WISeQey Issues CEO Letter to Shareholders: Building an Intelligent, Secure Platform for the Intelligence Age

WISeQey Issues CEO Lette to Sha eholde s: Buildi g a I tellige t, Secu e Platfo m fo the I tellige ce Age

Ge eva, Switze la d – Octobe 21, 2026 – WISeQey Co p. (fo me ly k ow as WISeKey I te atio al Holdi g AG, “WISeQey”) (Nasdaq/SIX: WQEY), a global qua tum cybe secu ity a d space IoT compa y, today issued a Lette to Sha eholde s f om its Fou de , Chai ma a d Chief Executive Office , Ca los Mo ei a, outli i g the G oup’s st ategy a d p io ities followi g its edomiciliatio a d the Nasdaq listi g of its space co ectivity subsidia y, WISeSat.Space Holdi gs Co p (Nasdaq: SAIQ) (“WISeSat.Space”).

Dea Sha eholde s,

Octobe ma ks a impo ta t ew chapte fo ou G oup. Followi g the successful completio of ou c oss-bo de me ge a d edomiciliatio , WISeQey Co p. bega t adi g o Nasdaq a d the SIX Swiss Excha ge u de the u ified ticke WQEY o Octobe 5, 2026. This milesto e establishes the co po ate fou datio fo ou ext phase of developme t: b i gi g togethe the G oup’s tech ologies to build t usted i f ast uctu e fo the I tellige ce Age.

Alo gside this achieveme t, ou subsidia y WISeSat.Space successfully completed its busi ess combi atio with Columbus Acquisitio Co p., with its o di a y sha es comme ci g t adi g o Nasdaq u de SAIQ o Octobe 2, 2026. The listi g established a dedicated public-ma ket platfo m to adva ce ou ambitio of b i gi g cybe secu ity to space a d delive i g t usted satellite co ectivity. As disclosed via the Octobe 14, 2026 SEC fili g, WISeQey emai s WISeSat.Space’s la gest sha eholde , di ectly holdi g 23,387,061 WISeSat.Space sha es, i cludi g Class F sha es o a as-co ve ted basis. I cludi g the 3,018,294 sha es held by SEALSQ, WISeQey epo ts agg egate be eficial ow e ship of 26,405,355 sha es, ep ese ti g app oximately 88.5% of the o di a y-sha e class u de the fili g’s be eficial-ow e ship methodology.

The st uctu e also allows each busi ess to p ese t a mo e focused i vestme t p opositio , while WISeQey wo ks to co ect compleme ta y tech ologies a d develop oppo tu ities ac oss the G oup. Ou objective is to combi e the focus of dedicated public compa ies with the comme cial adva tages of collabo atio ac oss secu e semico ducto s, digital ide tity a d satellite co ectivity. With these t a sactio s completed, ou focus is o comme cial executio , tu i g ou tech ologies i to custome deployme ts, buildi g eve ue-ge e ati g elatio ships a d allocati g capital to oppo tu ities with a clea path to lo g-te m sha eholde value.

Buildi g T ust I to I tellige t SystemsThese milesto es suppo t a clea st ategic objective: to i teg ate the G oup’s compleme ta y tech ologies i to a i tellige t, secu e platfo m co ecti g people, devices, machi es a d satellites.

As a tificial i tellige ce becomes embedded i eve yday i f ast uctu e, co ected systems will i c easi gly excha ge i fo matio , make decisio s a d i itiate t a sactio s auto omously. Thei useful ess will depe d o whethe thei ide tities, data a d actio s ca be t usted. Ou ambitio is to p ovide that fou datio of t ust, f om the semico ducto i side a device to the etwo ks a d se vices th ough which it ope ates.

We i te d to b i g togethe five compleme ta y capabilities:

• Secu e semico ducto s a d post-qua tum c yptog aphy, th ough SEALSQ, to establish ha dwa e-based t ust a d st e gthe p otectio agai st eme gi g th eats.
• Digital ide tity a d public key i f ast uctu e, to authe ticate people, devices a d se vices a d p otect thei i te actio s.
• Secu e satellite co ectivity, th ough WISeSat.Space, to exte d t usted commu icatio s beyo d te est ial etwo ks.
• A tificial i tellige ce, to suppo t i tellige t se vices ope ati g with authe ticated ide tities a d p otected data.
• T usted machi e t a sactio s, th ough tech ologies such as SEALCOIN, to suppo t secu e i te actio s a d excha ges betwee co ected devices.

