- SEALSQ Corp announced the pricing of a combined registered direct offering and concurrent private placement on **October 15, 2025**.  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]** 
- The offerings are being led by **Heights Capital Management, Inc.** and are expected to close on or about **October 16, 2025**.  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]** **[1951222_0001193805-25-001463_e664908_ex99-1.htm:1]** 
- The offerings are structured as follows:

| Metric | Q3 2025 |
|:---|:---|
| Registered Offering Proceeds ($USD Millions) | **$94.8**  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]**  |
| Registered Offering Shares (Units) | **12,640,000**  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]**  |
| Registered Offering Price Per Share ($USD) | **$7.50**  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]**  |
| Private Offering Combined Price Per Unit ($USD) | **$7.50**  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]**  |
| Private Offering Pre-funded Warrants Shares (Units) | **14,026,666**  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]**  |
| Private Offering Class D Warrants Shares (Units) | **53,333,332**  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]**  |
| Class D Warrants Exercise Price Per Share ($USD) | **$9.25**  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]**  |
| Total Gross Proceeds ($USD Millions) | **$200.0**  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]**  |
| Pro-forma Cash Position ($USD Millions) | **$400.0**  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]**  |

- The net proceeds will be utilized to advance the company's Post-Quantum and Quantum roadmap and pursue strategic opportunities, which is expected to result in a pro-forma cash position of approximately **$400 million** as of **October 16, 2025**.  **[1951222_0001193805-25-001463_e664908_ex99-1.htm:0]** **[1951222_0001193805-25-001463_e664908_ex99-1.htm:1]**

SEALSQ Prices $200 Million Registered Direct Offering and Private Placement

- SEALSQ Corp (LAES) announced the pricing of a **$94.8 million Registered Offering** and a **$105.2 million concurrent private placement**, resulting in gross proceeds of approximately **$200.0 million**. The offerings are being led by **Heights Capital Management, Inc.**.  **[1951222_3eaa143bec314ca9bd75061dc66861ed_0]** 
- The Registered Offering consists of **12,640,000 ordinary shares at an offering price of $7.50**. The Private Offering includes **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**, with Class D warrants having an exercise price of **$9.25 per ordinary share**.  **[1951222_3eaa143bec314ca9bd75061dc66861ed_0]** 
- SEALSQ intends to utilize the net proceeds to **advance its Post-Quantum and Quantum roadmap**, accelerate commercialization in the United States, and pursue strategic opportunities.  **[1951222_3eaa143bec314ca9bd75061dc66861ed_0]** 
- The company expects to benefit from a pro-forma cash position of approximately **$400 million as of October 16, 2025**, following the expected closing of the offerings on or about **October 16, 2025**.  **[1951222_3eaa143bec314ca9bd75061dc66861ed_0]**

SEALSQ Announces Pricing of $200.0 Million Offering

-   **SEALSQ Corp** (NASDAQ: LAES) and **Trusted Semiconductor Solutions (TSS)** have formed a **strategic partnership** to co-develop **"Made in US" Post-Quantum Cryptography (PQC)-enabled secure semiconductor solutions**.  **[1951222_0001193805-25-001440_e664899_ex99-1.htm:0]** 
-   This collaboration targets **US defense and government agencies**, leveraging TSS's **Category 1A Trusted-accredited status** and established relationships within the US defense ecosystem to strengthen SEALSQ's US footprint and accelerate market access.  **[1951222_0001193805-25-001440_e664899_ex99-1.htm:0]** 
-   The partnership outlines a **three-phase roadmap**, starting with PQC-enabled solutions combining SEALSQ’s QS7001 secure element with TSS’s platforms, moving to co-development of "Made in US" PQC-embedded ICs, and eventually developing next-generation secure architectures.  **[1951222_0001193805-25-001440_e664899_ex99-1.htm:1]** 
-   The formalization of this partnership is scheduled for the **Quantum + AI Conference** in New York City from **October 19–21, 2025**, where SEALSQ is a Diamond Sponsor.  **[1951222_0001193805-25-001440_e664899_ex99-1.htm:1]**

SEALSQ Corp announces strategic partnership with Trusted Semiconductor Solutions

- **SEALSQ Corp (LAES)** is expanding its relationship with **Landis+Gyr (SIX: LAND)** to implement SEALSQ's cybersecurity solution in Landis+Gyr's North American manufacturing facilities.  **[1951222_ba11562a37134b45b514065fb9fcfc51_1]** 
- Landis+Gyr will utilize the **SEALSQ IneS Public Key Infrastructure (PKI) solution** to integrate digital certificates into electric and gas metering devices during the manufacturing process.  **[1951222_ba11562a37134b45b514065fb9fcfc51_1]** 
- This expansion builds upon previous collaborations, which include securing **30 million utility meters for TEPCO in Japan** and providing **VaultIC secure microcontrollers for over one million gas meters annually in the UK**.  **[1951222_ba11562a37134b45b514065fb9fcfc51_1]** 
- SEALSQ is also pioneering **quantum-resistant chips and PKI services**, aiming to support partners like Landis+Gyr in navigating future post-quantum transitions.  **[1951222_ba11562a37134b45b514065fb9fcfc51_2]**

