STL (Sterlite Technologies Ltd) has announced its financial results for the year ended March 31, 2025, reporting revenues of INR 1052 Cr for the quarter and INR 3996 Cr for FY25 across its Optical Networking and Digital business units. The company achieved an EBITDA of INR 146 Cr, the highest in the last six quarters, with EBITDA margins of 13.8%. STL is focusing on customer centricity, product innovation, and cost leadership to strengthen its position as a partner for global digital infrastructure development.

In Q4 FY25, the Optical Networking Business saw a 26% revenue growth and a 110% EBITDA increase compared to Q4 FY24. This growth was fueled by momentum in the Enterprise Connectivity and Data Centre Business, along with a ~22% attach rate in the Optical Connectivity Business (OC). The Enterprise and Data Centre Business experienced strong demand in Europe and India, where STL supported key players in expanding their end-customer connectivity solutions.

STL Digital achieved EBITDA positive results for two consecutive quarters, demonstrating steady YoY revenue growth and a strong order book. STL Digital has formed strategic partnerships with over 40 technology companies and acquired more than 25 global customers across India and the U.S.

STL completed the demerger of its Global Services Business, which transitioned to STL Networks Limited under the brand name 'Invenia'. STL has added a diverse range of customers across different regions, establishing partnerships with service providers like Archtop Fiber in the U.S., Connexin, Netomnia, and Wyre in the UK and Europe, Vocus in Australia, du Telecom in MEA, and Bharatnet and Vedanta in India.

STL has focused on product innovation, co-creation with customers, and next-generation optical solutions, developing ultra-thin optical fiber of 160-micron, 180-micron, and 864F Microcables, AI-led data center solutions, Multi-core fiber (MCF) for quantum communications and silicon photonics, and an Optical Connectivity portfolio for the U.S. STL also introduced the Rapid series of Optical products, compliant with the 'Build America, Buy America' (BABA) regulations. The company concluded the year with 740 patents, including 76 new patents filed in FY25.

STL's Net Debt: Equity ratio has improved to 0.68 times compared to 1.39 times post demerger and Post QIP (YoY). Ankit Agarwal, Managing Director of STL, noted that FY25 was marked by resilience and customer focus, with the company laying the groundwork for future growth by prioritizing customer and cost leadership. He also highlighted the importance of AI-ready infrastructure, rural fiberization, and data center expansion as cornerstones of global digitalization, for which STL is well-prepared with its connectivity solutions.