Sintana Energy Inc. · TSXV:SEI
Sintana Energy — Investor Presentation (December 2025)
55 slides from Sintana Energy's investor presentation, December 2025
Slide 1: Exploring A Better Way
Exploring A Better Way SINTANA ENERGY INC. CORPORATE PRESENTATION Q4, 2025 – Q1, 2026 TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com
Slide 2: Disclaimer & Forward-Looking Statements
Disclaimer & Forward-Looking Statements This presentation (“Presentation”) has been prepared by Sintana Energy Inc (“Sintana” or the “Company”) solely for the purposes of providing introductory information on the Company and its projects and prospects. This Presentation should not be considered as t
Slide 3: Overview
Overview We manage a focused portfolio of high-impact Atlantic-margin oil and gas assets in active offshore frontiers, employing a disciplined, capital-efficient model focused on long- term value creation TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com 3
Slide 4: Strategy
Strategy Our strategy is to secure early-stage exposure to world-class, Atlantic-margin oil and gas assets with significant value upside structured to minimize capital requirements We seek early access to frontier Our approach relies on partnership-driven We offer a clear path to value creation, opp
Slide 5: South Atlantic Margin Geological Context
South Atlantic Margin Geological Context PROVEN PETROLEUM SYSTEM, EXPANDING FRONTIER Basins of Namibia, Angola and South Africa and of Uruguay, Southern Brazil and Northern Argentina 120 MILLION YEARS AGO… form a conjugate system created when Africa and CRETACEOUS APTIAN South America separated ~120
Slide 6: Portfolio Overview
Portfolio Overview Sintana Energy’s diversified portfolio offers exposure to “best in class” high-impact assets in multiple Atlantic-margin hotspots Namibia offshore, Orange Basin Licences • PEL 83 4.9% indirect interest, TotalEnergies operator(1) • PEL 87 7.35% indirect interest, Pancontinental ope
Slide 7: Portfolio Highlights
Portfolio Highlights Balanced Exposure • Interests in nine licences in Namibia, Uruguay, and Angola(1) Strategic Partnerships • Exposure to five distinct geological basins with Industry Leaders • Exposure to a wide variety of play types and risk profiles CHEVRON operator of AREA OFF-1, • High-levels
Slide 8: Namibia Portfolio
Namibia Portfolio A CORE, ESTABLISHED POSITION in one of the world’s most active “frontier” exploration regions PEL 83 MOPANE DISCOVERY (TOTALENERGIES, OPERATOR) (1) Established world-class light oil discovery; appraisal wells confirmed the extent, quality, and commercial significance of the find. T
Slide 9: Namibia Licence Showcase | PEL 83
Namibia Licence showcase | PEL 83 • Indirect 4.9% non-operating stake in PEL 83, offshore Namibia • 40% stake held by TotalEnergies(1), the operator, 40% by Galp, 10% by Namcor & 10% by Custos (local partner, of which Sintana holds 49%) – Namcor and Custos carried to first oil • Highly prospective b
Slide 10: Uruguay Portfolio
Uruguay Portfolio THE ONLY NON-MAJOR POSITIONED in a rapidly emerging frontier exploration hotspot TWO LARGE OFFSHORE LICENCES WITH RUNNING RUNNING ROOM • AREA OFF-1: 14,557 Km²; 40% Sintana, 60% Chevron; Chevron is operator • AREA OFF-3: 13,252 Km²; 100% Sintana, Sintana is operator • TOTAL ACREAGE
Slide 11: Uruguay Licence Showcase | AREA OFF-1
Uruguay Licence showcase | AREA OFF-1 • Direct 40% non-operating stake in AREA OFF-1, offshore Uruguay • Highly prospective block in high activity frontier basin — c. 2bn recoverable resource estimate [P(mean)], with upside of ~5 bnboe EUR [P(10)], from multiple prospects — Surrounded by majors, wit
Slide 12: Multiple Near-Term Value Catalysts
Multiple Near-Term Value Catalysts SINTANA HAS DIRECT EXPOSURE TO OUTCOMES from multiple near-term value catalysts, including potentially +10 wells across portfolio 2026 2027 2028 SINTANA CATALYSTS LOCATION Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 PEL 83 Mopane E&A Drilling Namibia PEL 83 Mopane Development Pl
Slide 13: Why Invest in Sintana Energy?
