2025-05-31-accounts

REGISYEREOCOMPANY NUMBER: 08061944IEnBland and Waiesl REGISTEReD CHARrrY NUMBER.. 1149170 THE FJR THE wrrERFLY AvM_C￿Rr[y UM 12 Gathway N112UT

THE BurrERFLY AVM CHARITY LIMITED CONTENTS OF THE FINANCIAL STATEMENTS FOR THE YEAR ENDED 31 MAY 2025 Pag Report ofthe Trustaes Independent Examinerfs Report ststement of Financial Activities Balance Sheet Not•s to the Financial Statements 9 to 14

THE BU￿ERFLy Aini_G.wrTY ￿E￿p TME TRiisfEes A THE YEAR ENP.ED 31 MAY2025 f￿a￿oI $lalemts of tknty year eTr1eO 31 2025. Im￿eeS haye •W the of a￿darKe the RerNlry Stsrthrtt appf¢•ble n I1 Rerth of I￿￿ThJ IFRS 1021 leffetsNe 1 J3nuary20191. O&JECTIVES ANDACTJVMES ObJ•etfv•$ and akns IAllk151. The a&)p￿] ol L"eLts are w false Èvents aThl promot￿r￿S 8ryJ donate Its woteeds COr¢L￿ research treatments for AVAls afyj fiNiir#J a tsj￿. There has been r($ R3dv)k)gi51saTha Tre3thniikn. The Butterfty AVPA tharty 0￿¥￿je5 its a¥rfal￿. AS￿ 111 dre￿5 bs fft Il thai or day all their efforts c¢me leadw *def¥thtr•aknr45 arKI a ¢)Jr

I￿TtERFLy AVAI c￿lARITY lIM￿ED RE Q.F_THE T OR THE YEAR ENDEO 31 MAY20 OWECTf¥ES ￿IDA¢TmnEs Signthunt a¢tiYiUes 8ullertty AVM Charity hJ5 UCL£OS AVKI RtsEarch team wluch 15 based ai Ur￿￿Er51ty CoLiege LoTrS)n IUCLI. G￿31 orr￿ sl￿ IGOSI. Ir6b%￿8 of Htsmh arys Ihe Fraws Crith Insffithe. 1&1 by rk Maaw P￿￿b)l￿j aThJ Pnjfessor VerwKa TrQrtsipr. as L¥a￿9 ¢Xrf Y￿th Lxjr I￿aIrS re5earth 0Tr1 ayreeifvJ a g3nl of £105.SW The Royal Free NHS (vryuW) ￿￿71h the VCL The projea 1$ liued 'Ddwbffj Mc4eoJL8r CelLlafMethar#srn5 In Va$r￿r Ktsrfomiatr)n5". This wojett in May 2025. ai thtr Urd%Yrgty of Ethnw GÈrs C8ror ¢0 retJL41 tr 8 bLrttsrtly AVIA fuNkd kY)5Wo&oral reSea￿tr. Ths 8ddOmHI rese3idr ¢mbark tyi an projea sueerwy cl ¢ngs on AVM 2ebpT6h o1atxy8bon￿Itte thNver5ity of Edth￿. Tr L¥)5tof¥Mstu￿ t￿ytarp￿rKj¥mll te £179.n7. The ow ol Ilxs tesearth is"W sc¢ÈerriroJ ol carter bty) sryttrth3 da18 carKw ll br￿ harbouriry Ihe same KRAS on partoty of an ￿ wro screen an AVIA to ￿rflore￿ in eeu type Roh wi¥ Ihen u¥) on kn thWJfy Fcod e appffjved sjrw In Ihe ￿ %itrD ￿￿en th¥1 hove rv)I been lrie¢ as veatrnprts&NAVMarkl thai eaTh bo iak•nknrf knrIeS￿ npaberrtcel S￿s aThVor in athl￿ mode&. owrK KW Va￿rt%. has d•7k￿bare0 of 8ne1tr5p￿t 5mag IntsrfenThJ RNA 35 Iherapoubc rfet)ts for C0Th11)￿S. swi foThvard. an orttK)wnal 3PPfoath to WgÈled treakn¢nl usr4 smau rtrf¢riffj RNA5¢Je5¥wed v. P&x2

