Sino-Ocean Service Holding Limited issued its Monthly Return for the period ended 31 March 2026, confirming a stable capital structure and compliance with Hong Kong public-float requirements.

The authorised share capital stayed at 10.00 billion ordinary shares with a par value of HKD 0.10, equivalent to HKD 1.00 billion. Issued share capital was unchanged at 1.184 billion shares, and the company held no treasury stock as of month-end.

Throughout March, the issuer reported: • Zero increases or decreases in authorised, issued or treasury shares. • No movements involving share options, warrants, convertibles or other equity-linked instruments. • Confirmation that the public float met the Main Board’s minimum 25 % threshold.

The filing, submitted on 2 April 2026 by Company Secretary Chan Ka Man, indicates continued capital stability ahead of the next reporting period.