Yangtze Optical Fibre and Cable Joint Stock Limited Company (YOFC) filed its Monthly Return for Equity Issuer for the period ended 31 May 2026, confirming no changes in either authorised or issued share capital during the month.

Total authorised/registered share capital remained at 827.91 million shares, each with a par value of RMB 1.00. The structure is unchanged: • H shares listed in Hong Kong: 421.57 million • A shares listed in Shanghai: 406.34 million

Issued share capital mirrored the authorised totals, with no new share issues, cancellations, or conversions recorded: • H shares in issue (excluding treasury): 421.57 million; no treasury shares held. • A shares in issue: 400.34 million; treasury shares unchanged at 6.00 million.

YOFC confirmed full compliance with the Hong Kong Stock Exchange’s minimum 5% public-float requirement for its H shares. Throughout May, the company reported: • No share options, warrants, or convertible instruments outstanding or exercised. • No other agreements or arrangements to issue shares. • No Hong Kong Depositary Receipts activity.

The disclosure, submitted on 4 June 2026 by Chairman Ma Jie, affirms adherence to all applicable listing rules and regulatory obligations.