Why Invest in Sintana Energy? A HIGH-QUALITY & DIVERSE PORTFOLIO ✓ Material resource opportunities across different geographies, geologies, operators, basins, play types, and carry structures ✓ Underpinned by Mopane - a world-class discovery moving toward development INDUSTRY VALIDATION ✓ Majors inc
Slide 14: Contact Information
TSX Venture 50 The Top 50 #1 RANKED Performers ENERGY COMPANY On TSXV CONTACT INFORMATION Robert Bose - CEO Investor Relations: rbose@sintanaenergy.com HARBOR ACCESS Jonathan Paterson, Managing Partner Eytan Uliel – President jonathan.paterson@harbor-access.com euliel@sintanaenergy.com +1 475 477 94
Slide 15: Competent Person Statement
Competent Person Statement Technical work referred to in this presentation has been undertaken by various independent third- party specialist advisors, as indicated. This technical work has been overseen by Mr. Randolph Hiscock, the Company’s Technical Lead. In accordance with the AIM Note for Minin
Slide 16: Corporate
CORPORATE ADDITIONAL MATERIALS TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com
Slide 17: Market Information
Market Information CAPITAL STRUCTURE SHARE OWNERSHIP 13% TSX: SEI Insiders Tickers LSE: SEI 5% OTC: SEUSF Major Holders Issued shares ~512m Shareholders 82% Options / warrants on issue ~24m Market cap @ CAD$0.45 per share ~CAD$230m SINTANA ENERGY INC. TSX-V | SEI ($CDN) $1.50 $1.25 $1.00 KEY FINANCI
Slide 18: Executive Directors & Senior Management
Executive Directors & Senior Management ROBERT BOSE EYTAN ULIEL CEO & EXECUTIVE DIRECTOR PRESIDENT & EXECUTIVE DIRECTOR Robert Bose is the Managing Member >25 years’ industry experience. Became CEO in of Charlestown Energy Partners, a private May 2021, Commercial Director since 2014. investment comp
Slide 19: Non-Executive Directors
Non-Executive Directors KEITH SPICKELMEIR IAIN McKENDRICK NON-EXECUTIVE CHAIRMAN SENIOR INDEPENDENT Mr. Spickelmier has over 35 years of relevant industry NON-EXECUTIVE DIRECTOR experience. He is the co-founder of Sintana, and has been a Mr. McKendrick has over 30 years of relevant industry experien
Slide 20: Namibia
NAMIBIA ADDITIONAL MATERIALS TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com
Slide 21: Namibia Introduction
Namibia Introduction Considered one of the most promising and exciting frontiers for E&P in the world • Namibia is located on the Southern Atlantic coast of Africa, bordered by Angola, Zambia, Botswana and South Africa • 825,615km2 area; 15th largest country in Africa • 3.1 million population; GDP g
Slide 22: Namibia Jurisdiction Highlights
Namibia Jurisdiction Highlights STRONG DEMOCRACY - #5 IN SUB-SAHARA AFRICA Economist Intelligence Unit, 2024 http://www.eiu.com/n/campaigns/democracy-index-2024/ Namibia is recognised as one of Africa’s most LOW CORRUPTION - #6 IN SUB-SAHARA AFRICA business-friendly Transparency International, 2024
Slide 23: Namibia Offshore | Geological Setting
Namibia Offshore | Geological Setting Source: Stratagraphic cross section of the Orange Basin, Offshore Namibia, Modified from Jungslager (1999) and Salomo (2011) TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com Source: Galp Energia News Releases, Wood Mackenzie’s 2025 Annual Exploration Survey 23
Slide 24: Namibia: A Global Exploration Hotspot