EP RT TKET FOR ThE YENA ENDED 31 IIAY202 OBJECTIVES ANDACTivmES part of new co¥akntion ai VThW d E01￿J￿h. F￿￿r￿14. effed ol the we from OLY pu￿￿he dewewg be a ￿fe Iherapy ￿ the knJer rp kTh)YAe6ge in tlis ar•¥. V+ ￿ rwini speoft célLw pw 1101 raft t larg¢ied to or Polenl immateAWs. deiaw CortL￿r map of Avhts. 71#5 mop ￿ reveal rfftJaruin 8f¥J suprKi the deveW)Of4 ol tsr9tled ther3wes. fx fUr￿lThJ has akntd Royal Free Hoswral thrs mi￿SWIn0. fi0311Se and We Iwe th• ol a weahh (Pffjf Jaw Tw. Ilr Clw sm ￿m. Pmf thXe￿ Br¢okesl wrKhJ leadirg ￿￿¢¢￿01 schtsts {P￿r Mawè Pwf 88ithrMI Its er6L¥e the suc£￿ woject ond lis tra￿lat￿)n ¢kn¢. chrtW dtsease arby ￿ wwrtarKe of srveasJ reseath dwa%es by trjlh iha t>Jverr¥T¢ni ar ma￿￿tKa1 comparites. is 8ts0 ￿ Ihe GLirww ivjk ol Records as é%v of the 8AFfA3 sp￿1 IrK thanty is also an &th)r. off Ww. fa¢¢5 was recth 10 latk al Nakn in Ger¥a lo fai¥ &Ya¥erw art¢ a￿j 15 n>)YvJ the kn¢fen¢s5 of Iha OL raty of A￿ts aThl fv IKk of tss ¢0 m810 8 C￿rted effort to prov sufferets an ytty•ale %vebsrte rrfyw been u￿ated make n rnre iESP)nsve arvj u50rf(ndty provKIÈs a seML to rfoofams tho btssttrea￿ts arxj Iw ra6&J aKar￿s$￿ on a￿Jme h¥h. Tho I￿lee$ hav¢ gwen ¢kn rewd io gLwJarth ty the ahirty ui Yhwi thv £h8nty $ro￿d v￿e￿￿k. oimpw Iho rjuty ￿ Sea￿ 17151 orth8 3)11 Cttariies Ad ￿ have (Jue regard to guK18fK4 wbltsw bylJ c0mmw￿. Detats ol ￿thE tharity¥ e ale ¢elailed Gr4n¢maklnB wayol a gonL

THE_NITTEBFLYAVM￿.HABIYYL1M RepoRT FTHeTr NOEO 31 MAY2025 FINANCLAL REWEW R•Sor￿ pollty 11 Is ttte ol thè • Ihat ILwhts t¥e been ée5VJna￿l speok w 5Wd be m￿n￿￿e0 81 a level eqvNa￿nI lo ttheeft lI￿e aTr1 st< rronth3 •lmvH51r3bve support eXpe￿A￿e. The trltsiees o)AswJÉ¥ th81 feserbw al kns 1 eftsula ¢hal. kn the 8venl ol a s￿￿nI drop in Iwxlw. Ihty ba fo (nbrwe Ihe chatsys tutrent acmies cw6¥Jeralw 15 to Ytay5 in fth15 may be Tts k8bi of re5eThs hès General unresirtthd fL￿a £154.746 [￿$$nated SJTrJ. R8se4rth £171.7 twnaied ￿￿￿.To8)I￿L £30.O)J $0 gtaiefiA fol ts genEffjWS 9xry donal1￿ of G￿ffreY O• aTrJ R￿se1 il h￿￿ our or¥JD',r4J Al treTrJdth8 y￿. wwas &Thfi￿￿￿1l￿peI>￿￿8$ £139.140 the ￿%?r il thaThty of £78.16? n &Jdti)n to C126.CW taltrw from v ￿l￿b￿l￿n$ fromG&Jffw oartya￿ JoRl•i RLs$￿L furtboThrg aryl sithYardslMpolth&dwrty. STRUCTURE. GOVERIWICE AND MAIIAGEMENT Go¥Yml•9 dtscurr•nt The r5 a compaty guar3ntee. as by tts (knrMe5 11 is wnwoaed by its g)vwnw Nor of the Tntsiées ha5 arry L￿erK￿ IhE ihe t(￿le￿$ we wmbw5 of thg company and 9varanÈtOWlWèute £1 8ni ¢fa?￿l¥j Lp. MrG (kni5ts¢jWa￿￿aI m¥9vol￿drty. REFERENCE AND ADMINISTRAnvE DETAiS R•9lsto1od Company r•w#bor OW61944 *Wasl A•gi¥t•r•d ¢b•iilynLNnb•r 1149170 869 Hyh R Noth F￿Y Lorthn N12 80A Poge4

