Oil India Limited

rs,

l estimates and have not been independently verified by any third party or expert. Many of the factors, assumptions and variables involved in making such estimates may be beyond the control of the Compan

31x

edit ratings (Fitch) and entered RE recognizing global energy shifts Highest priced PSU IPO with 31x over-subscription Bestowed the Navratna Status in recognition as a high performing CPSE 2021 20

2 GW

Capacity (NRL) 3 MMTPA Domestic E&P International E&P Transportation Downstream RE Capacity 2 GW New Energy Domestic Upstream International Upstream Crude Oil Refining & marketing Wind Energ

174 MW

6 MMT existing NBPL capacity 3 MMTPA refining capacity with expansion to 9 MMTPA by Dec 2025 174 MW in Rajasthan, Gujarat and MP 69 MMT 2P Oil reserves 121 MMTOE 2P Gas reserves Crude Oil 4

1.9 GW

with 6 blocks as operator and 3 blocks as part of consortium (2) Includes spur lines Solar Power 1.9 GW in Rajasthan and Assam Green Hydrogen 2.4 kTPA GH2 tender awarded Compressed Biogas 25 CBG p

94%

via strategic OALP and DSF wins 62 operated blocks across India1 India: Acreage of ~93K Sq. Km, 94% OALP Rajasthan PML OALP DSF 2 3 1 Cambay OALP 1 Mahanadi OALP 6 Kerala Konkan OALP

50%

countries 41 MMTOE 2P reserves; $4B investment commitment Producing Assets Russia, License-61 (50%), 4,991 km2 Russia, JC Vankorneft (~8%), 1,869 km2 Russia, LLC TYNGD (~10%), 1,424 km2 Venezuela

8%

vestment commitment Producing Assets Russia, License-61 (50%), 4,991 km2 Russia, JC Vankorneft (~8%), 1,869 km2 Russia, LLC TYNGD (~10%), 1,424 km2 Venezuela, Carabobo (3.5%), 383 km2 Development

10%

s Russia, License-61 (50%), 4,991 km2 Russia, JC Vankorneft (~8%), 1,869 km2 Russia, LLC TYNGD (~10%), 1,424 km2 Venezuela, Carabobo (3.5%), 383 km2 Development Assets Mozambique, Area 1 (4%), 4,97

3.5%

Russia, JC Vankorneft (~8%), 1,869 km2 Russia, LLC TYNGD (~10%), 1,424 km2 Venezuela, Carabobo (3.5%), 383 km2 Development Assets Mozambique, Area 1 (4%), 4,977 km2 Exploratory Assets Libya, Area

4%

NGD (~10%), 1,424 km2 Venezuela, Carabobo (3.5%), 383 km2 Development Assets Mozambique, Area 1 (4%), 4,977 km2 Exploratory Assets Libya, Area 95/96 (25%), 6,629 km2 6 C O M P A N Y O V E R V I E

25%

km2 Development Assets Mozambique, Area 1 (4%), 4,977 km2 Exploratory Assets Libya, Area 95/96 (25%), 6,629 km2 6 C O M P A N Y O V E R V I E W Strategic JVs and Subsidiaries broaden our reach and

“km (3D) 5 years cumulative 51.5 22.5 92.9 17,365 224 237 145 163 191 114 6,555 3,512 5,281 2,030 1,379 77 79 74 FY15 FY20 FY25 FY11-15 FY16-20 FY21-25 Cumulative 2D Cumulative 3D FY11-15 FY16-20 FY21-25 Development Exploratory OIL’s operations are leading to an increase in India Resource Base.”

“In FY25 OIL’s domestic 2P reserves include: 69 MMTOE of Crude Oil 121 MMTOE of natural gas 28 S T R A T E G Y & O P E R A T I O N A L P E R F O R M A N C E 1 OIL is evaluating blocks offered as part of upcoming OALP and DSF Rounds to drive future growth OALP ROUND X: 1.9L sq.”

“11 in-house Field/Reservoir Management Production 18 Patents held till FY25 15+ 22 Drilling rigs incl.”

