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Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2025

	Ownership		Location
Express Test Corporation (Dormant)	100	%	Van Nuys, California
Trio-Tech Reliability Services (Dormant)	100	%	Van Nuys, California
KTS Incorporated, dba Universal Systems (Dormant)	100	%	Van Nuys, California
European Electronic Test Centre (Dormant)	100	%	Cayman Islands
Trio-Tech International Pte. Ltd.	100	%	Singapore
Universal (Far East) Pte. Ltd.*	100	%	Singapore
Trio-Tech International (Thailand) Co. Ltd. *	100	%	Bangkok, Thailand
Trio-Tech (Bangkok) Co. Ltd. *	100	%	Bangkok, Thailand
Trio-Tech (Malaysia) Sdn. Bhd.	55	%	Penang and Selangor, Malaysia
(55% owned by Trio-Tech International Pte. Ltd.)
Prestal Enterprise Sdn. Bhd.	76	%	Selangor, Malaysia
(76% owned by Trio-Tech International Pte. Ltd.)
Trio-Tech (SIP) Co., Ltd. *	100	%	Suzhou, China
Trio-Tech (Chongqing) Co. Ltd. *	100	%	Chongqing, China
SHI International Pte. Ltd. (Dormant)	55	%	Singapore
(55% owned by Trio-Tech International Pte. Ltd)
PT SHI Indonesia (Dormant)	52	%	Batam, Indonesia
(95% owned by SHI International Pte. Ltd.)
Trio-Tech (Tianjin) Co., Ltd. *	100	%	Tianjin, China
Trio-Tech (Jiangsu) Co., Ltd. (100% owned by Trio-Tech (SIP) Co., Ltd.)	100	%	Suzhou, China