Please find attached the intimation of Resignation of Mrs. Ramya Hariharan from her office of Independent Director of the Company with immediate effect i.e. 27th July 2026

Date: 27th July 2026 To, To, The Manager, The Manager Listing Department, Listing Department BSE Limited, National Stock Exchange of India Ltd, P.J. Towers, Dalal Street, Exchange Plaza Mumbai- 400001 Bandra Kurla Complex, Bandra (East), Mumbai- 400051 Scrip Code: 543547 Symbol: DDEVPLSTIK Subject: Intimation of Resignation of Independent Director of the Company Ref: Regulation 30 and Schedule III of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular dated 30th January, 2026 Dear Sir/Madam, Pursuant to Regulation 30 read with Point No. 7B of Para A of Part A of Schedule III of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”), we hereby inform you that Mrs. Ramya Hariharan (DIN: 06928511), Independent Director of the Company, has tendered her resignation from the position of Independent Director of the Company, with immediate effect due to professional commitments and preoccupation, vide her resignation letter dated 27th July, 2026, a copy of which is enclosed herewith. Mrs. Ramya Hariharan has confirmed that there are no material reasons for her resignation other than those stated in her resignation letter. Consequent to her resignation and cessation as an Independent Director of the Company, she shall also cease to be a member of the Audit Committee and the Nomination and Remuneration Committee of the Company, with effect from 27th July, 2026. The disclosure required under Regulation 30 of SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30th January 2026 is enclosed as Annexure I. The aforesaid information is also being made available on the website of the company at https://www.ddevgroup.in/corporate-announcements under the section ‘Other Disclosure’ appearing under the ‘Changes’ tab. You are requested to kindly take the above information on record Thanking you, Yours faithfully, For Ddev Plastiks Industries Limited Tanvi Goenka (Membership No: ACS 31176) Company Secretary Regd. Office : 2B, Pretoria Street, Kolkata - 700 071 Tel : +91-33-2282 3744/45/3671/99, E-mail : kolkata@ddevgroup.in, www.ddevgroup.in Mumbai Office : 106, Laxmi Plaza, Laxmi Industrial Estate, New Link Road, Andheri (West), Mumbai - 400 053, India Tel : +91-22-67021470/71/72, E-mail : mumbai@ddevgroup.in CIN : L24290WB2020PLC241791 Annexure I Disclosure of information pursuant to Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30th January, 2026 Sl. No Particulars Details 1. Reason for change viz. appointment, Mrs. Ramya Hariharan (DIN: 06928511) has re-appointment, resignation, removal, submitted her resignation from the post of death or otherwise; Independent Director of the Company due to professional preoccupations. 2. Date of appointment/re-appointment/ With immediate effect i.e. effective from 27th July, cessation (as applicable) & term of 2026 appointment/re-appointment; 3. Brief profile (in case of appointment) Not Applicable 4. Disclosure of relationships between Not Applicable directors (in case of appointment of a director). 5. Name of Listed Entities in which 1. TRF Limited-Member in Stakeholders resigning Director holds Directorship Relationship Committee. indicating the category of Directorship 2. Petro Carbon and Chemical Limited- and membership of Board/Committee, Member in Nomination and if any Remuneration Committee Regd. Office : 2B, Pretoria Street, Kolkata - 700 071 Tel : +91-33-2282 3744/45/3671/99, E-mail : kolkata@ddevgroup.in, www.ddevgroup.in Mumbai Office : 106, Laxmi Plaza, Laxmi Industrial Estate, New Link Road, Andheri (West), Mumbai - 400 053, India Tel : +91-22-67021470/71/72, E-mail : mumbai@ddevgroup.in CIN : L24290WB2020PLC241791 Ramya Hariharan Ideal Exotica, Tower C, 5B, 5th floor, 5B 21 Pramatha Chowdhury Sarani Kolkata 700016 July 27, 2026 The Board of Directors, Ddev Plastiks Industries Limited Kolkata Re: Resignation as an independent director Dear Sirs, I hereby tender my resignation from the position of Independent Director of the Company, with immediate effect, due to professional preoccupations. I confirm that there are no material reasons for my resignation other than those stated above. I would like to express my sincere gratitude to my fellow board members and the management. I wish the Company the best in all its endeavours. I request the Board to kindly take note of my resignation and arrange to file the necessary forms with the Registrar of Companies and intimate the stock exchanges, as applicable. I also request that a copy of my resignation letter along with detailed reasons be disclosed to the stock exchanges, in compliance with applicable regulatory requirements. I also request you to share a copy of the necessary filings made with the stock exchanges and ROC with me for my record. Thank you once again for your support and cooperation. Yours sincerely, Ramya Hariharan DIN: 06928511