HALF-YEAR STATEMENT ON THE IMPLEMENTATION OF THE LIQUIDITY CONTRACT AS OF JUNE 30, 2025 Bernin (Grenoble), France, July 9, 2025 – Soitec (Euronext Paris) announces that, under the liquidity contract entrusted to BNP Paribas on July 3, 2023, on the settlement date of June 30, 2025, the following resources appeared on the liquidity account: 72,325 Soitec shares, and€904,901 During the 1st semester of 2025, a total of: 231,383 shares were bought for €14,129,177 (i.e. 2,855 transactions).208,969 shares were so ...

Bernin, on July 7, 2025 INFORMATION RELATING TO THE TOTAL NUMBER OF VOTING RIGHTS AND SHARES FORMING THE SHARE CAPITAL (Article L. 233-8 II of the French Commercial Code and article 223-16 of the General Regulation of the French financial markets authority (AMF)) Corporate name and address of the company: SOITECParc Technologique des Fontaines - Chemin des Franques 38190 Bernin (FRANCE) Statement date Total number of shares forming the share capital Total number of voting rights 06/30/2025 35,727, ...

COMBINED GENERAL MEETINGOF JULY 22, 2025 CONDITIONS FOR OBTAINING THE PREPARATORY DOCUMENTS Bernin (Grenoble), France, on July 1, 2025 - Soitec (Euronext Paris) reminds that the Company’s shareholders are invited to attend the Annual General Meeting to be held on Tuesday July 22, 2025 at 9:30 a.m. (Paris time), in the Auditorium of the VERSO conference Center located at 52 rue de la Victoire, 75009 Paris, France. The preliminary meeting notice serving as convening notice as provided for in Article R. 225-73 ...

AVAILABILITY OF THE 2024-2025 UNIVERSAL REGISTRATION DOCUMENT Bernin (Grenoble), France, June 11, 2025 – Soitec (Euronext Paris) announces the filing today of its 2024-2025 Universal Registration Document in European Single Electronic Format (ESEF) with the French Financial Markets Authority (Autorité des Marchés Financiers – AMF) under number D.25-0439. The 2024-2025 Universal Registration Document is made available to the public in compliance with applicable laws and regulations and a French and English ...

Bernin, on June 5, 2025 INFORMATION RELATING TO THE TOTAL NUMBER OF VOTING RIGHTS AND SHARES FORMING THE SHARE CAPITAL (Article L. 233-8 II of the French Commercial Code and article 223-16 of the General Regulation of the French financial markets authority (AMF)) Corporate name and address of the company: SOITECParc Technologique des Fontaines - Chemin des Franques 38190 Bernin (FRANCE) Statement date Total number of shares forming the share capital Total number of voting rights 05/31/2025 35 ...

Core Insights - Soitec and Powerchip Semiconductor Manufacturing Corporation (PSMC) have announced a strategic collaboration to develop ultra-thin Transistor Layer Transfer (TLT) technology for advanced 3D chip stacking [1][2] - The collaboration aims to enhance semiconductor designs, making chips more powerful, compact, and energy-efficient, with applications in smartphones, AI devices, and autonomous driving systems [3][4] Company Overview - Soitec is a leader in innovative semiconductor materials, generating sales of €0.9 billion in fiscal year 2024-2025 and holding over 4,000 patents [8] - PSMC is the seventh-largest pure-play foundry globally, with a production capacity of over 2.1 million 12-inch equivalent wafers annually and a new fab in Taiwan with a planned capacity of 1.2 million wafers [11] Technology Details - The TLT technology enables the stacking of multiple transistor layers vertically, supporting advanced 3D transistor architectures and optimizing power performance [5][6] - Soitec's TLT substrate utilizes Smart Cut™ technology and infrared laser release processing, allowing for ultra-thin semiconductor layers ranging from 5nm to 1µm [6] Collaboration Impact - The partnership reflects a commitment to advancing 3D integration and meeting the industry's demand for faster, more energy-efficient chips [4][7] - The collaboration builds on existing France-Taiwan initiatives in AI and semiconductor technologies, enhancing global cooperation in the sector [7]

Company Overview - Soitec is a world leader in innovative semiconductor materials, with over 30 years of experience in developing cutting-edge products that deliver technological performance and energy efficiency [3] - The company generated sales of €1 billion in the fiscal year 2023-2024 [3] - Soitec serves three main strategic markets: Mobile Communications, Automotive and Industrial, and Edge and Cloud AI [3] - The company employs 2,300 individuals from 50 different nationalities across its sites in Europe, the United States, and Asia [3] - Soitec has registered over 4,000 patents, showcasing its commitment to innovation [3] Share Capital and Voting Rights - As of March 31, 2025, Soitec has a total of 35,726,462 ordinary shares with a par value of €2.00 each [5] - The total number of theoretical (gross) voting rights is 45,637,628, while the total number of exercisable (net) voting rights is 45,567,342 [1][5] - The calculation of voting rights includes shares with single or double voting rights and excludes shares without voting rights, such as treasury shares [5]

Company Overview - Soitec is a world leader in innovative semiconductor materials, with over 30 years of experience in developing cutting-edge products that deliver technological performance and energy efficiency [2] - The company generated sales of €1 billion in the fiscal year 2023-2024 and serves three main strategic markets: Mobile Communications, Automotive and Industrial, and Edge and Cloud AI [2] - Soitec employs approximately 2,300 individuals from 50 different nationalities across its sites in Europe, the United States, and Asia, and has registered over 4,000 patents [2] Share Capital and Voting Rights - As of February 28, 2025, Soitec has a total of 35,726,462 ordinary shares with a par value of €2.00 each [4] - The total number of theoretical (gross) voting rights is 45,641,820, while the number of exercisable (net) voting rights is 45,568,637 [1][4] - The calculation of voting rights includes shares with single or double voting rights and excludes shares without voting rights, such as treasury shares [4]