This notice informs shareholders of Tamilnadu Petroproducts Limited about a special window for transferring and dematerializing physical securities.The window is open from February 5, 2026, to February 4, 2027, for securities acquired prior to April 1, 2019.Requests must be re-lodged with Cameo Corporate Services Limited in Chennai.Credited shares will be subject to a one-year lock-in period from the date of transfer registration