UNITED STATES
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FORM
CURRENT REPORT
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Item 7.01 Regulation FD Disclosure
Deep Fission, Inc. is furnishing an investor presentation that management intends to use in upcoming meetings with investors and other stakeholders. A copy of the presentation is attached hereto as Exhibit 99.1 and incorporated by reference herein.
The information contained in this Item 7.01 (including Exhibit 99.1) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by specific reference in such filing.
Item 9.01 Financial Statements and Exhibits
| Exhibit No. |
Description | ||
| 99.1 | Investor Presentation dated November 6, 2025 | ||
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) | ||
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| Deep Fission, Inc., | ||||
| Date: November 6, 2025 | By: | /s/ Elizabeth Muller | ||
| Elizabeth Muller | ||||
| President and Chief Executive Officer | ||||
Exhibit 99.1

P o w er in g H u ma ni t y f r om a M il e U n de r g r o u n d DeepFissi o n . c om T he F as t est P ath t o S c a l e Nu c l e ar P ow er N o v em b e r 5, 2 0 25

L e g a l Di s c l a i m er — F or w a r d - L oo ki n g S ta t e m e nts This p r esentation contains f or w a r d - looking statements within the meaning of the U.S. f ederal securities l a ws, including, among o ther things, statements r ega r ding Deep Fission, In c .’s d e v elopment plans, anticipated p r o je c t timelines, cost o b je c ti v es, comme r cialization strateg y , partnerships, and o ther futu r e matters. F or w a r d - looking statements a r e based on cur r ent e xpe c tations and assum p tions and i n v ol v e risks and uncertainties that could cause a c tual r esults to dif f er materially f r om those e xp r essed or implied. Important fa c tors that could cause such dif f e r ences a r e described under “Risk F a c tors” and “Special N o te Rega r ding F or w a r d - Looking Statements” in Deep Fission’s r egistration statement on F orm S - 1 (as amended f r om time to time) and in o ther filings Deep Fission ma k es with the U.S. Securities and E x change Commission (“SEC”). Deep Fission underta k es no obligation to update or r e vise a n y f or w a r d - looking statements, wh e ther as a r esult of n e w in f ormation, futu r e e v ents, or o therwis e , ex ce p t as r equi r ed b y l a w.

Co r e Idea and Origin Story The Economist Pil o t Rea c tor D e v elopment F o x Business N e t w ork CEO O v ervi e w EnerCom De n v er Con f e r ence 3 Initial Planned Sites W orld Nuclear N e ws 12.5 G W in Pipeline Bloombe rg $30M Financing, Go - Public T ransa c tion Bloombe r g | P ow er T echnology | P r ess Release D eep F is s ion is l ev e r a gi n g th e E arth ’s o w n p h y si c s t o r ed e f i n e the tim e an d c os t o f n u cl ea r p o w er dep l o ym e n t. Cl e an e n e r gy f or the AI e r a.

4 I n t e g r at i n g th r ee p r o v e n ad v a n c e m e nts. G e o t her m a l Me tho do l o gy D e e p B o r eho l e D r i l l i ng + + H y d r ostatic p r essu r e f r om one - mile - deep column of w ater p ro vides 160 atm of i n vulnerable p r essu r e sa f e t y , naturall y . PWR uses r eadily a v ailable l o w - enriched uranium (LEU) fuel. N ov el depl o yment app r oach applies p rov en ge o thermal m e thodology f or ene r gy trans f er f r om the natural heat sink p r operties of the sur r ounding geolog y. E v ol v ed bo r ehole design is 100% drillable using standa r d oil & gas infrastru c tu r e f or containment a mile unde r g r ound. P r e s sur i z ed W a t er R e ac t o r Deep Fission combines standa r d p r essurized w ater r ea c tor (PWR) technology with deep bo r ehole drilling and ge o thermal m e thods to sol v e f or the containment, p r essu r e systems, and eme r gen c y co r e cooling infrastru c tu r e that account f or ~75 - 90% of nuclear’s cost.

