Notice Regarding the Expansion of the Mid-to-Long-Term Shareholder Benefit Program

Asteria Corporation (Headquarters: Shibuya-ku, Tokyo; President and CEO: Yoichiro Hirano; Securities Code: 3853; hereinafter 'Asteria') hereby announces that it has decided to expand the details of its shareholder benefit program as follows.

1. Purpose of the Mid-to-Long-Term Shareholder Benefit Program Asteria has adopted a mid-to-long-term shareholder benefit program to express gratitude for the daily support of our shareholders and to encourage the mid-to-long-term holding of our company's shares.

2. Details of the Expansion of Shareholder Benefits (1) Current Program Shareholders will be presented with a 'QUO card' of the following value based on the number of shares held and the duration of continuous ownership.

[Table: Shares Held / Duration vs Benefit Value] - 500-999 shares: 1-3 years (Mid-term) = 1,000 yen; 3+ years (Long-term) = 2,000 yen - 1,000-4,999 shares: 1-3 years (Mid-term) = 2,000 yen; 3+ years (Long-term) = 3,000 yen - 5,000+ shares: 1-3 years (Mid-term) = 3,000 yen; 3+ years (Long-term) = 5,000 yen

(2) After the Change Eligible shareholders will be presented with a 'QUO card' or **'Japanese Yen-denominated stablecoin JPYC'*** of the following value based on the number of shares held and the duration of continuous ownership.

[Table: Shares Held / Duration vs Benefit Value (Same as current)] - 500-999 shares: 1-3 years (Mid-term) = 1,000 yen; 3+ years (Long-term) = 2,000 yen - 1,000-4,999 shares: 1-3 years (Mid-term) = 2,000 yen; 3+ years (Long-term) = 3,000 yen - 5,000+ shares: 1-3 years (Mid-term) = 3,000 yen; 3+ years (Long-term) = 5,000 yen

*: JPYC A Japanese Yen-denominated stablecoin issued by JPYC Inc., which is registered with the Financial Services Agency as a funds transfer service provider. It is guaranteed that 1 JPYC can be exchanged for 1 yen.

Note: How to Select Shareholder Benefits - The JPYC benefit will be presented only to shareholders who request it. - To receive the benefit in JPYC, procedures to be announced separately are required. - No procedures are required if you wish to receive the existing QUO card shareholder benefit.

3. Timing of the Change This change will be implemented starting with shareholders listed or recorded in the shareholder register as of the end of March 2026.