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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K/A

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of August, 2025

June 30, 2025

Commission File Number 1-15106

PETRÓLEO BRASILEIRO S.A. – PETROBRAS

(Exact name of registrant as specified in its charter)

Brazilian Petroleum Corporation – PETROBRAS

(Translation of Registrant's name into English)

Avenida Henrique Valadares, 28 – 9th floor
20231-030 – Rio de Janeiro, RJ
Federative Republic of Brazil

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ___X___ Form 40-F _______

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes _______ No___X____

EXPLANATORY NOTE

Petrobras is amending its report on Form 6-K furnished to the Securities and Exchange Commission on August 8, 2025 (File/Film Number: 001-15106 / 251196802) (the “Original 6-K”) solely for the purpose of adding Exhibit 101, which contains Interactive Data File disclosure in accordance with Rule 405 of Regulation S-T. Except as described above, this amendment does not amend any information set forth in the Original 6-K.

Unaudited Condensed

Consolidated Interim

Financial Statements

PETRÓLEO BRASILEIRO S.A. – PETROBRAS

As of June 30, 2025, with the independent registered public accounting firm review report

INDEX

Petróleo Brasileiro S.A. – Petrobras

Unaudited Condensed Consolidated Statements of Financial Position | 3
Unaudited Condensed Consolidated Statements of Income | 4
Unaudited Condensed Consolidated Statements of Comprehensive Income | 5
Unaudited Condensed Consolidated Statements of Cash Flows | 6
Unaudited Condensed Consolidated Statements of Changes in Shareholders’ Equity | 7
1. Basis of preparation | 8
2. Material accounting policies | 8
3. Cash and cash equivalents and marketable securities | 8
4. Sales revenues | 9
5. Costs and expenses by nature | 10
6. Other income and expenses, net | 11
7. Net finance income (expense) | 11
8. Information by operating segment | 12
9. Trade and other receivables | 18
10. Inventories | 19
11. Trade payables | 19
12. Taxes | 20
13. Employee benefits | 22
14. Provisions for legal proceedings, judicial deposits and contingent liabilities | 27
15. Provision for decommissioning costs | 31
16. Other assets and liabilities | 32
17. Property, plant and equipment | 32
18. Intangible assets | 35
19. Impairment | 35
20. Exploration and evaluation of oil and gas reserves | 36
21. Investments | 37
22. Disposal of assets and other transactions | 37
23. Finance debt | 39
24. Lease liability | 42
25. Equity | 43
26. Financial risk management | 45
27. Related party transactions | 50
28. Supplemental information on statement of cash flows | 52
29. Subsequent events | 53
Report of Independent Registered Public Accounting Firm | 54

2

Unaudited Condensed Consolidated Statements of Financial Position

PETROBRAS

As of June 30, 2025 and December 31, 2024 (Expressed in millions of US Dollars, unless otherwise indicated)

Assets | Note | 06.30.2025 | 12.31.2024
Cash and cash equivalents | 3 | 6,996 | 3,271
Marketable securities | 3 | 2,505 | 4,263
Trade and other receivables | 9 | 3,385 | 3,566
Inventories | 10 | 8,233 | 6,710
Recoverable income taxes | 12 | 635 | 411
Other recoverable taxes | 12 | 1,207 | 1,555
Others | 16 | 1,414 | 1,550
Current assets other than assets classified as held for sale |  | 24,375 | 21,326
Assets classified as held for sale | 22 | 521 | 510
Current assets |  | 24,896 | 21,836
Trade and other receivables | 9 | 859 | 1,256
Marketable securities | 3 | 51 | 582
Judicial deposits | 14 | 14,299 | 11,748
Deferred income taxes | 12 | 1,005 | 922
Other recoverable taxes | 12 | 4,382 | 3,601
Others | 16 | 2,967 | 2,501
Long-term receivables |  | 23,563 | 20,610
Investments | 21 | 778 | 659
Property, plant and equipment - PP&E | 17 | 163,627 | 136,285
Intangible assets | 18 | 2,432 | 2,255
Non-current assets |  | 190,400 | 159,809
Total assets |  | 215,296 | 181,645

Liabilities | Note | 06.30.2025 | 12.31.2024
Trade payables | 11 | 6,299 | 6,082
Finance debt | 23 | 2,475 | 2,566
Lease liability | 24 | 9,270 | 8,542
Income taxes payable | 12 | 656 | 1,400
Other taxes payable | 12 | 3,553 | 3,284
Dividends payable | 25 | 2,028 | 2,657
Provision for decommissioning costs | 15 | 2,514 | 1,696
Employee benefits | 13 | 2,739 | 2,315
Others | 16 | 2,577 | 2,205
Current liabilities other than Liabilities on assets classified as held for sale |  | 32,111 | 30,747
Liabilities related to assets classified as held for sale | 22 | 722 | 713
Current liabilities |  | 32,833 | 31,460
Finance debt | 23 | 23,316 | 20,596
Lease liability | 24 | 33,003 | 28,607
Income taxes payable | 12 | 591 | 530
Deferred income taxes | 12 | 7,602 | 1,470
Employee benefits | 13 | 12,449 | 10,672
Provisions for legal proceedings | 14 | 2,890 | 2,833
Provision for decommissioning costs | 15 | 27,222 | 24,507
Others | 16 | 1,762 | 1,620
Non-current liabilities |  | 108,835 | 90,835
Current and non-current liabilities |  | 141,668 | 122,295
Share capital (net of share issuance costs) | 25 | 107,101 | 107,101
Capital reserve and capital transactions |  | 1,145 | 29
Profit reserves | 25 | 58,853 | 61,446
Retained earnings |  | 8,694 | −
Accumulated other comprehensive deficit |  | (102,635) | (109,470)
Attributable to the shareholders of Petrobras |  | 73,158 | 59,106
Non-controlling interests |  | 470 | 244
Equity |  | 73,628 | 59,350
Total liabilities and equity |  | 215,296 | 181,645
The notes form an integral part of these unaudited condensed consolidated interim financial statements.

3

Unaudited Condensed Consolidated Statements of Income

PETROBRAS

Three and six-month periods ended June 30, 2025 and 2024 (Expressed in millions of US Dollars, unless otherwise indicated)

| Note | Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Sales revenues | 4 | 42,110 | 47,235 | 21,037 | 23,467
Cost of sales | 5 | (21,710) | (23,251) | (11,025) | (11,740)
Gross profit |  | 20,400 | 23,984 | 10,012 | 11,727
Income (expenses) |  |  |  |  |
Selling expenses | 5 | (2,376) | (2,601) | (1,286) | (1,268)
General and administrative expenses | 5 | (908) | (996) | (464) | (549)
Exploration costs | 20 | (498) | (309) | (185) | (174)
Research and development expenses |  | (395) | (376) | (193) | (193)
Other taxes |  | (250) | (1,088) | (127) | (948)
Impairment (losses) reversals, net | 19 | (240) | 46 | (190) | 37
Other income and expenses, net | 6 | (3,108) | (2,971) | (2,218) | (1,927)
Total Income (expenses) |  | (7,775) | (8,295) | (4,663) | (5,022)
Income before net finance income (expense), results of equity-accounted investments and income taxes |  | 12,625 | 15,689 | 5,349 | 6,705
Finance income |  | 642 | 1,029 | 345 | 477
Finance expenses |  | (2,048) | (4,004) | (1,065) | (2,932)
Foreign exchange gains (losses) and inflation indexation charges |  | 4,169 | (5,833) | 1,735 | (4,414)
Net finance income (expense) | 7 | 2,763 | (8,808) | 1,015 | (6,869)
Results of equity-accounted investments | 21 | 129 | (281) | 47 | (188)
Net income (loss) before income taxes |  | 15,517 | 6,600 | 6,411 | (352)
Income taxes | 12 | (4,765) | (2,120) | (1,654) | 27
Net income (loss) for the period |  | 10,752 | 4,480 | 4,757 | (325)
Net income (loss) attributable to shareholders of Petrobras |  | 10,708 | 4,438 | 4,734 | (344)
Net income attributable to non-controlling interests |  | 44 | 42 | 23 | 19
Basic and diluted earnings (losses) per common and preferred share - in U.S. dollars | 25 | 0.83 | 0.34 | 0.37 | (0.03)
The notes form an integral part of these unaudited condensed consolidated interim financial statements.

4

Unaudited Condensed Consolidated Statements of Comprehensive Income

PETROBRAS

Three and six-month periods ended June 30, 2025 and 2024 (Expressed in millions of US Dollars, unless otherwise indicated)

| Note | Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Net income for the period |  | 10,752 | 4,480 | 4,757 | (325)
Items that will not be reclassified to the statement of income: |  |  |  |  |
Actuarial gains on post-employment defined benefit plans | 13 |  |  |  |
Recognized in equity |  | 1 | 1,265 | − | 1,265
Actuarial gains (losses) on defined benefit pension plans, net |  | 1 | 1,265 | − | 1,265
Items that may be reclassified subsequently to the statement of income: |  |  |  |  |
Unrealized gains (losses) on cash flow hedge - highly probable future exports | 26 |  |  |  |
Recognized in equity |  | 8,304 | (8,649) | 3,451 | (6,627)
Reclassified to the statement of income |  | 1,220 | 1,297 | 498 | 600
Deferred income tax |  | (3,238) | 2,499 | (1,343) | 2,048
Unrealized gains / (losses) on cash flow hedge-highly probable future exports, net |  | 6,286 | (4,853) | 2,606 | (3,979)
Translation adjustments (1) |  |  |  |  |
Recognized in equity |  | 362 | (1,982) | 281 | (1,310)
Share of other comprehensive income (loss) in equity-accounted investments | 21 |  |  |  |
Recognized in equity |  | 232 | (159) | 118 | (150)
Other comprehensive income (loss) |  | 6,881 | (5,729) | 3,005 | (4,174)
Total comprehensive income |  | 17,633 | (1,249) | 7,762 | (4,499)
Comprehensive income attributable to shareholders of Petrobras |  | 17,543 | (1,232) | 7,715 | (4,471)
Comprehensive income attributable to non-controlling interests |  | 90 | (17) | 46 | (28)
(1) It includes foreign exchange differences from associates and joint ventures.
The notes form an integral part of these unaudited condensed consolidated interim financial statements.

