transfer of Controlling Shareholder’s Equity and Waiver of Rights” (Announcement No.: 2026-012) on the company’s designated information disclosure media.

3. Documents for record

• Resolutions of the second meeting of the sixth board of directors;

• Resolutions of the first meeting of the sixth independent directors’ special committee.

This announcement is hereby made.

Board of Directors of Hainan Data Communications Co., Ltd.

March 16, 2026

Stock Code: 002583 Stock Abbreviation: Hainan Data Announcement No.: 2026-012

Hainan Data Communications Co., Ltd.

Announcement on the Transfer of Shares in the Controlling Subsidiary by the Employee Shareholding Platform and the Company’s Waiver of Rights

The company and all members of the board guarantee that the disclosed information is true, accurate, and complete, with no false records, misleading statements, or major omissions.

Hainan Data Communications Co., Ltd. (hereinafter referred to as “the Company” or “Hainan Data”) held the second meeting of the sixth board of directors on March 16, 2026, during which the “Proposal on the Transfer of Shares in the Controlling Subsidiary by the Employee Shareholding Platform and the Company’s Waiver of Rights” was approved. The relevant matters are announced as follows:

1. Overview

Hades Communications Co., Ltd. (hereinafter “Hades”) is a controlling subsidiary of the company. As of the date of this announcement, the company holds an 80.23% stake in Hades. The company’s controlling shareholder and actual controller, Mr. Chen Qingzhou, directly controls Shenzhen Haineng De Investment Partnership (Limited Partnership) (“Haineng De”), which holds 9.88% of Hades. Shenzhen Haineng Chuangda Investment Partnership (Limited Partnership) (“Haineng Chuangda”) holds 4.94%. Based on mutual agreement, Haineng Chuangda plans to transfer its 4.94% stake in Hades to Mr. Chen Qingzhou for RMB 91.09 million. After the transaction, Mr. Chen will directly hold 4.94% of Hades, Haineng Chuangda will no longer hold shares, and the company’s and other shareholders’ shareholding ratios will remain unchanged. For details, see the “Announcement on Introducing Employee Shareholding Platform to Capitalize Fully-Owned Subsidiary” (2021-005) published on January 12, 2021.

Mr. Chen Qingzhou is the company’s controlling shareholder, actual controller, and chairman, a related natural person. According to the Shenzhen Stock Exchange Listing Rules, the Self-Regulatory Guidelines No. 7 on Trading and Related Transactions, and the company’s articles of association, this transaction constitutes a related-party transaction. The company waives its preemptive rights to subscribe for the shares held by Haineng Chuangda. This transaction does not constitute a major asset reorganization under the “Administrative Measures for Major Asset Restructuring of Listed Companies.”

The transaction was approved at the second meeting of the sixth board and the first meeting of the sixth independent directors’ special committee. Director Chen Qingzhou recused himself from the board vote. Directors Jiang Yelin, Kang Jiliang, Sun Pengfei, and Yu Ping, who participated in the shareholding platform, also recused themselves. According to the Listing Rules and the articles of association, this transaction falls within the authority of the board of directors and does not require shareholder approval.

2. Basic information of the parties

(1) Related party: Chen Qingzhou

Residence: Nanshan District, Shenzhen

Position: Chairman of the Company

Relationship: Mr. Chen is the company’s controlling shareholder, actual controller, and chairman, a related natural person.

Mr. Chen is not a dishonest person subject to enforcement.

(2) Basic information of Haineng Chuangda

Name: Shenzhen Haineng Chuangda Investment Partnership (Limited Partnership)

Unified Social Credit Code: 91440300MA5GGTCJ94

Address: 7th Floor, Building A, Feiyang Technology Park, Longchang Road, Bao’an District, Shenzhen

Managing Partner: Shenzhen Jiafa Holding Group Co., Ltd.

Paid-in Capital: RMB 68.75 million

Business Scope: Investment in industry development (specific projects to be separately reported); investment consulting (excluding trust, securities, futures, insurance, and other financial businesses); venture capital (not engaging in securities investment, public fundraising, or fund management); venture capital for startups and related activities.

3. Basic information of the target

4. Basic info

Name: Hades Communications Co., Ltd.

Type: Limited Liability Company

Unified Social Credit Code: 91440300MA5FTC9M8Q

Registered Address: Room 1802, Block A, Building 6, Shenzhen International Innovation Valley, Xili Street, Nanshan District, Shenzhen

Legal Representative: Zhang Yang

Registered Capital: RMB 249.2728 million

Establishment Date: September 16, 2019

Relationship with the company: Controlling subsidiary; the company holds 80.23%; Shenzhen Haineng De Investment Partnership (Limited Partnership) holds 9.88%; Haineng Chuangda holds 4.94%; Shenzhen Tianhai Julin Investment Partnership (Limited Partnership) holds 4.94%.

