Shareholder Services

Date: March 29, 2026; Unit: share

Major shareholder’s name
Current shareholding (shares)
Percentage (%)
Trusted Investment Account of KIOXIA Corp. by First Bank
19,821,112
8.97
Norges Bank-fund mgr Neuberger Berman Europe Limited
6,703,504
3.03
Khein Seng Pua
5,760,972
2.61
Jiunn Yeong Yang
4,549,114
2.06
Government of Singapore
4,127,000
1.87
Labor Pension Fund (The New Fund)
3,871,293
1.75
Mizuho Securities Co., Ltd.
3,242,090
1.47
Morgan Stanley & Co. International Plc
2,628,054
1.19
Cheng He Investment Co., Ltd.
2,503,000
1.13
Vanguard Total International Stock Index Fund, a series of Vanguard Star Funds
2,471,894
1.12

Stock Service Agency

Horizon Securities CO., LTD

Stock Registration Division

ADD: 3F., No.236, Sec. 4, Hsin-I Rd., Da’an Dist., Taipei City 106, Taiwan

TEL: +886-2-2326-8818

FAX: +886-2-2701-9156

Websites: http://www.honsec.com.tw

PHISON Spokesman

Mr. Yu

ADD: No.1,Qun Yi Rd.,Jhunan,Miaoli, Taiwan 350

TEL: +886-37-586-896 #10019

Email: [email protected]

Deputy Spokesman

Mr. Lu

ADD: No.1,Qun Yi Rd.,Jhunan,Miaoli, Taiwan 350

TEL: +886-37-586-896 #26022

Email: [email protected]