Hindustan Oil Exploration Company Limited

Rae Served As A Whole

time member of the 7th Central Pay commission and was on the Board of Indian Oil

rs,

ode: HINDOILEXP The Corporate Relationship Department BSE Limited, 1st Floor, P. Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001 Stock Code: 500186 Dear Sir/Madam Sub: Investor presentation P

100%

622 7,895 7,496 9,583 2,428 FY 18 FY 19 FY 20 FY 21 FY 22 H1 FY23 Q3 FY23 > 100% 27 Months 4.5 Years 5 yr Gross Production CAGR Dirok (Assam) – FDP to First Gas Timeline B-80

rs 5

583 2,428 FY 18 FY 19 FY 20 FY 21 FY 22 H1 FY23 Q3 FY23 > 100% 27 Months 4.5 Years 5 yr Gross Production CAGR Dirok (Assam) – FDP to First Gas Timeline B-80 (Western Offshore) – FDP t

15%

t 33 mmscfd Gas Production 613 bopd Condensate Production (Q3-FY23) (Q3-FY23) Field Layout > 15% Assam Gas Production • Premium sales during Q3 FY 2022-23 constitute about 36% of total Dirok sa

36%

Field Layout > 15% Assam Gas Production • Premium sales during Q3 FY 2022-23 constitute about 36% of total Dirok sales • Central PSU Indradhanush Gas Grid Limited (IGGL) is expected to complete No

30%

roduced in this field 10 Kharsang: Phase I Development Plan 439 boepd Oil Production (Q3-FY23) 30% Direct + Indirect PI 18 Number of Wells to be drilled in near future Field Overview • HOEC ac

21%

and acquisition for FDP is under implementation • Field under shutdown since July 2011. • HOEC has 21% non-operating stake in PY-3. Operates PY-1 Gas field with an offshore platform and onshore processi

rs 40

g location identified, Land scouting & Preliminary EIA studies to be initiated. HOEC PI JV Partners 40% 10% 21% 100% 13 FINANCIAL OVERVIEW 14 Standalone Statement of Profit or Loss PARTICULARS (

10%

n identified, Land scouting & Preliminary EIA studies to be initiated. HOEC PI JV Partners 40% 10% 21% 100% 13 FINANCIAL OVERVIEW 14 Standalone Statement of Profit or Loss PARTICULARS (INR Cr

Rs 10

for the period Other comprehensive income Total comprehensive income Earnings per equity share of Rs 10 each - Basic - Diluted Q3-FY23 Q2-FY23 101.34 5.03 106.37 60.34 17.70 (16.60) 0.13 8.01 2.18 7

30.00%

5.15 18 GRAND TOTAL - EQUITIES & LIABILITIES 1,627.31 1,527.24 1,185.15 Capital Market Data 30.00% 20.00% 10.00% 0.00% -10.00% -20.00% -30.00% -40.00% Jan-22 Feb-22 Mar-22 Apr-22 May-22 Ju

20.00%

GRAND TOTAL - EQUITIES & LIABILITIES 1,627.31 1,527.24 1,185.15 Capital Market Data 30.00% 20.00% 10.00% 0.00% -10.00% -20.00% -30.00% -40.00% Jan-22 Feb-22 Mar-22 Apr-22 May-22 Jun-22 Ju

“The revenue share for intermediate points will be calculated by linear interpolation.”

Approved FDP to be executed over the next two years

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Valorem Advisors Disclaimer

1

Approved FDP to be executed over the next two years

• Asjol: 2 development wells & hook-up to EPS; public hearing completed • North Balol: 2 development wells & hook-up to GCS, public hearing completed • Palej: RFPSC (100 sq.km. 3D seismic & 2 exploration wells – JV signed RFPSC submitted to MOPNG through DGH) • Small volume of Associated Natural Gas (ANG) sale commenced to achieve zero flaring Asjol JV Partner CB-ON/7 (Palej) JV Partners North Balol JV Partners GNRL Cambay Cambay Gujarat 12 Other Blocks Kherem Umatara PY-3 • Block awarded under DSF - 2016 • Tested - Oil 402 bopd • Field Plan- 2 wells to be completed in 3 years from date of receiving PML • Forest Clearance (FC) in final stages. NoC for FRA obtained, PML to be processed after FC. • Block awarded under DSF – 2018. • Located at 50 km from Dirok field • • Environmental Clearance granted on 22 April 2022. Tendering process Jointly operated by IOC (Lead operator) & HOEC & land acquisition for FDP is under implementation • Field under shutdown since July 2011. • HOEC has 21% n

Valorem Advisors Disclaimer

Valorem Advisors is an Independent Investor Relations Management Service company. This Presentation has been prepared by Valorem Advisors based on information and data which the Company considers reliable, but Valorem Advisors and the Company makes no representation or warranty, express or implied, whatsoever, and no reliance shall be placed on, the truth, accuracy, completeness, fairness and reasonableness of the contents of this Presentation. This Presentation may not be all inclusive and may not contain all of the information that you may consider material. Any liability in respect of the contents of, or any omission from, this Presentation is expressly excluded. Valorem Advisors also hereby certifies that the directors or employees of Valorem Advisors do not own any stock in personal or company capacity of the Company under review. For further information please contact our Investor Relations Representatives: Mr. Anuj Sonpal Valorem Advisors Tel: +91-22-4903-9500 Email: hoec@valore