Ou ext step is to co ect these capabilities by c eati g a platfo m i which a device ca establish its ide tity, commu icate secu ely, ve ify the o igi a d i teg ity of i fo matio , a d pa ticipate i autho ized t a sactio s. We see pote tial applicatio s ac oss i dust ial automatio , logistics, e e gy, co ected mobility a d c itical i f ast uctu e.

Co ecti g Ou CapabilitiesThe collabo atio betwee SEALSQ a d WISeSat.Space illust ates this st ategy i p actice. SEALSQ’s $10 millio PIPE i vestme t, completed alo gside WISeSat.Space’s busi ess combi atio , p ovided capital to adva ce satellite i f ast uctu e a d suppo t the pla ed i teg atio of post-qua tum secu ity ac oss space, g ou d a d use systems. The collabo atio aims to combi e satellite capacity with secu e semico ducto s, c yptog aphy a d t usted ide tity helpi g custome s authe ticate co ected devices a d p otect the data they excha ge beyo d the each of te est ial etwo ks.

Ou P io ities fo Sha eholde ValueFo WQEY sha eholde s, ou objective is to build lo g-te m value th ough both ou st ategic holdi gs a d tu the G oup’s combi ed capabilities i to eve ue-ge e atio comme cial oppo tu ities. Ou listed subsidia ies p ovide focused platfo ms fo developme t a d fi a ci g, while WISeQey’s ole is to d ive collabo atio , p io itize oppo tu ities whe e ou busi esses a e st o ge togethe , a d t a slate those adva tages i to lo g-te m sha eholde value.

Ou p io ities a e executio , discipli ed capital allocatio a d comme cializatio . We will focus o t a slati g tech ology i to custome deployme ts, expa di g i dust ial pa t e ships a d developi g se vices that add ess co c ete secu ity a d co ectivity eeds. We will evaluate i vestme ts agai st thei comme cial pote tial, fu di g equi eme ts a d expected co t ibutio to sha eholde value.

We e te this ext chapte with a clea co victio : as i tellige ce becomes mo e dist ibuted a d auto omous, t ust must be built i to its fou datio s. WISeQey’s ambitio is to help make that possible.

Tha k you fo you co ti ued co fide ce a d suppo t. We a e focused o ea i g that t ust th ough discipli ed executio , comme cial p og ess a d a sustai ed commitme t to c eati g lo g-te m value fo you, ou sha eholde s.

Ca los C eus Mo ei aFou de , Chai ma & Chief Executive Office WISeQey Co p.Nasdaq / SIX: WQEY

About WISeQey

WISeQey Co p. (“WISeQey”), is a B itish Vi gi Isla ds holdi g compa y focused o post qua tum cybe secu ity, digital ide tity, space tech ology a d the I te et of Thi gs (IoT). Its ope ati g subsidia ies a d tech ology platfo ms add ess disti ct pa ts of this po tfolio:

1. SEALSQ Co p (Nasdaq: LAES) develops secu e semico ducto s, public key i f ast uctu e (PKI) a d post-qua tum secu ity p oducts.
2. WISeSat.Space (Nasdaq: SIAQ) develops space tech ology a d secu e satellite commu icatio s, pa ticula ly fo IoT applicatio s.
3. WISeID p ovides digital ide tity, authe ticatio , secu e access a d digital sig i g fo i dividuals, e te p ises a d co ected devices.
4. WISe.ART Co p ope ates the WISe.ART ma ketplace, which uses blockchai tech ology to suppo t t usted digital asset a d NFT t a sactio s.
5. SEALCOIN AG develops dece t alized physical i f ast uctu e etwo k (DePIN) tech ology a d the SEALCOIN platfo m.

