Unisound AI Technology Co., Ltd. (Unisound) has signed a placing agreement on 28 May 2026 to issue 1.70 million new H-shares at HK$228.00 each, representing a 19.89% discount to the 27 May closing price and a 13.27% discount to the five-day average price.

Key Transaction Metrics • Gross proceeds: HK$387.60 million; estimated net proceeds after fees: HK$381.43 million, implying a net issue price of HK$224.37 per share. • Dilution: the new shares equal 3.92% of existing H-shares and 2.33% of total share capital; post-issue, H-shares will account for 60.41% of the enlarged share base. • Share capital: registered capital will rise from 72.98 million to 74.68 million shares. • Placement structure: at least six independent placees will be sourced on a best-efforts basis by BNP Paribas Securities (Asia) Limited.

Use of Proceeds (completion target: 30 June 2028) 1. R&D for next-gen “U-Series” trillion-parameter multimodal large model – 45%. 2. Construction of global Token factories and overseas Token operations – 40%. 3. Sales, marketing and brand promotion – 15%.

Mandate and Lock-up • Shares will be issued under the existing general mandate; capacity remaining before the deal was 12.45 million shares (87.44% of mandate). • The company is subject to a 90-day lock-up on further equity issuances, excluding share-scheme allocations.

Regulatory & Closing Conditions Closing is expected on or about 4 June 2026, subject to Hong Kong Stock Exchange listing approval and customary conditions, including PRC regulatory clearances and the absence of material adverse events.

Capital-Raising Track Record (past 12 months) • February 2026: Placed 1.01 million H-shares at HK$310.00, raising HK$307.19 million net; 2% utilised by 30 April 2026. • January 2026: Placed 0.78 million H-shares at HK$252.00, raising HK$191.69 million net; 42% utilised by 30 April 2026. • June 2025 Global Offering: Net proceeds of HK$236.94 million; 65% utilised by 30 April 2026.

Shareholding Impact Post-placement, domestic unlisted shares will stand at 33.47% of total capital; H-shares held by public investors (including the new placees) will remain above the 25% public float threshold stipulated by the Listing Rules.

Cautionary Note The placement may not proceed if conditions precedent are not met. Investors are advised to exercise caution when dealing in Unisound securities.