Please find attached the Investor Presentation for the Second Quarter and Half Year ended 30th September, 2026

Through NEAPS By Listing Centre National Stock Exchange of India Limited BSE Limited “Exchange Plaza”, 1st Floor, P. J. Towers Bandra–Kurla Complex, Bandra (E) Dalal Street, Mumbai-400051 Mumbai – 400001 Trading Symbol: STERTOOLS Scrip Code: 530759 Date: 27th October 2026 Sub: Investor Presentation for second quarter and half year ended 30th September, 2026 Dear Sir/ Madam, This is in continuation of our letter dated 19th October, 2026 with respect to the intimation of schedule of Analyst / Institutional Investor Meeting- Earning Conference Call to be held on Wednesday, 28th October, 2026 at 11:00 A.M. In this regard, pursuant to Regulation 30 read with Part A of schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed herewith Investor Presentation for the second quarter and half year ended 30th September, 2026. The attached presentation will also be hosted on the website of the Company at www.stlfasteners.com. This is for your information and records please. Yours truly, For STERLING TOOLS LIMITED Pragya Saxena Company Secretary & Compliance Officer M. No. – F9640 Encl: As above. REGD OFFICE : DJ-1210, 12th Floor, DLF Tower -B, Jasola District Centre, New Delhi-110025 Email-csec@stlfasteners.com STRENGHTENING TODAY SHAPING TOMORROW STERLING TOOLS LIMITED Investor Presentation – Q2 & H1FY27 Safe Harbor Statement This presentation and the accompanying slides (the "Presentation") have been prepared by Sterling Tools Ltd (the "Company") solely for informational purposes and do not constitute an offer, recommendation, or invitation to purchase or subscribe for any securities, and shall not serve as the basis for any contract or binding commitment. No offering of securities of the Company will be made except by means of a statutory offering document containing detailed information about the Company. This Presentation has been prepared by the Company based on information and data which the Company considers reliable, but the Company makes no representation or warranty, express or implied, whatsoever, and no reliance shall be placed on, the truth, accuracy, completeness, fairness and reasonableness of the contents of Presentation. This Presentation may not this be all inclusive and may not contain all of the information that you may consider material. Any liability in respect of the contents of, or any omission from, Presentation is expressly excluded. The Company’s actual results, levels of activity, performance or achievements could differ materially and adversely from results expressed in or implied by this Presentation. The Company assumes no obligation to update any forward – looking information contained in this presentation. Any forward – looking statements and projections made by third parties included in this Presentation are not adopted by the Company and the Company is not responsible for such third party statements and projections. Table of About Contents 4 the Company Q2 & H1FY27 Business Highlights Financial Highlights Historical Financials Annexures 31 About the Company STL Fasteners Plant- Bengaluru A Diversified Mobility Platform Sterling E-Mobility Sterling Tech- Sterling Fasteners (SEM) Mobility (STML) A trusted Tier-1 From Motor Control Units HVDC Contactor & supplier to the to a comprehensive EV Relay Supplier – Pioneer Automotive Powertrain & Power in India Industry for over Electronics Solution 47 Years Provider 90% 42 23 7 Revenue from Active Customer Business Customers have started OEM Channel Programs Contracts receiving supplies OBC & Multifunction Assembly Lines commissioned 2nd Largest Manufacturer of automotive HVDC Contactors & Relayson track with strong fasteners in India Comprehensive EV Powertrain Solution- EV segment engagement Integrated motors, controllers, onboard & offboard Strong cash flow generation chargers, DC/DC converters Import substitutionstrategy driving value addition & localisation 2 Additional Business confirmations from OEMs Strong Relationships with leading OEMs Continued traction on multi function units Supported by rising EV penetration & new product ramp-ups Our Evolving Journey 1979 - 2019 2020 - 2024 2025 2026 Expanded into Built a Strong Diversified Entered the Assisted Powertrain & Power Fasteners Business into EV Components Driving & Riding Space Electronics Incorporated Sterling Diversification into EV Components Entered into licensing agreement with Expanded into intelligent Tools Limited through 100% subsidiary Sterling E- AEM to produce Rem-Free Motors mobility through collaboration (Magnet Free Motors) with Nanjing Haohang (ARAS for Mobility Ltd. (Erstwhile Sterling Gtake First Plant – DLF E-Mobility Ltd. (SGEM)) 2-wheelers) and Minieye (ADAS (Faridabad) State-of-the-Art HVDC Contactor and driver monitoring solutions) SGEM’s first full year of operations with facility under commissioning in positive Net Profit Bengaluru 2nd Plant – Wire Drawing Added a marquee customer to Unit at Ballabhgarh SGEM secured business from 20 the fasteners business Initiated OBC & DC/DC business, customers entered 3rd Plant – Prithla into licensing agreement with STL Added Hyundai as a Customer (Palwal) Landworld Technology Co. Ltd. MCU capacity enhanced to 6L units/pa 4th Fasteners – Kolar STML partnered with GLVAC YT to (Bengaluru) manufacture HVDC contactors and relays for EVs & Hybrid Vehicles in India Key Outcomes Established manufacturing Successful entry into electric Broadened product portfolio Strengthened our customer base & built a strong clientele mobility components with beyond MCUs into Motors, reach and diversified into in automotive fasteners scalable operations power electronics & charging intelligent mobility solutions. solutions STL Fasteners 47 4 18 100+ Years Plants Warehouses Distributors Trusted Tier – 1 supplier 3 Manufacturing Plants At Strategic Locations Network for Pan-India for manufacturing high (Faridabad, Prithla, across India aftermarket coverage – tensile cold-forged Bengaluru) fasteners 1 Wire Drawing Unit (Ballabhgarh) Consistent Market Double Digit Lower Cash Outperformance EBITDA Margins Debt – Equity Ratio Generative-Foundation Outpacing Industry Maintaining strong, <0.5x Mature core business Growth through new stable margin profile enables diversification into customer acquisitions with disciplined cost high-growth adjacencies across segments management Product Portfolio Axle Bolts Engine Bolts Wheel Bolts Standard Bolts Special Fasteners Sealant Parts STL – Sterling Tools Limited Key Clientele – STL (Fasteners) Passenger Vehicles Two Wheelers Commercial Vehicles Mahindra Farm Equipment Exports Tier 1 & Construction Logos displayed are for representation purpose only & remain the property of their respective owners SEM – Powertrain & Power Electronics Product Offering Integrated motor and Motor Control Units controller systems 2in1 and 3in1 units that One of India’s broadest MCU reduce cabling complexity portfolios, spanning 2W, 3W, and integration cost for OEMs. LCVs and HCVs. On-board chargers and Multi Function Units Sterling E-Mobility (SEM), formerly SGEM, is a leading Indian DC/ DC converters supplier of Motor Control Units (MCUs) for electric vehicles Has now evolved into a full-spectrumpowertrain and power electronics solutions providerfor the EV industry New 4in1, 5in1 and 6in1 units for Integrated & standalone OBCs, HCVs simplify vehicle DC/DC converters and PDUs in Technology center in Faridabad and Bengaluru with more than 40% architecture and reduce one unit for PV, LCV, 2W and of total staff in product and application engineering product and system costs. 3W applications. Regular supplies to more than 23 customers and trails / validation ongoing for 42 customer programs Strong traction across programs, reflecting good market adoption Secured 7 customer wins in H1FY27, strengthening the future growth SEM – Sterling E-Mobility pipeline SEM – Strategic Partnerships Motor Control Units (MCUs) Jiangs [Showing first 8,000 characters — download PDF for full document]