Press Release

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: November 4, 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: Press Release Dear Sir/Madam, Please find enclosed a copy of the Press Release with respect to Unaudited Financial Results (Standalone and Consolidated) for the quarter and half year ended on September 30, 2026. 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: as above Registered Office: RNS2, Nissan Supplier Park, SIPCOT Industrial Park Oragadam Industrial Corridor, Sriperumbudur, Taluk, Kancheepuram, Tamil Nadu, India, 602105 PRESS RELEASE Q2 and H1 FY’27 Tenneco Clean Air India Limited Announces Q2 and H1 FY’27 Results Value-added revenue* up 32.2% and EBITDA up 20.7% year-on-year in Q2, with EBITDA margin of 17.2% on VAR despite inflationary headwinds. Company announces a new Clean Air plant in West India with investment of ~INR 450 Million Gurugram, India, 4 November 2026: Tenneco Clean Air India Limited (“Tenneco India”) (BSE/NSE: TENNIND), a leading Tier-1 automotive component manufacturer supplying Clean Air, Powertrain and Advanced Ride Technologies (ART) solutions to major OEMs, today announced its financial results for the second quarter and half year ended 30 September 2026 (Q2 and H1 FY’27). Financial Highlights (INR Millions): Particulars Q2 FY’27 Q2 FY’26 YoY change H1 FY’27 H1 FY’26 YoY change Revenue from operations 17,183 12,806 34.2% 32,631 25,663 27.2% Value-added revenue (VAR)* 15,229 11,515 32.2% 29,044 23,181 25.3% Clean Air & Powertrain Solutions 7,218 5,702 26.6% 13,843 11,747 17.8% Advanced Ride Technologies 8,010 5,813 37.8% 15,201 11,434 32.9% EBITDA 2,616 2,168 20.7% 5,085 4,457 14.1% EBITDA margin (on VAR)** 17.2% 18.8% -165 bps 17.5% 19.2% -172 bps PAT*** 1,734 1,507 15.0% 3,386 3,188 6.2% PAT margin (on VAR) 11.4% 13.1% -170 bps 11.7% 13.8% -209 bps *VAR (value-added revenue) is the Company’s primary performance metric. It excludes pass-through substrate costs from revenue from operations and better reflects underlying operating performance, margins and comparability across periods. **EBITDA/Margin : Q2 FY’27 was affected by significant inflationary increases due to the current geopolitical situation and the cost of moving from a private to a listed public company ***PAT: Q2 / H1 FY’26 includes one-time interest income related to Motocare entity sale amounting to INR 67 Mn (Net of tax) and INR 254 Mn (Net of Tax) respectively. PAT Growth for Q2 / H1 FY’27 excluding this one-off interest income is ~20.4% / ~15.4% respectively. Page | 1 PRESS RELEASE Q2 and H1 FY’27 Business Highlights: Our strong momentum continued through Q2 and H1 FY’27, driven by overall market growth, market share gains1 and disciplined execution across the business. Value-Added Revenue grew 32.2% in Q2 and 25.3% in H1, Volumes grew 25.4% in Q2 and 20.7% in H1 in line with growth in our served markets and reinforcing our leadership positions across Clean Air Commercial Trucks and Passenger Vehicle Suspension Systems. EBITDA grew 20.7% year-on-year in Q2 to INR 2,616 million at a margin of 17.2% on VAR, supported by productivity gains under the Company’s P3 (People, Performance, Pride) operating system and commercial discipline, partially absorbed elevated commodity costs and the incremental cost of operating as a listed entity. PAT was INR 1,734 million with a PAT margin of 11.4%. Overall booked business now covers more than 100% of the Company’s FY’30 revenue plan. The total order book stands at approximately ~INR 165,000 million and is split roughly 35% of CA / PT and 65% for ART. Overall booked business includes ~INR 8,750 million from export programs, strengthening multi-year revenue visibility. To keep capacity ahead of these commitments, the company has announced a new Clean Air manufacturing plant in West India, with capital expenditure of ~INR 450 million. This is in addition to the North India plant announced in FY’26. Key Highlights for Q2 and H1 FY’27: Advanced Ride Technologies (ART) • Reinforced its ART market leadership, holding ~55%1 share of the entire PV market in H1 FY’27 • Major conquest win with leading Indo-Chinese JV, gaining content on three new vehicle platforms. • Entered fast-growing three-wheeler (3W) segment, winning suspension business for an Indo-Korean JV • Grew DCx DaVinci production volumes with 3-Door Thar suspension program • Secured two next-generation models with an existing leading Japanese PV OEM and scaling up with a Vietnamese OEM across three new platforms • Demonstrated advanced technology leadership by locally producing India’s first semi-active CVSAe. Clean Air & Powertrain (CA & PT) • Tenneco continues to be CA market leader with ~59%1 share of entire CT market in H1 FY’27 • Introduced a new commercial vehicle exhaust program (hot end) with a leading Indian CV OEM • Made a strategic entry into the CNG market with a cold-end assembly program for a European PV • Expanded customer wallet share with a new spark plug award from a European PV manufacturer, adding to a growing spark plug order book Awards and Recognition • Won the Economic Times “Best Manufacturing Brand 2026” award. • Won the “National Green Future Leadership” award at the National CSR Leadership Congress for Excellence. 1. Source: Crisil Report Page | 2 PRESS RELEASE Q2 and H1 FY’27 Management Remarks: Arvind Chandra, Whole-Time Director and CEO, Tenneco India, said: “Our strong momentum continued through Q2 and H1 FY’27, driven by overall market growth, market share gains and disciplined execution across the business. During the period, we continued to deepen customer relationships and expand our technology footprint. In ART, we secured multiple platform wins across domestic and international OEMs, entered a new passenger vehicle whitespace, expanded engagement with leading OEMs, and advanced our portfolio through successful commercialization and localization initiatives. In CA and PT, we strengthened our order pipeline through key wins across commercial vehicle, CNG, and spark plug applications. Our growing competitive strength is reflected in continued order book providing revenue visibility exceeding 100% of our FY’30 target revenues, underpinning a healthy double-digit CAGR trajectory. To support future growth, we continue to invest in capacity expansion, localization, and innovation, including a new West India Clean Air manufacturing facility. Supported by a robust order book, increasing domestic and export penetration, technology-led customer wins, and strategic investments, we remain well positioned to sustain above-market growth and drive superior shareholder returns over the long term.” About Tenneco Clean Air India Limited: Tenneco Clean Air India Limited is part of the Tenneco Group, a US-headquartered global Tier-1 automotive component supplier. The Company manufactures and supplies critical, highly engineered and technology-intensive clean air, powertrain and suspension solutions tailored to the needs of Indian OEMs and the export market. Its customers span passenger vehicles, commercial vehicles (including commercial trucks and off-highway vehicles) and industrial applications. The Company’s portfolio includes catalytic converters, diesel particulate filters (DPFs), selective catalytic reduction (SCR) systems, mufflers, exhaust pipes, after-treatment systems, bearings, sealings, spark plugs, strut assemblies and shock absorbers that help OEMs meet stringent emission norms while improving vehicle performan [Showing first 8,000 characters — download PDF for full document]