Please find enclosed the link for Earnings Conference Call held today i.e. Thursday, August 6, 2026 at 04:00 PM (IST), post declaration of results for Q1 FY2026-27.

TENNECO CLEAN AIR INDIA LIMITED (formerly known as Tenneco Clean Air India Private Limited) CIN: L29308TN2018FLC126510 Telephone: +2135 612501/506 Email: Tennecoindiainfo@tenneco.com Website: www.tennecoindia.com Date: August 6, 2026 To To National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G Phiroze Jeejeebhoy Towers Bandra Kurla Complex, Dalal Street, Bandra (E), Mumbai – 400051 Mumbai – 400001 Scrip Symbol: TENNIND S c r i p C ode: 544612 Sub: Audio recording of earnings conference call for Analysts and Investors Dear Sir/Madam, Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 and in continuation to our intimation letter dated July 30, 2026, the audio recording of the Earnings Conference Call held today i.e. Thursday, August 6, 2026 at 04:00 PM (IST), post declaration of results for Q1 FY2026-27 is available on the Company’s website at below link: Link: https://tennecoindia.com/wp-content/uploads/2026/08/10045978.mp3. You are requested to kindly take the same on record. Sincerely, For Tenneco Clean Air India Limited (Formerly known as Tenneco Clean Air India Private Limited) Roopali Singh Company Secretary and Compliance Officer Membership No: A15006 Place: Gurugram Registered Officer: RNS2, Nissan Supplier Park, SIPCOT Industrial Park Oragadam Industrial Corridor, Sriperumbudur, Taluk, Kancheepuram, Kancheepuram, Tamil Nadu, India, 602105