Sintana Energy Inc. · TSXV:SEI
Sintana Energy — OTC Markets Oil & Gas Investor Virtual Conference 2026
24 slides from Sintana Energy's conference presentation, Apr 16, 2026
Slide 1: Capital-Efficient Exposure across the Atlantic Margin
Exploring A Better Way Capital-Efficient Exposure across the Atlantic Margin SINTANA ENERGY INC. OTC MARKETS OIL & GAS INVESTOR VIRTUAL CONFERENCE 16 April 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 in troductory information on the Company and its projects and prospects. This Presentation should not be considered as
Slide 3: Frontier exploration in high-impact locations
Frontier exploration in high-impact locations Sintana holds a portfolio of interests in high potential blocks in Namibia, Uruguay, Angola – exposure to three active regions at complementary stages of progress Capital efficient business model with carried exposure by industry leading partners, includ
Slide 4: Investment Case: A repeatable model for asymmetric returns
Investment Case: A repeatable model for asymmetric returns DOWNSIDE PROTECTION UPSIDE POTENTIAL EXECUTION CAPABILITY Unlike typical pure-play exploration Potential for >$1bn in value creation Sintana’s management, Board and companies, Sintana’s downside case is over 3-5 years (~5x value uplift on ma
Slide 5: PEL 83 Mopane: World-class, Super-major operated, carried through development
PEL 83 | Mopane: World-class, Super-major operated, carried through development World-Class discoveries • 5 wells drilled, 100% success • C. 1.3 billion barrels discovered to date • 14,000 boepd constrained flow test Super-major operated on track for development • TotalEnergies farmed-in for 40% ope
Slide 6: PEL 83 Mopane Phase 1 alone supports Sintana's Entire Current Market Capitalization
PEL 83 | Mopane “Phase 1” alone supports Sintana’s Entire Current Market Capitalization MOPANE “PHASE I’ VALUE VS. CURRENT MARKET CAPITALIZATION $300 Broker Valuation Broker Value Transaction Value $242 NPV10 Value (≈ $242m)(1) $250 $240 (~$195M)(3) Market Cap Transaction Average risked value Value
Slide 7: Value Bridge: Current Valuation Reflects Only a Fraction of Potential
Value Bridge | Current Valuation Reflects Only a Fraction of Potential Asset-based Value Current broker value1 Mopane Phase I value1,2,3 Exploration and appraisal success case value4,5,6 1,400 Late 2026-2027 well 1,200 2028+ well 3 E&A wells in 1,000 2026-2027 Late 2026-2027 wells 800 Additional US$
Slide 8: PEL 83 Significant Upside Beyond Mopane Phase I
PEL 83 | Significant Upside Beyond Mopane “Phase I” Not Reflected in Current Sintana Valuation Zero incremental capital risk and full upside exposure Mopane Phase I Anchors Current Valuation TotalEnergies’ Development Pathway for Mopane • Mopane Phase I value: ~$195–242M(1) Q4 26 Q1 27 Q2 27 Q3 27 E
Slide 9: Portfolio: Exposure to High-impact Assets, with significant financial carries
Portfolio | Exposure to High-impact Assets, with significant financial carries in place KEY PORTFOLIO ASSETS OPERATED BY INDUSTRY MAJORS ANGOLA NAMIBIA KON- PEL 83 TotalEnergies1 16 Orange Basin 4.9% indirect interest Mopane Operator Elect PEL 90 Orange Basin Chevron 4.9% indirect interest PEL 87 Or
Slide 10: Exploration Portfolio Upside: Minimal capital at risk provides asymmetric exposure
Exploration Portfolio Upside: Minimal capital at risk provides asymmetric exposure Most assets are carried or require limited capital for exposure to outsize outcomes Potential Success Asset Capital at Risk Value Outcome THREE SINTANA BLOCKS ARE IN Mopane expansion (1) ~$0 (carried) ~$105M+ WESTWOOD
Slide 11: Key Catalysts Roadmap
Key Catalysts Roadmap NAMIBIA URUGUAY NAMIBIA URUGUAY NAMIBIA PEL83: AREA OFF-1: PEL83: AREA OFF-1: PEL83: FID exploration well season 1 3D seismic two additional season 2 3D (Mopane, Orange Basin, (Mopane, Orange Basin, acquisition and exploration wells seismic TotalEnergies) TotalEnergies) interpr
Slide 12: Why Invest? A Repeatable Model for Asymmetric Returns
