This is to inform that the Company has received disclosure from Mr. Rajeev Goenka under Regulation 29(2) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulation , 2011

RAJEEV GOENKA SATYAM TOWERS, 3 ALIPORE ROAD, KOLKATA- 700027, WEST BENGAL Email: rajeev@goldengoenka.com Date: 18.06.2026 To, To, Department of Corporate Services The Compliance Officer BSE Limited GAMCO LIMITED P J Towers, Dalal Street, 25A, S.P. Mukherjee Road, 3rd floor, Fort, Mumbai – 400001 Bhawanipore, Kolkata – 700025 Email: corp.relations@bseindia.com Email: tradevisco@gmail.com Sub: Disclosure under Regulation 29(2) of the Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 ("SEBI SAST Regulations”). Dear Sir/Madam, I, Rajeev Goenka , being promoter of M/s. GAMCO LIMITED (‘Target Company’) have acquired 28734 Equity Shares of the face value of Rs. 2/- each (“Equity Shares”) of the Target Company, through open market transaction from 16.06.2026 to 18.06.2026 resulting to total of 12,184,831Equity Shares of Rs. 2/- each i.e. 22.55% of the issued and paid-up equity share capital of the Target Company. As required under Regulation 29(2) of the SEBI (Substantial Acquisition of Shares and Takeover) Regulations, 2011 we enclose a disclosure with respect to change of my shareholding or voting rights in GAMCO LIMITED. This letter is intended for the information and records of the Target Company and the Stock Exchange. Thanking You, Yours sincerely, (Rajeev Goenka) Acquirer/Promoter RAJEEV GOENKA SATYAM TOWERS, 3 ALIPORE ROAD, KOLKATA- 700027, WEST BENGAL Email: rajeev@goldengoenka.com Disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 Name of the Target Company (TC) GAMCO LIMITED BSE Scrip Code: 540097 Name(s) of the acquirer and Persons Acting Rajeev Goenka in Concert (PAC) with the acquirer Whether the acquirer belongs to Promoter/ Yes, the acquirer is a Promoter. Promoter Group Name(s) of the Stock Exchange(s) where the BSE Limited shares of TC are Listed Details of the acquisition/ disposal as Number % w.r.t. total % w.r.t. total follows share/ voting diluted share/ capital wherever voting capital applicable (*) of the TC (**) Before the acquisition under consideration, holding of: a) Shares carrying voting rights 12,156,097 22.50 22.50 b) Shares in the nature of encumbrance (pledge/ lien/ non-disposal Nil Nil Nil undertaking/ others) c) Voting rights (VR) otherwise than by Nil Nil Nil shares d) Warrants/ convertible securities/ any other instrument that entitles the Nil Nil Nil acquirer to receive shares carrying voting rights in the T C (specify holding in each category) e) Total (a+b+c+d) 12,156,097 22.50 22.50 Details of acquisition/ sale a) Shares carrying voting rights 28734 0.05 0.05 acquired/ sold b) VRs acquired/ sold otherwise than Nil Nil Nil by shares c) Warrants/ convertible securities/ Nil Nil Nil any other instrument that entitles the acquirer to receive shares carrying voting rights in the TC (specify Nil Nil Nil holding in each category) acquired/ sold d) Shares encumbered/ invoked/ released by the acquirer e) Total (a+b+c+d+e) 28734 0.05 0.05 RAJEEV GOENKA SATYAM TOWERS, 3 ALIPORE ROAD, KOLKATA- 700027, WEST BENGAL Email: rajeev@goldengoenka.com After the acquisition/ sale, holding of: a) Shares carrying voting rights 22.55 22.55 12,184,831 b) Shares encumbered with the acquirer Nil Nil c) VRs otherwise than by shares d) Warrants/ convertible securities/ Nil Nil any other instrument that entitles the acquirer to receive shares carrying voting rights in the TC (specify Nil Nil holding in each category) after acquisition e) Total (a+b+c+d) 22.55 22.55 12,184,831 Mode of acquisition/ sale (e.g. open market/ Open Market off – market/ public issue/ rights issue/ preferential allotment/ inter – se transfer etc.) Date of acquisition/ sale of shares/ VR or 16-06-2026 to 18-06-2026 date of receipt of intimation of allotment of shares, whichever is applicable Equity share capital/ total voting capital of Rs. 10,80,63,000.00/- consisting of 5,40,31,500 the TC before the said acquisition/ sale Equity shares of Rs. 2/- each Equity share capital/ total voting capital of Rs. 10,80,63,000.00/- consisting of 5,40,31,500 the TC after the said acquisition/ sale Equity shares of Rs. 2/- each Total diluted share/ voting capital of the TC Rs. 10,80,63,000.00/- consisting of 5,40,31,500 after the said acquisition Equity shares of Rs. 2/- each (*) Total share capital/ voting capital to be taken as per the latest filing done by the company to the Stock Exchange under Regulation 31 of Listing Regulations. (**) Diluted share/ voting capital means the total number of shares in the TC assuming full conversion of the outstanding convertible securities/ warrants into equity shares of the TC. (Rajeev Goenka) Acquirer/Promoter Place: Kolkata Date: 18.06.2026