Namibia: A Global Exploration “Hotspot” Recent Successes: significant world-class discoveries by TotalEnergies, Shell, Galp and Rhino have ignited activity Discoveries Appraised: operators have completed drill stem tests (DST) confirming the high reservoir quality of the discoveries Development Plan
Slide 25: Orange Basin Interests | Activity
Orange Basin Interests | Activity ORANGE BASIN BLOCK PEL 79 PEL 83 PEL 87 PEL 90 Operator Namcor Galp Pancontinental Chevron Licence 2815/2915 2813A/2814B 2713 2813B Interest 16.7% (Giraffe)(1) 4.9% (Interoil)(2) 7.3% (Interoil)(2) 4.9% (Interoil)(2) Carry - Until Production Until Development - Lice
Slide 26: 19 Exploration Wells: 14 Discoveries
19 Exploration Wells: 14 Discoveries Orange Basin explorers have achieved exceptional, globally unmatched drilling success rates Wells Drilled Exploration Wells Technical 10 Drilled Success Rate 8 Operator 19 74% 6 Rhino Chevron 4 Galp Appraisal Wells Overall Success 2 Shell Drilled Rate 6 TotalEner
Slide 27: PEL 83 | Mopane Light Oil Discoveries
PEL 83 | Mopane Light Oil Discoveries Significant Light Oil Columns of Good Porosities, High Low Oil Viscosity and Minimum Stacked Reservoirs High-Quality Reservoir Sands Pressures and Permeability CO2 and H2S Concentrations with No Water Contact • TotalEnergies(1) operator 40%; Galp 40%, Namcor 10%
Slide 28: PEL 90 | Chevron Farm-In
PEL 90 | Chevron Farm-In • Chevron farmed into an 80% working interest in PEL 90 and became operator in October 2022 • Completed 6,500 km² 3D seismic survey in mid 2023 at an estimated cost of US$40 million • Chevron received Environmental Clearance Certificate for up to 10 wells; 5 exploration and
Slide 29: PEL 87 | Saturn Super Fan
PEL 87 | Saturn Super Fan • Pancontinental is the operator of PEL 87 with a 75% working interest; Custos holds 15% and Namcor 10% (Sintana – 7.4% through 49% of Custos; carried to FID) • In mid-2023 the operator completed a 6,593 km² 3D seismic survey at an estimated cost of US$35 million • It confi
Slide 30: PEL 79 | Operated by Namcor
PEL 79 | Operated by Namcor • NAMCOR is the operator of PEL 79 with a 67% working interest, Giraffe Energy holds a 33% carried interest (Sintana – 16.2% through 49% of Giraffe + an option to increase its Giraffe ownership to 67%) • PEL 79 is located east of PEL 3, operated by BW Energy, home to the
Slide 31: Kudu | Gas Discovery
KUDU | Gas Discovery • Located in the Orange sub-basin, the Kudu gas field, discovered in 1974 is operated by BW Energy (95% WI) • Between 1974 and 2014, Chevron, Shell, and Tullow drilled a total of 8 wells • BW Energy purchased a semi-submersible rig in Q1/22 to serve as a Floating Production Faci
Slide 32: PEL 82 | Walvis Basin Project
PEL 82 | Walvis Basin Project • Chevron farmed-in to an 80% interest and became operator of PEL 82 in April 2024 • NAMCOR and Custos each hold a carried 10% interest (Sintana 4.9% through 49% of Custos) • 3D seismic coverage (~7,920 km²) spans 70% of the total license area (11,464 km²) • The Wingat-
Slide 33: PEL 103 | Onshore, Waterberg Basin
PEL 103 | Onshore, Waterberg Basin • PEL 103 is located in the North-East corner of Namibia, onshore, in the Waterberg Basin • Apprentice is the operator of PEL 103 with a 90% working interest, Custos holds a 30% carried interest (Sintana – 13.2% through 49% of Custos) • The Waterberg Basin shares s
Slide 34: Uruguay
URUGUAY ADDITIONAL MATERIALS TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com
Slide 35: Uruguay Introduction
