Please find attached herewith communication sent to the Shareholders pertaining to Notice of 6th Annual General Meeting along with Annual Report for FY 25-26

VDNV RC14001 ResponsibleCare OU*COMMITMINTTOIMTAINAMITV (Formerly knownasNPLChemicalsLimited) CIN:L24290MH2020PLC342890 REGISTEREDOFFICE:NEVILLEHOUSE,J.N.HEREDIAMARG,BALLARDESTATE,MUMBAI-400001. September 03, 2026 Corporate Relationship Department BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001 Scrip Code – 544205 Sub: Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”). Dear Sir / Madam, Pursuant to Regulation 36(1)(b) of the Listing Regulations, a letter is being sent to those Members who have not registered their email addresses with the Company/RTA/Depository Participant(s), providing a web-link of the Annual Report for Financial Year 2025-26. A copy of the said letter is enclosed herewith. The aforesaid information is also available on the website of the Company, i.e., https://naperol.com/service/investors-updates/ Request you to take above information on records. Thanking you, Yours faithfully, For National Peroxide Limited (Formerly known as NPL Chemicals Limited) Akshay Satasiya Company Secretary & Compliance Officer Encl.: as stated FACTORY:NRCROAD,P.O.MOHONE,VILLAGEVADAVALI, KALYAN-421102,MAHARASHTRASTATE,INDIA. Tel.:0251-2278000 Email:npl@naperol.com Website:www.naperol.com National Peroxide Limited (FormerlyknownasNPtChemicalsLimited) CIN L24290MM2020PLC342890 REGISTEREDOFFICE;NEVILLEMOUSE,J N HEREDIAMARCS,BALLAMDESTATE,MUMBAI. 400001 September 03, 2026 Subject: Weblink for Notice of 6th Annual General Meeting of National Peroxide Limited (Formerly known as NPL Chemicals Limited) scheduled to be held on Tuesday, September 29, 2026, at 11:00 a.m. (IST) through Video Conference ("VC") /Other Audio Visual Means("OAVM") and Annual Report for FY 2025-26 Dear Shareholder, We are pleased to inform you that the 6thAnnual General Meeting ('AGM') of the Members of National Peroxide Limited (Formerly known as NPL Chemicals Limited) (‘the Company’) is scheduled to be held on Tuesday, September 29, 2026, at 11:00 a.m. (IST) through Video Conferencing ('VC') facility / Other Audio Visual Means ('OAVM') to transact the business as set out in the Notice dated August 12, 2026, convening the 6th AGM (the “Notice"). The venue of this AGM shall be deemed to be the Registered Office of the Company. In compliance with the relevant provisions of the Companies Act, 2013 ('the Act') and SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ('Listing Regulations'), the AGM of the Company is being held through VC / OAVM only. As per Regulation 36(1)(b) of the Listing Regulations, 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, 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 FY 2025-26 are available at: Particulars Links Company’s Website www.naperol.com Exact path of Annual Report including AGM Notice https://naperol.com/service/annual-report/ National Securities Depositories Limited www.evoting.nsdl.com BSE Limited www.bseindia.com In case you wish to register the email address, please approach your respective DP,if you hold shares in electronic form and if you hold shares in physical form, kindly write to RTA at the address mentioned below: MUFG Intime India Private Limited (Unit: The National Peroxide Limited) C-101, Embassy 247, L.B.S. Marg,Vikhroli (West), Mumbai - 400 083 Tel.:+91 810 811 8484 This letter is being sent to those members who have not registered their email address(es) either with the Company or with any Depository or RTA of the Company as on the cut-off date as on August 28, 2026. This is also a reminder to update KYC details pursuant to Master Circular No. HO/38/13/(4)2026-MIRSD- POD/I/4298/2026 dated February 06, 2026, 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 athttps://naperol.com/ and on the website of the Company’s Registrar and Share Transfer Agent at https://web.in.mpms.mufg.com/KYC-downloads.html All shareholder queries or service requests are to be raised only through our website, the link for which is https://web.in.mpms.mufg.com/helpdesk/Service_Request.html or +91 810 811 8484. Moreover, you are also requested to update your e mail 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, For National Peroxide Limited (Formerly known as NPL Chemicals Limited) Sd/- Akshay Satasiya Company Secretary ACS-47389 FACTORY:NRCROAD.PO.M0H0NE. VILLAGEVADAVALI. KALYAN(cid:127) 421102.MAHARASHTRASTATE. INDIA. Tel,:0251-2278000 Email;npl@naperolcom Website:wwwnaperol.com