5 Re g u l a t o r y A d v anta g e: D e e p Fi ss i on se l e c t ed as o n e of 10 c o mp an i es f or the U . S . D e part m e nt of E n e r gy Nu c l e ar R e a c t or P il ot P r o g r a m — A fast - t ra c k in i t i ati v e t o d es ign, b u ild , a nd op e r ate ad v a n ced t est r ea c tor s, wi t h the a m bit io u s go al o f r ea chi ng c rit i ca li ty by J u l y 4, 2026. August 12, 2025 W ASHIN GT ON — The U.S. Department of Ene r gy (DOE) tod a y of f icially kic k ed off P r esident T rump’s Nuclear Rea c tor Pil o t P r ogram, announcing DOE will initially w ork with 11 ad v anced r ea c tor p r o je c ts to m ov e their technologies t ow a r ds depl o yment. DOE will w ork with industry on these 11 p r o je c ts, with the goal to constru c t, operat e , and achi ev e criticality of at least th r ee test r ea c tors using the DOE authorization p r ocess b y July 4, 2026. T od a y’s initial sele c tions r ep r esent an important step t ow a r d st r eamlining nuclear r ea c tor testing and unleashes a n e w path w a y t ow a r d fast - tracking comme r cial licensing a c tivities . “P r esident T rump’s Rea c tor Pil o t P r ogram is a call to a c tion,” sai d Deputy Sec r e tary of Ene r gy James P . Danl y . “These companies aim to all sa f ely achi ev e criticality b y Independence D a y , and DOE will do ev erything w e can to support their ef f orts. ” Seeking DOE authorization p ro vided under the Atomic Ene r gy A c t will help tod a y’s sele c ted companies — Aalo Atomics In c ., Anta r es Nuclear In c ., Atomic Alche m y In c ., Deep Fission In c ., Last Ene r gy In c ., Oklo In c ., Natura Resou r ces L L C , Radiant Industries In c ., T er r estrial Ene r gy In c ., and V alar Atomics In c . — unlock pri v ate funding and p ro vide a fast - trac k ed app r oach to futu r e comme r cial licensing a c tivities.* *U.S. Department of Ene r g y . (2025, August 12). Department of Ene r gy announces initial sele c tions f or n e w r ea c tor pil o t p r ogram. 5

6 Mark P érè s VP E n gi n eeri n g 40+ y ears in Nuclear Engineering M ich ae l B r a s e l COO 30 y ears ac r oss nuclear, f ossil, r en ew able ene r gy A ny a Scud er i Strat e gi c Finan ce 10 y ears e xperience in ene r gy capital mar k e ts Ra ni F r a n o v ich VP R eg ulato ry Aff a irs 30 y ears at NRC K w ad w o Adu t wum N u c l e a r R e a c to r Co r e Desig n E n gi n ee r Holte c , Dominion, X Cel Mark Sch m i t z C F O 40+ y ears global f inance leadershi p , f ormer C F O , It r on, Good y ear, Plug P ow er J a s o n P ot t orf Pri n ci pal I &C Sa f e t y A nal ysis E n gi n eer 25 y ears in comme r cial nuclear ene r gy sa f e ty B r y a n B l a ck VP B u si n ess D ev e lo p m e nt 15 y ears in nuclear and p ow er se c tors E li z a b et h M ull er C E O and Co - F ound e r Co - F ounder, Boa r d Chair & F ormer CE O , Deep Isolation (nuclear w aste disposal) Co - F ounder, Ber k el e y Earth R ich a r d M ull er PhD CT O and Co - F ound e r Co - F ounder, Deep Isolation MacArthur “Genius” 80+ nuclear patents P r o f essor Emeritus , UC Ber k el ey Cultu r e of colle c ti v e dri v e , ecosystems ov er empi r es, and AI - nati v e agilit y. Meet the n e w f a c e of nu c l e a r. Chl oe F r ader VP o f St r at egic Aff a irs 15 y ears in startups, political and f inance se c tors

Exp ert A d vi so r y B oa rd S t ev e K oo nin Sp e cial G ov e rnm e nt E m p l o y e e , DOE F ormer Chief Scientists at BP and F ormer Undersec r e tary of Ene r gy P atr i ck Hus t o n Brig. Ge n . (R e t .) FBI Scienti f ic W orking G r oup on AI S t ev e Chu N o be l L au r e at e F ormer Sec r e tary of Ene r gy Kr is t in S v e r ch ek F or m er P r eside n t o f Lyft J o R il e y Co - F ound e r and C E O o f C e n s ia Ent r ep r eneur f ocused on AI models f or talent sou r cing Mark P e t e r s C E O o f M it r e Corporation F ormer Head of Idaho National Labs Allis o n S a lis b u r y E nt r ep r e n e u r Building social impa c t companies J o hn Mat h er N o be l L au r e at e in Ph y sics Senior Ast r ophysicist at NASA’s Godda r d Space Flight Center 7 B r e t Jo hns e n C F O o f Spa ce X F ormer C F O of Mindspeed T echnologies

