Please find details of Book Closure of dates for Annual General meeting.

August 12, 2026 Corporate Relationship Department BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001 Scrip Code – 544205 Sub: Outcome of Board Meeting of the Company Ref: Regulation 30 & 33 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) Dear Sir / Madam, This is to inform you that the Board of Directors of National Peroxide Limited (formerly known as NPL Chemicals Limited) (“the Company”) at their meeting held today i.e., on Wednesday August 12, 2026, have inter-alia, considered and approved the following: 1. Statement of Revised Audited Financial Results & Revised Audit Report for the quarter and financial year ended March 31, 2026: Pursuant to the discovery of certain incorrect accounting configuration relating to processing of invoices of natural gas in the ERP system and the resultant understatement of raw material cost and consequent overstatement of profit for the quarter ended December 31, 2025 and for the year ended March 31, 2026 the Board of Directors have retrospectively restated the financial results for the quarter ended December 31, 2025 as well as the quarter and year ended March 31, 2026 in accordance with the principles of Indian Accounting Standard (Ind AS) 8 - Accounting Policies, Changes in Accounting Estimates and Errors. Pursuant to Regulation 33(3)(d) of the Listing Regulations, we hereby confirm that M/s. Kalyaniwalla & Mistry LLP, Chartered Accountants, Statutory Auditors of the Company, have issued a Revised Audit Report with an Unmodified Opinion with Emphasis of Matter on the Revised Audited Financial Results for the quarter and year ended March 31, 2026. The Revised Audited Financial Results along with the Revised Audit Report are enclosed herewith as “Annexure I”. Further, in accordance with Regulation 47(1) of the Listing Regulations, the Company would be publishing Extract of Revised Audited Financial Results for quarter and year ended March 31, 2026. It is also being published on the website of the Company www.naperol.com. 2. Unaudited Financial Results for the quarter ended June 30,2026: The said Unaudited Financial Results and the Limited Review Reports issued by M/s. Kalyaniwalla & Mistry LLP, Chartered Accountants, Statutory Auditors, are enclosed “Annexure II”. Further, in accordance with Regulation 47(1) of the Listing Regulations, the Company would be publishing Extract of Unaudited Financial Results for the quarter ended June 30, 2026. It is also being published on the website of the Company www.naperol.com. 3. Recommendation of the Dividend: The Board of Directors, at its meeting held on April 30, 2026, had recommended a final dividend of 70%, being ₹7/- (Rupees Seven Only) per equity share of ₹10/- each, for the financial year ended March 31, 2026. The recommendation remains unchanged and is subject to the approval of the Members at the ensuing Annual General Meeting. The dividend, if declared, will be paid, subject to deduction/withholding of applicable taxes, within the timelines prescribed under applicable law. 4. Annual General Meeting: The Board decided that 6th Annual General Meeting of the members of the Company would be held on Tuesday, September 29, 2026, through video conference/other audio-visual means.; 5. Book Closure: The Register of Members and Share Transfer Books of the Company will be closed for the purpose of Annual General Meeting (AGM) and determining the entitlement of the Members for the Final Dividend of the Company Wednesday, September 23, 2026 to Tuesday, September 29, 2026 (both days inclusive). Therefore, the Record Date for the AGM and Final Dividend is Tuesday, September 22, 2026. 6. Reappointment of Statutory Auditors: Based on the recommendation of the Audit Committee, the Board has approved the re-appointment of M/s. Kalyaniwalla & Mistry LLP, Chartered Accountants, (Firm’s Registration No. 104607W/W100166) as Statutory Auditors of the Company, subject to the approval of the Members at the forthcoming AGM, for a second term of 5 (five) consecutive years i.e., from the conclusion of 6th Annual General Meeting till the conclusion of 11th Annual General Meeting to conduct audit of accounts of the Company till the financial year ended March 31, 2031. The details as required under Regulation 30 of the Listing Regulations read with SEBI Master Circular dated 30 January 2026, regarding re-appointment of Statutory Auditors of the Company is enclosed as “Annexure III”. The Board Meeting commenced at 10.00 a.m. (IST) and concluded at 12.55 p.m. (IST). 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 above Annexure I K A L Y A N I W A L L A & M I S T R Y L L P C H A R T E R E D A C C O U N T A N T S Revised Independent Auditor’s Report on Revised Financial Results of the Company pursuant to Regulation 33 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended To the Board of Directors of National Peroxide Limited (formerly known as NPL Chemicals Limited) Report on the Audit of the Revised Financial Results This report supersedes our Report dated April 30, 2026 Opinion We have audited the accompanying Revised Statement of Financial Results of National Peroxide Limited (formerly known as NPL Chemicals Limited) (“theCompany”)fortheyearendedMarch31,2026,together with the notes thereon,(the ‘Revised Statement’ / the‘Revised Financial Results’) attached herewith, being submitted by the Company pursuant to the requirement of Regulation 33 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended (the ‘LODR Regulations’). In our opinion and to the best of our information and according to the explanations given to us, the Revised Statement: i. is presented in accordance with the requirements of Regulation 33 of the LODR Regulations; and ii. give a true and fair view in conformity with the recognition and measurement principles laid down in the applicableaccountingstandards, prescribed underSection 133 ofthe Companies Act,2013(‘the Act’) and other accounting principles generally accepted in India, of the net profit and other comprehensive income and other financial information for the quarter and year ended March 31, 2026. Basis for Opinion We conducted our audit in accordance with the Standards on Auditing (SAs) specified under Section 143(10) of the Companies Act, 2013 (“the Act”).Our responsibilities under those Standards arefurther described in the Auditor’s Responsibilities for the Audit of the Revised Financial Results section of our report. We are independent of the Company in accordance with the Code of Ethics issued by the Institute of Chartered Accountants of India together with the ethical requirements that are relevant to our audit of the Revised Financial Results under the provisions of the Act and the Rules thereunder, and we have fulfilled our other ethical responsibilities in accordance with these requirements and the Code of Ethics. We believe that the audit evidence we have obtained is sufficient and appropriate to provide a basis for our opinion. Emphasis of Matter We draw attention to Note 1 to the Revised Financial Results in respect of restatement of certain figures of the current year as at and for the year ended March 31, 2026 due to correction of the error as mentioned in the said note in respect of incorrect configuration relating to processing of invoices of natural gas in the ERP system. Our revised audit report is with reference to these revised financial results. Our opinion is not modified in respect of the above matter. LLP IN : AAH 3437 REGISTERED OFFICE : ESPLANADE HOUSE, 29, HAZARIMAL SOMANI MARC, FORT, MUMBAI 400 001 TEL.: (91) (22) 6158 6200, 6158 7200 FAX: (91) (22) 6158 6275 [Showing first 8,000 characters — download PDF for full document]