Advantech Co., Ltd.TWSE: 2395

2026 Annual Shareholders' Meeting - The Top-10 Shareholders and information of Related Parties

· Issued by Advantech Co., Ltd.
Advantech Co., Ltd. The Top-10 shareholders who are the spouses or relatives within second-degree to each other

March 31, 2026 Unit: Shares; %

Name (note 1)

Current Shareholding

Spouse's/minor's Shareholding (note 2)

Shareholding by Nominee Arrangement

Name and Relationship Between the Company's Top Ten Shareholders, or Spouses or Relatives Within Two Degrees

(note 3)

Remark

Shares

(%)

Shares

(%)

Shares

(%)

Title

Relations

ASUSTEK COMPUTER

Inc. Representative: Jonney Shih

113,483,106

13.07%

0

0

0

0

None

None

None

0

0

0

0

0

0

None

None

None

K and M Investment Co., Ltd.

Representative: K.C. Liu

100,651,794

11.59%

0

0

0

0

AIDC

Investment Corp.

Spouse of

the Chairman

None

26,993,951

3.11%

5,701,052

0.66%

0

0

Advantech

Foundation

K.C. Liu,

Chairman

AIDC Investment Corp. Representative: Mary Chang

99,746,136

11.49%

0

0

0

0

K and M

Investment Co., Ltd

Spouse of

the Chairman

None

5,701,052

0.66%

26,993,951

3.11%

0

0

Advantech Foundation

K.C. Liu,

Chairman

K.C. Liu

26,993,951

3.11%

5,701,052

0.66%

0

0

K and M Investment

Co., Ltd.

K.C. Liu,

Chairman

None

AIDC

Investment Corp.

Spouse of the

Chairman

Advantech Foundation

K.C. Liu,

Chairman

HSBC Bank (Taiwan)

Limited, as Custodian for

Visionary Partners Fund L.P. Investment Account

25,371,157

2.92%

0

0

0

0

None

None

None

Advantech Foundation Representative: K.C. Liu

24,543,548

2.83%

0

0

0

0

K and M Investment Co., Ltd.

K.C. Liu,

Chairman

None

26,993,951

3.11%

5,701,052

0.66%

0

0

AIDC

Investment Corp.

Spouse of the

Chairman

None

Tran-Fei Development Co., Ltd

21,059,028

2.43%

0

0

0

0

None

None

None

Yong-Shun Zhuang

19,365,594

2.23%

0

0

0

0

None

None

None

Chunghwa Post Co., Ltd.

13,308,772

1.53%

0

0

0

0

None

None

None

New Labor Pension Fund

12,324,182

1.42%

0

0

0

0

None

None

None

Note1: lustrate the name of the Top-10 shareholders; also, illustrate separately the name of the institutional shareholder and its representative.

Note2: The shareholding ratio is calculated by referring to the shares held by the Principal, the Principal's spouses and underage children, or by nominee agreement.

Note3: Disclose the relationship among shareholders referred to above, including the juristic person and natural person.

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