Demand is quickly surpassing supply due to the su r ge in capital e xpenditu r e f r om AI - dri v en data centers and hyperscalers. W e a r e at a point whe r e shortfalls in ene r gy supply a r e becoming critical. F ast depl o yments of nuclear p ow er with Deep Fission technology m a y p ro vide a compelling l o w - cost solution and rapid build tim e . By 2033, the U.S. ene r gy transition mar k e t is p r o je c ted to r each $1.18 trillion * , and that number is li k ely to rise as demand continues to outpace suppl y . While the U.S. has the la r gest f le e t of nuclear p ow er plants, d ev eloping n e w r ea c tors has p rov ed e xtrao r dinarily dif f icult. Only th r ee n e w r ea c tors h a v e come online since 1996.** *U.S. Ene r gy T ransition Mar k e t Siz e , Sha r e & T r ends Analysis Report, 2025 - 2033 (Grand Vi e w Resea r ch) **N e w Y ork T imes, after M a y 2025 E x ecuti v e O r ders announcement 36 TWh Inc r ease in Global P ow er Consum p tion 2033 US Ene r gy Mar k et D e m a n d f or e n e r gy c ou l d qu ickly c re a t e a nat i ona l se c ur i t y a n d i nf r astru c tu r e c r i s i s. Onl y $1.18 T rillion 3 n e w r ea c tors since 1 9 96 8 3200 3700 4200 4700 5200 5700 6200 2000 2005 2010 2015 2020 2025E 2030E 2035E 2040E 40% ov er n e xt 10 y ears + US Ele c t ri c i t y Dema nd T Wh Sou r ce: Blackstone

T raditional/Surface L ev el Rea c tors C r ed ibili t y , c o st & c o mpl e xi t y a r e b arr i e r s — W e a r e in a r a c e agains t t i m e. C r edibl e , sa f e solutions ta k e decades to build, m a ximize pushback, and often amplify costs to the point of cancellation. N e xt - Gen SMRs Small modular r ea c tors a r e hinde r ed b y their ability to p r oduce cost - ef f e c ti v e ele c tricity in the near term. N ov el Rea c tor Startups N e w solutions pose high risk with unp rov en upside — iterati v e , untested tech as opposed to wholesale b r eakth r ough. D e e p Fi ss i on i s des ig n ed f or r apid d e pl o y m e nt, built with sta n da r d t e c h n o l o g y , a n d e n gi n ee r ed f or e c o n o mic t r ans f or m at i on. The DOE has decla r ed a nuclear fast - track with a ta r g e t to achi ev e criticality of at least th r ee test r ea c tors b y July 4, 2026. Deep Fission beli ev es it has a plan and path to be one of those th r e e. 9

C o mp et i t i v e L a n ds c a p e: A t - A - Gl a n c e (1 G W) 10 6 - 10 y ears 3 - 4 y ears ~6 months $15B+ (1 G W) $8 - 9B (1 G W) $2.5 - 3B (1 G W) LEU ( r eadily a v ailable) HALEU (ha r d to sou r ce) LEU Long, compl e x Medium (still n e w tech) DOE fast - track friendly La r g e , one - off p r o je c ts Modular, but still costly to r eplicate 100 r ea c tors on one site can p r oduce 1.5 G We $180+ per MWh N/A y e t, li k ely > $100 $50 - 70 per MWh Build T ime Constru c tion Costs Fuel T ype Regulatory P ath F eatu r e/M e tric (1 G W) T raditional Nuclear Rea c tors Ad v anced Rea c tors Modularity/ Scalability L e v elized Cost of Ene r gy ( L COE)

11 Standa r d Fuel Assemblies with r eadily a v ailable LEU fuel, e xploring 2x2 and 3x3 con f igurations D e e p PWR D e e p Geo V a ult Steam Generator l ev eraging co nv entional ge o thermal technology D e e p Ge ot h er m al Standa r d Bo r ehole drilled utilizing r eadily a v ailable technology D e e p Fi ss i o n ’ s B o r eho l e R e a c t or D es ig n m a y b e the bigg est s c i e nt i f ic b re a k th r ou g h i n nu c l e ar p o w er of the l ast 5 0+ y e a r s. + P a s s i v e S a f e t y a n d C o nt a i n m e nt + N o N ee d f or Exp e n s i v e Me g a - S tru c tu r es + N a t u r a l E m e r g e n c y C o r e C oo li ng

