Montage Technology Co., Ltd. has released an updated notice on its interim cash dividend for the six months ended 30 June 2026, detailing key timetable adjustments and tax arrangements.

Dividend Details • Amount: RMB 2 per 10 shares (RMB 0.20 per share), equivalent to HKD 2.31 per 10 shares (HKD 0.231 per share) based on an exchange rate of RMB 1 = HKD 1.1556. • Nature: Ordinary interim dividend for the financial year ending 31 December 2026. • Shareholder approval date: 24 June 2026.

Revised Timetable • Ex-dividend date: 25 September 2026. • Deadline for lodging share transfers: 28 September 2026, 16:30 (Hong Kong time). • Book-closure period: 29 September – 05 October 2026. • Record date: 05 October 2026. • Payment date: 21 October 2026. Computershare Hong Kong Investor Services Limited will continue to act as share registrar.

Withholding Tax Arrangements • Non-resident enterprise shareholders: PRC enterprise income tax of 10% will be withheld. • Non-resident individual shareholders: Individual income tax of 20% will be withheld, with potential treaty benefits claimable by eligible investors. • Mainland enterprise investors holding H-shares through Shanghai-Hong Kong or Shenzhen-Hong Kong Stock Connect: No tax will be withheld; investors are responsible for self-reporting. • Mainland individual or fund investors accessing H-shares via Shanghai or Shenzhen exchanges: 20% individual income tax will be withheld. • Hong Kong investors in the company’s A-shares: 10% tax will be withheld on dividend distribution.

Purpose of Update The company revised the ex-dividend date, transfer lodgement deadline, book-closure period, record date, payment date, and clarified withholding-tax provisions compared with its previous disclosure.

Corporate Governance As of 11 September 2026, the board comprises two executive directors (Dr. Howard C. Yang, Mr. Stephen Kuong-Io Tai), two non-executive directors (Mr. Wang Zhicong, Ms. Fang Zhoujie), and four independent non-executive directors (Dr. Li Ruoshan, Professor Ko Ping Keung, Dr. Yuhua Cheng, Dr. Shan Hailing).