Anton Oilfield Services GroupHKEX: 3337

2025 Annual Results Presentation

· Issued by Anton Oilfield Services Group

2025 Annual Results Release

1

March 29, 2026



2025 Performance Review

Contents

2026 Outlook

2

Q&A



Overview of Performance

Revenue Profit Attributable to Equity Holders Free Cash Flow

(RMB million) (RMB million) (RMB million)

5,571.7

17.2% 53.8%

373.1 1,043.4

6.5%

979.7

4,753.9

242.6

2024 2025

2024 2025

2024 2025

3



Performance Highlights
  1. Completed USD bond repayment, strong cash flow, ample cash on hand

  2. Business model continuously upgraded, with all three segments growing steadily

  3. Steady growth in three major markets, with continuous breakthroughs in global new markets

  4. Global deployment with digital-driven high efficiency in operations

  5. Actively enhanced shareholder returns with lifted dividends and share repurchases

  6. Consistently winning ESG and governance awards, to be a model of green development

4



Completed USD bond repayment, strong cash flow, ample cash on hand

Sound financial management

Full repayment of USD bond

Free cash flow hit a new high

Ample cash on hand

Unit: USD million Unit: RMB million Unit: RMB

  • Centered on cash flow-driven operations

  • Deepening Amoeba Management

  • Full-lifecycle cash flow management

594.1

328.5

115.4

63.1

0.0

979.7

1,043.4

499.5

Free Cash Flow for 2023-2025

Cash on hand:

2.61 billion RMB

12/31/201912/31/202112/31/202312/31/2024 1/24/2025

2023 2024 2025

5



Business model continuously upgraded, with all three segments growing steadily

(RMB million)

Revenue for the three segments

2,820.4

268.0

New business in

+8.2%

Share: 4.8%

  • Natural gas and new energy infrastructure: +8.1%

  • Dhufriyah Oilfield has commenced drilling

    2,339.0

    247.8

    Emerging business

    experiencing rapid growth

    +20.6%

    early-stage development

    Share: 50.6%

    • Digital intelligence technical services: +95.1%

    • Energy project management services: +18.9%

    • Inspection services: +15.3%

      Traditional advantageous business

      2,167.1

      are growing steadily

      +14.6%

      2,483.3

      Share: 44.6%

    • Well-completion technical services: +24.2%

    • Drilling technical services: +14.0%

    • Stimulation technical services: +10.8%

Smart Management Services Ene

rgy Asset Management Business

2025 2026

Energy Asset Operation Business

Integrated Oilfield Technical Services Intelligent Management Services

*Note: In 2025, the Group systematically integrated and restructured its existing business segments-oilfield technical services, oilfield management services, inspection services, and drilling rig services-to further extend the value of the industrial chain and comprehensively meet the diverse needs of clients' energy assets across various scenarios.

The new business matrix has been upgraded into three core modules: integrated oilfield technical services, intelligent management services, and energy asset operation business.

6

2024

2025



Steady growth in three major markets, with continuous breakthroughs in global new markets

(RMB million)

Revenue for the three markets

Continuous breakthroughs in new global markets

2,601.4

489.7

+12.2%

Developing markets

+21.0%

Share: 9.9%

3,148.8

549.5

Emerging markets

Share: 56.5%

Global New Areas: Achieved Numerous New Market Breakthroughs

Kuwait

  • Obtained market access qualifications and officially entered the market;

  • Bidding for multiple projects in energy project management services, drilling fluids, and well-completion

Algeria

  • Achieved breakthroughs in an oilfield technical services project

    Saudi Arabia

  • Completed pre-qualification for a natural gas infrastructure project and is currently participating in the bidding process

    Sarawak, Malaysia

  • Launched the first natural gas utilization project

    +12.7%

    Traditional

    advantageous markets

    1,662.8 1,873.5

    Iraq: Continued Rapid Growth

Share: 33.6%

  • Major project breakthroughs achieved in multiple giant oilfields in southern Iraq

  • Energy project management services now cover multiple major oilfields in Iraq

    2024 2025

    China Iraq Global New Areas

    China: Maintained Core Competitive Edge ,Steady Growth

  • Operations centered on boosting natural gas production and efficiency, resulting in steady revenue growth.