5

Unaudited Condensed Consolidated Statements of Cash Flows

PETROBRAS

Six-month periods ended June 30, 2025 and 2024 (Expressed in millions of US Dollars, unless otherwise indicated)

| Note | Jan-Jun/2025 | Jan-Jun/2024
Cash flows from operating activities |  |  |
Net income for the period |  | 10,752 | 4,480
Adjustments for: |  |  |
Pension and medical benefits | 13 | 847 | 2,135
Results of equity-accounted investments | 21 | (129) | 281
Depreciation, depletion and amortization | 28 | 6,944 | 6,500
Impairment of assets (reversals), net | 19 | 240 | (46)
Inventory write down (write-back) to net realizable value | 10 | 7 | (44)
Allowance for credit loss on trade and other receivables, net |  | 37 | 48
Exploratory expenditure write-offs | 20 | 209 | 105
Gain on disposal/write-offs of assets | 6 | (71) | (286)
Foreign exchange, indexation and finance charges |  | (3,207) | 8,975
Income taxes | 12 | 4,765 | 2,120
Revision and unwinding of discount on the provision for decommissioning costs |  | 649 | 539
Results from co-participation agreements in bid areas | 6 | (50) | (103)
Early termination and cash outflows revision of lease agreements | 6 | (301) | (146)
Losses with legal, administrative and arbitration proceedings, net | 6 | 326 | 521
Equalization of expenses - Production Individualization Agreements | 17 | 676 | 24
Decrease (Increase) in assets |  |  |
Trade and other receivables |  | 122 | 1,459
Inventories |  | (853) | (355)
Judicial deposits |  | (436) | 574
Other assets |  | 185 | (71)
Increase (Decrease) in liabilities |  |  |
Trade payables |  | (82) | 218
Other taxes payable |  | (401) | (1,862)
Pension and medical benefits |  | (522) | (482)
Provisions for legal proceedings |  | (557) | (200)
Other employee benefits |  | 116 | (370)
Provision for decommissioning costs |  | (425) | (463)
Other liabilities |  | (31) | (357)
Income taxes paid |  | (2,781) | (4,721)
Net cash provided by operating activities |  | 16,029 | 18,473
Cash flows from investing activities |  |  |
Acquisition of PP&E and intangible assets |  | (8,046) | (5,772)
Acquisition of equity interests |  | (2) | (6)
Proceeds from disposal of assets - Divestment |  | 479 | 766
Financial compensation from co-participation agreements |  | 355 | 397
Divestment (Investment) in marketable securities |  | 2,861 | (805)
Dividends received |  | 25 | 64
Net cash used in investing activities |  | (4,328) | (5,356)
Cash flows from financing activities |  |  |
Changes in non-controlling interest |  | 157 | 125
Proceeds from finance debt | 23 | 3,072 | 567
Repayment of principal - finance debt | 23 | (1,547) | (2,318)
Repayment of interest - finance debt | 23 | (856) | (995)
Repayment of lease liability | 24 | (4,368) | (3,883)
Dividends paid to Shareholders of Petrobras | 25 | (4,588) | (10,578)
Share repurchase program |  | − | (380)
Dividends paid to non-controlling interests |  | (31) | (77)
Net cash used in financing activities |  | (8,161) | (17,539)
Effect of exchange rate changes on cash and cash equivalents |  | 185 | (421)
Net change in cash and cash equivalents |  | 3,725 | (4,843)
Cash and cash equivalents at the beginning of the period |  | 3,271 | 12,727
Cash and cash equivalents at the end of the period |  | 6,996 | 7,884
The notes form an integral part of these unaudited condensed consolidated interim financial statements.

6

Unaudited Condensed Consolidated Statements of Changes in Shareholders’ Equity

PETROBRAS

Six-month periods ended June 30, 2025 and 2024 (Expressed in millions of US Dollars, unless otherwise indicated)

| Share capital (net of share issuance costs) |  | Accumulated other comprehensive income (deficit) and deemed cost | Profit Reserves |  |  |  |
| Share Capital | Share issuance costs | Capital reserve, Capital Transactions and Treasury shares | Cumulative translation adjustments | Cash flow hedge - highly probable future exports | Actuarial gains (losses) on defined benefit pension plans | Other comprehensive income (loss) and deemed cost | Profit Reserves | Retained earnings (losses) | Equity attributable to shareholders of Petrobras | Non-controlling interests | Total consolidated equity
Balance at December 31, 2023 | 107,380 | (279) | 410 | (73,004) | (12,020) | (15,879) | (666) | 72,641 | − | 78,583 | 392 | 78,975
|  | 107,101 | 410 |  |  |  | (101,569) | 72,641 | − | 78,583 | 392 | 78,975
Treasury shares | − | − | (381) | − | − | − | − | − | − | (381) | − | (381)
Capital transactions | − | − | − | − | − | − | − | − | − | − | 126 | 126
Net income | − | − | − | − | − | − | − | − | 4,438 | 4,438 | 42 | 4,480
Other comprehensive income (loss) | − | − | − | (1,923) | (4,853) | 1,265 | (159) | − | − | (5,670) | (59) | (5,729)
Expired unclaimed dividends | − | − | − | − | − | − | − | − | 8 | 8 | − | 8
Appropriations: |  |  |  |  |  |  |  |  |  |  |  |
Dividends | − | − | − | − | − | − | − | (7,178) | (2,615) | (9,793) | (38) | (9,831)
Balance at June 30, 2024 | 107,380 | (279) | 29 | (74,927) | (16,873) | (14,614) | (825) | 65,463 | 1,831 | 67,185 | 463 | 67,648
|  | 107,101 | 29 |  |  |  | (107,239) | 65,463 | 1,831 | 67,185 | 463 | 67,648
Balance at December 31, 2024 | 107,380 | (279) | 29 | (75,208) | (20,360) | (12,975) | (927) | 61,446 | − | 59,106 | 244 | 59,350
|  | 107,101 | 29 |  |  |  | (109,470) | 61,446 | − | 59,106 | 244 | 59,350
Cancellation of treasury shares | − | − | 1,116 | − | − | − | − | (1,116) | − | − | − | −
Capital transactions | − | − | − | − | − | − | − | − | − | − | 156 | 156
Net income | − | − | − | − | − | − | − | − | 10,708 | 10,708 | 44 | 10,752
Other comprehensive income (loss) | − | − | − | 316 | 6,286 | 1 | 232 | − | − | 6,835 | 46 | 6,881
Expired unclaimed dividends | − | − | − | − | − | − | − | − | 49 | 49 | − | 49
Appropriations: |  |  |  |  |  |  |  |  |  |  |  |
Dividends | − | − | − | − | − | − | − | (1,477) | (2,063) | (3,540) | (20) | (3,560)
Balance at June 30, 2025 | 107,380 | (279) | 1,145 | (74,892) | (14,074) | (12,974) | (695) | 58,853 | 8,694 | 73,158 | 470 | 73,628
|  | 107,101 | 1,145 |  |  |  | (102,635) | 58,853 | 8,694 | 73,158 | 470 | 73,628
The notes form an integral part of these unaudited condensed consolidated interim financial statements.

7

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 1. | Basis of preparation

| 1.1. | Statement of compliance and authorization of unaudited condensed consolidated interim financial statements

These unaudited condensed consolidated interim financial statements of Petróleo Brasileiro S.A. (“Petrobras” or “Company”) have been prepared and presented in accordance with IAS 34 – “Interim Financial Reporting” as issued by the International Accounting Standards Board (IASB). They present the significant changes in the period, avoiding repetition of certain notes to the annual consolidated financial statements previously reported. Hence, they should be read together with the Company’s audited annual consolidated financial statements for the year ended December 31, 2024, which include the full set of notes.

These unaudited condensed consolidated interim financial statements were approved and authorized for issue by the Company’s Board of Directors in a meeting held on August 7, 2025.

| 1.2. | New standards and interpretations

On January 1, 2025, the rule Lack of exchangeability – Amendments to IAS 21, issued by the IASB, came into force and was adopted by the Company, as disclosed in note 6 of the financial statements of December 31, 2024, which had no material effect on these unaudited condensed consolidated interim financial statements.

| 2. | Material accounting policies

The accounting policies and methods of computation followed in these unaudited condensed consolidated interim financial statements are the same as those followed in the preparation of the annual financial statements of the Company for the year ended December 31, 2024.

| 3. | Cash and cash equivalents and marketable securities

| 3.1. | Cash and cash equivalents

They include cash, available bank deposits and short-term financial investments with high liquidity, which meet the definition of cash equivalents.

Schedule of cash and cash equivalents |  |
| 06.30.2025 | 12.31.2024
Cash at bank and in hand | 255 | 136
Short-term financial investments |  |
- In Brazil |  |
Brazilian interbank deposit rate investment funds and repurchase agreements | 2,191 | 1,453
Bank Deposit Certificates and other investment funds | 162 | 186
| 2,353 | 1,639
- Abroad |  |
Time deposits | 2,708 | 728
Sweep accounts and interest-bearing accounts | 1,660 | 726
Other financial investments | 20 | 42
| 4,388 | 1,496
Total short-term financial investments | 6,741 | 3,135
Total cash and cash equivalents | 6,996 | 3,271

Short-term financial investments in Brazil primarily consist of investments in funds holding Brazilian Federal Government Bonds, repurchase agreements, as well as floating rate Bank Deposit Certificates with daily liquidity, all of them with maturities of up to three months from the date of their acquisition. Short-term financial investments abroad mainly comprise time deposits that mature in three months or less from the date of their acquisition, as well as investments with daily liquidity.

8

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 3.2. | Marketable securities

Schedule of marketable securities |  |
| 06.30.2025 | 12.31.2024
Fair value through profit or loss | 205 | 531
Amortized cost - Bank Deposit Certificates and time deposits | 2,300 | 4,269
Amortized cost - Others | 51 | 45
Total | 2,556 | 4,845
Current | 2,505 | 4,263
Non-current | 51 | 582

Marketable securities classified as fair value through profit or loss refer mainly to investments in Brazilian Federal Government Bonds (amounts determined by level 1 of the fair value hierarchy). These financial investments have maturities of more than three months.