N e w P r ess u ri z e d W at er R e a c to rs a r e still n o t cost - ef f e c ti ve Deep F issi on compelling economics ac r oss the boa rd Rea c tor P r essu r e V esse l $$$$ $ $ Eme r gen c y Co r e Cooling System s $$ $ $ Rea c tor Containment Buildin g $$$$ $ $ Nuclear Constru c tion and Quality Assuranc e $$$ $ $ Supply Cost f or Standa r d Fuel Assembly * $ $ $$ Ad v anced/Small Modular Rea c tors HALEU Fuel Supply $$/N o t r eady f or comme r cial a v ailability N/A Nuclear Constru c tion and Quality Assuranc e $$ $ $ estimated 70 - 80 % c o s t r ed u c t i o n vs. comp e titor priced p r o je c ts O ur D e e p B o r eho l e R e a c t or b re a k th r ou g h imp r o v es on m a j or v ar i a bl es of P W R a n d S M R c ompl e xi t y a n d c o st.

Not j ust vi a bl e — P r o f i ta bl e f r o m d a y o n e. Sou r ce: US Ene r gy Information Administration (2023); Laza r d ’ s LCOE Report (2024); DOE Pathways to Comme r cial Lifto f f: Advanced Nuclear Including ene r g y , capacit y , and envi r onmental attributes Deep Fission Expected Contracted Sales Price ($/MWh) $80 - 1 30 L ev elized Cost of Ele c tricity ($/ MWh) O v ernight Installed Cost ($/MW) Solar PV + Storage (Utility ) $60 – 21 0 $.85 – 1.4M Wind + Storage (Onsho r e ) $45 – 13 3 $1.3 – 1.9M Coa l $69 – 16 8 $3.31 – 7.01M Gas Combined C y cl e $45 – 10 8 $.85 – 1.3M US Nuclear ( V ogtle ) $18 6 $15M Ad v anced /Small Modular Nuclear N/ A ~$8 – 9M Deep F issi o n $50 – 7 0 ~$2.5 - 3.5M* 13 T a r g e t L CO E of $5 0 - 70/MW h e n a b l e s nu c l e a r p r o j e c t econom i cs t o b e c o s t c om p e t i t i v e with o th e r trad i t i o na l a n d r e n e w a ble f o rms o f ene r g y.

T raditional Rea c tor pace F r om b r eaking g r ound to compl e tion in 6 - 10 y ears SMR pace F r om b r eaking g r ound to compl e tion in 3 - 4 y ears Deep Fission Speed Fully - built in 6 months Drilling 3 - 4 w eeks Installation 8 - 10 w eeks D e pl o y m e nt Sp eed: E st im a t e d 6 - m onth c o mpl et i on cy c l e f r o m b re a ki n g g r ou n d t o fu lly - b u il t. Commissioning 6 - 8 w eeks 14