Uruguay Introduction A rapidly emerging frontier hotspot with attractive operating conditions and fiscal terms for E&P • Uruguay is located on the Southern Atlantic coast of South America, Brazil to north, Argentina to south & west • 176,215km2 area; 2nd smallest country in South America • 3.4 milli
Slide 36: Uruguay Jurisdiction Highlights
Uruguay Jurisdiction Highlights STRONG DEMOCRACY - #1 IN LATIN AMERICA Economist Intelligence Unit, 2024 http://www.eiu.com/n/campaigns/democracy-index-2024/ Uruguay is widely recognised as the premier LOW CORRUPTION - #1 IN AMERICAS Latin-American country Transparency International, 2024 www.transp
Slide 37: Uruguay Offshore | Geological Context
Uruguay Offshore | Geological Context • Geological similarities between “mega” offshore Namibia discoveries and the Uruguay conjugate margin have been seismically correlated • Confirms the potential for a prolific new petroleum system in Uruguay’s offshore, including Sintana’s blocks URUGUAY NAMIBIA
Slide 38: Uruguay is a New Global Exploration Hotspot
Uruguay is a New Global Exploration “Hotspot” The geological significance of Namibian discoveries has led to Uruguay becoming an exploration “hotspot”: in under 3 years, Uruguay’s offshore has gone from zero to fully licenced and, with the exception of Sintana, all to supermajors/NOCs • Sintana was
Slide 39: Uruguay Offshore Assets in Context
Uruguay Offshore Assets: in Context • Uruguay offshore is now 100% licensed URUGUAY attracting major energy players and Net Acreage by Company sizeable investments • Substantial investment commitments 40,000 from licence holders, expected to exceed 35,000 $200m in the coming years 30,000 • Sintana h
Slide 40: Regional E&P Environment
Regional E&P Environment • Equinor and YPF acquired 3D seismic in northern Argentina block CAN-102 in 2024; other operators acquiring seismic in 2025 / 2026 • Adjacent areas in Brazil’s Pelotas Basin, proximal to Uruguay (and directly proximal to AREA OFF-3), were awarded in two recent licencing rou
Slide 41: Uruguay – High Activity Commercial Landscape
U r u g u a y– High Uruguay – H i gActivity h A c t i vCommercial i t y C o m m eLandscape rcia l La ndscape The commercial landscape in Uruguay is rapidly evolving, with majors in process of farming into acreage across the Uruguay offshore, and APA preparing for deepwater drilling in late 2026 Qata
Slide 42: Uruguay Assets | Summary Details
Uruguay Assets | Summary Details AREA OFF-1 AREA OFF-3 SETTING o Basin: Punta del Este o Basin: Pelotas o Distance offshore: 100 to 200 kms o Distance offshore: 75 to 150 kms o Water depth: 50 to 800 metres o Water depth: 25 to 1,000 metres DATA SET o Wells: Lobo and Gaviotin (1970’s) o Wells: None
Slide 43: AREA OFF-1 | Overview
AREA OFF-1 | Overview HISTORY • Awarded block in June 2020; licence signed May 2022 • First four-year exploration period commenced August 2022 ATTRIBUTES • Large (14,557 km2); relatively shallow water depth: 50 to 800 meters • Existing 2D seismic database • Modest work commitment – 2,000 kms of 2D s
Slide 44: AREA OFF-1 | Prospects & Volumes Summary
AREA OFF-1 | Prospects & Volumes Summary ESTIMATED PROSPECT AREAL EXTENT WATER RESERVOIR EUR (mmboe) NAME P10/50/90 DEPTH TOP DEPTH P10/Pmean/P50/P90 360 / 210 / 106 TERU TERU ~800m 3,810m 1,647 / 740 / 547 / 158 km2 304 / 214 / 101 ANAPERO ~550m 3,400m 1,627 / 670 / 445 / 88 km2 LENTEJA 246 / 85 /
