Shanghai Iluvatar CoreX Semiconductor Co., Ltd. (ILUVATAR COREX) submitted its Monthly Return to the Hong Kong Stock Exchange on 04 June 2026, covering the period ended 31 May 2026. The filing shows no movements in authorised, issued or treasury shares during the month and reconfirms adherence to public-float requirements.

Authorised and Registered Capital • H-share tranche: 245.10 million ordinary shares at RMB 1 par value, representing RMB 245.10 million in authorised capital. • Unlisted domestic shares: 9.22 million ordinary shares at RMB 1 par value, equal to RMB 9.22 million. • Total authorised/registered share capital remained unchanged at RMB 254.32 million.

Issued Share Position • Issued H shares stood at 245.10 million; no treasury shares are held. • Issued unlisted shares totalled 9.22 million. • No share issuances, cancellations, conversions or redemptions occurred in May.

Public Float Status ILUVATAR COREX confirmed that the public float for its H shares met the minimum 12.24 % threshold prescribed at listing as of 31 May 2026.

Corporate Actions The company reported no activity under share option schemes, warrants, convertible securities, or other equity-related arrangements during the month.

The Monthly Return was signed by Executive Director Mr. Gai Lujiang, affirming the accuracy of disclosed data and compliance with Hong Kong Listing Rules.