Please find attached the disclosure under Reg 30 and Reg 36(1)(b) of SEBI (LODR) Reg, 2015

Date: 04-09-2026 To To The General Manager The Manager Department of Corporate Services Listing Department BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Tower Exchange Plaza, Bandra Kurla Complex Dalal Street, Mumbai - 400 001 Mumbai - 400 051 Scrip Code at BSE: 533259 Symbol at NSE: HEALTHX Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Dispatch of letter to shareholders whose e-mail addresses are not registered with the Company or RTA or Depository Participants Dear Sir/ Madam, Pursuant to Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, a web-link, including the exact path, where complete details of the Annual Report is available must be sent to the member(s) who have not registered their e-mail address(es) either with the Company or with any Depository or Registrar and Share Transfer Agent (RTA) of the Company. In this regard, please find enclosed herewith letter containing the web-link, including the exact path for accessing the Notice of 37th Annual General Meeting and Annual Report for the Financial Year 2025-26 of the Company, which has been sent to member(s) who have not registered their e-mail address(es) either with the Company or with any Depository or its Registrar and Share Transfer Agent (RTA), MUFG Intime India Private Limited (formerly Link Intime India Private Limited). The above information is also available on the website of the Company. Further, pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 this letter is also an intimation to the holders of physical securities to furnish their KYC and Nomination details to the Registrar and Share Transfer Agent (‘RTA’) of the Company. The letter in this regard is enclosed herewith. We request you to please take the same on record. Thanking you, Yours faithfully, For Health X Platform Limited (formerly known as Sastasundar Ventures Limited) Pratap Singh Company Secretary & Compliance Officer M. No.: A24081 Encl: As above HEALTH X PLATFORM LIMITED (formerly known as Sastasundar Ventures Limited) CIN: L65993WB1989PLC047002 Registered Office: Azimganj House, 2nd Floor, 7 Abanindra Nath Thakur Sarani (Formerly Camac Street), Kolkata -700017 • Ph: (033) 2282 9330 Email: investors@sastasundar.com • Website: www.healthxplatform.com Date : 04-09-2026 Sub.: Notice of 37th Annual General Meeting (AGM) of Health X Platform Limited (formerly Sastasundar Ventures Limited) and Annual Report for the Financial Year 2025-26. Dear Shareholder(s), We are pleased to inform you that the 37th Annual General Meeting ('AGM') of the Members of Health X Platform Limited (formerly Sastasundar Ventures Limited) (‘the Company’) is scheduled to be held on Monday, 28th September, 2026 at 3.00 P.M. (IST) through Video Conferencing ('VC') facility / Other Audio Visual Means ('OAVM'). As per Regulation 36 (1) (b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, (‘SEBI Listing Regulations, 2015’), as amended, the web-link, including the exact path, where complete details of the Annual Report are available is required to be sent to those member(s) who have not registered their email address(es) either with the Company or with any Depository or MUFG Intime India Private Limited (Formerly Link Intime India Private Limited), Registrar & Share Transfer Agent (RTA) of the Company. Accordingly, the web-link, including the exact path where complete details of the Annual Report for the Financial Year 2025-26 are available at: Weblink: https://www.healthxplatform.com/Investor_Annualreport?id=2 Exact path of Notice of AGM and Annual Report 2025-26: www.healthxplatform.com > Investor Relation > Results and Reports > Annual Reports > HXPL Annual Report 2025-26 This letter is being sent to those member(s) who have not registered their email address(es) either with the Company or with any Depository or RTA of the Company. This is also a reminder to update KYC details pursuant to SEBI Master Circular No. SEBI/HO/MIRSD/POD- 1/P/CIR/2024/37 dated May 7, 2024, and to dematerialise physical securities. The circular issued by SEBI mandates all the listed companies to record PAN, Address with PIN code, Mobile Number, Bank Account details, Specimen Signature and choice of Nomination of security holders holding securities in physical mode. While updating Email ID is optional, the security holders are requested to register email id also to avail online services. This is applicable for all security holders holding securities in physical mode. The formats for choice of Nomination and Updation of KYC details viz; Forms ISR-1, ISR-2, ISR-3, SH-13, SH-14 and SEBI circulars are available on our website as mentioned below: https://www.in.mpms.mufg.com > Resources > Downloads > KYC > Formats for KYC. The aforesaid SEBI Circular also mandates that security holders holding in physical mode whose folios do not have PAN, Choice of Nomination, Contact details, Bank Account details and Specimen Signature updated, shall be eligible for any payment including dividend, interest or redemption payment in respect of such folios, only through electronic mode with e(cid:260)ect from April 1, 2024. All Shareholder queries or service requests in electronic mode are to be raised only through our website, the link for which is https://web.in.mpms.mufg.com/helpdesk/Service_Request.html or +918108116767. Moreover, you are also requested to update your email address at the earliest either through your depository participants for electronic holding or send a communication to us / our RTA to facilitate the updation to continue receiving all important information & documents thereafter and encourage Green Initiative. Thanking you, Yours faithfully, For Health X Platform Limited (formerly known as Sastasundar Ventures Limited) Sd/- Pratap Singh Company Secretary