Addendum to Public Announcement - Buyback of Equity Shares of the Company

Date: November 10, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, Bandra- Kurla Complex Dalal Street, Mumbai 400 023 Bandra (E), Mumbai 400 051 BSE Code: 532926 Scrip Code: JYOTHYLAB Dear Sir/ Madam, Subject: Submission of Addendum to the Public Announcement for the Buyback of fully paid up Equity Shares of face value of ₹1 each (Indian Rupee One only) (“Equity Shares”) of Jyothy Labs Limited (the “Company”) on a proportionate basis through tender offer route ("Buyback”), pursuant to the Securities and Exchange Board of India (Buy-Back of Securities) Regulations, 2018, as amended (“Buyback Regulations”) This has reference to our letter dated November 9, 2026, wherein we had informed you of an increase in the buyback price from ₹ 215/- (Indian Rupees Two Hundred and Fifteen only) to ₹ 240 /- (Indian Rupees Two Hundred and Forty only) per Equity Share and a consequent reduction in the maximum number of Equity Shares proposed to be bought back by the Company from 68,37,210 (Sixty-Eight Lakhs Thirty- Seven Thousand Two Hundred and Ten) fully paid-up Equity Shares to 61,25,000 (Sixty- One Lakhs Twenty-Five Thousand ) fully paid-up Equity Shares, representing up to 1.67% of the total number of Equity Shares in the paid-up equity share capital of the Company as at March 31, 2026. In this regard, the Company has issued an addendum to the Public Announcement dated November 9, 2026 (“Addendum”), to be read in continuation of and in conjunction with the Public Announcement. The Addendum has been published on November 10, 2026 in the following newspapers: Name of the Language E ditions Newspaper Financial Express English All Jansatta Hindi All Navshakti Marathi* Mumbai *Marathi edition (Marathi also being the regional language where the registered office of the Company is situated) The above information will be available on the website of the Company at https://www.jyothylabs.com/ , the Manager to the Buyback, Ernst & Young Merchant Banking Services LLP at https://www.ey.com/en_in/services/strategy-transactions/merchant-banking-services , and Registrar to the Buyback at https://in.mpms.mufg.com/ and is expected to be made available on the website of SEBI at www.sebi.gov.in and on the websites of the respective stock exchanges where shares of the Company are listed, i.e., at www.nseindia.com and www.bseindia.com during the period of the Buyback. The copy of the Addendum is enclosed as below. Jyothy Labs Limited CIN: L24240MH1992PLC128651 ‘Ujala House’, Ramkrishna Mandir Road, Kondivita, Andheri (East), Mumbai 400059. Tel: +91 022-6689 2800 | Fax: +91 022-6689 2805 info@jyothy.com | www.jyothylabs.com Please take the above on your record and disseminate the same for the information of Investors. Thanking You, Yours faithfully, For Jyothy Labs Limited Shreyas Trivedi Head – Legal & Company Secretary Encl: As above Jyothy Labs Limited CIN: L24240MH1992PLC128651 ‘Ujala House’, Ramkrishna Mandir Road, Kondivita, Andheri (East), Mumbai 400059. Tel: +91 022-6689 2800 | Fax: +91 022-6689 2805 info@jyothy.com | www.jyothylabs.com TUESDAY, NOVEMBER 10, 2026 WWW.FINANCIALEXPRESS.COM 16 BACK PAGE FINANCIAL EXPRESS SB Jyothy labs TURKEY PUSHES ELECTRIFICATION AMID GLOBAL UNCERTAINTY Climate warnings grow JYOTHY LABS LIMITED CIN: L24240MH1992PLC128651 Registered and Corporate Office: ‘Ujala House’, Ram Krishna Mandir Road, Kondivita, Andheri (East), Mumbai— 400 059, Maharashtra, India Contact Person: Mr. Shreyas Trivedi, Company Secretary and Compliance Officer Telephone No.: +91-22-66892800 E-mail Id: secretarial@jyothy.com | Website: www.jyothylabs.com NOTICE TO ELIGIBLE SHAREHOLDERS IN REGARD TO BUYBACK OF EQUITY SHARES DDENDUM TO THE PUBLIC ANNOUNCEMENT DATED NOVEMBER 5, 2026 AND PUBLISHED ON NOVEMBER 6, 2026 FOR THE ATTENTION OF THE EQUITY SHAREHOLDERS / BENEFICIAL OWNERS OF EQUITY SHARES OF JYOTHY LABS LIMITED (“ THE COMPANY”) FOR THE BUYBACK OF EQUITY SHARES ON A PROPORTIONATE BASIS THROUGH TENDER OFFER ROUTE USING THE STOCK EXCHANGE MECHANISM UNDER THE SECURITIES AND EXCHANGE BOARD OF INDIA (BUY- BACK OF SECURITIES) REGULATIONS, 2018, AS AMENDED. 