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2025-12-31-accounts

HEREDITARY BRAIN ANEURYSM SUPPORT (HBASUPPORT) CIO TRUSTEES, ANNUAL REPORT AND FINANCIAL STATEMENTS FOR THE PERIOD ENDED 31 DECEMBER 2025

HEREDITIARY BRAIN ANEURYSM SUPPORT(HBASUPPORT) CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 CONTENTS OFTHE FINANCIAL STATEMENTS FOR THE PERIOD ENDED 31 DECEMBER2025 Charity Information Page 2 Trustees'Annual Report Pages 3-13 Independent Examiner'8 Report Statement of Financial Actlvities Page 14 Page 15 Balance Sheet Page16 Notes to the Accounts Pages 17-22

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBASUPPORT) CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Charlty Information Trustees Rebecca Mlddleton Mark Nicholas Bouldlng Emma Middleton Dawn Ellen Carmel Robert8 Professor Diederlk Olivier Bulter8 Lee Judson Bethany Lumborg PrinelpalAddre89 DBS Managed Office8 Old Police Station South Street ASHBY-DE-LA-ZOUCH Lelcestershlre LE65 1BR R•gistered Charlty Number 1210213 Accountan18 Shelton Accountancy S8rvl¢es 51 BeaumontAv8nue ASHBY-DE-LA-ZOUCH Lelcestershlre LE65 2NF Independent Examlnor8 Darcey & Bate Accountant8 Unit 3, Rushton's Yard ASHBY-DE-LA-ZOUCH Leic&stershlre LE65 1AL

HEREDITIARY BRAINANEURYSM SUPPORTIHBASUPPORT) CIO ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Trustees'Annual Report Objectives and Activities CHARITY NUMBER 1210213 Our Purposes and Actlvltl88 The purpose of the charity Is to asslst In the treatment and care of people wlth braln aneurysms and support research Into the condltlon. During the year, H6rgditary Braln Aneurysm Support IHBASI dellvered a range of activities to support indlviduals and famllies affected by braln aneurysms. p8rticul8rly those wlth a hèreditary rlsk, and to lrnprove awaréness and understandlng of the condltion. The charlty developed 8nd publlshed a 8ulte of 8ccesslbl& resources deslgngd to help individuals and families navigate diagnosis, screening and treatment. These included the HBA Patient Guide, practlcal lifestyle guldgnce through the"Howto Llve Well" 8uide, and a dedicated resourcé for young peop18 to help them understand heredltary rlsk and famlly hlstory. HBAS expanded Its communSty 8UPPOrt and èngegement through Inltlatlve8 Includlng the launch of Its onllne peer support programme, 'Braln Aneurysm FTlends" 8nd tha publlcatlon of patient stories and case studl88 to r8du¢e Iso18tlon and conna¢t famlll88 facing slmllar challenges. In 2025 the charlty Also launched Br8in Aneurysms and Beyond. the UK'S first podcast dedlcated to braln aneurysms, provldlng expert inlorm8tion, patlent experlences and practi¢al guldance to a wlder aud18nce. The charltyworked to ensure the volce of people affected byhereditary brain aneurysmswas represented in national dlscu881ons about neurological and rare dlsease pollcy. Thls Included engagement wlth parliamentary events, contrlbutions to NHS consult8tiong. and p8rticlp8tion In sector networks end medical conferences. HBAS contlnued to strengthen its research and cllnic81 partnershlp8. actlng as a petlent partner in malor national $tudles explorlng Eneurysm risk and genetlcs, and supporting work to improve the evidence base and understandlng of hereditary brain an8urysm8. Through these actlvltles, 81ongside publlc awareness work and digit81 outreach, the charity has contlnued to provlde Inforrnation, advocacy and support for individuals 8nd familles affected by brsln 8neurysm and those with Increased herèditary rlsk. Charity Comrnlssion guldance on public beneflt HBA Support confirms that thè truste8s h8ve had due regard to the Charity Cornmisslon's guidance on public benefit when carrying out their duties and rnaklng strategic decisions. Thls commitment is embedded In our governan¢e processes, strategic planning. and ev8luatlon of impact, ensuring the charity continues to operate transparently and in the best Interests of the publlc it seNes.

