Analysts/Institutional Investor Meet/Con. Call Updates

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: 23rd September, 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 Scrip Code: 544612 Subject: Schedule of the proposed Analyst/Institutional Investors meet under the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/Madam, Pursuant to Regulation 30(6) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we would like to inform you of the schedule of the proposed meeting(s) with Institutional Investors where the Company would be participating as per the following details: S.No. Participants Type of Date Mode/Place Name of the Meeting Attendee 1 Nuvama Emerging India In Person 28th September, 2026 Mumbai Management CEO Forum Team The schedule may undergo any change on the part of Analyst/Institutional Investor/Company. Kindly note that no unpublished price sensitive information pertaining to the Company shall be disclosed or shared at the meeting with analysts/institutional investors. Copy of the latest Investor presentation, is available on the Company’s website at: https://tennecoindia.com/investor-relations/quarterly-financial-information/. You are requested to kindly take the same on record. Sincerely, For Tenneco Clean Air India Limited Roopali Singh Company Secretary and Compliance Officer Membership No: A15006 Place: Gurugram Registered Office: RNS2, Nissan Supplier Park, SIPCOT Industrial Park Oragadam Industrial Corridor, Sriperumbudur, Taluk, Kancheepuram, Tamil Nadu, India, 602105