CHUNGHWA TELECOM CO LTD

Foreign Filer Report • Nov 24, 2025

6-K 1 cht_6k_20251124.htm 6-K DFIN ActiveDisclosure (SM) HTML Document - http://www.dfinsolutions.com/ Creation Date :2025-11-23T20:34:01.7890+00:00 Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. 6-K

1934 Act Registration No. 1-31731

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 OF

THE SECURITIES EXCHANGE ACT OF 1934

Dated November 24, 2025

Chunghwa Telecom Co., Ltd.

(Translation of Registrant’s Name into English)

21-3 Xinyi Road Sec. 1,

Taipei, Taiwan, 100 R.O.C.

(Address of Principal Executive Office)

(Indicate by check mark whether the registrant files or will file annual reports under cover of form 20-F or Form 40-F.)

Form 20-F ☒ Form 40-F ☐

(Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.)

Yes ☐ No ☒

(If “Yes” is marked, indicated below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable)

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EXHIBIT INDEX

Exhibit	Description
99.1 99.2 99.3	Announcement on 2025/11/18: Announcement on 2025/11/18: Announcement on 2025/11/18:	Honghwa International Corporation, the Company's subsidiary, announced the acquisition of right-of-use asset from the Company Honghwa International Corporation, the Company's subsidiary, announced the acquisition of right-of-use asset from the Company The company announced the purchase of "mobile broadband service equipment" from Ericsson Taiwan Ltd.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant Chunghwa Telecom Co., Ltd. has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: November 24, 2025
Chunghwa Telecom Co., Ltd.
By: /s/ Wen-Hsin Hsu
Name: Wen-Hsin Hsu
Title: Chief Financial Officer

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EXHIBIT 99.1

Honghwa International Corporation, the Company's subsidiary, announced the acquisition of right-of-use asset from the Company

Date of events: 2025/11/18

Contents:

1. Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City): No. 65*, Sec. 2, Liming Rd., Nantun Dist., Taichung City

2. Date of occurrence of the event: 2025/11/18

3. Date of the board of directors resolution: NA

4. Other approval date: 2025/11/18

5. Transaction unit amount (e.g.XX square meters, equivalent to XX ping), unit price, and total transaction price:

Transaction volume: 125 pings

Unit price: average NT$607 per ping per month

Total transaction amount: NT$3,945,000

Right-of-use asset: NT$3,593,101

1. Trading counterparty and its relationship with the Company (if the trading counterparty is a natural person and furthermore is not a related party of the Company, the name of the trading counterparty is not required to be disclosed): Chunghwa Telecom Co., Ltd.; parent company

2. Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer:

The Reason for choosing the related party as trading counterparty:

The most appropriate place in terms of cost and business requirements

The identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer : N/A

1. Where an owner of the underlying assets within the past five years has been a related party of the Company, the announcement shall also include the date and price of acquisition and disposal by the related party, and its relationship with the Company at the time of the transaction: N/A

2. Projected gain (or loss) through disposal (not applicable for acquisition of assets; those with deferral should provide a table explaining recognition): N/A

3. Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important terms and conditions:

Terms of delivery or payment: monthly payment

Payment period: fifty-two months

Restrictive covenants in the contract and other important terms and conditions: None

1. The manner of deciding on this transaction (such as invitation to tender, price comparison, or price negotiation), the reference basis for the decision on price, and the decision-making unit:

Trading decision method and price reference basis: Price negotiation

Decision-making unit: Chairman authorized by Board of Directors

1. Name of the professional appraisal firm or company and its appraisal price: N/A

2. Name of the professional appraiser: N/A

3. Practice certificate number of the professional appraiser: N/A

4. The appraisal report has a limited price, specific price, or special price: N/A

5. An appraisal report has not yet been obtained: N/A

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1. Reason for an appraisal report not being obtained: N/A

2. Reason for any significant discrepancy with the appraisal reports and opinion of the CPA: N/A

3. Name of the CPA firm: N/A

4. Name of the CPA: N/A

5. Practice certificate number of the CPA: N/A

6. Broker and broker's fee: N/A

7. Concrete purpose or use of the acquisition or disposal: Office premises

8. Any dissenting opinions of directors to the present transaction: No

9. Whether the counterparty of the current transaction is a related party: Yes

10. Date of ratification by supervisors or approval by the audit committee: 2025/12/11

11. The transaction is to acquire a real property or right-of-use asset from a related party: Yes

12. The price assessed in accordance with the Article 16 of the Regulations Governing the Acquisition and Disposal of Assets by Public Companies: N/A

13. Where the above assessed price is lower than the transaction price, the price assessed in accordance with the Article 17 of the same regulations: N/A

14. Date on which material information regarding the same event has been previously released: NA

15. Any other matters that need to be specified:

The Board of Directors authorized the Chairman to decide on the matters and have the decisions submitted to and ratified by the coming Board of Directors meeting (expected 2025/12/11).

