●Questionnaire of stakeholders

The purpose of a questionnaire :

To gather stakeholders’ needs as well as their opinions and recommendations regarding the Company’s performance in operations, economic development, environmental protection, and social inclusion. Such engagement helps enhance communication and trust between the Company and its stakeholders and contributes to the Company’s sustainable development.

●Contact methods of stakeholders

 

Stakeholders

/

Key

concerns

Contack/feedback methods

114(2025)

Communication withstakeholders

Investors

and shareholders

.Operational and Financial Status

. Ethics and Morality

.Supply Chain Management

.Service Quality

.Product Safety

Spokesperson: Executive Vice President Wu, Chia-Te
Deputy Spokesperson: CFO Lin, Shao-Hsiang

Address:11F., No.85, Wenlong Rd., Fengshan Dist., KaohsiungCity 830009, Taiwan (R.O.C.)

Tel:(07)780-1381ext.6038

mailbox :

steven@huakai.com.tw

Shareholders' Meeting (once a year)

.Corporate Briefing (once a year)

.Annual Report and Financial Statements(annual/quarterly)

.Revenue Announcement (Monthly)

.Instant material information will be made public on the Market Observation Post System of the TWSE and the Company's website simultaneously.

.An email mailbox and contact number have been set up on the Company's website to provide a smooth communication channel between investors and the Company, including the reporting of illegal (including corruption) and unethical practices.

.Update Information in the Website Section

.Convene an Annual General Meeting of Shareholders

.Attend the corporate presentation upon invitation

.63 Material Disclosures 

Customers

.Labor-Employee Relations

.Talent Attraction and Retention

.Service Quality

.Product Safety

.Workplace Health and Safety

Customer service hotline:0800-268-588

Customer Service System : Family APP

Product-related information is disclosed through the Company’s official website and social media platforms. Stakeholders may also contact the Company via the communication channels available on these platforms.

Professional consultation services are provided through the customer service hotline and the Family APP.

.Update Information in the Website Section

.An app has been developed, allowing customers to submit repair requests through the app.

.Facebook: 27,401 followers/ LINE: 19,349 friends/ Instagram: 12,201 followers/ TikTok: 1,307 followers

Media

.Social Responsibility

.Product Safety

. Ethics and Morality

.Biodiversity

.Customer Rights

TEL:(07)780-1381

.Stakeholders can contact the Company through the official representative phone line. The Company will provide the appropriate contact window depending on the nature of the inquiry.

.Hold a Press Conference

.Issue a Press Release

Employees

.Talent Attraction and Retention

Laboremployment relationship

.Service Quality

.Operational and Financial Status

.Corporate governance

Administration Division:Ms. Chen

Tel:(07)780-1381

.The Executives of Divisions hold meetings and communicate with their colleagues irregularly

.Labor-Management Meetings (quarterly)

.Internal complaint hotline

.Conduct opinion surveys on a regular and ad hoc basis.

.Irregular Meeting Communication

.Quarterly labormanagement meetings were held

.Annual Individual Performance Review Meeting

.Conducted 4 Opinion/Feedback Surveys

Suppliers/Contractor

.Product Safety

.Workplace Health and Safety

.Green Products and Innovative Services

.Sustainable Environment

.Biodiversity

Tel:(07)780-1381

.Stakeholders can contact the Company through the official representative phone line. The Company will provide the appropriate contact window depending on the nature of the inquiry.

.Supplier Evaluation Criteria

.Meetings / Telephone Communication

.Contract specifications

Government Agencies

.Operational and Financial Status

.Regulatory Compliance

.Product Safety

.Sustainable Environment

. Ethics and Morality

Tel:(07)780-1381

.Stakeholders can contact the Company through the official representative phone line. The Company will provide the appropriate contact window depending on the nature of the inquiry.

.Official correspondence

.Phone calls, emails

.Workshop/ Briefing Sessions

Non-Governmental Organizations

.Product Safety

.Service Quality

.Corporate governance

.Green Products and Innovation

.Workplace Health and Safety

Tel:(07)780-1381

.Stakeholders can contact the Company through the official representative phone line. The Company will provide the appropriate contact window depending on the nature of the inquiry.

.Phone calls, emails

.Meeting Communication

The Company reports to the Board of Directors at least once a year on its stakeholder engagement and communication activities.

Employee Opinion Survey Implementation by Year

2025 Employee Opinion Survey Overview

Dishonest Conduct:

Whistleblowing Channels:LAC@huakai.com.tw

Whistleblowing Mechanism:

1.This whistleblowing mailbox is available to both internal and external parties of the Company. Whistleblowers should provide at least the following information:

(1)The whistleblower’s name and national identification number. Anonymous reports are also accepted. Contact information such as address, telephone number, and email address should be provided if available.

(2)The name of the person being reported or other information sufficient to identify the reported individual.

(3)Specific facts or evidence that may be used for investigation.

2. The company will keep the identity of the whistle-blower and the content of the report confidential in handling the whistle-blowing. Besides, it promises to protect the whistleblower from being improper treatment due to the whistle-blowing.

3.For detailed whistleblowing procedures, please refer to the Company’s “Guidelines for Handling Reported Cases of Illegal and Unethical Behaviors"