Each subsidia y co t ibutes to WISeQey’s missio of secu i g the i te et while focusi g o thei espective a eas of esea ch a d expe tise. Thei tech ologies seamlessly i teg ate i to the comp ehe sive WISeQey platfo m. WISeQey secu es digital ide tity ecosystems fo i dividuals a d objects usi g blockchai , AI, a d IoT tech ologies. With ove 1.6 billio mic ochips deployed ac oss va ious IoT secto s, WISeQey plays a vital ole i secu i g the I te et of Eve ythi g. T usted by the OISTE/WISeQey c yptog aphic Root of T ust, WISeQey p ovides secu e authe ticatio a d ide tificatio fo IoT, blockchai , a d AI applicatio s. The WISeQey Root of T ust e su es the i teg ity of o li e t a sactio s betwee objects a d people. Fo mo e i fo matio o WISeQey’s st ategic di ectio a d its subsidia y compa ies, please visit www.wisekey.com.

Fo wa d-Looki g Stateme ts

This commu icatio exp essly o implicitly co tai s ce tai fo wa d-looki g stateme ts withi the mea i g of the P ivate Secu ities Litigatio Refo m Act of 1995 co ce i g WISeQey, WISeSat.Space a d thei espective busi esses. Fo wa d-looki g stateme ts i clude stateme ts ega di g ou busi ess st ategy, fi a cial pe fo ma ce, esults of ope atio s, ma ket data, the a ticipated be efits of the busi ess combi atio , WISeSat.Space’s pla s to expa d its satellite i f ast uctu e a d develop post-qua tum-secu e satellite commu icatio s, eve ts o developme ts that we expect o a ticipate will occu i the futu e, as well as a y othe stateme ts which a e ot histo ical facts. Wo ds such as “aims,” “ambitio ,” “a ticipates,” “expects,” “i te ds,” “pla s,” “will” a d simila exp essio s a e i te ded to ide tify fo wa d-looki g stateme ts. Although we believe that the expectatio s eflected i such fo wa d-looki g stateme ts a e easo able, o assu a ce ca be give that such expectatio s will p ove to have bee co ect. These stateme ts i volve k ow a d u k ow isks a d a e based upo a umbe of assumptio s a d estimates which a e i he e tly subject to sig ifica t u ce tai ties a d co ti ge cies, ma y of which a e beyo d ou co t ol. Actual esults may diffe mate ially f om those exp essed o implied by such fo wa d-looki g stateme ts. Impo ta t facto s that, i ou view, could cause actual esults to diffe mate ially f om those discussed i the fo wa d-looki g stateme ts i clude WISeQey’s ability to co ti ue be eficial t a sactio s with mate ial pa ties, i cludi g a limited umbe of sig ifica t custome s; ma ket dema d a d semico ducto i dust y co ditio s; WISeSat.Space’s ability to ealize the a ticipated be efits of the busi ess combi atio , ope ate as a public compa y a d mai tai its Nasdaq listi g; the success, cost a d timi g of satellite lau ches a d ope atio s; competitio i the satellite a d cybe secu ity ma kets; a d the isks discussed i WISeQey’s a d WISeSat.Space’s fili gs with the SEC. Risks a d u ce tai ties a e fu the desc ibed i epo ts filed by WISeQey a d WISeSat.Space with the SEC. WISeQey is p ovidi g this commu icatio as of this date a d do ot u de take to update a y fo wa d-looki g stateme ts as a esult of ew i fo matio , futu e eve ts o othe wise

This p ess elease does ot co stitute a offe to sell, o a solicitatio of a offe to buy, a y secu ities, a d it does ot co stitute a offe i g p ospectus withi the mea i g of the Swiss Fi a cial Se vices Act (“Fi SA”), the Fi SA’s p edecesso legislatio o adve tisi g withi the mea i g of the Fi SA. I vesto s must ely o thei ow evaluatio of WISeQey a d its secu ities, i cludi g the me its a d isks i volved. Nothi g co tai ed he ei is, o shall be elied o as, a p omise o ep ese tatio as to the futu e pe fo ma ce of WISeQey. Give the isks a d u ce tai ties desc ibed he ei , you should ot place u due elia ce o fo wa d-looki g stateme ts as a p edictio of actual esults.P ess a d I vesto Co tacts