Copy of Newspaper Publication

June 18, 2026 BSE Limited National Stock Exchange of India Limited Department of Corporate Relations Exchange Plaza, 5th floor, Pheroze Jeejeebhoy Towers Plot No. C/1, G Block, Dalal Street, Mumbai – 400 001 Bandra-Kurla Complex, Mumbai – 400 051 Scrip Code: 532321 Symbol: ZYDUSLIFE Dear Sir/ Madam, Sub: Submission of the post buyback public advertisement pertaining to buyback of not exceeding 87,30,158 (eighty seven lakh thirty thousand one hundred and fifty eight) fully paid-up equity shares having face value of INR 1/- (Indian Rupee One only) each (“Equity Shares”) of Zydus Lifesciences Limited (hereinafter referred as the “Company”) at a price of INR 1,260/- (Indian Rupees One Thousand Two Hundred and Sixty only) per Equity Share for an aggregate amount not exceeding INR 1100,00,00,000/- (Indian Rupees One Thousand One Hundred Crore only) (“Buyback Size”), 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 is in regard to the captioned Buyback and is in furtherance of our letters dated: (i) May 21, 2026 wherein we had submitted a copy of the public announcement dated May 20, 2026; (ii) May 28, 2026 wherein we had submitted a copy of the addendum to the public announcement dated May 27, 2026; (iii) May 31, 2026 read with June 1, 2026 wherein we had submitted a copy of the letter of offer dated May 31, 2026 (“Letter of Offer”); and (iv) June 3, 2026 wherein we had submitted a copy of the offer opening advertisement dated June 2, 2026. In compliance with Regulation 24(vi) of the Buyback Regulations, we are pleased to submit herewith a copy of the post buyback public advertisement dated June 17, 2026 (“Post Buyback Public Advertisement”), which has been published on June 18, 2026, in the following newspapers: Publication Language Editions Financial Express English All editions Jansatta Hindi All editions Financial Express Gujarati* Ahmedabad *Gujarati being the regional language wherein the registered office of the Company is located. A copy of the Post Buyback Public Advertisement is enclosed herewith. Capitalised terms used and not defined herein shall have the meaning ascribed to them in the Letter of Offer. We request you to kindly take the above on record. Thanking you, Yours sincerely, For Zydus Lifesciences Limited Dhaval N. Soni Company Secretary & Compliance Officer Membership No. FCS7063 Encl. As above.