SEALSQ Announces Pricing of $200.0 Million Registered Direct Offering & Concurrent Private Placement of Ordinary Shares and Warrants

Geneva, Switzerland, Oct. 15, 2025 (GLOBE NEWSWIRE) --

Offerings to be led by Heights Capital Management, Inc.

Offerings priced approximately 26.5% above market under Nasdaq rules.

SEALSQ Corp (NASDAQ: LAES) ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI and Post-Quantum technology hardware and software products, today announced the pricing of a $94.8 million registered offering (the “Registered Offering”) and a $105.2 million concurrent private placement (the "Private Offering" and, together with the Registered Offering, the “Offerings”). The Offerings are being led by Heights Capital Management, Inc.

The Registered Offering consists of 12,640,000 ordinary shares at an offering price of $7.50. The Private Offering consists of pre-funded warrants to purchase 14,026,666 ordinary shares and Class D warrants to purchase up to 53,333,332 ordinary shares at a combined offering price of $7.50. The Class D warrants will have an exercise price of $9.25 per ordinary share, will be immediately exercisable and will expire seven years following the date of issuance. Gross proceeds for the Offerings are expected to be approximately $200.0 million before deducting commissions and offering expenses.

Carlos Moreira, President and CEO of SEALSQ, commented: “We plan to utilize the net proceeds to advance our Post-Quantum and Quantum roadmap, as SEALSQ has been rapidly expanding our portfolio in this field. We are executing with determination to deliver the most secure technologies to protect billions of connected devices through our post-quantum semiconductors and software solutions. This transaction represents a strong endorsement of our technical progress, strategic acquisitions, growing IP portfolio, and the exceptional talent we’ve assembled. With it, SEALSQ expects to benefit from a pro-forma cash position of approximately $400 million as of October 16, 2025, providing a solid foundation to fuel our next phase of growth.”

Maxim Group LLC is acting as the sole placement agent for the Offerings.

SEALSQ currently intends to utilize the net proceeds from the Offering to reinforce its already strong cash position, allowing the company to accelerate its Post-Quantum and Quantum commercialization roadmap and deployment in the United States while also pursuing strategic opportunities to further strengthen the Company’s strategic position. The Offerings are expected to close on or about October 16, 2025 (the “Closing Date”), subject to the satisfaction of customary closing conditions.