Slide 45: AREA OFF-1 | Strategic Partnership with Chevron
AREA OFF-1 | Strategic Partnership with Chevron Chevron farmed-in as partner/operator on AREA OFF-1 in 2024 READ-THROUGH VALUE FOR AREA OFF-1 • Global supermajor, partner of choice with full operating capability Interest acquired by Chevron 60% • Validation of Sintana’s work, and technical / abovegr
Slide 46: AREA OFF-3 | Overview
AREA OFF-3 | Overview HISTORY • Awarded block in June 2023; Licence signed March 2024 • First four-year exploration period commenced June 2024 ATTRIBUTES • Large (13,252 km2); Relatively shallow water: 25 to 1,000 meters • Existing seismic – both 2D and 3D adequate for prospect and drill location id
Slide 47: AREA OFF-3 | Primary Prospects
AREA OFF-3 | Primary Prospects • Sintana licenced 1,250 km2 3D reprocessed seismic and the enhanced dataset was analyzed AREA for seismic attributes OFF-3 • Multiple anomalous leads were identified from the 3D for AREA interpretation and mapping; two OFF-7 thus far assessed as material and AREA desi
Slide 48: AREA OFF-3 | Primary Prospects Volumes
AREA OFF-3 | Primary Prospects Volumes Volumetrics completed for two primary prospects – Benteveo and Amalia, with estimated STOOIPs / EURs as follows: Estimated Ultimate Recoverable (EUR, mmboe) Name / Anomaly P(10) P(mean) P(50) P(90) AREA Benteveo 526 205 123 23 OFF-3 (Anomaly 5-4) Amalia (Lead S
Slide 49: Angola
ANGOLA ADDITIONAL MATERIALS TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com
Slide 50: Angola Introduction
Angola Introduction Combines rich resources with a stable, investor- friendly E&P environment • Angola is located on the Atlantic coast of Southern Africa, bordered by Namibia, the Republic of the Congo, Zambia and the Democratic Republic of Congo • 1,246,700km2 area; 7th largest country in Africa •
Slide 51: Angola Jurisdiction Highlights
Angola Jurisdiction Highlights DEMOCRACY - #21 IN SUB-SAHARA AFRICA Economist Intelligence Unit, 2024 http://www.eiu.com/n/campaigns/democracy-index-2024/ Angola is a complex jurisdiction, but in recent TACKLING CORRUPTION - #32 IN SUB-SAHARA AFRICA years has been proactively Transparency Internatio
Slide 52: Angola Entry | KON-16 Onshore
ANGOLA ENTRY | KON-16 Onshore • Corcel is the operator of KO-16; Sintana has entered into an agreement to acquire an indirect 5% interest + future royalty interest (transaction expected to complete in 2026) • Located onshore in the Kwanza Basin in Angola, the block covers 1,000 km² area with 6 moder
Slide 53: Legacy Assets
LEGACY ASSETS SEEKING TO EXTRACT VALUE TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com
Slide 54: Colombia's Magdalena Basin | VMM-37 Onshore
COLOMBIA’S MAGDALENA BASIN | VMM-37Onshore • In 2011, Sintana was awarded the licence for Block VMM-37 (43,000 acres) located in the prolific Middle Magdalena Basin • Sintana entered into a farmout agreement with ExxonMobil (ExxonMobil became operator) in 2012 whereby ExxonMobil would pay 100% to ea
Slide 55: The Bahamas | Substantial Offshore Prospects
THE BAHAMAS | Substantial Offshore Prospects • Sintana, via Challenger subsidiaries, holds 100% interest in and is operator of four commercially co‐joined offshore licences in southern territorial waters of The Bahamas • 12,600 km2 adjacent to Cuban border (subject to 50% relinquishment at end of Se
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