The Exchange has received the disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 for Centella Mauritius Holdings Ltd

August 20, 2026 To, To, Bombay Stock Exchange Limited, National Stock Exchange Limited, P. J. Towers, Dalal Street, Fort, Exchange Plaza, 5th floor, Plot no. C/1, Mumbai – 400 001. G Block, Bandra Kurla Complex, Mumbai – 400051. Dear Sir / Madam, Disclosure under Regulation 29(2) of the Securities and Exchange Board of India (Substantial Acquisition and Takeovers) Regulations, 2011 We. Centella Mauritius Holdings Limited, wish to inform you that we have sold 6,24,00,000 equity shares of face value of INR 10/- each of Aster DM Quality Care Limited (“Company”), representing 7.16% of the total paid-up equity share capital of the Company through an on-market transaction on August 19, 2026. In accordance with Regulation 29(2) of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011, we hereby submit the requisite disclosure in the prescribed format provided hereunder: Name of the Target Company (“TC”) Aster DM Quality Care Limited (formerly known as Aster DM Healthcare Limited) Name(s) of the acquirer / seller and Persons Seller: Centella Mauritius Holdings Limited Acting in Concert (“PAC”) with the acquirer / seller Whether the acquirer / seller belongs to No Promoter/Promoter group Name(s) of the Stock Exchange(s) where the - BSE Limited shares of TC are Listed - National Stock Exchange of India Limited Details of the acquisition / disposal as follows Number % w.r.t. total % w.r.t. total share / voting diluted share capital / voting wherever capital of the applicable TC (*) Before the acquisition / disposal under consideration, holding of acquirer along with PACs of: a) Shares carrying voting rights 8,63,17,533 9.90% 9.90% b) Shares in the nature of encumbrance (pledge/ 0 0.00% 0.00% lien/ non-disposal undertaking/ others) c) Voting rights (“VR”) acquired / sold 0 0.00% 0.00% otherwise than by equity shares d) Warrants/convertible securities/any other 0 0.00% 0.00% instrument that entitles the acquirer / seller to receive shares carrying voting rights in the TC (specify holding in each category) e) Total (a+b+c+d) 8,63,17,533 9.90% 9.90% Details of acquisition / sale: a) Shares carrying voting rights acquired / sold 6,24,00,000 7.16% 7.16% b) VRs acquired / sold otherwise than by equity 0 0.00% 0.00% shares c) Warrants/convertible securities/any other 0 0.00% 0.00% instrument that entitles the acquirer / seller to receive shares carrying category) acquired d) Shares in the nature of encumbrance (pledge/ 0 0.00% 0.00% lien/ non-disposal undertaking/ others) e) Total (a+b+c+d) 6,24,00,000 7.16% 7.16% After the acquisition / sale, holding of acquirer / seller along with PACs of: a) Shares carrying voting rights 2,39,17,533 2.74% 2.74% b) VRs otherwise than by equity shares 0 0.00% 0.00% c) Warrants/convertible securities/any other 0 0.00% 0.00% instrument that entitles the acquirer / seller to receive shares carrying voting rights in the TC (specify holding in each category) after acquisition d) Shares in the nature of encumbrance (pledge/ 0 0.00% 0.00% lien/ non-disposal undertaking/ others) e) Total (a+b+c+d) 2,39,17,533 2.74% 2.74% Mode of acquisition / sale (e.g. open market / Open market public issue / rights issue / preferential allotment / inter-se transfers etc.) Date of acquisition / sale of shares / VR or date August 19, 2026 of receipt of intimation of allotment of shares, whichever is applicable Equity share capital / total voting capital of the 87,16,72,439 equity shares of the TC TC before the said acquisition / sale Equity share capital/ total voting capital of the 87,16,72,439 equity shares of the TC TC after the said acquisition / sale Total diluted share/voting capital of the TC after 87,16,72,439 equity shares of the TC the said acquisition / sale (*) 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. Signature of Centella Mauritius Holdings Limited / Authorised signatory Signatory Place: Port Louis, Mauritius Date: 20 August 2026