Q1FY27 Investor Presentation for the Quarter ended June 30, 2026 is as enclosed.

6th August 2026 National Stock Exchange of India BSE Limited (Scrip Code: Limited (Scrip Code: FSL) 532809) Exchange Plaza, Phiroze Jeejeebhoy Towers, Plot no. C/1, G Block, Dalal Street, Bandra-Kurla Complex Mumbai - 400 001 Bandra (East), Mumbai - 400 051 Dear Madam/ Sir, Sub: Intimation of Analyst/ Institutional Investor Call We are enclosing herewith a copy of the presentation regarding conference call to be held on Thursday, 6th August 2026 at 04.00 PM IST with the analysts and investors, on the financial results of the Company for the quarter ended 30th June 2026. You are kindly requested to take the same on record and oblige. Thanking you, For Firstsource Solutions Limited POOJA SURESH Digitally signed by POOJA SURESH NAMBIAR NAMBIAR Pooja Nambiar Company Secretary Encl.: A/a Firstsource Solutions Ltd 1st Floor, Athena Towers, Mindspace Malad, Goregaon (W), Mumbai – 400 063 India Tel: +91 (22) 6666 0888 | Fax: +91 (22) 6666 0887 | Web: www.firstsource.com (CIN: L64202MH2001PLC134147) Firstsource Solutions Investor Presentation AUGUST 2026 Disclaimer Certain statements in this presentation concerning our future growth prospects are forward-looking statements, which involve a number of risks and uncertainties that could cause actual results to differ materially from those in such forward-looking statements. The risks and uncertainties relating to these statements include, but are not limited to risks and uncertainties regarding fluctuations in earnings, our ability to manage growth, intense competition in BPS market including those factors which may affect our cost advantage, wage increases, our ability to attract and retain highly skilled professionals, time and cost overruns on client contracts, client concentration, our ability to manage ramp-ups and growth, our ability to manage our international operations, reduced demand in our key focus verticals, disruptions in telecom infrastructure and technology, our ability to successfully complete and integrate potential acquisitions, liability for damages on our service contracts, performance of our subsidiaries, withdrawal of government fiscal incentives, political instability, legal restrictions on raising capital and acquiring companies outside India, unauthorized use of our intellectual property and general economic conditions affecting our industry. Firstsource may, from time to time, make additional written and oral forward-looking statements, including our reports to shareholders. The company does not undertake to update any forward-looking statements that may be made from time to time by or on behalf of the company. Copyright © 2026 Firstsource. All rights reserved. 2 We are a part of RP-Sanjiv Goenka Group Too Yumm, a flavorful & better-for-you snacking India’s first fully integrated utility company, Group turnover of serving 4.7 Mn consumers across7 locations Innovating in the personal care category through ~US$5 Bn* new-age brands Naturali and Within Beauty Market Cap. Asset base of A global intelligence partner leveraging deep domain expertise and agent-first operations to design, LSG is a premier IPL franchisee focused on nurturing ~US$6 Bn* >US$8 Bn* implement, and operate intelligent enterprises— the future of Indian cricket underwriting outcomes at every stage. Over 1.1 Mn* Shareholders Eastern India’s definitive destination for luxury, A Global Specialty Chemical company and India’s Largest Carbon Black player style, and curated lifestyle experiences One of India’s new-age and fastest growing Conglomerates An entertainment Company with IP at its core having diverse portfolio of 170k+ songs, 70+ films, 10k+ hrs India’s largest producer of rubber & South India’s TV serials, 45+ web series, artist management & live second largest cultivator of tea Strong workforce of 55,000+ employees, belonging events. to different nationalities Presence in 60+ countries Delivering sharp journalism, bold storytelling, and 100+ offices worldwide India’s finest gourmet and multi-format organized immersive experiences across print, digital, and retailerwith varied assortments video—shaping conversations in business, culture, lifestyle and current affairs *All figures are for FY26 or as on 31st March 2026 Copyright © 2026 Firstsource. All rights reserved. 