1. The Board of Directors of the Company (hereinafter referred to as the “Board”, which expression shall include any committee constituted by the Board to exercise its powers, including the power conferred by the resolution passed by the Board at its meeting held on November 4, 2026 (“Board Meeting”)), at the Board Meeting, subject to the approval of statutory, regulatory or governmental authorities as may be required under applicable law, if any, had approved the proposal for the buyback of not exceeding 68,37,210 (Sixty-Eight Lakhs Thirty-Seven Thousand Two Hundred and Ten) fully paid-up Equity Shares having face value of = 1/- each (Indian Rupee One only) (“Equity Shares”) (representing 1.86% (one decimal eight six percent) of the total number of outstanding Equity Shares of the existing total paid-up equity share capital of the Company as on March 31, 2026) at a price of 215/- (Indian Rupees Two Hundred and Fifteen only) per Equity Share, payable in cash (“Original Buyback Price”) for an aggregate consideration not exceeding *147,00,00,150 (Indian Rupees One Hundred and Forty-Seven Crore and One Hundred and Fifty only) (“Buyback Offer Size”) excluding Transaction Costs, from the equity shareholders/beneficial owners of the Company (“Eligible Shareholders”) as on November 11, 2026 (the “Record Date”) on a proportionate basis, through the “tender offer” route as prescribed under the SEB] Buyback Regulations, from all of the equity shareholders of the Company who hold Equity Shares as on the Record Date (the process being referred hereinafter as the “Buyback”). The Public Announcement dated November 5, 2026 was published on November 6, 2026 (“Public Announcement”) in the Financial Express (English - all editions), Jansatta (Hindi - all editions), Navshakti (Marathi - Mumbai edition). In terms of Regulation 5(via) of the SEBI Buyback Regulations, the Board may, till 1 (one) working day prior to the Record Date, increase the Buyback Price and decrease the number of Equity Shares proposed to be bought back, such that there is no change in the Buyback Offer Size. Pursuant to a resolution passed by the Buyback Committee of the Board on November 9, 2026 and in terms of Regulation 5(via) of the SEB] Buyback Regulations: People stand in a queue to enter the venue of the UN Climate Summit (COP31) on Monday in Antalya, Turkey; (Right) an activist The Original Buyback Price has been increased from &% 215/- (Indian Rupees Two Hundred and Fifteen only) to € 240 /- (Indian from Brazil, Marcelo Trindade Santana, poses at the venue on the opening day of the summit AP Rupees Two Hundred Forty only) (“Buyback Price”); and The maximum number of Equity Shares proposed to be bought back by the Company has been reduced from 68,37,210 (Sixty- SIMON JESSOP & GREEN GAMBIT summit a platform where con- Eight Lakhs Thirty- Seven Thousand Two Hundred and Ten) fully paid-up Equity Shares to 61,25,000 (Sixty-One Lakhs Twenty-Five TUVAN GUMRUKCU crete results are produced, Thousand) fully paid-up Equity Shares representing up to 1.67 % of the total number of Equity Shares in the paid-up equity share Antalya (Turkey) November 9 where countries turn their Climate's $1.3-trillion bill capital of the Company. pledges into action, because itis LEADERS OF THE COP31 cli- $300 bn no longer time to make In this regard, the Company is issuing an addendum to the Public Announcement (“Addendum”) in continuation or in conjunction with the Public Announcement. This Addendum is being published in all the newspapers in which the Public Announcement was mate summit urged the worldto promises that remain on paper,” published. Capitalised terms used in this Addendum but not defined shall have the same meaning as assigned to such terms in the accelerate the fight against Erdogan told reporters on a Annual climate finance [Showing first 8,000 characters — download PDF for full document]