SIX Exchange Regulation approves delisting of u-blox registered shares and grants exemption from specific disclosure requirements

In its decision dated 15 December 2025, SER approved the delisting of all registered shares, each with a nominal value of 10.50 Swiss francs, belonging to u-blox Holding AG, Thalwil (security no. 3'336'167; ISIN: CH0033361673). The delisting of u-blox shares will occur once the judgment of the relevant court on the cancelation becomes final. SER, in consultation with u-blox, will determine the last trading day and the delisting date following the issuance of the final judgment.

Also on December 15, 2025, SER granted approval for the request to exempt u-blox from specific disclosure obligations. u-blox is now exempt from the following disclosure requirements, effective from the publication date of this ad hoc announcement (the content of Clauses I. to III. of the dispositive of SER's decision is reproduced here verbatim as a mandatory publication):

u-blox (SIX:UBXN) is a global leader in automotive, industrial, and consumer markets, driving innovation through our cutting-edge positioning and short-range communication technologies. We are the pioneers behind high-precision technologies, providing smart and reliable solutions that enable people, vehicles, and machines to determine their precise position and communicate wirelessly. With headquarters in Thalwil (Zurich), Switzerland, and offices across Europe, Asia, and the USA, we are making a global impact.

About Advent

Advent is a leading global private equity investor committed to working in partnership with management teams, entrepreneurs, and founders to help transform businesses. With 16 offices across five continents, we oversee more than USD $100 billion in assets under management* and have made over 435 investments across 44 countries. Since our founding in 1984, we have developed specialist market expertise across our five core sectors: business & financial services, consumer, healthcare, industrial, and technology. This approach is bolstered by our deep subsector knowledge, which informs every aspect of our investment strategy, from sourcing opportunities to working in partnership with management to execute value creation plans. As one of the largest privately-owned partnerships, our 675+ colleagues leverage the full ecosystem of Advent’s global resources, including our Portfolio Support Group, insights provided by industry expert Operating Partners and Operations Advisors, as well as bespoke tools to support and guide our portfolio companies as they seek to achieve their strategic goals.

*Assets under management (AUM) as of June 30, 2025. AUM includes assets attributable to Advent advisory clients as well as employee and third-party co-investment vehicles.