REP FOR TH RTOFTHET _YE4R ENDEO 31 MAY Trwt••s Mi G S Gery9)u ￿red MrK PeriftyTK>U Owior Indoperyl•nt Examln•r Mr Phirporissipl￿oUbA(knTr FCCAFCA G. GeDfgeAssooaies 12 G81rny￿th$ Riryway LwJon N11 2ur 5 reptsrt h35 baen wwared ) acuthrte spial of Part 15 ofthB CornpariÈs P4 2Ct)6 10 smaUc0Mpar￿. ts bBWty. P•J8 S

THE 8urrERFLY AVM CIIARITY LI¥￿E0 Ind•pondgth•x•mtivfs wwrtfoth•tn￿t¥￿ ofTh• Bult•rtty AVM CharityUmlt•dlkn Compan I repm to Lhe ￿nW￿ls￿e5(￿myexaMlnètsnQ1 theactourtsol theC•rtySJr 31 May2W45. R•spon51bfjUO•s4ThJ l>a81sof fewt As the charivs orth¢ I￿1 also for ts P￿￿505 ofo)mpary l•wl ytsu we for I trla%ir¥ saitsfibj rnyself that ihg 8¢<thmts oftr Gynparry •t w retymrpj lo te Pad 16 of Ihe 2C#]5 Aa afe elgitslè lor i￿ep￿errt &yarwobon. I rewrt in w ol my ol wur dHnly's actounl$ 8s ca￿1ed out utsJer Secith 145 01 th¢ Charths A# 2011 2011 Adl. raff￿r￿j tyjt my ex8Mifw￿ I have foJW Oire￿￿ gwi by Ilje Chty Ccffjw¥ssi)n 145(51 lblo1￿ 2011 Ind•￿Tra•nt oxam1n0￿8￿￿t•rnertI I lyave compr¢tsd my exèntrna￿n. I thai ￿ rna￿&￿ rme * my wth the eyaminai gNirs me 10 b￿￿.. acwLts ¢Jo ￿ t•mpty ith th• acoxthJ wwemÈnLs of Sedw 395 01 Ihe 2rths Aci olher than any urerrni that a¢coLmts 9¥ ¥ tNe r¢ ¥ OYL5AJered as part of an I￿8p¥JenI 0?￿4￿e %4ith tha Fvwoal Reporiry sAard•5 aptA¢4￿1n thfyVK Re￿￿Ortr￿S IFRS 10211. (Iw•n inlhis reKort uioroer￿0n0tle a pMporyThlefsi￿l￿Clthfr 8c(£Kwts reachpj. MrPfv&l55iF￿ FCCA FCA 12 Gaie¥rayV liw Way L(%￿On N112UT

FOR THE Y ENDED 31 MAY2025 7024 Yo￿1 hJTrJs Tolal INCOME AND ENDOV4NEMfs FROM ¥M.162 204.182 172.665 6.692 5.317 Total 210.854 210.854 177.W2 EXPENDITUREON Ra￿r￿j fur￿3 1470 2.470 55.816 69.244 69.244 029 Totsl 71.714 71.714 123.845 NET INCOME 139.140 139.140 S4.137 RECONCILIATION OF FUNDS 21Q862 216.8F2 162.725 TOTAL FUNDS CARWED FORWARD 356.002 216.862