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBASUPPORTI CIO ACCOUNTS FOR THE PERIOD ENDING31 DECEMBER 2025 CHARITY NUMBER 1210213 Grants HBA Support's policy on applylngfor grants centres on making strong. mission-alSgned applications that clearly demonstr8te the need, the evidence, and the impact of the work. It emphasis88 clarity, accountability, and measurable outcomes, ensuring every application shows howfunding wlll directly improve support, awareness, and outcomes for people affected by braln aneurysms. Contrlbutlon made by volunteers HBA Support volunteers contrlbut8d 1.723 hours to the charlty. Th1$ was rnade up of our core tgam and clinic81 volunteers in 2025. This represents a m8sslve investment of professional time whlch is equivalent to a full-time senlor steff member worklng fre8 Df charge. The dedicatlon of our volunteers enables the ch8rity to dellv6r hiEh-quallty re80urces, support families, and contribute meanlngfully to research. policy and aw8rgness activity. Achlevements and Performance Maln achlevements of the charlty The HBA Patlent Gulde: Our flagshlp publlcatlon. Thls comprehenslve m8nual helps familles n8vlgate the complex medlcal pathway, explalnln8 screenlng protocols and treatment optlon8 in clear, 8cce8slble language. It Is d881gned to replace fearwlth understanding. "How lo Llve Well" Ould6: A diagn08is often brlng$ anxlety about dally Ilfe. Can I exercise7 Can I fly? Thls gulde provldes practical, evldence-b88ed lifestyle advlce to h8lp people live conf Idently with rlsk rather than being defined by It. Theyoung Persons Guide: Because heredltary aneurysms gffect generatlons, we created speciflc resources foryoung people to help them understand their famlly hlstory without belng overwhelmed by it. It was designed by a young person for a young person, brldging the generatlonal gep. Podcast: In 2025, we launched Braln Aneurysms and Beyond-the UK'sflrst podcast dedicated entirely to brain aneurysms. Four episodes were published: "Facts not fèar: Living well with 8 braln aneurysm". Cat L8￿b (John Radcliff8 Hospit811 and Flona Moss (The N8talle Kate Mo8$ Trustl on pra¢t1¢81 lifestyle guidance for patlents. How to Ilve with health anxiety". Psychotherapist Kym Winter {Raremindsl on man8gingdiagnosi8-related anxiety and'scanxiety." "In Thelr Words: Andy's stOry"_ A patient 8tory of surviving a 8ub8r8chnoid haèmorrhage at 21 and rebuildingwlth HBASupport.

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBASUPPORTI CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 ROAR-DNA: Agroundbr68kinggenetic study"_ Guest-hosted byvivlenne Parry. exploring a landmark study that could replace lifelong scr88ningwith a slmple saliva test. PeerSupport".-In 2025, we launched"Brain Aneurysm Friends," our onllne peer support programme, with two sesslons held. The first. in September, was supported by a specialist Br8ln & Spine Foundatlon Nurse and explored livlng well with an unrupturgd brain aneurysm. The second, In December, w8s led bythe community, forthe communlty. Breaklngth8 Isoiation:Through our case studies and peer networks, we connected families who previou8ly thought they were the only ones faclngthis challenge. Supportlng an Award Wlnnlng Natlonal Play; In 2025, we supporte(J L, an award-wlnning play by braSn 8n8urysm patlent and playwright Sam Ipema, during Its four-week run at Rlversldg Studios in London (May) and the EdlnbLJf8h Fe8tlval Fringe (August). Advocacy & Pollcy Influenca Ensuring the pstlent volcels heard at the high8St levgls. AS 8 8m811 charlty, wè knowwe have to punch above ourwelghl to be heard. In 2025, we Becur8d our pl8¢e 8tthe table with key decislon-rnaker$ in both Parllament and the NHS. Parll8mentary Engagement The Neuro Alllanc8 ParllamentAry Receptlon: We represented the speclfic needs of HBA famllles dlrectly to MP8 and pollcymakers. Rare Dl8ease Day Recepllon: We advocated for hereditaiy braln aneurysmsto be rècognised wlthln the natlonal rare disease framework. Key Membershlps The Neurological Alllance Genetic Alllance (Rebecca is a Trust661 Eurodls Gene People Association ol Brit18h Neurologists IRebe¢¢8 Middleton (Chairl sits as an EDI CommSttee Member) Shaplng NHS Policy NHS 10-Year Plan; We submitted a formalresponse tothe consultation ensuringthat n6urovascular conditions are not overlooked in the next decade of health strategy.

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBA SUPPORD CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING31 DECEMBER 2025 Neurosurgery Sp8Citication Consultation: We provided dlrect input into cllnlcal standards to ensure patient outcomes are prioritised. HBA Support held a Series of Constructive moetlngs wlth Le8 MCGIII, Head ot Neurolog5cal CondStlons at the Department of Health and Soclal Car8, to advocate for greater natlonal recognition of br8in 8neurysms and the urgent need for improv8d pathw8ys. These discusslons were partlcularly tlm8ly In th8 context of the Government's announcementthat NHS England will be integr8ted into DHSC by 2027, creating a critical window to influence future structures, prloritles, and accountablllty. Our engagement focused on ensurlng that brain angurysms ar8 not OV8rlookBd wlthln thls transltlon and that the volc88 of patlgnts 8nd famllles are refle¢ted In forthcomlng policy and setvice-design decisions. Meetings with Steven Hardy. Head of Dlgltal and Rare Dlsease at Natlonal Dlsease Registration Service, leadingto proposal to investigate how the condition Is counted and presented on cllnlcal datab8ses, Engagement wlth Clinical R6se8reh Group for Speclallsed Neurologg, Clinlcal Research Group for Neurosurgery and spinal surgery servlce8 and cllnlcal leads at neurocentres 8cross the UK. Engagement wlth profes8lonal bodles Includlng: Associatlon of Brltlsh Neurologlsts, Soclety of Brltish Neurosurgeons, Brlllsh Soclety of NeuroradlologSsls, Brltish Assoclatlon of Neuro Nurses. UK Nèuro1nte￿entIonaI Group, Brltlsh Neurovas¢ul8r Group, Brltlsh Neurov&8cular NursaB Group, NeuroThe8tre NetworkGroup. Cllnlcal Pre8en¢e We ensured thè HBA patl8nt p&rspectlve was vlslble 8t major medlc81 conferences throughout the year: SBNS (Society of Brltlsh Neurological Surgeons)~ Belfast Imarchl UKNG (UK NeurolnterventSonal Groupl- (October) UKStroke Forum- INov8mberl ESMINT-Patient Communlcatlon Webinar Iseptemberl British A9sociation Neuros¢len¢e Nurses (October) The Brain Conference- IDec8mberl Media or publlc awarene53 moments Beyond pollcy, wework6d to bre8kthe $ilenc8 around brain aneurysms inthe public sphere. Media Outreach: Through our specialistand regional media outreach we have had the potential to be seen over 3.5 mllllon tlmes.