“Vs $3.82/bbl.) Healthy leverage ratio On-shore 5,814 • Funding raised only for Mozambique, Russia • All other capex & investments from internal accruals • D/E ratio: 27% (standalone), 55% (consolidated) for FY25 Sound debt servicing capability • No default in debt servicing in the past; repaid NRL on or before due date FY25A FY26P 2026P • FY25 Interest service coverage ratio of ~12X (consolidated) In addition, FY26P capex for NRL of INR 9,133 Cr.”

Ref.

1

Domestic Production

1

International Production

1

Pan India

1

NE Region

1

Ref.

Sir / Madam, Requlation 30 of SEBI llistinq Obliqations & Disclosure Requirements (LODR) I Requlations. 201S We write further to our letter of even no. dated 20.05.2025 relating to lnvestors' and Analysts, Meet - 2025 scheduled today i.e. on wednesday,2}rn May,2025,4:00 p.m. onwards and submit herewith the Presentation of the Meet, in pursuant to Regulation 30 of the SEBI (LODR)l Regulations, 2015 This is for your information & records please. Thanking you, Yours faithfully For Oil lndia Limited A.K. Sahoo Company Secretary & Compliance Officer d#qdorqfdqgfuqmd,Eqrra.,3rsd, /Regd. Office Duliajan, Pin - 786602, Dibrugarh, Assam, Tel.: +913742804510, +913742800427 Web: www.oll-lndla.com I CIN - L11101AS1959GO1001148 Conquering Newer Horizons Investor presentation M A Y 2 0 2 5 Disclaimer • This presentation is prepared by Oil India Limited (the “Company”) for general information purposes only, without regard to specific objectives, suitability, financial situations and needs of any part

International Production

Oil: 1.19 MMT; Gas: 0.91 MMTOE Transportation Capacity 3700+ km pipeline Refining Capacity (NRL) 3 MMTPA Domestic E&P International E&P Transportation Downstream RE Capacity 2 GW New Energy Domestic Upstream International Upstream Crude Oil Refining & marketing Wind Energy 62 E&P blocks spanning ~93K sq.km. 7 Countries 1,247 km existing NBPL Pipeline2 9.6 MMT existing NBPL capacity 3 MMTPA refining capacity with expansion to 9 MMTPA by Dec 2025 174 MW in Rajasthan, Gujarat and MP 69 MMT 2P Oil reserves 121 MMTOE 2P Gas reserves Crude Oil 48 Major installations 270 km Delivery pipelines Natural Gas 29 Installations 730 km Gas distribution pipelines 10 Assets (4 producing, 2 development, 4 exploration) 9 MMT capacity PNCPL pipeline underway Petrochemicals 39.6K Sq.km. 21 MMT 20 MMTOE Acreage across 10 assets 2P Oil reserves Petroleum products 1.72 MMTPA NSPL pipeline 2P Gas reserves 654 km NSPL pipeline 5.5 MMTPA NSPL capacity expansion by 2025 Natural Gas 192 km DNPL pipeline 1,656 km I

NE Region

84 Note: (1) FY25 production includes 6.71 MMTOE from Domestic and 2.1 from Overseas assets Scaled exploration and execution readiness Right partnerships for execution Technology led efficiency leverage Exploration tech & well footprint expansion • Airborne gravity gradient magnetic survey for inaccessible areas • 17 out of 84 exploratory wells in north-east region at >4500m depth Rig and Gas Infrastructure Deep water offshore capabilities Production Enhancement Contracts Concurrent Seismic & Drilling and ERD Lower quartile on-shore lifting cost • 10 additional rigs to be deployed till 2030 (NE: 7, Rajasthan: 1, Mahanadi: 1, Kerala:1) • Gas infra expansion incl. pipelines (IGGL, DNPL, KK), gas treatment (Dandewala) and storage (NK) • Collaboration with TotalEnergies for stratigraphic well design for deep-water exploration in Mahanadi and Andaman • 5 areas under 15-year PEC: Borbil, Rajali, Mechaki, West Balimara, and Duliajan marginal fields • Well interventions including workovers • R