Re g u l a t o r y Sp eed — 8 T a ilwi n ds f r o m E x e c ut i v e O r de rs 1 Speed up Rea c tor Li c ensin g C r e a te s e xp e d i t e d pa th w a y to a pp ro v e r ea c to r s te ste d b y DoD an d DO E. Es t abl is he s NRC d ead l i n e to lic e nse w i t h i n 1 8 m o n th s. Deep Fission’s r egulatory strategy aligns with DOE’s st r eamlined authorization fram ew ork f or r ea c tor demonstration and supports comme r cial licensing b y NR C. 2 A dd 300 G W b y 2 05 0 Ex p a n d s c a p ac i t y t o 40 0 G W b y 20 5 0 , in c l u di n g 5 G W o f u p r a t es, LPO f o r r ea c t o r r e st ar ts , & 10 n e w l a r g e - s cal e r e a c t or bui l d s. The Deep Bo r ehole Rea c tor will all o w quick scaling f r om meg a w atts to gig a w atts equi v alent to a la r ge scale r ea c tor build. 3 F as t er Rea c t or T es t ing La u n ch e s n e w D OE p i l o t p r o g r a m t o b u il d a n d te s t t h r e e r e a c to r s b y Jul y 4 , 2 0 26. On August 12, Deep Fission w as sele c ted as one of only 11 p r o je c ts to participat e , alongside n o table companies such as Aalo Atomics and Okl o. 6 B o ls te r U . S . W o r k f o r ce I n c r ease s i n a p p r e n t i c e sh i p a n d ed u ca ti on op p o r tu n i ti e s. I nc r ea s es a c c e s s t o R & D i n f r a st ru c tu r e .. Deep Fission’s leadership p r o f il e , compa n y r eputation and inte r disciplinary engineering app r oach b r oadly inc r ease talent d ev elopment and c r oss - skilling opportunities. 7 Spent Fuel Managemen t R ec o mmen d s n at io n a l p ol i c y o n sp ent fu el ma n ag e m en t an d hi g h - l ev e l w as t e t ha t c o n si d er s a d v a n ce d fue l cy c l e. Our depl o yment model encompasses sa f e interim storage pending identi f ication of National, long - term storage solutions. Long - term isolation strategy is al r eady in place th r ough p r oa c ti v e collaboration with Deep Isolation. 8 Expand U.S. Expor t s P r od uce s str a t e g y to i nc r ea se f i n a nci ng f or U . S. p r o j e c t s a n d p r o m o te n u cl ea r tr a d e. Our r ea c tors a r e designed f or seamless scale a n ywhe r e in the w orld. Deep Fission’s co r e assembly is assigned a TRL of 9, r e f le c ting its wide e xisting comme r cial a v ailability and e xtensi v e operational histor y . 4 Depl o y f or AI & Militar y Di r e c t s D oD to b u il d a r e a c tor a t a m i l i tar y i ns t al l a tio n wi th i n 3 y e ars . A ll o w s DO E t o u t il i z e a uth o r i ti e s to au th ori z e r e a c t o r s f or A I a pp li cat i o n s. Deep Bo r ehole Rea c tor a r chite c tu r e is inhe r ently modular and scalabl e , enabling compa c t a r ea depl o yment p r e f erable f or military installation s . 5 R a mp Up F uel P r odu c t i o n B u i ld s o u t U .S . n uc le ar fue l su p p l y ch a in . In c r ea se s en r i ch ment and de c o n v er si o n s e rvi c es . Re l ea ses 20 m e t r ic to n s o f H AL EU. The n ov el app r oach of our r ea c tor at - de p th uses co nv entional LEU (n o t HALEU) and is mo r e r eadily a v ailable than exo tic alternati v e fuels ( e. g., TRISO fuel). 15

100 C o m m e r c i a l Sp eed — re ac t o rs Ra pi d S c a l e f r o m Fi r st R e a c t or t o Fi r st F o c us : D ata C e n t e r s 1 . 5 G W e Up t o 100 B o r e h ole s o n T h r ee Ac r es 10 re ac t o rs 16 150M W e Bu ild 9 Additio n al Un its S ecu r e d site - host a nd o f f - ta k e L OI s a t t h r e e loca t i o ns: K ansa s T e xa s Utah 2 0 27 2 0 28 DOE Nuclear Rea c tor 2 0 2 6 Pil o t Authorization Pil ot R e a c t or Bu ild/O p e r a t e Fi r s t Un it 1 re ac t or Pil o t Comme r cial P r o je c t at T est Site P artnership with Ende a v our Edged Data Centers

Deep Fission is partne r ed with Ende a v our, a sustainable data center + infrastru c tu r e compa n y , to co - d ev elop 2 G W of nuclear ene r g y , supporting sales to major cloud p ro viders. This partnership c r eates a di r e c t comme r cial path w a y f or Deep Fission r ea c tors in one of the fastest - g ro wing ele c tricity demand se c tors, l ev eraging its unique ability to deli v er r eliabl e , ze r o - carbon baseload p ow er at scal e. L a n d m ar k P art n e r sh i p W it h E n d e a v our 17 Full Ende a v our P ort f olio: W orld Nuclear News

A cc e l e r a t e d I n n o v at i on — D e e p Fi ss i on i s a n e w c lass of inf r astructu r e . Deep Geologic L ev erage DBR Canister Design Deep Casing & Containment Rapid Install, O&M Deep Sa f e ty & Security • Shielding • Containment • Security • P r essurization • Rock moderation • Choice of de p th • Butter f ly • Ladybug • Lune d o wncorner • Lune f ill • Rock moderation • Choice of de p th • Steam generator • Cigar burn • L a y out • Centralizer • Cement • Instrument access • Additi v es • Coiled tubing • Casing f ill • P r e - fab • Re - f ill • AI • Load f oll ow • Geologic • Steam cooling • ECCS • Air ex clusion Co r e Conce p t Stack Deep Bo r ehole Nuclear Rea c to r Storage & Deep Steam 24 P ending Applications; 1 US Application All ow ed 40+ Unique Inn ov ations and N ov el Conce p ts IP p r o cess is e xped i ted vs . c om p e t it or s , a nd p o r t f o lio of 7 pate n t f am i li e s c r eat es lo ng - t e r m IP mo a t a nd l ic e nsi n g p o t ent i a l . 18