Securities classified as amortized cost refer to investments in Brazil in floating rate Bank Deposit Certificates with daily liquidity, with initial maturities between one and two years, and to investments abroad in time deposits with maturities of more than three months from the contracting date

| 4. | Sales revenues

Schedule of sales revenues |  |  |  |
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Diesel | 12,753 | 14,055 | 6,183 | 6,979
Gasoline | 6,037 | 6,278 | 3,073 | 3,073
Liquefied petroleum gas | 1,617 | 1,551 | 884 | 793
Jet fuel | 2,132 | 2,331 | 1,009 | 1,147
Naphtha | 835 | 910 | 425 | 483
Fuel oil (including bunker fuel) | 297 | 577 | 132 | 233
Other oil products | 1,901 | 2,092 | 970 | 1,073
Subtotal oil products | 25,572 | 27,794 | 12,676 | 13,781
Natural gas | 1,858 | 2,458 | 973 | 1,136
Crude oil | 2,478 | 2,278 | 1,073 | 1,049
Renewables and nitrogen products | 94 | 74 | 41 | 43
Breakage | 102 | 261 | 54 | 121
Electricity | 287 | 232 | 148 | 104
Services, agency and others | 348 | 449 | 182 | 202
Domestic market | 30,739 | 33,546 | 15,147 | 16,436
Exports | 11,049 | 13,144 | 5,680 | 6,746
Crude oil | 8,262 | 10,074 | 4,452 | 5,163
Fuel oil (including bunker fuel) | 2,277 | 2,448 | 1,093 | 1,126
Other oil products and other products | 510 | 622 | 135 | 457
Sales abroad (1) | 322 | 545 | 210 | 285
Foreign market | 11,371 | 13,689 | 5,890 | 7,031
Sales revenues | 42,110 | 47,235 | 21,037 | 23,467
(1) Sales revenues from operations outside of Brazil, including trading and excluding exports.

In the six-month period ended June 30, 2025 and June 30, 2024, sales to the same two clients of the refining, transportation and marketing (RT&M) segment represented individually 15% and 10% of the Company’s sales revenues, respectively.

9

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of sales revenues by area |  |  |  |
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Domestic market | 30,739 | 33,546 | 15,147 | 16,436
China | 3,086 | 4,388 | 2,020 | 2,907
Americas (except United States) | 1,456 | 2,004 | 783 | 953
Europe | 2,018 | 2,702 | 971 | 1,489
Asia (except China and Singapore) | 2,314 | 906 | 1,118 | 423
United States | 977 | 2,137 | 294 | 662
Singapore | 1,301 | 1,541 | 629 | 591
Others | 219 | 11 | 75 | 6
Foreign market | 11,371 | 13,689 | 5,890 | 7,031
Sales revenues | 42,110 | 47,235 | 21,037 | 23,467

| 5. | Costs and expenses by nature

| 5.1. | Cost of sales

Schedule of cost of sales |  |  |  |
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Raw material, products for resale, materials and third-party services (1) | (10,350) | (11,298) | (5,251) | (5,369)
Acquisitions | (7,131) | (8,171) | (3,552) | (3,863)
Crude oil imports | (3,882) | (4,749) | (1,766) | (2,543)
Oil products imports | (2,775) | (2,661) | (1,586) | (998)
Natural gas imports | (474) | (761) | (200) | (322)
Third-party services and others | (3,219) | (3,127) | (1,699) | (1,506)
Depreciation, depletion and amortization | (5,517) | (5,072) | (3,004) | (2,423)
Production taxes | (5,358) | (5,936) | (2,555) | (2,906)
Employee compensation | (830) | (1,042) | (431) | (601)
Inventory turnover | 345 | 97 | 216 | (441)
Total | (21,710) | (23,251) | (11,025) | (11,740)
(1) It Includes short-term leases.

| 5.2. | Selling expenses

Schedule of selling expenses |  |  |  |
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Materials, third-party services, freight, rent and other related costs | (1,966) | (2,189) | (1,071) | (1,069)
Depreciation, depletion and amortization | (340) | (339) | (171) | (166)
Reversal (allowance) for expected credit losses | (10) | (8) | (14) | 2
Employee compensation | (60) | (65) | (30) | (35)
Total | (2,376) | (2,601) | (1,286) | (1,268)

| 5.3. | General and administrative expenses

Schedule of general and administrative expenses |  |  |  |
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Employee compensation | (531) | (657) | (265) | (365)
Materials, third-party services, rent and other related costs | (292) | (266) | (153) | (146)
Depreciation, depletion and amortization | (85) | (73) | (46) | (38)
Total | (908) | (996) | (464) | (549)

10

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 6. | Other income and expenses, net

Schedule of other income and expenses |  |  |  |
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Stoppages for asset maintenance and pre-operating expenses | (1,295) | (1,352) | (660) | (700)
Equalization of expenses - Production Individualization Agreements (1) | (676) | (24) | (672) | (14)
Pension and medical benefits - retirees (2) | (639) | (1,602) | (324) | (1,293)
Variable compensation programs (3) | (595) | (490) | (305) | (235)
Losses with legal, administrative and arbitration proceedings | (326) | (521) | (125) | (240)
Collective bargaining agreement (4) | (214) | (8) | (214) | (6)
Operating expenses with thermoelectric power plants | (112) | (119) | (57) | (53)
Institutional relations and cultural projects | (98) | (71) | (62) | (44)
Gains (losses) with commodities derivatives | 11 | 24 | 9 | 19
Results from co-participation agreements in bid areas | 50 | 103 | (20) | 55
Results on disposal/write-offs of assets | 71 | 286 | 14 | 124
Ship/take or pay agreements | 97 | 88 | 68 | 41
Results of non-core activities | 224 | 122 | 126 | 83
Early termination and changes to cash flow estimates of leases | 301 | 146 | 144 | 77
Others | 93 | 447 | (140) | 259
Total | (3,108) | (2,971) | (2,218) | (1,927)
(1) For more information, see note 17.
(2) For more information, see note 13.2.
(3) It comprises Profit Sharing (PLR) and Performance award program (PRD), as described in note 13.
(4) It includes the remaining portion of the bonus from the Collective Bargaining Agreement (ACT) 2025-2027.

| 7. | Net finance income (expense)

Schedule of net finance income (expense) |  |  |  |
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Finance income | 642 | 1,029 | 345 | 477
Income from investments and marketable securities (Government Bonds) | 448 | 812 | 225 | 380
Other finance income | 194 | 217 | 120 | 97
Finance expenses | (2,048) | (4,004) | (1,065) | (2,932)
Interest on finance debt | (983) | (1,073) | (517) | (519)
Unwinding of discount on lease liability | (1,275) | (1,104) | (653) | (557)
Capitalized borrowing costs | 916 | 759 | 467 | 383
Unwinding of discount on the provision for decommissioning costs | (648) | (530) | (329) | (258)
Tax settlement programs - federal taxes (1) | − | (1,930) | − | (1,930)
Other finance expenses | (58) | (126) | (33) | (51)
Foreign exchange gains (losses) and indexation charges | 4,169 | (5,833) | 1,735 | (4,414)
Foreign exchange gains (losses) (2) | 5,068 | (4,421) | 2,032 | (3,540)
Real x U.S. dollar | 5,218 | (4,449) | 2,141 | (3,536)
Other currencies | (150) | 28 | (109) | (4)
Reclassification of hedge accounting to the Statement of Income (2) | (1,220) | (1,297) | (498) | (600)
Tax settlement programs - federal taxes (1) | − | (220) | − | (220)
Indexation to the Selic interest rate of anticipated dividends and dividends payable | (151) | (388) | (87) | (318)
Recoverable taxes inflation indexation income | 159 | (96) | 101 | (145)
Other foreign exchange gains and indexation charges, net | 313 | 589 | 187 | 409
Total | 2,763 | (8,808) | 1,015 | (6,869)
(1) For more information, see note 12.
(2) For more information, see notes 26.4.1.a and 26.4.1.c.

11

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 8. | Information by operating segment

| 8.1. | Net income by operating segment

Schedule of consolidated statement of income by operating segment |  |  |  |  |  |
Jan-Jun/2025
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Eliminations | Total
Sales revenues | 29,471 | 39,784 | 4,036 | 157 | (31,338) | 42,110
Intersegments | 29,355 | 546 | 1,434 | 3 | (31,338) | −
Third parties | 116 | 39,238 | 2,602 | 154 | - | 42,110
Cost of sales | (13,398) | (37,364) | (2,269) | (138) | 31,459 | (21,710)
Gross profit (loss) | 16,073 | 2,420 | 1,767 | 19 | 121 | 20,400
Income (expenses) | (2,584) | (1,605) | (1,693) | (1,893) | − | (7,775)
Selling expenses | - | (955) | (1,406) | (15) | - | (2,376)
General and administrative expenses | (30) | (183) | (58) | (637) | - | (908)
Exploration costs | (498) | - | - | - | - | (498)
Research and development expenses | (309) | (4) | (4) | (78) | - | (395)
Other taxes | (11) | (27) | (8) | (204) | - | (250)
Impairment (losses) reversals, net | (193) | (46) | (1) | - | - | (240)
Other income and expenses, net | (1,543) | (390) | (216) | (959) | - | (3,108)
Income (loss) before net finance expense, results of equity-accounted investments and income taxes | 13,489 | 815 | 74 | (1,874) | 121 | 12,625
Net finance income | - | - | - | 2,763 | - | 2,763
Results of equity-accounted investments | 56 | 48 | 29 | (4) | - | 129
Net income before income taxes | 13,545 | 863 | 103 | 885 | 121 | 15,517
Income taxes | (4,585) | (279) | (25) | 165 | (41) | (4,765)
Net income for the period | 8,960 | 584 | 78 | 1,050 | 80 | 10,752
Attributable to: |  |  |  |  |  |
Shareholders of Petrobras | 8,961 | 584 | 60 | 1,023 | 80 | 10,708
Non-controlling interests | (1) | - | 18 | 27 | - | 44

12

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Jan-Jun/2024
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Eliminations | Total
Sales revenues | 31,745 | 44,251 | 4,620 | 158 | (33,539) | 47,235
Intersegments | 31,565 | 551 | 1,419 | 4 | (33,539) | −
Third parties | 180 | 43,700 | 3,201 | 154 | - | 47,235
Cost of sales | (12,842) | (40,540) | (2,273) | (148) | 32,552 | (23,251)
Gross profit (loss) | 18,903 | 3,711 | 2,347 | 10 | (987) | 23,984
Income (expenses) | (2,181) | (1,537) | (1,756) | (2,821) | − | (8,295)
Selling expenses | (1) | (1,089) | (1,497) | (14) | - | (2,601)
General and administrative expenses | (42) | (176) | (63) | (715) | - | (996)
Exploration costs | (309) | - | - | - | - | (309)
Research and development expenses | (288) | (2) | - | (86) | - | (376)
Other taxes | (829) | (28) | (9) | (222) | - | (1,088)
Impairment (losses) reversals, net | (4) | 37 | - | 13 | - | 46
Other income and expenses, net | (708) | (279) | (187) | (1,797) | - | (2,971)
Income (loss) before net finance expense, results of equity-accounted investments and income taxes | 16,722 | 2,174 | 591 | (2,811) | (987) | 15,689
Net finance expense | - | - | - | (8,808) | - | (8,808)
Results of equity-accounted investments | 47 | (381) | 57 | (4) | - | (281)
Net income / (loss) before income taxes | 16,769 | 1,793 | 648 | (11,623) | (987) | 6,600
Income taxes | (5,687) | (739) | (200) | 4,169 | 337 | (2,120)
Net income (loss) for the period | 11,082 | 1,054 | 448 | (7,454) | (650) | 4,480
Attributable to: |  |  |  |  |  |
Shareholders of Petrobras | 11,083 | 1,054 | 421 | (7,470) | (650) | 4,438
Non-controlling interests | (1) | - | 27 | 16 | - | 42