SEALSQ Expands Partnership with Landis+Gyr for North American Cybersecurity

- SEALSQ Corp announced preliminary unaudited **9M 2025 revenue of $9.9 million**, including **$5.1 million** in Q3 2025, reflecting a **41% year-on-year growth**.  **[1951222_0001193805-25-001424_e664891_ex99-1.htm:0]** 
- The company reaffirmed its **FY 2025 revenue guidance** of **$17.5 million – $20.0 million**, projecting **59%–82% year-on-year growth** over 2024, with **Q4 2025 revenues** expected between **$7.6 million and $10.1 million**.  **[1951222_0001193805-25-001424_e664891_ex99-1.htm:0]** 
- As of October 7, 2025, SEALSQ reported a **cash position of $220 million**.  **[1951222_0001193805-25-001424_e664891_ex99-1.htm:0]**  Strategic milestones include the acquisition of IC’ALPS, which contributed **$1.3 million** to 9M 2025 revenue, and upcoming launches of Quantum Shield QS7001™ and WISeSat 3.0 PQC in November 2025.  **[1951222_0001193805-25-001424_e664891_ex99-1.htm:0]** **[1951222_0001193805-25-001424_e664891_ex99-1.htm:1]** 
- SEALSQ anticipates **50% to 100% growth** in 2026 and beyond, supported by a business pipeline totaling **$175 million** in potential revenue opportunities from 2026 to 2028.  **[1951222_0001193805-25-001424_e664891_ex99-1.htm:0]**

SEALSQ Corp Announces 9M 2025 Preliminary Revenue and Reaffirms FY 2025 Guidance

- **SEALSQ Corp** (NASDAQ: LAES) and **Trusted Semiconductor Solutions (TSS)** announced a strategic partnership on **October 9, 2025**, to co-develop **"Made in US" Post-Quantum Cryptography (PQC)-enabled secure semiconductor solutions**.  **[1951222_a53b1604802a44c08e6d64ef08be87d4_0]** 
- These solutions are specifically tailored for **US defense and government agencies**, aiming to achieve the highest levels of hardware certification.  **[1951222_a53b1604802a44c08e6d64ef08be87d4_0]** 
- The collaboration leverages TSS’s established relationships within the US defense ecosystem and SEALSQ’s quantum resistant silicon developments and custom chip design capabilities to strengthen SEALSQ’s US footprint and accelerate access to sensitive national-security markets.  **[1951222_a53b1604802a44c08e6d64ef08be87d4_0]** 
- The partnership includes a **three-phase roadmap**, starting with short-term PQC-enabled solutions, moving to mid-term co-development of "Made in US" PQC-embedded ICs targeting FIPS 140-3 and other certifications, and culminating in long-term development of next-generation secure architectures.  **[1951222_a53b1604802a44c08e6d64ef08be87d4_0]** 
- The partnership will be **formalized during the Quantum + AI Conference** in New York City, scheduled for **October 19–21, 2025**.  **[1951222_a53b1604802a44c08e6d64ef08be87d4_1]**

SEALSQ and Trusted Semiconductor Solutions Announce Strategic Partnership

- SEALSQ Corp reported preliminary unaudited **9M 2025 revenue of $9.9 million**, representing a **41% year-on-year growth**, with **$5.1 million** recorded in the third quarter of the year.  **[1951222_8b1522169d3247178ddea4a4b787e3e1_0]**  The acquisition of IC’ALPS contributed **$1.3 million** to the 9M 2025 revenue.  **[1951222_8b1522169d3247178ddea4a4b787e3e1_2]** 
- The company reaffirmed its **FY 2025 revenue guidance** to be between **$17.5 million and $20.0 million**, marking **59%–82% growth** over 2024.  **[1951222_8b1522169d3247178ddea4a4b787e3e1_0]**  Q4 2025 revenues are expected to be between **$7.6 million and $10.1 million**.  **[1951222_8b1522169d3247178ddea4a4b787e3e1_1]** 
- SEALSQ anticipates continued acceleration with **50% to 100% growth** for 2026 and beyond, driven by new Post-Quantum Cryptography (PQC) chip launches, full consolidation of IC’ALPS, and Quantix Edge revenues.  **[1951222_8b1522169d3247178ddea4a4b787e3e1_0]**  The company's business pipeline totals **$175 million** in potential revenue opportunities from 2026 to 2028.  **[1951222_8b1522169d3247178ddea4a4b787e3e1_0]** 
- As of October 7, 2025, SEALSQ held a cash position of **$220 million**, providing strong liquidity for PQC innovation and expansion.  **[1951222_8b1522169d3247178ddea4a4b787e3e1_0]**

SEALSQ Corp Announces Preliminary 9M 2025 Revenue and Reaffirms FY 2025 Guidance

- **SEALSQ Corp** has entered into a **definitive agreement with Quantix Edge Security** to develop Spain's first post-quantum semiconductor personalization center in the Region of Murcia.  **[1951222_0001193805-25-001372_e664865_ex99-1.htm:0]** 
- This agreement is projected to generate **$25 million of revenue over the next three years**, with recognition expected to be milestone-based and spread relatively evenly over the project's duration.  **[1951222_0001193805-25-001372_e664865_ex99-1.htm:0]** 
- The project is anticipated to **commence in H1 2026**.  **[1951222_0001193805-25-001372_e664865_ex99-1.htm:0]** 
- The Spanish Government announced a **€19.6 million public investment in Quantix** in September 2025, which is projected to deliver €793 million in economic impact to the Region of Murcia over the next five years.  **[1951222_0001193805-25-001372_e664865_ex99-1.htm:0]** 
- **SEALSQ** also plans to accelerate commercialization by distributing its post-quantum semiconductors through Quantix Edge Security starting in **2026**, even while the Murcia facility is under construction.  **[1951222_0001193805-25-001372_e664865_ex99-1.htm:0]**

SEALSQ (LAES)