P r o pr i et a r y an d C on f i d e nt i al | | 19 N ov e l D e e p B o r ehol e R e a c tor i n t e gra te s n uc le a r e n e r g y with p r o v e n o i l a nd gas te c h n ologi es , enabl i ng r a pid, r e pea t a b l e , h i gh - v ol u m e dep l o y me n t . This s t rate g y s i m p li f i es th e s a f e t y c as e , r e d u c es e m e r ge n c y p lann i ng z ones, a n d en a bl e s r e a c t o r si t ing i n p re v iou s l y i n ac c ess i bl e ma r k e t s. Fir s t major b r e a k th r ough in th e nu c l e a r i ndu s t ry i n 5 0 y e a rs E s t im a t e d 80 % c o st - s a vin g s o v er co mp e tit o r p r o je c t e d co sts du e to d r as t i c a ll y - r ed uce d c o n s t r u c tio n budg e t s a n d ti m e l i n e s . P r o je c t f in a n c ing i nclud e s a te c h n ology l i c e ns in g f e e that c ov e rs t h e fu ll co st o f t he f irst c omm e r c i a l p r o j e c t i n 202 6 a f t e r r e ce ivi n g a n e xp e d it ed l i ce n s e f r om th e NR C . High RO I is unmat ched f o r a f ir s t - o f - a - k ind p r o je ct De e p F i s s i on ’ s r e a c t o r p i l o t p r ogra m s tr at e g y a l ig n s pe r f e c tly w i th P r esi d en t T r u mp ’ s na tion a l s e c ur i t y an d e n e r gy goals to e n s u r e U .S. domi n a n ce g l oba l l y . Furt he r , th e u s e of c o mme r c i a l l y p ro v e n te c h n ologi es als o f a c i li t a t es r egulatory a c c e p ta n ce a n d r ed u c e s the d ev el o p m e n t b u r d en asso cia t ed w it h n o v e l compo n e n t l ice n s i ng . I n v es tm e nt i s a cce l e rat e d b y sig n i f ic ant po l i c y ta i l wi n ds P ro vi s i on al p a tent s on using n a t ural p r o p e r ti es o f the d e ep su b - surfac e t o r educ e t h e c o st o f n u cl e ar p ow er c r e at e s i g n i f i can t I P l i cens i n g p o te n ti a l. L O I ne g o t i a t i o ns unders c o r e te c hnologi c al r e a din e ss a nd c om p ellin g economi c s e v e n f o r e st ab li sh e d pl a y ers in t he i n d ust r y , on top o f r e a c t or sys te m sal e s, l i f e c y cl e se rv i ces , and Bu i ld - Own - O pe r a te r ev e nue s t r e a ms. P lat f o r m r ev e nu e mo de l wi t h t ech t r an s f er opportuniti es 1 2 3 4 T h i s m a y b e the m o st imp ortant i n v est m e nt of our li f et i m e — Emp ow ering a winning nuclear technology is k e y to leadership in the age of AI. 8 m o n t h s t o J u ly 4 , 2026 19

S cala b le B r oad - range mar k e t serviceability f r om 15 M W e to 1.5 G We. R e ad ine ss DOE pil o t p r ogram sele c tion o b tained. Pil o t facility b y July 2026. L OIs f r om f our p r ospe c ti v e sites. A f f o r da b le T a r g e t $50 - 70 per MWh f or continuous suppl y. S p eed Estimated 6 months f r om b r eaking g r ound to p r odu c tion. P r ov en N ov el combination of p rov en nuclear and ge o thermal technologies. S a f e ty One mile unde r g r ound with natural containment and p r essu r e. S u mm a r y I n v est m e nt T hes i s 20

P o w e r i n g H u m a n i t y f r o m a M i l e U n de r g r ou n d F o r i n v es to r inquiries, c o n t a c t : Bob Prag IR@deep f ission . com (858) 794 - 9500 F o r media inquiries, c o n t a c t : Chloe Frader VP Strategic Affairs chlo e .frader@deep f ission . com T he F as t est P ath t o S c a l e Nu c l e ar P ow er