13

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Apr-Jun/2025
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Eliminations | Total
Sales revenues | 14,404 | 19,795 | 2,176 | 80 | (15,418) | 21,037
Intersegments | 14,343 | 256 | 817 | 2 | (15,418) | −
Third parties | 61 | 19,539 | 1,359 | 78 | - | 21,037
Cost of sales | (6,601) | (18,586) | (1,144) | (70) | 15,376 | (11,025)
Gross profit (loss) | 7,803 | 1,209 | 1,032 | 10 | (42) | 10,012
Income (expenses) | (1,846) | (869) | (914) | (1,034) | − | (4,663)
Selling expenses | - | (518) | (751) | (17) | - | (1,286)
General and administrative expenses | (26) | (96) | (32) | (310) | - | (464)
Exploration costs | (185) | - | - | - | - | (185)
Research and development expenses | (147) | (3) | (2) | (41) | - | (193)
Other taxes | (7) | (14) | (6) | (100) | - | (127)
Impairment (losses) reversals, net | (139) | (50) | (1) | - | - | (190)
Other income and expenses, net | (1,342) | (188) | (122) | (566) | - | (2,218)
Income (loss) before net finance expense, results of equity-accounted investments and income taxes | 5,957 | 340 | 118 | (1,024) | (42) | 5,349
Net finance expense | - | - | - | 1,015 | - | 1,015
Results of equity-accounted investments | 42 | (7) | 17 | (5) | - | 47
Net income / (loss) before income taxes | 5,999 | 333 | 135 | (14) | (42) | 6,411
Income taxes | (2,025) | (116) | (39) | 512 | 14 | (1,654)
Net income (loss) for the period | 3,974 | 217 | 96 | 498 | (28) | 4,757
Attributable to: |  |  |  |  |  |
Shareholders of Petrobras | 3,974 | 217 | 88 | 483 | (28) | 4,734
Non-controlling interests | − | − | 8 | 15 | − | 23

14

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Apr-Jun/2024
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Eliminations | Total
Sales revenues | 15,668 | 22,061 | 2,198 | 80 | (16,540) | 23,467
Intersegments | 15,591 | 248 | 699 | 2 | (16,540) | −
Third parties | 77 | 21,813 | 1,499 | 78 | - | 23,467
Cost of sales | (6,228) | (20,557) | (1,096) | (74) | 16,215 | (11,740)
Gross profit (loss) | 9,440 | 1,504 | 1,102 | 6 | (325) | 11,727
Income (expenses) | (1,551) | (701) | (867) | (1,903) | − | (5,022)
Selling expenses | - | (538) | (729) | (1) | - | (1,268)
General and administrative expenses | (22) | (92) | (35) | (400) | - | (549)
Exploration costs | (174) | - | - | - | - | (174)
Research and development expenses | (149) | - | - | (44) | - | (193)
Other taxes | (809) | (21) | (4) | (114) | - | (948)
Impairment (losses) reversals, net | - | 37 | - | - | - | 37
Other income and expenses, net | (397) | (87) | (99) | (1,344) | - | (1,927)
Income (loss) before net finance expense, results of equity-accounted investments and income taxes | 7,889 | 803 | 235 | (1,897) | (325) | 6,705
Net finance expense | - | - | - | (6,869) | - | (6,869)
Results of equity-accounted investments | 30 | (251) | 36 | (3) | - | (188)
Net income / (loss) before income taxes | 7,919 | 552 | 271 | (8,769) | (325) | (352)
Income taxes | (2,682) | (273) | (80) | 2,951 | 111 | 27
Net income (loss) for the period | 5,237 | 279 | 191 | (5,818) | (214) | (325)
Attributable to: |  |  |  |  |  |
Shareholders of Petrobras | 5,237 | 279 | 179 | (5,825) | (214) | (344)
Non-controlling interests | - | - | 12 | 7 | - | 19

15

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of other income and expenses net by segment |  |  |  |  |
Other income and expenses, net by segment
Jan-Jun/2025
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Total
Stoppages for asset maintenance and pre-operating expenses | (1,113) | (127) | (47) | (8) | (1,295)
Equalization of expenses - Production Individualization Agreements | (676) | - | - | - | (676)
Pension and medical benefits - retirees | - | - | - | (639) | (639)
Variable compensation programs | (271) | (138) | (31) | (155) | (595)
Losses with legal, administrative and arbitration proceedings | (106) | (67) | (30) | (123) | (326)
Collective bargaining agreement | (99) | (42) | (10) | (63) | (214)
Results from co-participation agreements in bid areas | 50 | - | - | - | 50
Results on disposal/write-offs of assets | 14 | - | 16 | 41 | 71
Results of non-core activities | 222 | (5) | 1 | 6 | 224
Early termination and changes to cash flow estimates of leases | 300 | (4) | 1 | 4 | 301
Others | 136 | (7) | (116) | (22) | (9)
Total | (1,543) | (390) | (216) | (959) | (3,108)

Other income and expenses, net by segment
Jan-Jun/2024
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Total
Pension and medical benefits - retirees | - | - | - | (1,602) | (1,602)
Stoppages for asset maintenance and pre-operating expenses | (1,256) | (53) | (33) | (10) | (1,352)
Losses with legal, administrative and arbitration proceedings | (188) | (173) | (36) | (124) | (521)
Variable compensation programs | (203) | (128) | (26) | (133) | (490)
Equalization of expenses - Production Individualization Agreements | (24) | - | - | - | (24)
Collective bargaining agreement | (1) | (6) | - | (1) | (8)
Results from co-participation agreements in bid areas | 103 | - | - | - | 103
Results of non-core activities | 120 | (16) | 10 | 8 | 122
Early termination and changes to cash flow estimates of leases | 142 | 5 | 1 | (2) | 146
Results on disposal/write-offs of assets | 237 | 68 | 23 | (42) | 286
Others | 362 | 24 | (126) | 109 | 369
Total | (708) | (279) | (187) | (1,797) | (2,971)

Other income and expenses, net by segment
Apr-Jun/2025
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Total
Equalization of expenses - Production Individualization Agreements | (672) | - | - | - | (672)
Stoppages for asset maintenance and pre-operating expenses | (600) | (29) | (27) | (4) | (660)
Pension and medical benefits - retirees | - | - | - | (324) | (324)
Variable compensation programs | (137) | (74) | (16) | (78) | (305)
Collective bargaining agreement | (99) | (42) | (10) | (63) | (214)
Gains (losses) with legal, administrative and arbitration proceedings | 6 | (38) | (28) | (65) | (125)
Results from co-participation agreements in bid areas | (20) | - | - | - | (20)
Results on disposal/write-offs of assets | (18) | 1 | 14 | 17 | 14
Results of non-core activities | 120 | 3 | - | 3 | 126
Early termination and changes to cash flow estimates of leases | 149 | (3) | - | (2) | 144
Others | (71) | (6) | (55) | (50) | (182)
Total | (1,342) | (188) | (122) | (566) | (2,218)

16

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Other income and expenses, net by segment
Apr-Jun/2024
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Total
Pension and medical benefits - retirees | - | - | - | (1,293) | (1,293)
Stoppages for asset maintenance and pre-operating expenses | (649) | (27) | (18) | (6) | (700)
Losses with legal, administrative and arbitration proceedings | (104) | (77) | (32) | (27) | (240)
Variable compensation programs | (99) | (60) | (13) | (63) | (235)
Equalization of expenses - Production Individualization Agreements | (14) | - | - | - | (14)
Collective bargaining agreement | - | (6) | - | - | (6)
Results from co-participation agreements in bid areas | 55 | - | - | - | 55
Early termination and changes to cash flow estimates of leases | 75 | 3 | 2 | (3) | 77
Results of non-core activities | 64 | 12 | 4 | 3 | 83
Results on disposal/write-offs of assets | 100 | 43 | 4 | (23) | 124
Others | 175 | 25 | (46) | 68 | 222
Total | (397) | (87) | (99) | (1,344) | (1,927)

The amount of depreciation, depletion and amortization by segment is set forth as follows:

Schedule of depreciation, depletion and amortization |  |  |  |  |
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Total
Jan-Jun/2025 | 5,317 | 1,288 | 264 | 75 | 6,944
Jan-Jun/2024 | 4,856 | 1,285 | 294 | 65 | 6,500
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Total
Apr-Jun/2025 | 2,836 | 691 | 131 | 39 | 3,697
Apr-Jun/2024 | 2,326 | 637 | 141 | 34 | 3,138

17

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 8.2. | Assets by operating segment

Schedule of assets by operating segment |  |  |  |  |  |
| Exploration and Production (E&P) | Refining, Transportation & Marketing (RT&M) | Gas and Low Carbon Energies (G&LCE) | Corporate and other businesses | Elimina-tions | Total
Consolidated assets by operating segment - 06.30.2025
Current assets | 3,086 | 10,172 | 487 | 15,505 | (4,354) | 24,896
Non-current assets | 149,107 | 21,280 | 5,305 | 14,708 | − | 190,400
Long-term receivables | 8,599 | 2,643 | 152 | 12,169 | − | 23,563
Investments | 337 | 198 | 176 | 67 | − | 778
Property, plant and equipment | 138,354 | 18,296 | 4,897 | 2,080 | − | 163,627
Operating assets | 108,932 | 16,361 | 4,314 | 1,491 | − | 131,098
Under construction | 29,422 | 1,935 | 583 | 589 | − | 32,529
Intangible assets | 1,817 | 143 | 80 | 392 | − | 2,432
Total Assets | 152,193 | 31,452 | 5,792 | 30,213 | (4,354) | 215,296

Consolidated assets by operating segment - 12.31.2024
Current assets | 2,697 | 9,017 | 379 | 13,923 | (4,180) | 21,836
Non-current assets | 122,854 | 18,708 | 4,881 | 13,366 | − | 159,809
Long-term receivables | 7,056 | 2,217 | 91 | 11,246 | − | 20,610
Investments | 299 | 114 | 182 | 64 | − | 659
Property, plant and equipment | 113,761 | 16,257 | 4,541 | 1,726 | − | 136,285
Operating assets | 91,895 | 14,828 | 3,936 | 1,242 | − | 111,901
Under construction | 21,866 | 1,429 | 605 | 484 | − | 24,384
Intangible assets | 1,738 | 120 | 67 | 330 | − | 2,255
Total Assets | 125,551 | 27,725 | 5,260 | 27,289 | (4,180) | 181,645

| 9. | Trade and other receivables

| 9.1. | Trade and other receivables

Schedule of trade and other receivables, net |  |
| 06.30.2025 | 12.31.2024
Receivables from contracts with customers |  |
Third parties | 4,054 | 3,779
Related parties |  |
Investees (note 27.1) | 157 | 117
Subtotal | 4,211 | 3,896
Other trade receivables |  |
Third parties |  |
Receivables from divestments and Transfer of Rights Agreement | 996 | 1,677
Lease receivables | 255 | 298
Other receivables | 592 | 592
Subtotal | 1,843 | 2,567
Total trade and other receivables, before ECL | 6,054 | 6,463
Expected credit losses (ECL) - Third parties | (1,809) | (1,639)
Expected credit losses (ECL) - Related parties | (1) | (2)
Total trade and other receivables | 4,244 | 4,822
Current | 3,385 | 3,566
Non-current | 859 | 1,256

Trade and other receivables are generally classified as measured at amortized cost, except for receivables with final prices linked to changes in commodity price after their transfer of control, which are classified as measured at fair value through profit or loss, amounting to US$ 500 as of June 30, 2025 (US$ 416 as of December 31, 2024).