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBA SUPPORT) CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Digital Reach:Through ourwebsite, Socialchannels and the newBralnAneurysms and 8eyondpodcast, we are reachingthousands ot people who previouslyhad nowhere to turnfor information. We were seen on organlc search 424.000 rnoretimesthan in 2024 and our website visits Incre898d by over 7000. Research & Clinical Partnershlp5 Buildingcredibilitythrough coll8bor8tion. We are committed to en8uring that our families beneflt from thè latest scientific breakthroughs. In 2025, we deepenéd our partnershSps with 188ding research Institution8 to drive better understandingand treatment ofbrain aneurysms. Drlvlngtho Science Fomard ThoRQa&Stlldy{Rlskof Aneurysm Rupture}: HBASupport Isth8 proud Patient Partner tor the largest study of its kind in the world, anonymously monitoring over 20,000 UK p8tlents wlth unruptured brain anourysm8. First results are due In the f Irst half of 2026. Unlocklng Genetlcs: We are actlvely supportlng the RQAR￿bJtsU£l¥, which alms to r8crult 6.000 patients to provide sallva samples tor genetlc 8n81ysl8, building the evidencB bas8 to better Identlfy who n88ds screenlng and who may benefit from treatrn@nt. Re8ults are due Autumn 2029. Shaplngthe Research:We supported the development ofa BQ￿￿ patl6nt workshop, ensurlng the patient perspectlve Is c8ntr81 to how anèurysm shape and blood flow data are used to predlct ruptur8 rlsk uslng Al. Academlc Rigour The Costello Medlcal Revlew: We ¢omml$yioned a major systematlc review of the current evldence ba8e Ipubli8hed In Febru8ry1. This erltieal work exposed the "gaps In care and formsthe academlc foundatlon ofour upcomingwhlte Psper. Cardlff Unlvor81ty Msc Rosear¢h Papers Communlty Bulldlng Strengthening the lived-exp8rience network. 1$018tlon Is often the hardest part of a hereditsry diagnosis. In 2025, we focused on bulldlng a ¢onn9Cted. èmpowerad communitywhere Ilved experlence driv8s everythingwe do.

HEREDITIARY BRAINANEURYSM SUPPORT IHBASUPPORT) CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Embeddlngthe Patlentvolce Patient and FamilyPanel: In November2025, we launched the Patientand Family Advisory Panel IPFAPI, bringingtogether patients, C8rers, and ber88ved rel8tlve$ with Ilved experience of br8in aneurysms. Seven members attended theflrst meeting, sharing their storles, challenges, and hopes. The panel Tneets virtually up to fourtlmes 8 year, highlightlng unmet needs and advisingon howwe communicate. support, and advocate for our communlty- ensuring the patient volce is at the heart of everythin8 from research priorities to resource design. Connecting Famlllas Peersupport Network; Weexpanded ourdlreet support channels, oflering people 8 safe space to ask questions and 8hare fears without judgement. Achievements agalnst objectives set During the year the charlty m8de signlflc8nt progress tOW8rds Its obSeetlves of Improving aw8ren88S, $tren8thenlng 8upportfor f8mllie8 affected by br8ln aneurysms, and ensurlng that the patlent vol¢e Is represented in research and pollcy dlscu$$lons. The developrnent of new educatlonal resources and guidance has Improved access to r6118ble informatlon for IndSvlduals 8nd famllles navigatlng heredltary braln 8neurysm rlsk. The charity also expanded opportunltles for peer support and community connection, helplng Indivldu8L8 affected by braln aneury8ms to feel less isolated and better supported. Through engagement wlth pollcymakers, researchèrs and he8lthcare professlonals, the charity has strengthened tho vlsibility of heredltary brain aneurysm8 Wlthin wid9r neurological and rare dlsease discusslons. The charity has also continued to build partnerships wlth research In8titutlons to 8UPPOrt adv8n¢e8 In the understanding, identlflcatlon 8nd management of braln aneurysms. Trustees belleve these 8chlevements demonstrate meanlngful progress towards the ch8rlty'8 oblectives and contribute to improved awareness, understanding and support for individuals and families affected by braln 8neury8m8. Performance of fundralslng actlvltles agalnst objectives set Communlty Power: Ourfundraising in 2025was driven bythe incredible efforts otour community. Luke Shotter, our flrst EuDd[al￿. , completed 12 challenges in 12 months in memory of his dad steve.who died from a brain aneurysm rupture in 2024 aged 61. Luke's challenges Included running 1,OOOkm across the year. climbing Ben Nevis with his mum and brothers, the Cardiff Half Marathon. and a marathon in a Santa suit finishing attha gates ofwest Ham's London Stadium-the club he and Steve supported