BUTYERF.LY A￿m_¢){ABWr￿y BALApKe SHE 31 MAY 2025 2025 Tothi 2024 To¢al f￿5 CURFIENT ASSEYS e25h olbankard inh8r 9.313 9.313 346.689 216.862 356.￿3 216.e62 NET CLIRREiif ASSErs 356.1)J2 216.W2 TOTAL ISSETS LESS CURREp¥f LIABILFfiES 216 ET ASSEYS 216.862 FUIIDS 10 General 154.746 171.256 51.862 135.000 30.000 Oesignots6 ￿￿j.￿1kkn ¢)Y$ty)vT￿akn 216.862 TQTAL FUNDS 216.862 The tharira¥e mrrwty 15 b) ox)W kom 477 of ALI 2TrJ6 IDr ￿ year 31 Uay202S. The membe15 have Thji requrwj oyrparty ¢0 oLtsn ￿ pAA1rt of15 fl￿)$ for the year eTrJ8d 37 èAay 2025 Cornpan￿$￿I2￿6a kYepaDry [inaT￿￿ 518ienwrt5 TAth ￿ a tsir %iÈw of tho s&te d aff5 ￿ the rJ*ntatye cfjmparry as ai erf ofeath year arrfj ol rts gJ¢pts efdefpx lor exh fina￿lar ￿ar fft 8t0)￿ar￿ the reQU￿rne￿$ Ibl MrG

TAYEMENTS R TrIE VEAR ENDED 31 MAY 20? ACCOUNTWIG POUCIES B$1501proparing th• flnlrtcial statsm•n rwroal ￿1￿4116n1S ol the ctsrtsble (Lryarry. be￿ enlrty FRS 102. have been wepw&J in ¥Cordar￿e ChaDtits SOF￿ IFRS 1021'A￿)￿￿br￿j ard Repo1￿￿￿ by Cher￿8$." Slalerneni SlaTrlaid lppknble in UK OTr1 RepuWK ol IFRS 1021 leffedNe 1 Jan￿ry 20191.. Final￿31 Reporbtvj StaTrlaid 102 Tr Fin￿ Repybrg Staryjard appltatltr ift ￿ VK aThJ Rew)k ol •)J Companios th thorty h) amual d￿r do￿. Nikki The charitable rAwèrty var4•30 of th& exempb)n ￿ propafft￿ fmar4•1 Exp•thdhwe are reowed 0$ won a5 ss a tryal ct4gakn mmmrtbrKJ Il tharity to thai exp¢rfituro. it ts wobabb L14ry1 a trarffjler of ecorfflK ￿errf$ wil bp reqL￿ti) in seNe￿nI aThJ the amount ol 00￿JaIl)n <8n bÈ measwtyj reti3tty. EV￿3rtU￿ r& for OTr an ￿tI￿aL5 basis ar￿ Iw5 been rJassiW tnle( Ihai 4grffjale ¥1 C¢)5t rdaled 10 ￿ tstw. tosts ran￿1 bo dtye• aiirxrtod Fund •¢eourtlng FL¥1her exr4anawJnol Is ￿J•1¥+I1? r¥tes to * fmano* $k￿MEnts. •ji￿led BS write tsansQ￿￿ FRS 1WI ¢)jntifi￿...

ThE 8iTrrERFLY AVAI Rlfy ELUIEAR ENDECI 1 MAY202 OONAnONS ANO LEGA￿Es 2025 Tofal 2024 Tow luThl5 78.102 126.CbX* 78.162 126.000 172.665 204.162 M.162 172,665 INVESTMENTINCOME 202S Toial 2024 Tow fuThJs 6.692 6.692 5.317 RAISING FUNDS 20Z5 Toiat luThJ5 2024 Total furMJ5 r¥J5 53.S57 2.259 2.470 2.470 1470 2.470 55.816 GRAFifs PAYABLE Y)25 2024 69.244 68.029 31.S2S 31.5.24 69.244 68.029 04 Juty 2WL4 22A￿j￿ 2024 1 l N(wember2024 11 Novemb¢(2024 18Jarwry 2025 22 Awd 2025 Oi W3J25 £5.155 £5.156 £27.147 £5.049 £5.244 E13.0>) P•Je io