The balance of receivables from divestment and Transfer of Rights Agreement is mainly related to the earnout of the Sépia and Atapu fields, totaling US$ 209 (US$ 508 as of December 31, 2024), from the sale of the Roncador field, totaling US$ 343 (US$ 353 as of December 31, 2024), and the Potiguar cluster, totaling US$ 151 (US$ 217 as of December 31, 2024).

18

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 9.2. | Aging of trade and other receivables – third parties

Schedule of aging of trade and other receivables |  |  |  |
| 06.30.2025 | 12.31.2024
| Trade and other receivables | Expected credit losses | Trade and other receivables | Expected credit losses
Current | 3,868 | (88) | 4,513 | (168)
Overdue: |  |  |  |
1-90 days | 91 | (20) | 213 | (75)
91-180 days | 33 | (20) | 63 | (23)
181-365 days | 281 | (219) | 30 | (18)
More than 365 days | 1,624 | (1,462) | 1,527 | (1,355)
Total | 5,897 | (1,809) | 6,346 | (1,639)

| 9.3. | Provision for expected credit losses – third parties and related parties

Schedule of changes in credit losses provision |  |
Changes | Jan-Jun/2025 | Jan-Jun/2024
Opening balance | 1,641 | 1,615
Additions | 93 | 90
Reversals | (56) | (44)
Write-offs | (5) | (9)
Translation adjustment | 137 | (127)
Closing balance | 1,810 | 1,525
Current | 376 | 293
Non-current | 1,434 | 1,232

| 10. | Inventories

Schedule of inventories |  |
| 06.30.2025 | 12.31.2024
Crude oil | 3,132 | 2,645
Oil products | 2,441 | 2,161
Intermediate products | 561 | 424
Natural gas and Liquefied Natural Gas (LNG) | 127 | 101
Biofuels | 28 | 22
Fertilizers | 2 | 1
Total products | 6,291 | 5,354
Materials, supplies and others | 1,942 | 1,356
Total | 8,233 | 6,710

In the six-month period ended June 30, 2025, the Company recognized a US$ 7 loss within cost of sales, adjusting inventories to net realizable value (a US$ 44 reversal of cost of sales in the six-month period ended June 30, 2024), primarily due to changes in international prices of crude oil and oil products.

At June 30, 2025, the Company had pledged crude oil and oil products volumes as collateral for the Term of Financial Commitment (TFC) related to Pension Plans PPSP-R, PPSP-R Pre-70 and PPSP-NR Pre-70 signed by Petrobras and Fundação Petrobras de Seguridade Social – Petros Foundation in 2008, in the estimated amount of US$ 818 (US$ 761 at December 31, 2024).

| 11. | Trade payables

Schedule of trade payables |  |
| 06.30.2025 | 12.31.2024
Third parties in Brazil | 4,352 | 3,657
Third parties abroad | 1,928 | 2,409
Related parties | 19 | 16
Total | 6,299 | 6,082

19

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Forfaiting

The Company has a program to encourage the development of the oil and gas production chain called “Mais Valor” (More Value), operated by a partner company on a 100% digital platform.

By using this platform, the suppliers who want to anticipate their receivables may launch a reverse auction, in which the winner is the financial institution which offers the lowest discount rate. The financial institution becomes the creditor of invoices advanced by the supplier, and Petrobras pays the invoices on the same date and under the conditions originally agreed with the supplier.

Invoices are advanced in the “Mais Valor” program exclusively at the discretion of the suppliers and do not change the terms, prices and commercial conditions contracted by Petrobras with such suppliers, as well as it does not add financial charges to the Company, therefore, the classification is maintained as Trade payables in Statements of Cash Flows (Cash flows from operating activities).

As of June 30, 2025, the balance advanced by suppliers, within the scope of the program, is US$ 140 (US$ 134 as of December 31, 2024) and has a payment term from 4 to 92 days and a weighted average term of 55 days (payment term from 7 to 92 days and a weighted average term of 58 days in 2024), after the contracted commercial conditions have been met.

| 12. | Taxes

| 12.1. | Income taxes

Schedule of income taxes |  |  |  |  |  |
| Current assets | Current liabilities | Non-current liabilities
| 06.30.2025 | 12.31.2024 | 06.30.2025 | 12.31.2024 | 06.30.2025 | 12.31.2024
Taxes in Brazil |  |  |  |  |  |
Income taxes (1) | 634 | 405 | 35 | 698 | 384 | 330
Income taxes - Tax settlement programs | − | − | 58 | 49 | 207 | 200
| 634 | 405 | 93 | 747 | 591 | 530
Taxes abroad (1) | 1 | 6 | 563 | 653 | − | −
Total | 635 | 411 | 656 | 1,400 | 591 | 530
(1) It includes uncertain tax treatments (see note 12.1.1).

20

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Reconciliation between statutory income tax rate and effective income tax rate

The following table provides the reconciliation of Brazilian statutory tax rate to the Company’s effective rate on income before income taxes:

Schedule of statutory income tax rate and effective income tax rate |  |  |  |
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Net income (loss) before income taxes | 15,517 | 6,600 | 6,411 | (352)
Nominal income taxes computed based on Brazilian statutory corporate tax rates (34%) | (5,275) | (2,243) | (2,179) | 120
Adjustments to arrive at the effective tax rate: |  |  |  |
Tax benefits from the deduction of interest on capital distributions | 465 | 508 | 465 | 508
Different jurisdictional tax rates for companies abroad | 464 | 527 | 229 | 240
Brazilian income taxes on income of companies incorporated outside Brazil (1) | (111) | (142) | (41) | (92)
Tax incentives | 95 | 9 | 66 | (22)
Effects of the global minimum tax | (109) | - | (56) | -
Internal transfer prices adjustments for operations between related parties abroad | (165) | - | (86) | -
Tax loss carryforwards (unrecognized tax losses) | 1 | 83 | - | 27
Enrollment in the tax settlement program | - | (155) | - | (155)
Post-employment benefits | (208) | (652) | (94) | (531)
Results of equity-accounted investments in Brazil and abroad | 43 | (132) | 15 | (97)
Non-incidence of income taxes on indexation (Selic interest rate) of undue paid taxes | 30 | 48 | 17 | 27
Others | 5 | 29 | 10 | 2
Income taxes | (4,765) | (2,120) | (1,654) | 27
Deferred income taxes | (2,341) | 1,405 | (1,126) | 1,070
Current income taxes | (2,424) | (3,525) | (528) | (1,043)
Effective tax rate of income taxes | 30.7% | 32.1% | 25.8% | 7.7%
(1) It relates to Brazilian income taxes on earnings of offshore investees, as established by Law No. 12,973/2014.

Deferred income taxes - non-current

The changes in the deferred income taxes are presented as follows:

Schedule of changes in the deferred income taxes |  |
| Jan-Jun/2025 | Jan-Jun/2024
Opening balance | (548) | (9,945)
Recognized in the statement of income for the period | (2,341) | 1,405
Recognized in shareholders’ equity | (3,238) | 2,499
Translation adjustment | (446) | 1,066
Use of tax loss carryforwards | (43) | (1)
Others | 19 | (3)
Closing balance | (6,597) | (4,979)

The composition of deferred tax assets and liabilities is set out in the following table:

Schedule of composition of deferred tax assets and liabilities |  |  |
Nature | Realization basis | 06.30.2025 | 12.31.2024
PP&E - Exploration and decommissioning costs | Depreciation, amortization and write-offs of assets | (6,730) | (6,286)
PP&E - Impairment | Amortization, impairment reversals and write-offs of assets | 3,958 | 3,462
PP&E - Right-of-use assets | Depreciation, amortization and write-offs of assets | (12,567) | (8,518)
PP&E - depreciation methods and capitalized borrowing costs | Depreciation, amortization and write-offs of assets | (18,593) | (16,043)
Loans, trade and other receivables / payables and financing | Payments, receipts and considerations | (1,085) | 2,636
Leasings | Appropriation of the considerations | 13,536 | 10,829
Provision for decommissioning costs | Payments and use of provisions | 10,321 | 9,118
Provision for legal proceedings | Payments and use of provisions | 928 | 818
Tax loss carryforwards | Taxable income compensation | 995 | 976
Inventories | Sales, write-downs and losses | 491 | 424
Employee Benefits | Payments and use of provisions | 1,354 | 1,191
Others |  | 795 | 845
Total |  | (6,597) | (548)
Deferred tax assets |  | 1,005 | 922
Deferred tax liabilities |  | (7,602) | (1,470)

21

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 12.1.1. | Uncertain tax treatments on income taxes

As of June 30, 2025, the Company has US$ 833 (US$ 767 as of December 31, 2024) of uncertain tax treatments, provisioned in the statement of financial position, mainly related to the deduction of amounts paid in the basis of calculation of income taxes in Brazil, as well as to the incidence of Corporate Income Tax (CIT) on transactions abroad, related to judicial and administrative proceedings. In addition, the Company has US$ 5,673 of uncertain tax treatments (US$ 5,229 as of December 31, 2024), unprovisioned, in Brazil and abroad, on income taxes related to judicial and administrative proceedings.

As of June 30, 2025, the Company has other positions that can be considered as uncertain tax treatments on income taxes amounting to US$ 5,420 (US$ 4,274 as of December 31, 2024), given the possibility of different interpretation by the tax authority. These uncertain tax treatments are supported by technical assessments and tax risk assessment methodology. Therefore, Petrobras believes that such positions are likely to be accepted by the tax authorities (including judicial courts).