HEREDITIARY BRAIN ANEURYSM SUPPORTIHBASUPPORT) CIO ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 CHARITY NUMBER 1210213 side by side. As Luke said: "If I can help one person get sgen earlier, ask bett&r questions. orunderstand wh8t this is- It'll be worth it. Thefrionds and familyofKitWtkn. who was lostto a ruptured braln aneurysm, have contlnued to raise funds for the organls8tion this year. reaching more thsn £13,000 through a vsrlety of initiatives. HBA Support: Hlke tor Hop6: In June 2025. we h81d our InauguralELWoLEty- a 9-mile sponsored hike to Klnder Scout on the Pennine Way In the Peak District. Twenty fundraisers tackled the route, led by brain aneurysm survivor and qualified mountain leader Andy Motch, ralsing over£￿a. Total Ralsed: Through all the strands of ourf undraislng, we ralsed over £100.000 and directly invested back into patlent resources. charlty support and research. The patient and supporter volce "What struck mè most about H8Awa8 how p9r8onalth8 supportfglt... It'8 notlust a webslte- It's P8opl8 who really care. Loma. 8 supporterwho lost her Mum to a SAH. °The doctors were wonderful but there really18n't any after care. to halp understand the challenges we mightf8ce 8nd howto de8lwlththem. Support groups like HBASupport, and others onllne, have been a real Ilfelln8 and the sense of communlty Is really helpful." Deborah, who had h8r br8ln 8neury8m treated to prevent ruptur8. "When I was dlagnosèd, I felt fru8tr8ted and confused. There wasn't much informatlon for families like ours. Most of what I found focused on ruptured aneurysrns, not on people living wlth a family history. That's why I'm so passlonate about helplng HBA Support flll that gap. Dawn, 8 patient and supporter. "When It happened to me, myf8mllywere In 8uch a daik place," she 8ays."Org8ni88tion$ like HBASupportglv8 people hop8, connection and knowledge. Th8t'swhy I wantto supportthem because nobody should have to go through this without help." Maria, a SAH patient and 8UPPOrter. "It was the first time I read something and felt seen. Like Someonè actually understood what we were going through, 8nd whèn I spoke to Rebecca, and heard hei inspiring story, l also realised that-with the right informatlon- at the right time-there is hope. That's when I decided I had to do something.. Luke, who lost hls Dad to a SAH on finding HBASupport. "Knowingtherg are others goingthroughthe samething provided me with much-needed supportand understanding."

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBA SUPPORTI CIO ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 CHARITY NUMBER 1210213 Andy, a SAH patient and supporter. Review of the charity's financial position HBA Support ended the financial period In a stable and positive position, with total income of £139,727, the majority ofwhich camefrom communityfundr8ising and donations. Expenditure for the period totalled £136,564, covering both charitable actlvlties and the costs of ralslng funds. After all costs, th8 ch8rlty reported a net surplus of £3,163, which has been carried forward a8 unrestrictÈd rè8BNes. This surplus provides an Important early foundatlon for financial reslli8nc8 as the charity contlnues to grow. The accounts show that the charlty Is operatlng wlthln Its means, wlth Income broadly aligned to expenditure and all r8Strl¢ted funds fully 8pplied to their intended purposes. The reliance on comrnunity-generated Income Is ref lected In the high proportion of donations within the total. and the ¢h8rlty contlnues to monitor this closely as part of Its wlderflnanclal rlsk man8gement. Over811, the yeer-end posltlon demonstrates careful stewerd8hlp of funds, effectiv8 cost control, and a clear commltm8nt to dlrectlng resources towards patlent support, organ18atlonal development, and research engagement. Charlty's Pollcy for Holdlng Reserve8 Heredltory Braln Aneurysm Supportwas est8bllshed In September2024 es e CIOtr8nsltionlng from a Community Interest Company and is In Its aarlydevelopment phase wlth no 8taff co8t$ orflxed agsets. The ¢h8rlty wlll hold three months of oper8tlng cost8 (worked out at the start of each f Inanclal yearl of unrestrlcted reseNe8. Our income and expendlture are currently modest. and our abllity to build reserves is constrained. However, we r8cognlse the Importance of developing 8 sustainabla re8erv6s posltlon over tlme. The charlty held negiiglble raseTve$ at the perlod and, Our inltlal reseNe8 target Is to hold unrestricted f ree reserves equlvalent to three months of cole operating costs. Based on our current budget and worked out as part of our budgeting process at the start of each flnancial year. We recognlse th8t thls may tak8 time to achieve. We are cornmltted to reachlngthls number bythe end ofthe 2026flnancialyearfor HBA Support. We wlll review this target annually 8$ the organlsatlon grows. The charity's principaL sources of funds HBASupport's incom8 in 2025 wasgenerated predominantlythrough community-led fundraising, with the majority of funds raised by indlviduals and familles dlrectly affected by brain 8neurysm loss or survival. Ourfirst Fundraising Champion, Luke Shotter, completed twelve challenges in twelve months in memory of his father, raising significant support through activities ranglng from a 1,OOOkm running challeng8 to a marathon cornpleted in a Sant8 Sult at West Ham's London Stadlum. Thefiiends andf8rnilyof KirstyGilmartin continuedtheir 10

