List of Major Shareholders

Name of major shareholder	Number of shares held(shares)	Shareholding ratio(%)
Xxentria Chi Co., Ltd.	38,692,000	6.49
Ling-chuan Ting	24,500,000	4.11
Xxentria Technology Materials Co., Ltd	23,542,111	3.95
Citibank in custody for Norges Bank Investment Account	16,315,294	2.74
Sheng Yuan Investment Co., Ltd.	10,405,064	1.75
Jentech Precision Industrial Co., Ltd	8,000,000	1.34
HSBC in custody for Polymer Asia Fund Limited Partnership - Merrill Lynch International	6,699,000	1.12
JP Morgan Chase Bank N.A., Taipei Branch in custody for Vanguard Total International Stock Index Fund, a series of Vanguard Star Funds	6,382,689	1.07
Chii-Feng Huang	6,300,462	1.06
JP Morgan Chase Bank N.A., Taipei Branch in custody for Vanguard Group's Emerging Markets Fund Investment Account	5,734,607	0.96

As of April 13, 2025

If you have any queries, please contact us.

E-mail
shareholders@solartech.com.tw

Spokesman
CHII-FENG HUANG / Chairman and President
TEL:886-6-5110123

Acting Spokesperson
Julian Huang / Manager
TEL:886-6-5110123 Ext:6301

Common Share Transfer Agent and Registrar
SinoPac’s Register & Transfer Agency Department
TEL: 886-2-2381-6288
Address: 3F, No.17, Sec. Bo'ai Rd., Taipei City 100005, Taiwan (R.O.C.)