3 Our Impact Our impact We have strengthened our client relationships We are adding new logos at a healthy pace… 13 13 9 11 3 10 5 9 3 US$1m+ clients (nos.) US$5m+ clients (nos.) Strategic logos 5 6 8 0 8 9 1 2 1 1 1 1 1 1 1 2 2 3 3 3 4 4 Q2FY25 Q3FY25 Q4FY25 Q1FY26 Q2FY26 Q3FY26 Q4FY26 Q1FY27 Q2FY25 Q3FY25 Q4FY25 Q1FY26 Q2FY26 Q3FY26 Q4FY26 Q1FY27 Q2FY25 Q3FY25 Q4FY25 Q1FY26 Q2FY26 Q3FY26 Q4FY26 Q1FY27 …And winning more large deals 4 4 4 4 US$10m+ clients (nos.) US$20m+ clients (nos.) 3 4 5 7 7 8 7 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 9 9 9 Q2FY25 Q3FY25 Q4FY25 Q1FY26 Q2FY26 Q3FY26 Q4FY26 Q1FY27 Q2FY25 Q3FY25 Q4FY25 Q1FY26 Q2FY26 Q3FY26 Q4FY26 Q1FY27 Q2FY25 Q3FY25 Q4FY25 Q1FY26 Q2FY26 Q3FY26 Q4FY26 Q1FY27 Number of clients across revenue buckets on a TTM basis Strategic logo defined as one with potential of US$5m+ relationship Large deal defined as one with annual contract value of US$5m+ Copyright © 2026 Firstsource. All rights reserved. 5 Our impact We accelerated growth and expanded margins, even while investing in the business Revenue (in US$mn) EBIT Margin Key investments areas 11th 7th straight quarter straight quarter of QoQ revenue growth of margin expansion Expanded sales team 3 8 8 % 4 7 8 2 2 % % 2 4 .2 Senior leadership 9 4 2 0 5 2 % % 2 % 3 5 .1 9 .1 hires New roles to drive 2 .0 strategic initiatives 1 Capability expansion AI infusion across services Vertical-specific language models Brand amplification Q3FY24 Q4FY24 Q1FY25 Q2FY25 Q3FY25 Q4FY25 Q1FY26 Q2FY26 Q3FY26 Q4FY26 Q1FY27 Q2FY25 Q3FY25 Q4FY25 Q1FY26 Q2FY26 Q3FY26 Q4FY26 Q1FY27 3.4% 4.2% 6.6% 6.9% 7.6% 2.1% 1.6% 2.0% 4.6% 3.0% 2.2% (20) 30 10 10 20 40 30 20 QoQ Growth % in CC QoQ BPS Change Copyright © 2026 Firstsource. All rights reserved. 6 Shareholder Returns Stock performance: Last 3 years^ Total Shareholder Return^ NSE: FSL | BSE: 532809 | Reuters: FISO.BO| Bloomberg: FSOL:IN Share price return Market Capitalisation: US$2.4bn 3 Year return 128% 9% Dividend yield Average daily trading volume (TTM): US$8mn 5 Year return 72% 10% 7 Year return 609% 53% 128% Shareholding Pattern* Key institutional shareholders HDFC Mutual Fund Public & Others 13% Life Insurance Corporation Nifty50 SBI Mutual Fund Promoter Vanguard Group NiftyIT DII 54% Tata Mutual Fund 5% 25% Aditya Birla Sun Life Mutual Fund Aug-23 Feb-24 Aug-24 Feb-25 Aug-25 Feb-26 Aug-26 Blackrock FII White Oak Abu Dhabi Investment Authority SBI Life Insurance ^Till 5th August 2026 *As on 30th June 2026 Copyright © 2026 Firstsource. All rights reserved. 7 Our Core Strengths Our core strengths Our deep domain expertise is a key differentiator BANKING & COMMUNICATION, DIVERSIFIED HEALTHCARE FINANCIAL SERVICES MEDIA & TECHNOLOGY INDUSTRIES 33% 33% 21% 13% US$363m* US$370m* US$232m* US$149m* of Top 2 Media companies in the UK of Top 20 10 5 Mortgage lenders & servicers in the US 4 of Top 15 of Top 6 of Top 5 Health plans in the US Energy providers in the UK 7 Telecom companies in the UK of Top 10 Credit card issuers in the US 3 200+ of Top 5 2 3 Telecom & media companies in the US of Top 10 Health systems in the US of Top 6 Retailers in the UK Retail banks in the UK 4 of Top 5 Consumer Tech companies in the US *US$ revenue and % revenue contribution on TTM basis Copyright © 2026 Firstsource. All rights reserved. 9 Our core strengths Our services are AI-enabled CUSTOMER DOMAIN-LED COLLECTIONS EXPERIENCE PLATFORMS & SOLUTIONS Domain led solutions tailored for industry- E2E collection capabilities, covering first- AI embedded into existing platforms for specific pain points party, third-party and legal collections smarter workflows Tech-embedded global delivery AI/ML infusion for hyper-personalized Leverage models (hyper-personaliz [Showing first 8,000 characters — download PDF for full document]