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBASUPPORTI CIO ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER2025 dedicated fundraising efforts. contributlng more than £13,000 through a series of community initiatives, AlongsSde these individual efforts, our inaugural Hike for Hope broughttogether twenty participants for a sponsored 9-mile ascent of Kinder Scout, raislng over £5,000. A¢ross 811 fundr8ising strands, the charity raised over £100.000, which was directly reinvested into patient resources, organisational development, and research support to advance our charitable objectives. CHARITY NUMBER 1210213 The princlpal risks facingthe charity Th8 trusteès h8ve consldered th8 prlncipal risks faclngthe charfty and malnt8in a rlsk registgr whlch is reviewed regul8rlyto en8ure approprlate mitig8tlon measures are in place. As the charity continues to grow and demand for Its work increases, ensuring long-term financial SU8tain8bility remains an important prlority. Income generation and financial sustalnability havé therefore been identifled 8$ strategic objectlves for the charlty. Wlth th8 trustees working to strengthen 8nd dlversify Income str88ms to support the continued dellvery and development of the charlty's 8Ctivit19S. The charlty also beneflt8 from the signlflc8nt contrlbutlon of voluntger8 and speciallst 8xpertlse. The trustee8 mitig8te any 88SOC18t8d rlsk$ through strong governance arrangements, collaboration wlth clinical and rese8ich partners, and the development of a wider network of 8UPPOrters and gdvlsor8. The trustees are satlsflèd that approprlate systems and controls are In place to manage these rlsks effectively. Structure, Governance and Management The charlty Is governed by th8 Foundatlon CIO Con8tltutlon. The charlty Is a Charitable Incorporated Org8nisatlon. HBA Support's tfustees are appolnted on the ba8ls of their personal experlence, prof8ssIDn81 skllls, networks, and conn@ctlon to the charlty's mlsslon, ensuring the b08rd refl8Ct8 both the Ilved reallty of brain aneurysm patients and familles, and the strategic expertlse requlred for effectlve governance. The board is intentlonally div9rse, brlnglng together patients, family members, worlQ-le8dlng researchers and surgeons, ond trustees wlth strong flnancial, governance, and organisatSonal leadership experlence. Thls yÈar. the ch8rlly is undert8klng an annual skills audltto assess curr&nt strengths and identity gaps, with the intention of appointing two or more additional trustees to further strengthen the board's ¢apaclty. In line wlth the charity's Trustee Handbook, all future appointments wlll follow robust govern8nce procedures, includlngtransparent promotion, fair and Incluslve recruitment, and a structured induction process to ensure newtrustees are f ully supported in their roles. Trustee Induction and Training HBA Support has established clear pollcl6s 8nd procedures to ensure everytrustee 1$ inducted and supported in line with recognised best practice. All tiustees receive a comprehensive Trust8e Handbook, whlch sets out thelr legal dutles, the charity's governance f ramework, key pollcies, and the expectations of their role. 11

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBASUPPORTI CIO ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 CHARITY NUMBER 1210213 This handbook forms the foundatlon ol a structured in(Juction process that Includes meetings with the Chair/CEO. an overview of current programme8 8nd priorltles. and access to essential governance docum8nts. To ensure trustees have the confidence, skills, and knowledge requlred to fulfil their responsibilities, the charity also provides training and development opportunities. This approach ensures the board remains informed. effectlve, and equlpped to provide strong strateglc oversight as the charity grows. Th8 Charity's OrganlsatlonaL Structure HBA Support18 Currently supported by flve freelance staff and one full-time volunteer. a structure that provides the charlty wlth flexibility, eccess to high-qu81ity specialist skills, end the ability to dellver It8 Str8tegy effectlvely while maintaining tight control overf inaneial risk. Thls model slgnificantly reduces the burden of p9yroll and long-tem stafling comrnitments, ensurlng resources can be dir8Ct8d where they aro most noodad a$ thè organisatlon grows. The Structure is monltored and ev81uated regularly to ensur8 It rem8ln$ fit for purpo88, and It wlll be revlewed once addStlonal cor8 fundlng Is seoured and the charity Is In a posltlon to consider employlng perm8nent staff. Alongslde thls. the charity is Èxploring the development of a formal volunteer programme to strengthen capacity, ¢18rlty roles, and enhance the support otreredtothe community. HBA Support has strengthened Its governance and str8teglc dlrectlon through the e8t8b118hment of a Farnlly and Patient Panel, ensurlng that people wlth lived experlence play 8 central role in sh8pSnE the charlty'8 prlorltles and patient-faclng work. Thls panel provld88 direct Insight Into the needs, challengas. and gxpectatlons of thos8 affected by brain aneurysm8, and its feedback Is actlvely Integrated Into programme design, advocacy, and servSce development. By embedding patient and family voicès into d8cl8lon-m8klng, the charSty ensur6s Its strat88y remalns grounded, rel8v8nt, and responslve to the communlty It Serves. Relationship with Related Parties HBA Support has developed strong, collaborative relationships with aligned charlties across the UK, as well as Wlth our core clinical and professional network8. These p8rtn8rshlps have been gtrengthened signiflcantly through our engagement work overthe past year, whlch has deepened trust, Improved eoordlnatlon, and ensured that our collective offort$ are aiignod around Improvlngoutcomes for people 8ffected by brain aneurysms. Thls network of relationships now forms an important foundatlon for our advocacy. shared learnlng, and f uture strategic collaboration. 12

