# EDGAR Filing Document

**Accession Number:** 0001132924
**File Stem:** 0001193125-25-310497
**Filing Date:** 2025-12
**Character Count:** 4651
**Document Hash:** 8597fa983a73ce696ebda85943d0a13a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-310497.hdr.sgml**: 20251208

**ACCESSION NUMBER**: 0001193125-25-310497

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251208

**FILED AS OF DATE**: 20251208

**DATE AS OF CHANGE**: 20251208

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CHUNGHWA TELECOM CO LTD
- **CENTRAL INDEX KEY:** 0001132924
- **STANDARD INDUSTRIAL CLASSIFICATION:** RADIO TELEPHONE COMMUNICATIONS [4812]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-31731
- **FILM NUMBER:** 251554561

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 21 3 HSINYI RD SECTION 1
- **STREET 2:** TAIPEI TAIWAN REPUBLIC OF CHINAA
- **CITY:** TAIPEI TAIWAN
- **PROVINCE COUNTRY:** F5
- **BUSINESS PHONE:** 886223445488

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 21 3 HSINYI RD SECTION 1
- **STREET 2:** TAIPEI TAIWAN REPUBLIC OF CHINA
- **CITY:** TAIPEI TAIWAN
- **PROVINCE COUNTRY:** F5

**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 December 8, 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)

------

**<u>EXHIBIT INDEX</u>**

---

| | | |
|:---|:---|:---|
| **Exhibit** | **Description** |  |
| 99.1<br>99.2 | Announcement on 2025/12/3:<br>Announcement on 2025/12/5:<br>| Taiwan Taoyuan District Prosecutors Office raided the staff offices of the local business operation centers of the Company<br>Purchase of Renewable Energy from GREENET CO., LTD. |

---

------

**<u>SIGNATURE</u>**

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: December 8, 2025 |  |
|  | Chunghwa Telecom Co., Ltd. |
|  | By: <u>/s/</u> <u>Wen-Hsin Hsu</u> |
|  | Name: Wen-Hsin Hsu |
|  | Title: Chief Financial Officer |

---

------

EXHIBIT 99.1

**Taiwan Taoyuan District Prosecutors Office raided the staff offices of the local business operation centers of the Company**

Date of events:2025/12/03

Contents:

1. Date of occurrence of the event:2025/12/03

2. Cause of occurrence: Taiwan Taoyuan District Prosecutors Office directed the Kaohsiung Investigation Branch of the Investigation Bureau, Ministry of Justice to raid the staff offices of the local business operation centers of the Company.

3. Countermeasures: the Company was in full cooperation with the investigation.

4. Effect on the Company's finances and business: None

5. Any other matters that need to be specified: None

------

EXHIBIT 99.2

**Purchase of Renewable Energy from GREENET CO., LTD.**

Date of events:2025/12/05

Contents:

1. Date of occurrence of the event: 2025/12/05

2. Company name: Chunghwa Telecom Co., Ltd.

3. Relationship to the Company (please enter "head office" or "subsidiaries"): Head office

4. Reciprocal shareholding ratios: N/A

5. Cause of occurrence: The Company aims to achieve the goals of reducing carbon emissions by 50% and ensuring 100% renewable energy usage in IDC data centers by 2030, as well as meeting RE100 by 2040 and reaching net-zero emissions by 2045.

6. Countermeasures: Purchase renewable energy from GREENET CO., LTD. for a period of 20 years, totaling at least 4.6 billion kWh of diversified green electricity.

7. Any other matters that need to be specified (the information disclosure also meets the requirements of Article 7, subparagraph 9 of the Securities and Exchange Act Enforcement Rules, which brings forth a significant impact on shareholders rights or the price of the securities on public companies.): None

------