Please find attached Intimation of Scheduled Earnings Con Call with Analyst and Investors

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: July 30, 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 schedule of Earning Conference Call with Analysts/Investors pursuant to SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/Madam, Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”), we wish to inform that the Company shall be hosting an Earning Conference Call with Analysts/Investors on Thursday, August 6, 2026 at 4:00 PM (IST) to discuss the financial results for the quarter ended June 30, 2026, details of which are enclosed. The Investor presentation will be submitted to stock exchanges before call and will also be made available on our website at https://tennecoindia.com/investor-relations/. Further, the transcript and audio recording will be made available on the website of the Company within the stipulated time. Further, the discussions will be based on publicly available information, and no Unpublished Price Sensitive Information (UPSI) will be shared during the call. 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 Encl. Earning Conference Call Invite Registered Office: RNS2, Nissan Supplier Park, SIPCOT Industrial Park Oragadam Industrial Corridor, Sriperumbudur, Taluk, Kancheepuram, Tamil Nadu, India, 602105 Tenneco Clean Air India Limited cordially invites you to the Q1 FY2027 Earning s Conference Call on Thursday, 6th August 2026 at 4:00 PM IST The call will be initiated with a brief management discussion on business performance followed by a question & answer session The Tenneco Management team will be represented by: ❖ Mr. Arvind Chandrasekharan - Whole Time Director & Chief Executive Officer ❖ Mr. Mahender Chhabra – Chief Financial Officer ❖ Ms. Roopali Singh - Company Secretary & Compliance Officer Request you to please pre-register for the call on the below link Registration Link Diamond Pass Link Dial-in details Universal Dial In: +91 22 6280 1107 / +91 22 7115 8008 International Toll Free: Singapore 8001012045 Hong Kong 800964448 UK 08081011573 US 18667462133 For further information, please contact Tenneco Clean Air India Limited Himanshu Sharma – Head Investor Relations HIMANSHU.SHARMA2@TENNECO.COM