HEREDITIARY BRAIN ANEURYSM SUPPORT{HBASUPPORT) CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Charity Trustees Name of person lor body) •ntitl•d to appolnt trustee ifan Date appointed Ilf not for whole perlodl Trustoe nam& Office Ilf any) Rebecca Middleton Chair 25 Sept 2024 25 Sept 2024 25 Sept 2024 25 Sept 2024 25 Sept 2024 25 Sept 2024 25 Sept 2024 NIA Mark Nicholas Boulding Emma Middleton Dawn Ellen Carmel Roberts Professor Diederik Olivier Bulters Trustee NIA Trustee NIA NIA Trustee Trustee NIA Lee Judson Trustee NIA Bethany Lumborg Trustee NIA Declaratlon8 The trust88s declare that they havg approved the tru8tees' report above. signed on behalf of the charlty's trustee8 Ms R Mlddlgton-chalr 24 Aprll 2026 13

HEREDITIARY BRAIN ANEURYSM SUPPORTIHBASUPPORT) CIO CHARIIY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Independent examiner's report onthe accounts Reporttothetrustees of Hereditary Brain Aneurysm SupportlHBA Support) CIO, charity I'the Trust") number 1210213, on account8 forthe period end8d 31 December 2025. I report to th8 trustees on my examlnatlon ot the accounts of the above charity forthe period ended 31 December 2025. Responsibilliles and ba51s of report As the charlty'g trust888, you Sre responsible forthe preparation of the accounts in accordance wlth the iequlrement8 of the Charities Act 20111.the Act"l. I report in respect of my 8xamlnatlon of the Trust's accounts Carried out under section 145 of Ihg 2011 Act and In carrying out my examination. I have followed allthe aPPlic8ble Dlractlons given bythe Charlty Commission undei section 14515llbl of the Act. Independent examlner's statement I have compl8t8d myexamlnation. l Confirm that no m8terlalmatter8 have cometo my attentlon in connectlon wlth the examlnatlon whlch gives m8 cause to be118ve that In, any materlel respect: the accountlng records were not kept In 8ccord8nce wlth 8ectlon 130 of the Charit198 Act; or the a¢¢ounts dld not a¢¢ord with the accountlng records; or the 8ccounts dld not comply wlth the applicable requirements concernlng the form and content of account8 8et out In the Charltles (Accounts and Report81 Regulations 2008 other than any requlrement that the accounts give a 'true end fair, viewwhlch18 not a matter consldered 8s part of an Independent examlnatlon. I have no ¢on¢ern8 and h8ve come across no other matters In conn8ctlon wlth the examSnatlon to which attentlon should be drawn in th18 report In order to en8ble 8 proper understandlng of the accountsto be reached. Kayleigh Bate ACCA Darcey & Bate A¢¢ountantS 22 April 2026 14

HEREOITIARY BRAIN ANEURYSM SUPPORT{HBASUPPORTI CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 redikry 8rain Aneur cio Annual accounts for the Tts charl￿ Ng 1210213 riod Perlodstsrf date HBA 2510912024 P£rknderyJ 1212025 Support Section A Statem ent of f inancial activities R•commBnded eakgork¥ by actiylty Ut)rostrl¢ted lund$ RestrktÈd EndowJm2rt Ihcomè ft¢nds fijnds Prlor year Totalfvndi Incomlng resour¢e$ INote 31 F01 F02 F03 F04 FOS t*nwlknni ityicl 99.196 rotsl R¢sources exp•nd•d (Note 41 B¥p•ndllur4 on.. 44 40,487 139,727 2.177 87.582 128069 Mr Total 6,318 138,564 40.487 N•t IncomellexpÈndltui•l belorg Inveilmont galnslllossè$l 3,163 Ne¢ Incornellexpendltur•l Ex¢raordln4ry Items Tnnsfers between fund$ Other r8¢ognls•d galn$ll10s5911'. Nèi M0￿ment In fund$ Re¢on¢lllarlon olfunds., 7ot41 Tot41 funds carrted fonvord 3.163 15

