Resignation

Ref: Secy/NSE 10th August 2026 The Manager Listing Department National Stock Exchange of India Limited Exchange Plaza, C-1, Block-G Bandra-Kurla Complex, Bandra (E) Mumbai – 400 051 Symbol: SPIC Dear Sir, Sub: Disclosure pursuant to Reg. 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Change in Director. Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”), we write to inform that Tmt. Sweta Suman, IAS (DIN: 11292451), Non- Executive Nominee Director nominated by Tamilnadu Industrial Development Corporation Limited (TIDCO) has ceased to be a Director effective today (i.e. 10th August 2026 being the date of receipt of TIDCO letter), consequent to withdrawal of nomination by TIDCO. The change is on account of withdrawal of nomination by TIDCO and there are no other material reasons for her resignation from the Company. A copy of the resignation letter received from Tmt. Sweta Suman, IAS is enclosed. Further, the details as required under SEBI Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated November 11, 2024, are provided in Annexure A. Request you kindly to take on record the abovesaid information. Thanking you, Yours faithfully, For Southern Petrochemical Industries Corporation Ltd. R Swaminathan Company Secretary Southern Petrochemical Industries Corporation Limited (CIN: L1 1101TN1969PLC005778) REGISTERED & CORPORATE OFFICE : "SPIC HOUSE", No. 88, Mount Road, Guindy, Chennai -600 032 India. Phone : +91 (44) 2235 0245 I E: spiccorp@spic.co.in I Web : www.spic.in Annexure A Details pursuant to SEBI Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated November 11, 2024: Sl. No. Particulars Details Withdrawal of the nomination of Reason for change viz. Tmt. Sweta Suman, IAS 1 appointment, resignation, removal, (DIN: 11292451) by Tamilnadu lndustrial death or otherwise Development Corporation Limited (TIDCO) 10th August 2026 (being the date of 2 Date of Cessation receipt of TIDCO Letter) 3 Brief Profile Not Applicable Disclosure of relationship between 4 Not Applicable directors Southern Petrochemical Industries Corporation Limited (CIN: L1 1101TN1969PLC005778) REGISTERED & CORPORATE OFFICE : "SPIC HOUSE", No. 88, Mount Road, Guindy, Chennai -600 032 India. Phone : +91 (44) 2235 0245 I E: spiccorp@spic.co.in I Web : www.spic.in TIDCO Lr. No. 77(2)/Sect/2026 7th August, 2026 ----- --- The Company Secretary SECRETARY - Southern Petrochemical industries Corporation Limited :3t'Jf1 LTD., ':;hr~n_fl':)_J-:1::: SPIC House 88, Mount Road Guindy , I, [l ./ -i.lJ[~ Chennai 600 032 Sir, Sub: Nomination of Director representing TIDCO We hereby nominate Thiru Sanket Balvantrao Waghe, IAS, Executive Director, TIDCO as Director representing TIDCO on the Board of Southern Petrochemical industries Corporation Limited in the place of Tmt. Swetha Suman, IAS. The following documents of Thiru Sanket Balvantrao Waghe are enclosed. (i) Form No. DIR 2 (ii) Form No. DIR 8 (iii) Form No. MBP1 (iv) Information as required under Section 184 / 188 of the Companies Act, 2013 (v) Profile The letter of resignation of Tmt. Sweta Suman, IAS is also enclosed. We request you to kindly give effect to the above nomination early. Thanking you, Yours faithfully, for TAMILNADU INDUSTRIAL DEVELOPMENT CORPORATION LIMITED J.i "'rmN u ·h (N BHUVANESH) COMPANY SECRETARY Enc : a.a Tamilnadu Industrial Development Corporation Limited 19-A, Rukmini Lakshmipathy Road, Egmore, Chennai 600 008. Tamil Nadu. Ph: 044 -2855 4479 / 80 Email: lan.tidco@nic.in I www.tidco.com GSTIN: 33AAACT3409P1Z8 I CIN -U65993TN1965SGC005327 SWETA SUMAN, IAS TAMILNADU INDUSTRIAL DEVELOPMENT EXECUTIVE DIRECTOR CORPORATION LIMITED 19-A, RUKMINI LAKSHMIPATHY ROAD, EGMORE, CHENNAI- 600008. SEC:aETARY Southern Petrochemical Industries Corporation Limited SPIC L'l'n., Shcnn<1i-32. SPIC House No.88, Mount Road, Guindy 1 0 Alfi 2026 Chennai -600 032 Dear Sirs, I hereby tender my resignation as Director of Southern Petrochemical Industries Corporation Limited I take this opportunity to thank all the Directors of the Board of Southern Petrochemical Industries Corporation Limited for the courtesy and co-operation extended to me during my tenure as Director In this company. Yours faithfully, (SWETA SUMAN) DIN: 11292451