Business Scope: Development, sales, and related technical consulting of radio communication equipment and software; video surveillance system technology development, sales, and consulting; communication equipment development, sales, and consulting; embedded software development and sales for communication and computer software; communication system engineering services; information system integration R&D and sales; import/export of goods and technology; automobile sales; auto parts wholesale and retail; manufacturing of auto parts; sales of smart vehicle equipment; vehicle repair and maintenance; railway locomotive and vehicle sales; railway parts manufacturing and sales. (Except projects requiring approval, operate independently with business license.) Production of radio communication equipment and software; development of video surveillance system technology. (Projects requiring approval must be approved by relevant departments before operation; specific projects subject to approval documents or permits.)

Hades is not a dishonest person subject to enforcement, its ownership is clear, and its shares are not mortgaged, pledged, or subject to third-party rights.

2. Main financial indicators

(Unit: RMB 10,000)

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4. Pricing policy and basis for this related-party transaction

The valuation of the equity transfer follows principles of fairness, justice, equality, and voluntariness. It considers industry development and Hades’ operational status, based on Hades’ net assets, negotiated by both parties, and does not harm the interests of the listed company or all shareholders.

5. Main contents of the transaction agreement

(1) Parties

Transferor: Shenzhen Haineng Chuangda Investment Partnership (Limited Partnership)

Transferee: Chen Qingzhou

(2) Target of transfer

The 4.94% equity stake in Hades Communications Co., Ltd. held by the transferor, including shareholder rights and obligations.

(3) Price and payment

1. Transfer price: RMB 91.09 million.

2. Payment method: The transferee shall pay the transfer amount to the designated bank account of the transferor within 10 days after the agreement becomes effective.

(4) Conditions for effectiveness

This agreement becomes effective upon signing and sealing by both parties and approval by the company’s board of directors.

6. Other arrangements related to the transaction

Apart from the company’s waiver of preemptive rights, no other related-party transactions will arise from this matter. It will not lead to competition with related parties or non-operational capital occupation. It does not involve personnel arrangements, land leasing, debt restructuring, asset swaps, or other arrangements, nor will it create new related-party transactions, competition, or non-operational capital occupation.

7. Impact on the listed company

The company’s waiver of preemptive rights is a prudent decision based on strategic planning and operational needs. After the transaction, the company’s shareholding in Hades remains at 80.23%, and Hades remains a controlling subsidiary. The company’s consolidated financial statements will not change. The transaction does not harm the interests of the company or shareholders, especially minority shareholders, and will not significantly affect the company’s financial condition or operations, nor its independence.

8. Cumulative related-party transactions

From the beginning of this year to the disclosure date, the total related-party transaction amount with Mr. Chen Qingzhou and his controlled enterprises is RMB 0 (excluding this transaction).

9. Documents for record

• Resolutions of the second meeting of the sixth board of directors;

• Resolutions of the first meeting of the sixth independent directors’ special committee;

• Summary of related-party transaction details.

This announcement is hereby made.

Board of Directors of Hainan Data Communications Co., Ltd.

March 16, 2026

Stock Code: 002583 Stock Abbreviation: Hainan Data Announcement No.: 2026-011

Hainan Data Communications Co., Ltd.

Announcement on the Increase of Bank Credit Line

The company and all members of the board guarantee that the disclosed information is true, accurate, and complete, with no false records, misleading statements, or major omissions.

Hainan Data Communications Co., Ltd. (hereinafter “the Company” or “Hainan Data”) held the second meeting of the sixth board of directors on March 16, 2026, during which the “Proposal on Increasing Bank Credit Line” was approved. The relevant details are announced as follows:

1. Background of the new credit line

To effectively meet the company’s development and operational capital needs, the company plans to apply to Guangzhou Bank Co., Ltd. Shenzhen Branch (“Guangzhou Bank Shenzhen Branch”) for a new comprehensive credit line not exceeding RMB 250 million or equivalent foreign currency.

2. Basic information of the new credit line

The company plans to apply for a total of up to RMB 250 million or equivalent foreign currency, including but not limited to working capital loans, bank acceptance bills, letters of credit, discounting, guarantees, trade financing, export credit, and leasing. The final amount will be based on the bank’s actual approval and the company’s operational needs. Individual transactions will not require separate board approval. The authorization period is one year from the date of approval by the board. The chairman, Chen Qingzhou, is authorized to sign all related credit documents, and the company will bear all legal and economic responsibilities arising therefrom.

3. Collateral arrangements

Subsidiary Nanjing Haineng Software Technology Co., Ltd., Shenzhen Anzhijie Technology Co., Ltd., and Hebi Tianhai Electronic Information System Co., Ltd. will provide joint liability guarantees up to RMB 250 million for the company’s credit lines, signing guarantee agreements with Guangzhou Bank. The company will pledge 100% of Nanjing Haineng Software’s shares as collateral, and Nanjing Haineng Software will provide a mortgage with property No. Su (2024) Ning Yu Bu Dong Chan Di No. 0022644 for up to RMB 250 million.

4. Record files

• Resolutions of the second meeting of the sixth board of directors.

This announcement is hereby made.

Board of Directors of Hainan Data Communications Co., Ltd.

March 16, 2026