General Updates

September 1, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra-Kurla Complex, Mumbai 400 001 Bandra (East), Mumbai 400 051 Scrip Code: 544184 Symbol: BOROSCI Dear Sirs, Sub: Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) In compliance with Regulation 36(1)(b) of the SEBI Listing Regulations, the Company has sent letters, inter alia, containing a web link to access the Annual Report for the financial year 2025-26, including the Notice of the AGM to be held on Friday, September 25, 2026, at 11:00 a.m. (IST), to those Members (as on Friday, August 21, 2026) whose e-mail addresses were not registered with the Registrar to an Issue and Share Transfer Agent of the Company / Depositories. A copy of the said letter is attached herewith. This intimation is also available on the Company’s website at www.borosilscientific.com. You are requested to take the same on record. Yours faithfully, For Borosil Scientific Limited Ramavtar Sharma Company Secretary & Compliance Officer Encl: As above BOROSIL SCIENTIFIC LIMITED CIN:L74999MH1991PLC061851 Registered Office: 1101,11th Floor, Crescenzo, G-Block, Plot No C-38, Opp. MCA Club, Bandra Kurla Complex, Bandra (East), Mumbai – 400 051 Telephone:+91-22-6740 6300, Fax:+91-22 6740 6514 Website:www.borosilscientific.com,Email:bsl.secretarial@borosil.com September 01, 2026 DearShareholder, Sub: Borosil Scientific Limited – Web link of the Annual Report for the financial year 2025-26 We are pleased to inform that the 35th Annual General Meeting (“AGM”) of Borosil Scientific Limited (“Company”) is scheduled on Friday, September 25, 2026 at 11:00 A.M. (IST) through Video Conference (“VC”) / Other Audio-Visual Means (“OAVM ‟ ) to transact the business as set out in the Notice convening the AGM forming part of the Annual Report for the financial year 2025-26. In compliance with the MCA and SEBI Circulars, the Notice of the 35th AGM, along with the Annual Report for the financial year 2025-26, has been sent through electronic mode to those members whose email addresses are registered with the Depository Participant(s) or the Registrar to an Issue and Share Transfer Agent. As your email address is not registered with the Depository Participant(s) or the Registrar to an Issue and Share Transfer Agent, and in accordance with Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find below the web link to access the Annual Report of the Company for FY 2025-26, including the Notice of the AGM: Web-link:https://www.borosilscientific.com/investor/disclosure-under-regulation-46-of-sebi-lodr-regulations-2015/financials/annual-reports/ The said Annual Report (including Notice of AGM) is also available on the website of National Securities Depository Limited ('NSDL') at www.evoting.nsdl.com and the websites of the Stock Exchanges, i.e. BSE Limited and National Stock Exchange of India Limited at www.bseindia.com and www.nseindia.com, respectively. Pursuant to the applicable provisions of MCA and SEBI circulars, this AGM is being held through VC / OAVM, without the physical presence of the members at a common venue. Th e proceedings of the AGM shall be deemed to be conducted at the Registered Office of the Company, which shall be the deemed venue of the AGM. The Company is providing to the members the facility to exercise their right to vote by electronic means, i.e. remote e-voting and e-voting during the AGM (together referred to as “e-voting”) .The facility of casting votes through e-voting and attending AGM through VC / OAVM is being provided by NSDL. The Notice of AGM inter alia contains the process and manner for e-voting and attending the AGM through VC / OAVM. The Notice also contain instructions/ details with regard to the process of obtaining login credentials for members, holding shares in physical form or in electronic form, who have not registered their e-mail address. The remote e-voting timelines and login details for e-voting and attending the AGM are as under: EVEN 141538 Cut-off Date for reckoning entitlement for e-voting and attending the Friday, September 18, 2026 Commencement of remote e-voting Tuesday, September 22, 2026 (09:00 A.M. IST) Conclusion of remote e-voting Thursday, September 24, 2026 (05:00 P.M. IST) User ID and Password Refer detailed procedure and instructions given in the Notice of the AGM. An equity shareholder, whose name is recorded in the Register of Members or in the Register of Beneficial Owners maintained by the Registrar to an Issue and Share Transfer Agent / Depositories as on the Cut-off Date, only shall be entitled to avail the facility of e-voting and attend the AGM. A person who is not a member as on the Cut-off Date, should treat the Notice for information purpose only. Voting rights of a shareholder shall be in proportion to his/her/its shareholding in the paid-up equity share capital of the Company as on the Cut-off Date. In case of any queries regarding attending the AGM and e-voting, you may refer the Frequently Asked Questions (FAQs) for members and e-voting user manual for members available at the download section of www.evoting.nsdl.com or call: 022-48867000 or send a request to Ms.Veena Suvarna at evoting@nsdl.com We encourage you to cast your vote and attend the AGM. Yours faithfully, For Borosil Scientific Limited Sd/- Ramavtar Sharma Company Secretary & Compliance Officer