Thus, as of June 30, 2025, the total amount of uncertain tax treatments amounts to US$ 11,927 (US$ 10,270 as of December 31, 2024), for which Petrobras will continue to defend its position.

| 12.2. | Other taxes

Schedule of recovery reversal of net deferred tax assets and liabilities |  |  |  |  |  |  |  |
| Current assets | Non-current assets | Current liabilities | Non-current liabilities (1)
| 06.30.2025 | 12.31.2024 | 06.30.2025 | 12.31.2024 | 06.30.2025 | 12.31.2024 | 06.30.2025 | 12.31.2024
Taxes in Brazil |  |  |  |  |  |  |  |
Current / Non-current ICMS (VAT) | 567 | 461 | 684 | 599 | 1,209 | 916 | − | −
Current / Non-current PIS and COFINS (2) | 586 | 1,043 | 2,607 | 2,044 | 413 | 373 | 173 | 134
Claim to recover PIS and COFINS | − | − | 663 | 590 | − | − | − | −
Production taxes | − | − | − | − | 1,570 | 1,509 | 78 | 87
Withholding income taxes | − | − | − | − | 117 | 294 | − | −
Others | 49 | 45 | 390 | 344 | 232 | 169 | 91 | 80
Total in Brazil | 1,202 | 1,549 | 4,344 | 3,577 | 3,541 | 3,261 | 342 | 301
Taxes abroad | 5 | 6 | 38 | 24 | 12 | 23 | − | −
Total | 1,207 | 1,555 | 4,382 | 3,601 | 3,553 | 3,284 | 342 | 301
(1) Other non-current taxes are classified within other non-current liabilities in the statement of financial position.
(2) In January and February 2025, the Company used credits arising from the tax settlement program which the Company enrolled in June 2024, which ended legal disputes over relevant litigation related to the incidence of taxes on remittances abroad, to compensate tax debts.

| 12.3. | Enrollment in the tax settlement program

In June 2024, Petrobras enrolled in a tax settlement program proposed by the Brazilian National Treasury by means of the Transaction Notice PGFN-RFB 6/2024, closing relevant litigation related to the taxation of remittances abroad, arising from contracts relating to the chartering of vessels and rendering of services, settling debts under dispute (contingent liabilities) relating to the taxation of CIDE, PIS and COFINS, from 2008 to 2013. This program brought economic benefits, avoiding costs with judicial guarantees, and included a 65% discount on the debt under dispute in Brazilian reais. The payment of the tax settlement was completed in the second half of 2024, as disclosed in the consolidated financial statements as of December 31, 2024, note 17.3.

The effects of enrollment in this program resulted in a US$ 2,085 expense in the second quarter of 2024, net of reimbursements to Petrobras made by partners in E&P consortia of the amounts corresponding to their respective interests, whose enrollments in this program were approved by June 30, 2024.

Schedule of effects tax transaction in the statement of income |
Other taxes | 790
Net finance income (expense) | 2,149
Income taxes | (854)
Total effect on the statement of income | 2,085

| 13. | Employee benefits

Employee benefits are all forms of consideration given by the Company in exchange for service rendered by employees or for the termination of employment. It also includes expenses with directors and management. Such benefits include salaries, post-employment benefits, termination benefits and other benefits.

22

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of employee benefits |  |
| 06.30.2025 | 12.31.2024
Liabilities |  |
Short-term employee benefits | 1,837 | 1,517
Termination benefits | 75 | 72
Post-employment benefits | 13,276 | 11,398
Total | 15,188 | 12,987
Current | 2,739 | 2,315
Non-current | 12,449 | 10,672

| 13.1. | Short-term employee benefits

Schedule of short term employee benefits |  |
| 06.30.2025 | 12.31.2024
Accrued vacation and 13th salary | 778 | 519
Profit sharing | 339 | 384
Performance award program | 315 | 349
Salaries and related charges and other provisions (1) | 405 | 265
Total | 1,837 | 1,517
Current | 1,801 | 1,486
Non-current (2) | 36 | 31
(1) It includes advance payment related to the Collective Bargaining Agreement for the next 2 years (ACT 25/27), recognized as Other income and expenses, net (see note 6).
(2) Remaining balance relating to the four-year deferral of the variable compensation program of executive officers and the upper management.

The Company recognized the following amounts in the statement of income:

Schedule of recognized the statement of income |  |  |  |
Expenses recognized in the statement of income | Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Salaries, accrued vacations and related charges | (1,810) | (1,867) | (950) | (943)
Management fees and charges | (7) | (7) | (4) | (4)
Variable compensation programs (1) | (595) | (490) | (305) | (235)
Performance award program (2) | (278) | (179) | (144) | (100)
Profit sharing (2) | (317) | (311) | (161) | (135)
Total | (2,412) | (2,364) | (1,259) | (1,182)
(1) It includes adjustments to provisions related to previous years.
(2) Amount recognized as other income and expenses - see note 6.

| 13.1.1. | Variable compensation programs

The Company recognizes the contribution of employees to the results achieved through two programs: a) Profit sharing and results sharing; and b) Performance award program.

Profit Sharing (Participações nos lucros ou resultados - PLR)

In the six-month period ended June 30, 2025, the Company:

| · | paid US$ 403 relating to the profit sharing (PLR) for 2024, considering the regulation and individual limits according to the remuneration of each employee; and

| · | provisioned US$ 317 relating to the PLR for 2025 (US$ 311 for the same period of 2024), recorded in other income and expenses.

Performance award program (Programa de prêmio por desempenho - PRD)

In June 30, 2025, the Company:

23

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| · | paid US$ 362 relating to the performance award program (PRD) for 2024, since the Company’s and individual performance metrics were achieved in that year;

| · | provisioned US$ 277 relating to the PRD for 2025 (US$ 180 for the same period of 2024), recorded in other income and expenses, including variable compensation programs of consolidated companies.

| 13.2. | Employee benefits (post-employment)

The Company maintains a health care plan for its employees in Brazil (active and retiree) and their dependents, and five major post-employment pension plans (collectively referred to as “pension plans”).

The following table presents the balance of post-employment benefits:

Schedule of post employment benefits |  |
| 06.30.2025 | 12.31.2024
Liabilities |  |
Health Care Plan - Saúde Petrobras | 8,863 | 7,499
Petros Pension Plan - Renegotiated (PPSP-R) | 2,562 | 2,289
Petros Pension Plan - Non-renegotiated (PPSP-NR) | 884 | 779
Petros Pension Plan - Renegotiated - Pre-70 (PPSP-R Pre 70) | 461 | 395
Petros Pension Plan - Non-renegotiated - Pre-70 (PPSP-NR Pre 70) | 445 | 379
Petros 2 Pension Plan (PP-2) | 61 | 57
Total | 13,276 | 11,398
Current | 917 | 808
Non-current | 12,359 | 10,590

Health Care Plan

The health care plan Saúde Petrobras – AMS is managed and run by Petrobras Health Association (Associação Petrobras de Saúde – APS), a nonprofit civil association, and includes prevention and health care programs. The plan offers assistance to all employees, retirees, pensioners and eligible family members, according to the rules of the plan, and is open to new employees.

In June 2024, the Company and the unions entered into an agreement to resume the cost-sharing arrangement previously practiced, with 70% covered by Petrobras and 30% by the beneficiaries, effective since April 2024 (until March 2024, it was 60% covered by Petrobras and 40% by the beneficiaries).

Due to this agreement, the Company carried out an intermediate remeasurement of the actuarial liabilities of this plan, which resulted in a US$ 23 increase in actuarial liabilities, as follows: (i) a US$ 1,291 expense within other income and expenses, due to the change in the benefit costing; (ii) a US$ 1,265 gain within other comprehensive income due to the revision of actuarial assumptions, mainly the discount rate applied to actuarial liabilities.

Pension plans

The Company’s post-retirement plans are managed by Petros Foundation, a nonprofit legal entity governed by private law with administrative and financial autonomy.

Pension plans in Brazil are regulated by the National Council for Supplementary Pension (Conselho Nacional de Previdência Complementar – CNPC), which establishes all guidelines and procedures to be adopted by the plans for their management and relationship with stakeholders.

Petros Foundation periodically carries out revisions of the plans and, when applicable, establishes measures aiming at maintaining the financial sustainability of the plans.

On March 25, 2025, the Deliberative Council of Petros Foundation approved the financial statements of the pension plans for the year ended December 31, 2024, sponsored by the Company.

The net obligation with pension plans recorded by the Company is measured in accordance with the IFRS Accounting Standards requirements, which has a different measurement methodology to that applicable to pension funds in Brazil, which are regulated by the CNPC.

24

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

The following table below presents the reconciliation of the deficit of Petros Plan registered by Petros Foundation as of December 31, 2024 with the net actuarial liability registered by the Company at the same date:

Schedule of net actuarial liability |  |
| PPSP-R (1) | PPSP-NR (1)
Deficit registered by Petros | 259 | 93
Ordinary and extraordinary future contributions - sponsor | 3,744 | 1,097
Contributions related to the TFC - sponsor | 658 | 442
Financial assumptions (interest rate and inflation), changes in fair value of plan assets and actuarial valuation method | (1,976) | (474)
Net actuarial liability recorded by the Company | 2,684 | 1,158
(1) It includes the balance of PPSP-R pre-70 and PPSP-NR pre-70.

The main difference between these methodologies is that, in the CNPC criterion, Petros Foundation considers the future cash flows of normal and extraordinary sponsor’s contributions, discounted to present value, while the Company considers these cash flows as they are realized. In addition, Petros Foundation sets the real interest rate based on profitability expectations and on parameters set by the Superintendência Nacional de Previdência Complementar - PREVIC (National Supplementary Pension Authority), while the Company uses a rate that combines the maturity profile of the obligations with the yield curve of government bonds. Regarding the plan assets, Petros Foundation marks government bonds at market value or on the curve, while the Company marks all of them at market value.

| 13.2.1. | Actuarial liabilities recognized in the statement of financial position, related to defined benefit plans

Net actuarial liabilities represent the obligations of the Company, net of the fair value of plan assets (when applicable), at present value.

