Fortitude Invests $1.0 Million in HeartSciences at a 22% Premium with No Adjustment to the Merger Consideration

Southlake, TX — HeartSciences Inc. (Nasdaq: HSCS / HSCSW), a healthcare information technology (HIT) company focused on advancing electrocardiography (ECG/EKG) through the integration of artificial intelligence (AI), today announced that on August 12, 2026 Fortitude Mining Holdings, Inc. ("Fortitude") purchased 411,522 shares of HeartSciences' common stock for an aggregate purchase price of approximately $1,000,000 in a private placement (the "Investment"). The shares were issued at a negotiated price of $2.43 per share, representing a 22% premium to the closing price of HeartSciences' common stock on the purchase date.

Fortitude purchased the shares for cash at a premium to market price. The exchange ratio under the merger agreement between Fortitude and HeartSciences (the "Merger Agreement") is not adjusted as a result, and no additional shares will be issued to holders of Fortitude's equity interests at closing in respect of the amount invested. The shares issued in the Investment are voting shares of HeartSciences' common stock and carry no additional rights or preferences. Following the Investment, Fortitude holds approximately 9.4% of HeartSciences' outstanding shares of common stock.

The Investment provides additional working capital to HeartSciences and strengthens its balance sheet ahead of the expected closing of the proposed business combination between Fortitude and HeartSciences (the "Proposed Transaction"). The Proposed Transaction is expected to close in the second half of the current calendar year and remains subject to customary closing conditions, including approval by HeartSciences' shareholders.

Additional information regarding the Investment is set forth in the Company's Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission (the "SEC") on August 18, 2026.