On February 1, 1993, an agreement was entered into between Shriram Engineering Construction Company Limited and Hytech Cooling Towers Private Limited, whereby Hytech Cooling Towers Private Limited granted an exclusive license of the technical know-how relating to the manufacture of complete range of cooling towers with a right to use its trade name to Shriram Engineering Construction Company Limited.In September 1995,Shriram Engineering Construction Company Limited transferred the said Hytech Cooling Tower division to Shriram Cooling Towers Limited. Shriram Cooling Tower Limited's name was subsequently changed to Shriram Tower Tech Limited on November 22, 1995. Our Company, on January 12, 2004 (as amended on March 8, 2004), entered into a Business Transfer Agreement with Shriram Tower Tech Limited for the purchase of its entire cooling towers business along with the technical know-how, the technical people and the infrastructure facilities of Shriram Tower Tech Limited.

In December 2004, our Company entered into a joint operation agreement with Hamon Thermopack Engineers Private Limited, a subsidiary of Hamon Thermal Europe SA and Hamon (Nederland) B.V. (collectively referred to as the Hamon Group), in order to carry out projects regarding cooling tower solutions.On February 5,2007, a Joint Venture,Share Transfer and Shareholders Agreement (along with a Supplementary agreement of the same date) was entered into between Hamon Thermal Europe SA, Hamon Thermopack Engineers Private Limited and our Company. Under the said Joint Venture, Share Transferand Shareholders Agreement, Hamon Thermopack Engineers Private Limited issued shares to our Company representing 50.01% of the share capital of Hamon Thermopack Engineers Private Limited. Further, a license agreement was entered into between Hamon Shriram Cottrell Private Limited and Hamon Research-Cottrell, Inc.

on March 26, 2007, for grant of an exclusive license to design, manufacture and sell certain air pollution control products and systems Hamon Research-Cottrell, Inc.The renewable energy business of our Company comprises wind energy projects,biomass based power projects,cogeneration power projects and bio-ethanol plant projects. For further details see Our Business Renewable Energy Business on page 70.Our Company began its operations in the biomass power plants business inDecember 2000 with the execution of the first biomass power plant project in Andhra Pradesh. Our biomass power plants business is engaged in the design, engineering and construction of thermal biomass-based power plants. Further, our Company entered into a memorandum of understanding on August 28, 2007 with Bessemer Venture Partners Trust (BVP) forpower generation through renewable sources.

Company commenced the business, erection, testing and commissioning of wind electric generators in 2004. In August 2006, our Company received certification for designing and manufacturing 250 KW wind turbines from the Deutsches Wind Energie-Institut GmbH, for the design of our 250KW-class wind turbine generators, after which we started manufacturing and selling our own 250KW WTGs.On January 16, 2007 we entered into a Joint Venture Agreement with Leitner B.V., Netherlands to set up Leitner Shriram Manufacturing Limited, an Associate company formed for the purposes of manufacturing of megawatt class wind turbines and components. On February 3, 2007, our Company entered into a Joint Venture Agreement with Leitner B.V.Netherlands to set up Shriram Leitwind Limited, a Subsidiary company, formed for the purposes of marketing of wind turbines, wind farm development, and erection and commissioning of wind turbines. In April 2007 we received ISO9001: 2000 certification from DAS Certification Ltd. for the manufacture, supply, installation,commissioning, maintenance of wind turbines and development of wind turbines.

Our Company began operations in the process and metallurgy business in 2004 The process and metallurgy business is focused on providing turnkey solutions for iron and steel, cement, aluminum, copper and thermal power plants.

SHRENCO began undertaking municipal services in 1990. Our Company commenced its municipal services business of water and wastewater management and water distribution systems and pipe rehabilitation in 2004.The municipal services business principally focuses on the design and implementation of turnkey design-build environmental projects for water and wastewater distribution, water and sewage treatment and pipe rehabilitation.We work on a project to project basis with Chevalier Pipe Technologies Limited, whereby we have been granted license to use its rib loc technology in India. For more information see Our Business Municipal Services on December 2000 Execution of first biomass power plant project in Mancherial Village, Adialabad District, Andhra Pradesh.

July, 2003 Commencement of process and metallurgy business

January 2004 Acquisition of the cooling towers business of Shriram Tower Tech Limited

May, 2004 Commencement of the business of erection, testing and commissioning of wind electric generators

December 2004 Execution of joint operation agreement with the Hammon Group

January 2004 Commencement of rehabilitation business

March 2005 Investment by UNO Investments

March 2006 Investment by Bessemer Venture Partners Trust

August 2006 Certification by DEWI OCC for designing and manufacturing 250 KW wind turbine

November 2006 Execution of MoU with Leitner Technologies for manufacture and marketing of megawatt class wind turbines

December 2006 Purchase of Equity Shares by UTI Investment Advisory Services Limited

February 2007 Joint Venture Agreement entered into between our Company and Hamon Thermopack Engineers Private Limited.

March 2007 Exclusive license with Hamon Shriram Cottrell Inc for use of technology and products in the Air Pollution Control business.

April 2007 Certification ISO 9001:2000 for manufacture, supply, installation, commissioning,maintenance of wind turbines and development of wind farms

September 2007 Installation of 1,350 KW capacity Wind Electric Generator

November 2007 Awarded the first contract for setting up coal gasification and gas purificati

2009

- In order to form a consortium for the execution of thermal power projects, Shriram EPC announced the signing of a memorandum of understanding with China based North West Electric Power Design Institute.

- Shriram EPC (SEPC) and its subsidiaries, have received orders amount to Rs. 156 crore.

2010

- Shriram EPC has bagged two orders worth Rs. 83 crore from the Urban Improvement Trust, Kota. The orders are for laying and commissioning of sewerage, manholes and road works across different locations in the city of Kota and also commissioning and maintenance of two pumping stations.

- Shriram Epc Limited has appointed Mr. R Dharmarajan as the Chief Financial Officer (CFO) of the Company with effect from 28th July 2010 at the Audit Committee meeting of the Company held on that date.

2011 -Registered Office of the Company has been shifted From No. 5, T V Street, Chetput, Chennai - 600 031 To Sigappi Achi Building, 4th Floor, 18/3 Rukmini Lakshmipathi Road, Egmore, Chennai-600008.

2012 -Shriram EPC Limited wins Rs.165 crore order from Kerala Water Authority. -Shriram EPC have recommended a dividend of Rs. 1.20 per share on face value of Rs. 10 per share.

2013 -Shriram EPC wins multiple repeat orders. -SEPCs Water Management Division wins Rs. 126 crore order.

2016 - Shriram EPC bags contract from Karnataka Board

2017 -Shriram EPC bags multiple orders worth Rs 349 cr.

2022 -Company name has changed to SEPC Ltd. from Shriram EPC Ltd.

2023

-SEPC 'Commissioned Integrated underground sewerage scheme at Porur, Chennai,'.

-SEPC Limited has informed that, the receipt of Commissioning Certificate (CC) in respect of HuttiGold Mines project for Rs. 232 crores - as per Regulation 30 of SEBI