7



Global, Efficient Operations

Global deployment with digital-driven high efficiency in operations

September 2025: New office at the global headquarters in Dubai opened

Dubai

Global Operations Center

Global Deployment &

Digital-driven efficiency

Mainland China

Technology and Raw Materials

February 2026: New Beijing office opened

India

Supply Chain Resources

Hong Kong, China

Financial Resources

June 2025: New Hong Kong office opened; treasury company iofficially established



Actively enhanced shareholder returns with lifted dividends and share repurchases

Consistent Growth in Dividend Payouts

Dividends for 2023-2025

Unit: 10,000 RMB

11,200

Continuous Improvement in Earnings Per Share

Earnings per Share (EPS) for 2023-2025

Unit: thousand RMB per share ↑60.4%

0.137

3,900

7,300

Implement Group dividend and share repayment policy, enhancing shareholder

0.068

0.085

2023 2024 2025

returns

2023 2024 2025

Plans to pay a dividend of approximately RMB 112.0 million in 2025

Share repurchases of

83.7 million shares in 2025

9



Consistently winning ESG and governance awards

Pursuing Excellence in Management, Integrating Sustainability into Business Operations

Re-selected in the S&P Global "Sustainability Yearbook (China Edition) "

Re-selected as one of the "Outstanding Management Companies in China"

Honored with TVB's "ESG Special Recognition - Merit"

10



2025 Performance Review Contents

2026 Outlook

11

Q&A



Outlook for 2026

  1. Continuously upgrade our strategic positioning for sustainable development

  2. Building an open, collaborative, platform-based ecosystem

  3. Delivering innovative, customized solutions that address customer pain points

  4. Seizing new global opportunities and expand into new markets

    6

  5. Continuously developing a Cash-Flow-Driven, High-Efficiency business model

  6. Fostering a partnership-driven entrepreneurial culture and agile organization

12



Continuously upgrade our strategic positioning for sustainable development

2.5 billion

3

3.5 billion

US-Israel-Iran War

5.5 billion

Revenue (in billions RMB)

International Oil Prices

$16-$140 /barrel

2013

China's leading oilfield technical company

International Oil Price

$40 /barrel

1.6 billion

2019

A global leader in oilfield technical company

COVID-19

2.9 billion

2025

An innovative, globally leading integrated oilfield technicalservices company

2026-2030

A global leading integrated service platform company for oil&gas asset value enhancement solutions

After 2030

A global leading integrated service platform company for energy asset value enhancement solutions

1999 2013 2019

December 31, 2025

2030

13



Building an open, collaborative, platform-based ecosystem.

Open Collaboration · Industry Empowerment · Global Markets · Collaborative Development

OSS

Deep Earth

Intelligence

Technology

Research

Institute

Tongsheng

Drilling

Sichuan

Anton

EASY

Energy

T-ALL

Inspection

Research

Institute

Oil & Gas

Development

Company

Digital Intelligent

Group

ADO DIGITAL

ENERGY

Precede

Global Strategic Partners

Ecosystem Investment and

Financing Partners

Joint R&D Institutions

Iraq Market

Domestic Market

Regional partner

Other overseas

14



Delivering innovative, customized solutions that address customer pain points

Integrated Oilfield Technical Services

Traditional Advantage Industries The Cornerstone of Stable Growth

Focusing on Reservoir Optimization

  • Specialized Technologies Centered on Reservoir Optimization

  • Secondary Development of Mature Oilfields

Intelligent Management Services

Emerging Industries Engine of Rapid Growth

With Energy project management as the Core

  • Supported by digitalization and inspection synergies

  • Continue to advance the independent listing of the inspection business segment

Energy Asset Operation Business

A New Industry

A Blue Ocean for Future Growth

  • The Dhufriyah project is progressing rapidly;

  • in 2026, the focus will be to fulfill the drilling targets

  • EASY Energy: Continued promotion of natural gas infrastructure investment and operations + utilization of power and computing resources

China's Competitive Advantages

15



Seizing new global opportunities and expand into new markets

GCC Market

(Saudi Arabia, United Arab Emirates, Kuwait, Qatar)

North African Market

(Algeria, Tunisia)

Southeast Asian Market

(Indonesia, Malaysia)

  • Post-war Reconstruction

    • Expanding Oil & Gas

Development

  • Expanding Resource

Development

  • Opportunities for Increased Production and Efficiency

  • Enhancing Energy Security

  • Accelerating the Transition to

    Natural Gas

    The Iraq Market

    Chinese Market

  • Full-scale resumption of production + increased

    production

  • Oil & Gas Industry Reform

    • Energy Transition

    • Electricity Development

16



Continuously developing a Cash-Flow-Driven, High-Efficiency business model

Continuously Generating Healthy Cash Flow

Core business developed with light assets

Amoeba Management

Financialization of Business

Platform-based, Ecosystem-oriented Structure

17



Fostering a partnership-driven entrepreneurial culture and agile organization

Entrepreneurial Culture + Partnership Mechanism

Shared Benefits, Shared Risks Attracting Talent, Driving Growth

Highly dynamic and agile organization

BUSINESS

SUCCESS

Breaking Down Boundaries Through a Platform-Based Organizational Structure Making collaboration an organizational instinct

Data-Driven Management

Fully remote work, fully digitized data, and AI-enabled operations

Early-Stage Metrics Operational Excellence

Data-Driven, Amoeba Management

Making Growth Measurable and Manageable

Green and Sustainable Development

Improving Energy Efficiency

Putting the concept of green and low-carbon development into practice

18



2025 Performance Review Contents 2026 Outlook

19

Q&A



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