We wish to inform that the 8th Annual General Meeting of Tenneco Clean Air India Limited will be held on Friday, 28th August, 2026 at 4.00 p.m. through Video Conferencing (VC)/Other Audio ....

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 3, 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: Intimation of 8th Annual General Meeting (“AGM”) of Tenneco Clean Air India Limited (“the Company”) Dear Sir/Madam, This is to inform you that the 8th AGM of the Members of the Company will be held on Friday, August 28, 2026 at 4:00 P.M. (IST) through Video Conferencing/Other Audio Visual Means (“VC/OAVM”), in accordance with the applicable circulars issued by the Ministry of Corporate Affairs and the Securities and Exchange Board of India. The soft copy of the Annual Report and Notice of the AGM shall be sent in electronic mode only to those Members of the Company whose email address is registered with the Company/RTA. The said Annual Report will also be available on the website of the Company i.e. https://tennecoindia.com/investor- relations/annual-reports/ and on the website of the stock exchanges. 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