Why Invest? | A Repeatable Model for Asymmetric Returns LIMITED DOWNSIDE. MULTIPLE HIGH-IMPACT UPSIDE OUTCOMES. VALUATION FLOOR ASYMMETRIC EXPOSURE MULTI-WELL CATALYSTS Mopane “Phase I” (~$195–242M) $0–6M capital per asset → $70M– 5–10 high-impact wells across underpins current market $300M+ outcome
Slide 13: Contacts
Thank you Contacts Investor Relations Jonathan Paterson Harbor Access Jonathan.Paterson@harbor-access.com +1 475 477 9401 TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com
Slide 14: Executive Directors & Senior Management
Executive Directors & Senior Management ROBERT BOSE EYTAN ULIEL CEO & EXECUTIVE DIRECTOR PRESIDENT & EXECUTIVE DIRECTOR >27 years’ experience. Managing Member of >25 years’ industry experience. Former CEO of Charlestown Energy Partners, a private investment Challenger from May 2021, Commercial Direc
Slide 15: Non-Executive Directors
Non-Executive Directors KEITH SPICKELMIER 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 16: Demonstrated Management Track Record in creating shareholder value
Demonstrated Management Track Record in creating shareholder value SINTANA ENERGY PERFORMANCE 140 Period: 2019-01-02 → 2026-03-30 120 Start: 7.00 | End: 53.00 Change: 46.00 = + 657.1% Robert Bose CLOSING PRICE 100 becomes CEO Multiple: 7.57x 80 Robert Bose becomes President 60 Robert Bose joins Boar
Slide 17: Market Information
Market Information CAPITAL STRUCTURE SHARE OWNERSHIP 13% Toronto - TSXV: SEI Insiders Tickers London – LSE AIM: SEI 5% New York - OTCQB: SEUSF Major Holders Issued shares ~514m Shareholders 82% Options / RSUs on issue ~23m Market cap @ C$0.55 per share1 C$280m / $205m SINTANA ENERGY INC. TSXV | SEI
Slide 18: Additional Materials
Additional Materials TSX: SEI LSE: SEI OTC: SEUSF sintanaenergy.com
Slide 19: PEL 82 Carried Exposure to Basin-Opening Well with ~$149M Potential Upside
PEL 82 | Carried Exposure to Basin-Opening Well with ~$149M Potential Upside Basin opening drilling with significant value potential • Sintana holds a 4.9% indirect interest in PEL 82 (Chevron operated) • Chevron planning on drilling Gemsbok-1 exploration well (likely 2027) • Basin-opening play with
Slide 20: PEL 90 $6M - $9M Exposure for Potential Upside of ~$161M
PEL 90 | $6M - $9M Exposure for Potential Upside of ~$161M High-impact Nabba-1 deepwater exploration well • Sintana holds a 4.9% indirect interest in PEL 90 (Chevron operator) • Chevron is planning to drill the Nabba-1 deepwater exploration well (likely late 2026 / early 2027) • Targeting basin floo
Slide 21: Uruguay AREA OFF-1 High-impact exploration block
Uruguay AREA OFF-1 | High-impact exploration block Potential Upside of ~$271M Chevron-operated block targeting >1 bnboe potential • Sintana has a 40% working interest, block operated by Chevron • Two primary prospects: Teru Teru and Anapero • ~1.3 Bn bbl prospective resource (Pmean); Upside potentia
Slide 22: Angola KON-16 Discovery Could deliver Potential Upside of ~$76M
Angola KON-16 | Discovery Could deliver Potential Upside of ~$76M Offshore-scale upside with onshore cost structure • Located in Kwanza Basin analogue with historic hydrocarbon discoveries • Targeting pre-salt and post-salt reservoirs • Corcel-operated, initial well planned 2026–2027 • Sintana has a
Slide 23: PEL 37 Leveraged Exposure to Walvis Basin Success
PEL 37 | Leveraged Exposure to Walvis Basin Success via Adjacent PEL 37 Low-cost, high-leverage exposure to basin-opening success at PEL 82 • LOI with Paragon: exclusivity to April 2026, potential 30% stake • Adjacent to PEL 82 basin-opening well • On-trend with recent successful Walvis Basin discov
Slide 24: Uruguay OFF-3 Advancing Farm-Out to Unlock Basin-Scale Value
Uruguay OFF-3 | Advancing Farm-Out to Unlock Basin-Scale Value Active farm-out process to secure a drilling partner / funding, and unlock value • 100% operated interest • Two primary prospects: Benteveo and Amalia • ~418 MMbbls (Pmean), upside to ~955 MMbbls (P10)~2,000 km² reprocessed 3D seismic en
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