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBA SUPPORTI CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Fknrditaf Bfain An￿1r rl IPIBA Su Annual accounts for p￿rIOd Section B Balance sheet cio Chirii Peri[￿ slartdale.. 25fOW2024 To peri￿ date.. 3111212￿25 UnroBtrkted Incon Endowrnnt Total thk% fund8 fund Total knst Flxed assets Intanglble as8Ot8 T8nglbl& a55ets Hgrltag9 a858ts Investments F01 F02 F03 F04 Fr Tolal rtx•da55et$ Current 088•ls Stock Debtors Investmont8 Cash 8t bank and In hand (Note 61 Total curronl 0s80ts 8,147 8,147 8,147 8,147 CredStor8'. amount• lalllng dug wlthln on• yèar INot• 51 N•t etrnt•m•ts/(1￿bIII1I08j 3,163 3,1 Tot•1 •856ts le¥¥ ¢urr•ntllabllltlo 3.183 3,163 Cr•dltOrn: omountl fallSng duo ¥ftor on• y••r Provl8lon$ for Ilabllltle Tot•1 n0tass9ts ¢v Ilabllltl•s Funds of the Charlty Endowmont fund# Re8trlcted In¢om• fund• Unro$trl¢tfrd lunds Revaluatlon r•8oThe 3.163 3,163 3,183 Fdr v¥lug ro0•ry• rorai thnds 3,163 3.183 Tb• ¢ompanywas •ntlfhd lo wmpllon fmm audltund•r s477 olthg C¢vnpanh8 Act2006 r•ladng lo smèll companh$. Th? membws Iwv• notrequtred Ihg company lo obtaln an audttln Bccordancg wtth sectlon 476 of th• C¢)mpanl•sA¢t Tlpo dhr¢tor8 Kknowledge thglrrespon$lblllU•s foreomplylng wlth the requIr¢m￿lS off th• Companl•s Aetwlth Th850 accounts hav8 b8enp1vwr￿ In accordance wlth thepmknl$lon$ appmcabh tts small¢offtpanles subjoctts t sm4711 companl•s r￿knO &ndln 4¢cwdanco wlth FRS102 SORP. by trustetr on bthHfof al fv tru81008 Pdnt Nama Deteof 8pprobYl 24 16

HEREDITIARY BRAIN ANEURYSM suppoKr IHBASUPPORTI CIO CHARtTY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Notes to the Accounts Note 1 Basis of preparation 1.1 Basls ol accounting These 8ccounts h8ve been prep8red under the historic81 cost convention with Item8 recognised at cost or transaction value unless otherwise stated in the relevant notelsl to these accounts. The accounts have been prepared In accordance with: th8St8tementof Recommended Practice: Accounting 8nd Reporting by Ch8rities preparing their 8ccounts In accordance wlth the Flnan¢i81 R8POrting Stand9r¢ appllcable In th8 UK 8nd Republic of Ireland IFRS 1021 issued on 16 july 2014 the Flnan¢ial R8porting Standard 8ppllcable In thg Unlted Klngdorn 8nd Republlc of Ireland IFRS 1021 end with the Ch8ritle8 Act 2011. 1.2GolnE concern The a¢¢ountS ere prepared on 8 golng concern b8sIs. 1.3 Change of aecountlng pollcy Th8 accounts present a true and falr vlew 8nd the accountlng policiès adopted are those outllned In the notes. No accounting pollcieg h8ve been changed In the current perlod. 1.4 Changes to accountlng estlmates No ch8nge8 to 8ccountlng estimates h8ve occurred In the reportlng period13.46 FRS 102 SORPI. 1.5 Materlal prlor year errors No matorl81 prlor year error have been id8ntified in the reporting perlod13.47 FRS 102 SORPI. Note 2 Accounting pollcles 2.1 INCOME Rocognltlon ot ineomo These are included in the Statement of FlnancialActivitles ISOFAI when: the charity becomes entltled to the resources. it is morè likely than not that the trustees will recelve the resources. and the monetaryv81ue can be measured with suffici9nt rellabillty, Oftsettlng There has been no offsetting of assets and liabilitl8s, or income and expenses, unle88 requlred or permitted bythe FRS 102 SORP or FRS 102. 17

HEREDITIARY BRAIN ANEURYSM SUPPORT IHBA SUPPORTI CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Grants and donations Grants and donotlons are only included in the SoFAwhen the general income re¢ognition criteria are met15.10 to 5.12 FRS102 SORPI. Tax reclalms on donatlons and gifts Gift Aid receivable Is included in income when there is a valid declaration from the donor. Any Gift Aid amount recovered on a donatlon Is considered to be part of th8t gift and is treated as an addition to the same fund as th8 initial donation unless the donor or the terms of the appeal have speclfled otherwise. Donated services and facllltles Donated Services and facllitles are included In the SOFA when rec6ived et the value of the gift to the charity provid8d the value of the gift can be me88ured reliably. Don8ted services and facilities that are consumed Immedlately are recognlséd gs Income wlth an equlvalent amount Tgcognised as 8n expense under the appropriate ha8ding in the SOFA. Supportco8ts The charlty has Incurred &xpendlture on support costs. Volunteer h81p The value of anyvoluntary h61p recelved Is not irbcluded In the 8c¢ounts but Is descrlbed In the trust88S' annual report. Income from Inter88t, royalt188 and dlvldends Th1$ Is Included In the accounts wh8n recelpt Is probable and the amount receivable Can be measured rellably. 2.2 EXPENDITUREAND LIABILITIES Llablllty recognltlon Llabilitie8 are recognlsed where It18 more Ilkely than not that there Is 8 legal or constructive obligation committing the charity to pay out resources and the amount of the oblig8tion can be m888ured wlth roasonable certalnty. Governanc8 and support CO8t3 Support costs have been allocated between governance Costs and other support. Governance costs cornpiise 811 costs Involvlng public accountablllty of the charity and Its comp118nce with regulation and good practice. Redundamcy co81 The charlty made no redundancypayments duringthe reportlngperiod. Deferred Income No materlal item of deferred income has been Included in the accounts. Credito The Charity has creditors which are measured 8t settlement amounts less any trade dlscounts 18