Changes in the actuarial liabilities related to pension and health care plans with defined benefit characteristics is presented as follows:

Schedule of changes in the actuarial liabilities |  |  |  |  |
|  |  |  |  | 2025
| Pension Plans | Health Care Plan | Total
| PPSP-R (1) | PPSP-NR (1) | Petros 2 | Saúde Petrobras-AMS |
Amounts recognized in the Statement of Financial Position |  |  |  |  |
Balance at December 31, 2024 | 2,684 | 1,158 | 58 | 7,498 | 11,398
Recognized in the Statement of Income | 179 | 76 | 3 | 589 | 847
Current service cost | 2 | − | − | 81 | 83
Net interest | 177 | 76 | 3 | 508 | 764
Recognized in Equity - other comprehensive income | − | − | − | 1 | 1
(Gains)/losses arising from the remeasurement | − | − | − | 1 | 1
Cash effects | (199) | (64) | (6) | (253) | (522)
Contributions paid | (185) | (56) | (6) | (253) | (500)
Payments related to Term of financial commitment (TFC) | (14) | (8) | − | − | (22)
Other changes | 359 | 159 | 6 | 1,028 | 1,552
Translation Adjustment | 359 | 159 | 6 | 1,028 | 1,552
Balance at June 30, 2025 | 3,023 | 1,329 | 61 | 8,863 | 13,276
(1) It includes the balance of PPSP-R pre-70 and PPSP-NR pre-70.

25

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

|  |  |  |  | 2024
| Pension Plans | Health Care Plan | Total
| PPSP-R (1) | PPSP-NR (1) | Petros 2 | Saúde Petrobras-AMS |
Balance at December 31, 2023 | 4,740 | 1,799 | 181 | 9,662 | 16,382
Recognized in the Statement of Income | 210 | 80 | 7 | 1,838 | 2,135
Past service cost | − | − | − | 1,291 | 1,291
Current service cost | 4 | 1 | − | 115 | 120
Net interest | 206 | 79 | 7 | 432 | 724
Recognized in Equity - other comprehensive income | − | − | − | (1,265) | (1,265)
(Gains)/losses arising from the remeasurement (2) | − | − | − | (1,265) | (1,265)
Cash effects | (215) | (66) | (6) | (195) | (482)
Contributions paid | (201) | (59) | (6) | (195) | (461)
Payments related to Term of financial commitment (TFC) | (14) | (7) | − | − | (21)
Other changes | (611) | (233) | (24) | (1,282) | (2,150)
Translation Adjustment | (611) | (233) | (24) | (1,282) | (2,150)
Balance at June 30, 2024 | 4,124 | 1,580 | 158 | 8,758 | 14,620
(1) It includes the balance of PPSP-R pre-70 and PPSP-NR pre-70.
(2) Effects of the intermediate remeasurement on the health care plan, which changed the cost-sharing arrangement.

The net expense with pension and health care plans is presented below:

Schedule of net expense with pension and health care plans |  |  |  |  |
|  | Pension Plans | Health Care Plan | Total
| PPSP-R (1) | PPSP-NR (1) | Petros 2 | Saúde Petrobras
Related to active employees (cost of sales and expenses) | (13) | (1) | − | (194) | (208)
Related to retirees (other income and expenses) | (166) | (75) | (3) | (395) | (639)
Net costs for Jan-Jun/2025 | (179) | (76) | (3) | (589) | (847)
Related to active employees (cost of sales and expenses) (2) | (19) | (5) | (1) | (508) | (533)
Related to retirees (other income and expenses) (3) | (191) | (75) | (6) | (1,330) | (1,602)
Net costs for Jan-Jun/2024 | (210) | (80) | (7) | (1,838) | (2,135)
(1) It includes the balance of PPSP-R pre-70 and PPSP-NR pre-70.
(2) It includes the effects of the intermediate remeasurement on the health care plan, which changed the cost-sharing arrangement, amounting to US$ 291.
(3) It includes the effects of the intermediate remeasurement on the health care plan, which changed the cost-sharing arrangement, amounting to US$ 1,000.
|  | Pension Plans | Health Care Plan | Total
| PPSP-R (1) | PPSP-NR (1) | Petros 2 | Saúde Petrobras
Related to active employees (cost of sales and expenses) | (7) | − | − | (99) | (106)
Related to retirees (other income and expenses) | (84) | (38) | (2) | (200) | (324)
Net costs for Apr-Jun/2025 | (91) | (38) | (2) | (299) | (430)
Related to active employees (cost of sales and expenses) (2) | (11) | (3) | − | (395) | (409)
Related to retirees (other income and expenses) (3) | (92) | (36) | (3) | (1,162) | (1,293)
Net costs for Apr-Jun/2024 | (103) | (39) | (3) | (1,557) | (1,702)
(1) It includes the balance of PPSP-R pre-70 and PPSP-NR pre-70.
(2) It includes the effects of the intermediate remeasurement on the health care plan, which changed the cost-sharing arrangement, amounting to US$ 291.
(3) It includes the effects of the intermediate remeasurement on the health care plan, which changed the cost-sharing arrangement, amounting to US$ 1,000.

| 13.2.2. | Contributions

In the six-month period ended June 30, 2025, the Company contributed with US$ 522 (US$ 482 in the same period of 2024), to the defined benefit plans (reducing the balance of obligations of these plans, as presented in note 13.2.2), and with US$ 112 and US$ 0.9, respectively, to the defined contribution portions of PP-2 and PP-3 plans
(US$ 115 for PP-2 and US$ 1 for PP-3 in the same period of 2024), which were recognized in the statement of income.

26

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 14. | Provisions for legal proceedings, judicial deposits and contingent liabilities

| 14.1. | Provisions for legal proceedings

The Company recognizes provisions for legal, administrative and arbitral proceedings, based on the best estimate of the costs, for which it is probable that an outflow of resources embodying economic benefits will be required and that can be reliably estimated. These proceedings mainly include:

| · | Tax claims including: (i) tax notices for alleged non-compliance with ancillary obligations; (ii) claims relating to benefits previously taken for Brazilian federal tax credits applied that were subsequently alleged to be disallowable, including disallowance of PIS and COFINS tax credits; and (iii) claims for alleged non-payment of social security contributions on allowances and bonuses.

| · | Labor claims, in particular: (i) several individual and collective labor claims; (ii) opt-out claims related to a review of the methodology by which the minimum compensation based on an employee's position and work schedule (Remuneração Mínima por Nível e Regime - RMNR) is calculated; and (iii) actions of outsourced employees.

| · | Civil claims, in particular: (i) lawsuits related to contracts; (ii) lawsuits that discuss matters related to pension plans managed by Petros; and (iii) legal and administrative proceedings involving fines applied by the ANP - Brazilian Agency of Petroleum, Natural Gas and Biofuels (Agência Nacional de Petróleo, Gás Natural e Biocombustíveis), mainly relating to production measurement systems.

| · | Environmental claims, specially: (i) fines relating to an environmental accident in the State of Paraná in 2000; (ii) fines relating to the Company’s offshore operation; and (iii) public civil action for oil spill in 2004 in Serra do Mar-São Paulo State Park.

Provisions for legal proceedings are set out as follows:

Schedule of provisions for legal proceedings |  |
Non-current liabilities | 06.30.2025 | 12.31.2024
Labor claims | 752 | 636
Tax claims | 454 | 400
Civil claims | 1,465 | 1,605
Environmental claims | 219 | 192
Total | 2,890 | 2,833

Schedule of reconciliation of provisions for legal proceedings |  |
| Jan-Jun/2025 | Jan-Jun/2024
Opening Balance | 2,833 | 3,305
Additions, net of reversals | 137 | 257
Use of provision | (634) | (263)
Revaluation of existing proceedings and interest charges | 199 | 270
Others | (8) | 8
Translation adjustment | 363 | (452)
Closing Balance | 2,890 | 3,125

In preparing its unaudited condensed consolidated interim financial statements for the six-month period ended June 30, 2025, the Company considered all available information concerning legal proceedings in which the Company is a defendant, in order to estimate the amounts of obligations and probability that outflows of resources will be required.

| 14.2. | Judicial deposits

The Company makes deposits in judicial phases, mainly to suspend the chargeability of the tax debt and to maintain its tax compliance. Judicial deposits are set out in the table below according to the nature of the corresponding lawsuits:

Schedule of non-current assets |  |
Non-current assets | 06.30.2025 | 12.31.2024
Tax | 9,828 | 8,187
Labor | 849 | 777
Civil | 3,512 | 2,694
Environmental and others | 110 | 90
Total | 14,299 | 11,748

27

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of reconciliation of judicial deposits with legal proceedings |  |
| Jan-Jun/2025 | Jan-Jun/2024
Opening Balance | 11,748 | 14,746
Additions | 438 | 670
Use (1) | (71) | (1,338)
Accruals and charges | 552 | 298
Others | − | 9
Translation adjustment | 1,632 | (1,906)
Closing Balance | 14,299 | 12,479
(1) In the six-month period ended June 30, 2024, the Company used credits arising from the enrollment to the tax settlement program proposed in the Transaction Notice PGFN-RFB 6/2024, which ended legal disputes over relevant litigation related to the incidence of taxes on remittances abroad.

The Company maintains a Negotiated Legal Proceeding (NJP) agreement with the Brazilian National Treasury Attorney General's Office (PGFN), aiming to postpone judicial deposits related to federal tax lawsuits with values exceeding US$ 37 (R$ 200 million), which allows judicial discussion without the immediate disbursement.

To achieve this, the Company makes production capacity available as a guarantee from the Tupi, Sapinhoá, and Roncador fields. As the judicial deposits are made, the mentioned capacity is released for other processes that may be included in the NJP.

The Company’s management understands that the mentioned NJP provides greater cash predictability and ensures the maintenance of federal tax regularity. As of June 30, 2025, the balance of production capacity held in guarantee in the NJP is US$ 2,466 (US$ 2,158 as of December 31, 2024).

| 14.3. | Contingent liabilities

The estimates of contingent liabilities are indexed to inflation and updated by applicable interest rates. As of June 30, 2025, estimated contingent liabilities for which the possibility of loss is classified as possible are set out in the following table:

Schedule of estimated contingent liabilities for which the possibility of loss is classified as possible |  |
Nature | 06.30.2025 | 12.31.2024
Tax | 23,882 | 21,307
Labor | 1,873 | 6,465
Civil | 13,810 | 10,910
Environmental and others | 1,506 | 1,298
Total | 41,071 | 39,980

The main contingent liabilities are:

| · | Tax matters comprising: (i) income from foreign subsidiaries and associates not included in the computation of taxable income (IRPJ and CSLL); (ii) disapproval of PIS and COFINS tax compensation due to credit disallowance; (iii) collection of PIS and COFINS, resulting from the payment of taxes negotiated with the Brazilian Federal Government, excluding the payment of fines; (iv) incidence of social security contributions on the payment of bonuses; (v) collection of ICMS involving several states; (vi) withholding income tax (IRRF) on remittances for payments of vessel charters; and (vii) collection of IRPJ and CSLL on transfer price.

| · | Labor matters, comprising several labor claims.

| · | Civil matters comprising mainly: (i) lawsuits related to contracts; (ii) administrative and legal proceedings challenging an ANP order requiring Petrobras to pay additional special participation fees and royalties (production taxes) with respect to several oil fields, including unitization of deposits and reservoirs; (iii) claims that discuss topics related to pension plans managed by Petros; (iv) fines from regulatory agencies, mainly ANP; and (v) judicial and arbitration proceedings that discuss disposal of assets carried out by Petrobras.

| · | Environmental matters comprising indemnities for damages and fines related to the Company operations.

| 14.3.1. | Minimum Compensation Based on Employee's Position and Work Schedule (Remuneração Mínima por Nível e Regime - RMNR)

The RMNR consists of a minimum remuneration guaranteed to employees, based on salary level, work schedule and geographic location. This remuneration policy was created and implemented by Petrobras in 2007 through collective negotiation with union representatives, and approved at employee meetings, with the formula for calculating the supplement to this minimum remuneration adopted by the Company later being questioned in court by employees and Unions.