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EXHIBIT 99.2

Honghwa International Corporation, the Company's subsidiary, announced the acquisition of right-of-use asset from the Company

Date of events: 2025/11/18

Contents:

1. Name and nature of the underlying asset (e.g., land located at Sublot XX,

Lot XX, North District, Taichung City):

8F., No. 8*, Sec. 4, Xinyi Rd., Da'an Dist., Taipei City

1. Date of occurrence of the event: 2025/11/18

2. Date of the board of directors resolution: NA

3. Other approval date: 2025/11/18

4. Transaction unit amount (e.g.XX square meters, equivalent to XX ping), unit price, and total transaction price:

Transaction volume: 2 pings

Unit price: average NT$2,458 per ping per month

Total transaction amount: NT$235,920

Right-of-use asset: NT$215,666

1. Trading counterparty and its relationship with the Company (if the trading counterparty is a natural person and furthermore is not a related party of the Company, the name of the trading counterparty is not required to be disclosed): Chunghwa Telecom Co., Ltd.; parent company

2. Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer:

The Reason for choosing the related party as trading counterparty:

The most appropriate place in terms of cost and business requirements

The identity of the previous owner, its relationship with the Company

and the trading counterparty, and the previous date and monetary amount of transfer : N/A

1. Where an owner of the underlying assets within the past five years has been a related party of the Company, the announcement shall also include the date and price of acquisition and disposal by the related party, and its relationship with the Company at the time of the transaction: N/A

2. Projected gain (or loss) through disposal (not applicable for acquisition of assets; those with deferral should provide a table explaining recognition): N/A

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1. Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important terms and conditions:

Terms of delivery or payment: monthly payment

Payment period: four years

Restrictive covenants in the contract and other important terms and conditions: None

1. The manner of deciding on this transaction (such as invitation to tender, price comparison, or price negotiation), the reference basis for the decision on price, and the decision-making unit:

Trading decision method and price reference basis: Price negotiation

Decision-making unit: Chairman authorized by Board of Directors

1. Name of the professional appraisal firm or company and its appraisal price: N/A

2. Name of the professional appraiser: N/A

3. Practice certificate number of the professional appraiser: N/A

4. The appraisal report has a limited price, specific price, or special price: N/A

5. An appraisal report has not yet been obtained: N/A

6. Reason for an appraisal report not being obtained: N/A

7. Reason for any significant discrepancy with the appraisal reports and opinion of the CPA: N/A

8. Name of the CPA firm: N/A

9. Name of the CPA: N/A

10. Practice certificate number of the CPA: N/A

11. Broker and broker's fee: N/A

12. Concrete purpose or use of the acquisition or disposal: Office premises

13. Any dissenting opinions of directors to the present transaction: No

14. Whether the counterparty of the current transaction is a related party: Yes

15. Date of ratification by supervisors or approval by the audit committee: 2025/12/11

16. The transaction is to acquire a real property or right-of-use asset from a related party: Yes

17. The price assessed in accordance with the Article 16 of the Regulations Governing the Acquisition and Disposal of Assets by Public Companies: N/A

18. Where the above assessed price is lower than the transaction price, the price assessed in accordance with the Article 17 of the same regulations: N/A

19. Date on which material information regarding the same event has been previously released: NA

20. Any other matters that need to be specified:

The Board of Directors authorized the Chairman to decide on the matters and have the decisions submitted to and ratified by the coming Board of Directors meeting (expected 2025/12/11).

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EXHIBIT 99.3

The company announced the purchase of "mobile broadband service equipment" from Ericsson Taiwan Ltd.

Date of events: 2025/11/18

Contents:

1. Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City):

Mobile broadband construction project

1. Date of occurrence of the event: 2025/06/27~2025/11/18

2. Date of the board of directors resolution: NA

3. Other approval date: 2025/10/08

4. Transaction unit amount (e.g.XX square meters, equivalent to XX ping), unit price, and total transaction price:

Mobile broadband construction project, with an accumulated amount of NT$2.226 billion

1. Trading counterparty and its relationship with the Company (if the trading counterparty is a natural person and furthermore is not a related party of the Company, the name of the trading counterparty is not required to be disclosed):

Trading counterparty: Ericsson Taiwan Ltd.

Relationship with the Company: None

1. Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer: NA

2. Where an owner of the underlying assets within the past five years has been a related party of the Company, the announcement shall also include the date and price of acquisition and disposal by the related party, and its relationship with the Company at the time of the transaction: NA

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1. Projected gain (or loss) through disposal (not applicable for acquisition of assets; those with deferral should provide a table explaining recognition): NA

2. Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important terms and conditions: According to the contract

3. The manner of deciding on this transaction (such as invitation to tender, price comparison, or price negotiation), the reference basis for the decision on price, and the decision-making unit: In accordance withthe procurement and management regulations of Chunghwa Telecom

4. Name of the professional appraisal firm or company and its appraisal price: NA

5. Name of the professional appraiser: NA

6. Practice certificate number of the professional appraiser: NA

7. The appraisal report has a limited price, specific price, or special price: NA

8. An appraisal report has not yet been obtained: NA

9. Reason for an appraisal report not being obtained: NA

10. Reason for any significant discrepancy with the appraisal reports and opinion of the CPA: NA

11. Name of the CPA firm: NA

12. Name of the CPA: NA

13. Practice certificate number of the CPA: NA

14. Broker and broker's fee: NA

15. Concrete purpose or use of the acquisition or disposal:

Mobile broadband construction project

1. Any dissenting opinions of directors to the present transaction: None

2. Whether the counterparty of the current transaction is a related party: No

3. Date of ratification by supervisors or approval by the audit committee: NA

4. The transaction is to acquire a real property or right-of-use asset from a related party: No

5. The price assessed in accordance with the Article 16 of the Regulations Governing the Acquisition and Disposal of Assets by Public Companies: NA

6. Where the above assessed price is lower than the transaction price, the price assessed in accordance with the Article 17 of the same regulations: NA

7. Date on which material information regarding the same event has been previously released: NA

8. Any other matters that need to be specified: The latest award date for this case is November 18, 2025.

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