ThE ￿￿TrEItFLy AVM CHA￿.l￿.[￿ED EQ.R ThÈ YEAR TRUSTEES. REMUNERATIONAND BENEFITS 14DED 31 Th9rè ￿￿e bomfts lor y•ar ￿J?) 31 Nlay 2025 ￿ for year endvj 31 May 2024. T￿rnwel¢ tK) ￿￿$'e￿￿e5 ￿lIf0r1￿ >e8r 31 A4y2025IKY Y4areTrj￿ 31 May 2tr24. MATEft￿L T11411SFERS Atran51¥ was ￿je￿Ike￿ olE1D5.s￿ Imm thè knNI b tre I￿1 of VrMvw5ty Colbae LgThlon Ifor resparth grnnl5. ¢OMPARATI4ES FOR THE STATÉMÉiif OF FINANCi4L ACTivftEs Tobi INCOME AIID EI4DOYaryAEN￿ FROM D￿J￿r6 aThJ Iws 172.665 172.665 5.317 5.317 Tot 177.982 177.982 E¥PENfATUREON SS816 55.816 Rese•fth FUThj￿. rs¥￿ted Tot 69.029 123 123.845 NET INCOME 54.137 54,137 RECONCILi4MON OF FU140S 162.725 162.725 TOYIL FUtr4DS CARRIEO FORWARD 216.862 216.862 DEBTORS.. A¥OUNTS FALUNG OLIE7hwfHIN ONE YEAR 2025 2024 9.313 )nwwed...

THe BUTfERFLY FOR THE YEAR E140ED 31 MAY 202 10. MOVEMENT W FUNOS Nel Tra￿ Al 1.624 At 31.5.25 lu Genwai iuTrl 51.862 135,0 2Ce.384 169.2441 1105.5)JI 105X 151,746 171256 216.862 139.140 .002 TOTAL FVNDS 216.862 139.140 M0￿ment Gewal f 210.854 12.4TOI 169.2441 169.2441 210.854 139.140 TOTAL FUNDS 210.854 171.7141 139.140 Net 11.623 fur 31.524 Genwal fw 57.725 75.fK#J 122.166 (68.0291 1128.0291 128.029 51.862 135.oc 162.725 54.137 216,862 TOTAL FUTr•OS 162.725 54,137 216.862 luTrJs UNgsirfGt•df Ge￿1￿ f 17T.982 155.816) 168.0291 122.166 168.0291 177.982 1123WI 54.137 TOYNL FUNDS 177.982 1123.8451 54,137 P•Jo 12

THe BU￿ERFLy A TATEM E YEAR ENDED 31 IIAY 2025 R TN MOVEMEMf Jpi FUNDS. ronllrnd At 1.623 ILnds I￿r￿S 31 5.25 GeT￿ra1 I￿ry 57.fd5 75.C 12315291 233.529 154.746 171.256 Deswated fL¥xJ. N￿k1 Treabnert 1137.2731 162.725 193.277 256.002 TOTAL FUNDS 162.725 193.277 356.002 V4)vemeni De5gnaiedftJ￿E.vth•mtyCAll&3P LoTrJJn 158.2861 1137.2731 1137.2731 1195.5591 193.277 TOTAL FLINDS 1195.$591 193.277 Th& Un￿￿Y Loth Iles03rt FI￿ Qeai Om¥)TrJ S¥ed Hwprt•ll is 11 9ri payfflen Nthki iLrf i5 kn 8 fv lor fvrttw org)irvJ tsEa¢0￿ on Nkki AVM 0)Tr1itti1. Trnnsfero b•lwn lur A Iran5fer was byeed tru5W sn the fin¥K3al year ol tI05.5C) fmm 9eneTrl fuTr1 lo Dessn31ed fLWKI to rover rfjseatch L4)l&iaken AVM Corfition C4iw LO￿On G￿[orMC￿￿ Y1 b8lttrfol¢hs Dwthj firtl al the Yeare￿I￿a$ £171.256 OTHER FINNCIAL COMMrfMENTS The cjwnty has a commiknei b) pty re5eath Inkn V* AW tyjrbjitw. £171.256 h85 bE¢n ¢esKJnated tsr 2025 to 2028 Pago 13 o)nbnug9...

THE.BLrrTERFLY AVA4 -￿HARITyLI￿ITEI• THE FI FOR ThE YEAR ENOED 31 MAY 202S RELAYEO PARTYDbSCLI)SURes Py14