Please find attached herewith details regarding Resignation of Director of the Company.

VDNV RC14001 ResponsibleCare" 00«COMMITMINTTOMSIMMMITV (Formerly knownasNPLChemicalsLimited) CIN:L24290MH2020PLC342890 REGISTEREDOFFICE:NEVILLEHOUSE,J.N.HEREDIAMARG,BALLARDESTATE,MUMBAI-400001. October 01, 2026 Corporate Relationship Department BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001 Scrip Code – 544205 Sub.: Change in Directors & Key Managerial Personnel Ref.: Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) Dear Sir/Madam, We wish 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 October 01, 2026, have inter-alia, considered the following items: 1. Noting of the resignation of Mr. Rajiv Arora (DIN: 08730235) from the position of Whole-Time Director & Chief Executive Officer (CEO): The Board took note of the resignation of Mr. Rajiv Arora (DIN: 08730235), CEO & Director of the Company vide his letter dated October 01, 2026. Mr. Arora will continue as CEO & Director of the Company till November 02, 2026, to facilitate an orderly transition and handover of his responsibilities. The copy of the Resignation letter is enclosed herewith as ‘Annexure I’. 2. Appointment of Mr. Vinay Divakar Jayade (DIN: 07672462) as Chief Executive Officer and Whole-Time Director: The Board of Directors, based on the recommendation of the Nomination and Remuneration Committee, has considered and approved the appointment of Mr. Vinay Divakar Jayade (DIN: 07672462) as the Chief Executive Officer and Whole-Time Director (Key Managerial Personnel) of the Company with effect from November 3, 2026, for a term of 5 years, subject to the approval of the Shareholders of the Company. Mr. Jayade will be associated with the Company as Chief Executive Officer and Whole- Time Director (Designate) with effect from October 1, 2026. During the transition period, Mr. Jayade will work closely with Mr. Rajiv Arora, existing Chief Executive Officer and Whole-Time Director, to facilitate a smooth and orderly transition, including the takeover of responsibilities, ongoing matters and other relevant affairs of the Company. He will be taking the charge as Chief Executive Officer and Whole-Time Director with effect from November 3, 2026, following the cessation of Mr. Rajiv Arora from the said offices with effect from the close of business hours on November 02, 2026. NATIONALPEROXIDELIMITED Further, please note that in terms of the respective circular(s) dated June 20, 2018, issued by BSE Limited, bearing Ref. No. LIST/COMP/14/2018-19, it is hereby confirmed that Mr. Vinay Divakar Jayade is not debarred from holding the office of Director by virtue of any order passed by the Securities and Exchange Board of India (“SEBI”) or any other statutory authority/ court. The details as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular dated January 30, 2026, is enclosed as ‘Annexure II’. The Board Meeting commenced at 04.00 p.m. (IST) and concluded at 04.20 p.m. (IST). The above information will be available on the website of the Company i.e. www.naperol.com Request you to take above information on records. Yours Faithfully, For National Peroxide Limited (Formerly known as NPL Chemicals Limited) Akshay Satasiya Company Secretary & Compliance Officer Encl.: as stated Annexure - I TheChairmanandBoardofDirectors, 01/10/2026 NationalPeroxideLimited Mumbai RespectedBoardof Directors, Sub:ResignationfromPositionof ChiefExecutiveOfficer(CEO)andDirector. Thisistobringtoyournoticethatduetofamilyandpersonalreasons,Iamresigning fromthepositionof CEOandDirector. Iamrequiredtoserveanoticeperiodof6monthsasperthetermsofmyappointment letterandamwillingtoservethesame. However,Irequestforanearlyrelievingon2ndNov2026,duetomypersonalreasons, subjecttowavingoff,theabovenoticeperiodbythecompany. IwouldliketothanktheChairmanandtheentireboardof Directorsfortheirvaluable guidanceandprovidingmetheopportunitytoworkatNationalPeroxideLimited BestRegards, RajivArora NATIONALPEROXIDELIMITED Annexure II Details under Regulation 30 of the SEBI Listing Regulations read along with SEBI Master Circular dated January 30, 2026: Name of Mr. Rajiv Arora Mr. Vinay Divakar Jayade Director (DIN: 08730235) (DIN: 07672462) Reason for Resignation from the The Board of Directors, based on the change viz. position of Whole-Time recommendation of the Nomination and appointment, Director and Chief Remuneration Committee, has considered and resignation, Executive Officer of the approved the appointment of Mr. Vinay Divakar removal, death Company due to family Jayade (DIN: 07672462) as the Chief Executive or otherwise; and personal reasons, Officer and Whole-Time Director (Key Managerial Date of effective from the close Personnel) of the Company with effect from appointment/c of business hours on November 3, 2026, for a term of 5 years, subject to essation & term November 02, 2026. the approval of the Shareholders of the Company. appointment; Mr. Jayade will be associated with the Company as Chief Executive Officer and Whole-Time Director (Designate) with effect from October 1, 2026, and he will be taking the charge as Chief Executive Officer and Whole-Time Director with effect from November 3, 2026. Brief profile (in Not applicable Mr. Vinay Divakar Jayade is a Chemical Engineering case of graduate (Polymer Technology) from MIT, Pune, appointment) and holds a Master's Degree in Marketing Management from K. J. Somaiya Institute of Management, Mumbai. He is a seasoned business leader with over 34 years of experience across the specialty chemicals, polymers, elastomers, coatings and industrial materials sectors. Over the course of his career, he has held several senior leadership positions with responsibility for business strategy, profit and loss management, manufacturing operations, business transformation, market development and acquisitions. Prior to joining the Company, Mr. Jayade served as JV President of Cabot Sanmar Limited, where he was responsible for driving business growth, operational excellence, capacity expansion and strategic initiatives in collaboration with the joint venture partner. Earlier, he served as CEO & Managing Director of ASK Chemicals India, where he led the Company's growth and business expansion initiatives. During his tenure, he successfully led strategic acquisitions, commissioned new manufacturing facilities and strengthened operational and commercial processes. NATIONALPEROXIDELIMITED Mr. Jayade has also held leadership and management positions with Reliance Industries, Lanxess India, Dow Chemical/Rohm & Haas, Ciba Specialty Chemicals, Akzo Nobel Polymer Chemicals, DCM Shriram and Caprihans India. His extensive experience spans sales and marketing, business development, manufacturing, technical services, strategic planning and organizational leadership. Disclosure of Not applicable None of the Directors and Key Managerial relationships Personnel of the Company are related to each other. between directors (in case of appointment of a director)