HEREDITIARYBRAIN ANEURYSM SUPPORTIHBASUPPORT) CIO ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 CHARtTYNUMBER1210213 Provisions for Ilabllities A liability is measured on recognition at Its h18torical cost and then subsequently measured at the best estlmate of the amount requlred to settle the obligation at the reporting date Baslc tlnan¢ial instrtsments The charity accounts for basic flnanclal instruments on initial recognition 8s per paragraph 11.7 FRS102SORP. Subsequent m68surement is as per p8ragraph$ 11.17to 11.19. FRS102 SORP. 2.3 ASSErs Debiors Debtors Ilncluding trade debtors and loans r6ceivablel are measured on initial recognitlon at settlement amount after anytr8de discounts or amount advÉnced bythe charlty. Subsequently, they are measured at the cash or other conslderation expected to be recelved. 19

HEREDITIARY BRAIN ANEURYSM SUPPORTIHBASUPPORT) CIO ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 CHARITY NUMBER 1210213 Note 3 Analysis of income Unre6tr1ciod IncoThx End0¥h￿rt fund8 funds Total lund& Pr1Dr￿ar Anal 515 Donatlon5 And gaet•$: Donations and Glfl Le acies Grants Membgrshlp subscrlptiona and spon8or8hp8 whlch are In substance dONat￿n3 Donalad ood8, facililies 8nd 8ervlc88 Other 93.177 8.019 93.177 44 99.240 Totsl 99.240 Charllablo acllvltlos: Grants Other 40,487 40,487 Total 40,487 40,487 Othor tradlng a¢tlvltle¥: Other Total InGorng from Investmant8: Intèrest IncL*me Dlvldend Income Rental and18asln Other Incom6 Total 8¥parJlo maittrl41 St•m of Incomo: Total Othor: ConverslDn ol endowment funds into in¢omg Goln on dlspo8al of a tsngib18 fix6d asset held for charlt s own use Galn on dlsposal ol a programm& related inv88lm8nt RoyaltlE5 from the explollatlon of Intsll8Ctual ert rl hls other Total TOTAL INCOME 99.240 40,487 139,727 20

HEREDITIARY BRAIN ANEURYSM SUPPORTIHBASUPPORTI CIO CHARITY NUMBER 1210213 ACCOUNTS FOR THE PERIOD ENDING 31 DECEMBER 2025 Note 4 Analysis of expendlture Th18 yoar Loty•ar UNI￿r¢I4 R•*tht•d lunth Uthgtrlctsd Inco rund Ill￿1 tnOOv+lMnl An4ly¥l¥ ondllurg on val$ln fund8: Incurred $88kSNJ donations Flatfomcosis 1,B17 1,817 Toial &X￿n￿lt￿r• on rnlilng fwnd• 2,177 Expondlluro ot) charftlble acllvltl••'. Consultancy S Créativè￿￿en¢Y F88$ Markebng expenses Proled Ey6n8è8 Tr•¥g1 gW8nse8 Tot419XPgndllur¢ on charftsbt• 76,203 9,616 15,903 91,ioe 9,S15 24,B84 24,664 2.ue4 2,8e4 87,582 12&,(￿9 rate matsrlal Ibm of •¥ n8e Totsl Prolos&bnql la89 Qln¢o co818 Total oth•roxp•nd1￿r• TOTAL ExpeNDITU 3,880 2,de8 6.318 Note S Det8118 of cartaln Item8 of expenditure 5.1 Fees for examlnatlon of thg accounts Th1$ yoar Last y•8r Indopgndgnt gxamln•r'8 le•8 240 Note 6 Cr8dltor8 and accruals l Analy81$ of ¢r¢dltors Amoun¢s falllng due wlthln on6 year This year Last year Amounts falllng due after more than one year Thls year Last yoar Accrualj for uran1¥ payablg Bank loans and overdrafts Trad? credltors 3.734 Paym•nts reeolv8d on accountfor contra¢ts or perfomiance-related grants Accruals and doforred Incomo 1,250 Taxatlon and Soclal securlty Olher ¢r¢ditors Totsl 4,984 21

HEREDITIARY BRAIN ANEURYSM SUPPORTIHBA SUPPORTI CIO ACCOUNTS FOR THE PERIOD ENDING 31 OECEMBER 2025 CHARITY NUMBER 1210213 Note 7 Cash at bankand in hand This year LJ¥t year Short terni cash Investmonts {lèss than 3 month8 maturlty datel Short term depo$lt$ Cash at bank and on hand Othor Totsl 8,147 8,147 Note 8 Trans8Ctlon8 With trustees and related parties 8.1 Trustge remuner8tion and benefltS Thls year None of the trusteés hava been palcl ony remuner8tlon or recelved any other benefits f rom an employment with their charity or a related 8ntlty. 8.2 Trustees, expenses Typ• of•xp•nMs Mlmbwsed Th1$ y••r Laff5t y•ar Accommodadon Olh•r Iplaa8• sp•elfyl.' PMt•go 20 TOTAL 1.043 ITh• n￿b•r01 Iru•to•1 r•lmbur$•d lor •xp•nB•• orwbio had jPOld by ¢h• ¢h4rlty 8.3 Transoctlonlsl wlth related parti68 ThBr8 have ba6n no related patytransactions In tho reportlng porlod. 22