X0607 3 2026-03-18 0 0001943444 Tungray Technologies Inc trsg 0001973719 Tang Jingan true C/O/ TUNGRAY TECHNOLOGIES INC #02-01, 31 MANDAI ESTATE SINGAPORE SINGAPORE U0 729933 SINGAPORE 1 0 0 0 Class A Ordinary Shares 738000 I By YuChang Global Ltd. Class A Ordinary Shares 1782000 I By ChangYuan International Ltd Class B Ordinary Shares are convertible into Class A Ordinary Shares at holders' option at any time on a one for one basis. Class A Ordinary Shares are not convertible into Class B Ordinary Shares under any circumstance. Each Class A Ordinary Share entitles to 1 vote and each Class B Ordinary Share entitles to 20 votes. Mr. Tang held a total of 2,520,000 Class A Ordinary Shares including (i) 1,782,000 Class A Ordinary Shares held by ChangYuan International Ltd.; and (ii) 738,000 Class A Ordinary Shares held by YuChang Global Ltd., both of which are limited liability companies incorporated under the British Virgin Islands laws and wholly-owned by Mr. Jingan Tang. The person having voting, dispositive or investment powers over these two entities is Mr. Jingan Tang. /s/ Jingan Tang 2026-03-18