Firstsource Solutions Limited

rs,

), Mumbai - 400 051 Dear Madam/ Sir, BSE Limited (Scrip Code: 532809) Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai - 400 001 Sub: Investor Presentation for September 2025. We are enclosing

27.7%

Strategy refresh & impact Driven consistent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q

25.0%

Strategy refresh & impact Driven consistent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25

22.7%

Strategy refresh & impact Driven consistent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25 Q2FY25

19.2%

Strategy refresh & impact Driven consistent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25 Q2FY25 Q3FY25

14.8%

egy refresh & impact Driven consistent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25 Q2FY25 Q3FY25 Q4FY2

24.5%

resh & impact Driven consistent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25 Q2FY25 Q3FY25 Q4FY25 Q1FY

2x

mpact Driven consistent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25 Q2FY25 Q3FY25 Q4FY25 Q1FY26 Y

12.6%

t Driven consistent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25 Q2FY25 Q3FY25 Q4FY25 Q1FY26 YoY cons

10.2%

n consistent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25 Q2FY25 Q3FY25 Q4FY25 Q1FY26 YoY constant cu

4.5%

stent industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25 Q2FY25 Q3FY25 Q4FY25 Q1FY26 YoY constant currency

2.8%

industry leading revenue growth 27.7% 25.0% 22.7% 19.2% 14.8% 24.5% ~2x 12.6% 10.2% 4.5% 2.8% -1.9% Q2FY24 Q3FY24 Q4FY24 Q1FY25 Q2FY25 Q3FY25 Q4FY25 Q1FY26 YoY constant currency reven

“20 Our core strengths Focused on driving sustainable impact Climate Disclosure 2024 ‘B’ RATING Supplier Engagement Assessment 2024 ‘A’ RATING Silver RATING Leader in Carbon Management ESG REPORT 2024-25 Read our FY25 EGS report here Copyright © 2025 Firstsource.”

“24 Our FY26 guidance 13-15%* Constant currency revenue growth *Does not include the proposed acquisition of Pastdue Credit Solutions 11.25-12.0% EBIT margin Copyright © 2025 Firstsource.”

“25 Our medium-term aspirations Services Expansion (for existing verticals) Cross-sell/upsell (in existing clients) Rightshore Delivery Optimise Execution (Delayer/internal seeding) Vertical Expansion (Retail/Utilities in the US) Double–digit Constant currency YoY revenue growth 50-75bps expansion p.a.”

“0% 8.0 % 6.0 % 4.0 % 2.0 % 0.0 % 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 - 8.3% 7.1% 9.1% 8.5% 8.1% 7.4% 7.6% 7 9 3 , 3 7 1 6 , 3 4 7 3 , 5 7 3 1 , 5 7 4 1 , 5 5 4 9 , 5 3 9 6 , 1 10.0% 8.0% 6.0% 4.0% 2.0% 0.0% FY20 FY21 FY22 FY23 FY24 FY25 Q1FY26 FY20 FY21 FY22 FY23 FY24 FY25 Q1FY26 EBIT EBIT Margin (%) PAT PAT Margin (%) Copyright © 2025 Firstsource.”

Client

2

Client

Multi-state Medicare & Medicaid health plan The UnBPOTM Solution Domain expertise embedded into software solutions • Implemented Claims-as-a-Service for all lines of businesses • Combined operational transformation with cutting-edge AI technologies • Right shored operations while navigating regulatory restrictions Customized GenAI solutions • AI/GenAI claims decision agents and copilots to transform operations • ‘EAD’ framework leveraging AI agents/bots process mining for efficiency Creative financial structuring • Deliver savings early in the program with creative solutioning • Move towards an outcome-based model beyond just SLAs The impact 20% Cost savings over the deal term 20% Faster speed to competency 33% FTE effort saved Faster TAT & efficiency gains Copyright © 2025 Firstsource. All rights reserved. 18 Leading in the unBPOTM world UnBPOTM in action: Case study #2 The challenge Optimize TCO, modernize operations, and build a future-ready service model Transformation spanned 16 c

Client

One of the largest building societies The UnBPOTM Solution Innovation at the core • Deployed AI Coach for real-time personalized insights and on-the-fly training • GenAI QA automation for reviews at scale; spotting skill/compliance gaps • Introduced a compassionate bereavement services solution Seamless integration • Designed a model office for scalable workflows across banking value chain • Embed continuous process intelligence into each layer of operations The impact 55% Cost savings over the deal term ~30% Reduction in headcount 5-8 points Improvement in NPS Culturally aligned and sustainable by design • ‘EAD’ framework leveraging AI agents/bots process mining for efficiency • Co-created governance model to align with the client's culture and purpose • Innovation Council to define long-term sustainable operating framework ~30% improvement in turnaround time Copyright © 2025 Firstsource. All rights reserved. 19 Our core strengths Rooted in shared values RISK TAKING Courage | Innovati