28

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

The Superior Labor Court (TST) established criteria different from those agreed and reached an understanding partially contrary to the Company, deciding to exclude some portions of the calculation, which was consolidated in Theme 13 of the TST's Repetitive Appeals. The Brazilian Federal Supreme Court (STF), which accepted the Company's appeal, recognized in March 2024 that the calculation formula used by the Company is valid and in accordance with what was negotiated between the parties. In April 2025, the TST, accepting the STF's decision, declared the aforementioned Theme 13 to be obsolete, revoking it.

The Company has been adjusting the expectation of loss in collective actions regarding RMNR from possible to remote and has been adjusting the expectation of loss in individual cases, according to their procedural progress.

As there are several legal actions at different procedural stages, the Company monitors the application of the precedent to the respective processes, whose expectations have been changed or terminated, according to their progress in Court. In the second quarter of 2025, there was a final decision in favor of the Company, relating to the claim of the Norte Fluminense Union, which reduced this contingent liability, in the amount of US$ 5,420 (R$ 29,576 million).

As of June 30, 2025, the balance of provisions for legal proceedings regarding RMNR amounts to US$ 91 (US$ 88 as of December 31, 2024), while the contingent liabilities amount to US$ 179 (US$ 4,934 as of December 31, 2024).

| 14.4. | Class action and related proceedings

| 14.4.1. | Class action in the Netherlands

On January 23, 2017, Stichting Petrobras Compensation Foundation ("Foundation") filed a class action in the Netherlands, at the District Court of Rotterdam, against Petróleo Brasileiro S.A. – Petrobras, Petrobras International Braspetro B.V. (PIB BV), Petrobras Global Finance B.V. (PGF), Petrobras Oil & Gas B.V. (PO&G) and some former Petrobras managers. The Foundation alleges that it represents the interests of an unidentified group of investors and asserts that, based on the facts revealed by the Lava-Jato Operation, the defendants acted illegally before the investors. On May 26, 2021, the District Court of Rotterdam decided that the class action should proceed and that the arbitration clause of Petrobras' bylaws does not prevent the Company's shareholders from having access to the Dutch Judiciary and have their interests represented by the “Foundation”. However, the interests of investors who have already started arbitration against Petrobras or who are parties to legal proceedings in which the applicability of the arbitration clause has been definitively recognized are excluded from the scope of the action.

On July 26, 2023, the Court issued an intermediary decision on the merits which provided the following understanding: (i) the requests made against PIB BV, PO&G and certain former members of the Company’s management were rejected; (ii) the Court declared that Petrobras and the PGF acted illegally in relation to their investors, although the Court expressed it does not consider itself sufficiently informed about relevant aspects of Brazilian, Argentine and Luxembourger laws to definitively decide on the merits of the action; and iii) the alleged rights under Spanish legislation are prescribed.

Regarding the aspects of Brazilian, Argentine and Luxembourger laws considered relevant to the sentence, the Court ordered the production of technical evidence by Brazilian and Argentine experts and by Luxembourger authorities.

On October 30, 2024, after the parties' comments on the technical evidence, the District Court of Rotterdam issued a ruling, in which it broadly accepted Petrobras' arguments regarding the requests presented in favor of the Company's shareholders and considered that: i) in accordance with Brazilian legislation, all damages alleged by the Foundation qualify as indirect and are not subject to compensation; and ii) according to Argentine law, shareholders cannot, in principle, request compensation from the Company for damages alleged by the Foundation, and the Foundation has not demonstrated that it represents a sufficient number of investors who could, in theory, present such a request.

Therefore, the District Court of Rotterdam rejected the Foundation's allegations in accordance with Brazilian and Argentine law, which resulted in the rejection of all requests made in favor of shareholders. With respect to certain bondholders, the Court considered that Petrobras and PGF acted illegally under Luxembourg law, while PGF acted illegally under Dutch law.

Furthermore, the District Court of Rotterdam confirmed the following issues of the decision released to the market on July 26, 2023: (i) rejection of the allegations against PIBBV, POG BV and the former CEOs of Petrobras, Maria das Graças Silva Foster and José Sérgio Gabrielli de Azevedo; and (ii) prescription of requests formulated in accordance with Spanish legislation.

The Foundation and PGF have appealed against the ruling and previous interim decisions. Petrobras will still be able to present its own appeal, within the deadline for responding to the Foundation's appeal.

In relation to bondholders, the Foundation cannot claim compensation under the class action, which will depend not only on a final result favorable to the interests of the investors in the class action, but also on the filing of subsequent actions by or on behalf of the investors by the Foundation itself, an opportunity in which Petrobras and PGF will be able to offer all the defenses already presented in the class action and others that it deems appropriate, including in relation to the occurrence and quantification of any damages that must be proven by the potential beneficiaries of the decision or by the Foundation. Any compensation for the alleged damages will only be determined by court decisions in subsequent actions.

29

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

This class action involves complex issues and the outcome is subject to substantial uncertainties, which depend on factors such as: the scope of the arbitration clause of the Petrobras Bylaws, the jurisdiction of the Dutch court, the scope of the agreement that ended the Class Action in the United States, the Foundation's legitimacy to represent the interests of investors, the several laws applicable to the case, the information obtained from the production phase of evidence, the expert analyses, the timetable to be defined by the Hague Court of Appeal and the judicial decisions on key issues of the process, possible appeals, including before the Dutch Supreme Court, as well as the fact that the Foundation seeks only a declaratory decision in this class action.

The Company, based on the assessments of its advisors, considers that there are not enough indicative elements to qualify the universe of potential beneficiaries of a possible final decision unfavorable to Petrobras' interests, nor to quantify the supposedly compensable damages.

Thus, it is currently not possible to predict whether the Company will be liable for the effective payment of damages in any future individual claims, as this analysis will depend on the outcome of these complex procedures. In addition, it is not possible to know which investors will be able to bring subsequent individual actions related to this matter against Petrobras.

Furthermore, the claims formulated are broad, cover a multi-year period and involve a wide variety of activities and, in the current scenario, the impacts of such claims are highly uncertain. The uncertainties inherent in all of these issues affect the duration of final resolution of this action. As a result, Petrobras is unable to estimate an eventual loss resulting from this action. However, Petrobras continues to reject the Foundation's allegations, in relation to which it was considered a victim by all Brazilian authorities, including the STF.

Petrobras and its subsidiaries reject the allegations made by the Foundation and will continue to defend themselves vigorously.

| 14.4.2. | Arbitration and other legal proceedings in Argentina

In relation to the arbitration in Argentina, the Argentine Supreme Court denied the appeal, but the Consumidores Damnificados Asociación Civil para su Defensa (formerly Consumidores Financieros Asociación Civil, "Association") filed a new appeal to the Argentine Supreme Court, which was also denied, thus the arbitration was sent to the Arbitration Court. This arbitration discusses Petrobras' liability for an alleged loss of market value of Petrobras' shares in Argentina, as a result of the so-called Lava Jato Operation. The Company does not have elements that allow it to provide a reliable estimate of the potential loss in this arbitration.

In parallel to such arbitration, the Association also initiated a collective action before the Civil and Commercial Court of Buenos Aires, in Argentina, with Petrobras appearing spontaneously on April 10, 2023, within the scope of which it alleges Petrobras' responsibility for an alleged loss of the market value of Petrobras' securities in Argentina, as a result of allegations made within the scope of Lava Jato Operation and their impact on the Company's financial statements prior to 2015. Petrobras presented its defense on August 30, 2023. Petrobras denies the allegations presented by the Association and will defend itself against the accusations made by the author of the class action. The Company does not have elements that allow it to provide a reliable estimate of the potential loss in this arbitration.

Regarding criminal proceeding in Argentina related to an alleged fraudulent offer of securities, aggravated by the fact that Petrobras allegedly declared false data in its financial statements prior to 2015, the Court of Appeals revoked, on October 21, 2021, the lower court decision that had recognized Petrobras' immunity from jurisdiction and recommended that the lower court judge take steps to certify whether the Company could be considered criminally immune in Argentina for further reassessment of the issue. After carrying out the steps determined by the Court of Appeals, on May 30, 2023, the lower court denied the recognition of immunity from jurisdiction to Petrobras. Petrobras filed an appeal against this decision, which was recognized by the Court of Appeals on April 18, 2024. Against this decision, the Association filed a new appeal, and on December 20, 2024, the Court of Cassation reformed the decision of the Court of Appeals to deny Petrobras' immunity from jurisdiction, which, in turn, appealed to the Supreme Court to reinstate the Court of Appeals decision. On December 27, 2024, before the decision of the Court of Cassation became final, the court of first instance ordered to sue Petrobras and a precautionary injunction, which was appealed to the Court of Appeals that revoked the processing decision and the precautionary embargo on April 3, 2025. In another procedural aspect, on September 15, 2022, the Court of Cassation recognized the Association the right to represent financial consumers. The Company's appeal against this decision was rejected on February 21, 2025. Petrobras presented other procedural defenses, which may be re-discussed in later stages of the process. This criminal action is being processed before the Economic Criminal Court No. 2 of the city of Buenos Aires.

As for the other criminal action for alleged non-compliance with the obligation to publish a “press release” in the Argentine market about the existence of a class action filed by Consumidores Damnificados Asociación Civil before the Commercial Court, on March 25, 2025, the 1st instance of the Argentine Court closed the action because it considered that there was no relevant fact that should be reported under local legislation. As there was no appeal, the decision became final.

30

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 14.4.3. | Lawsuit in United States regarding Sete Brasil Participações S.A (“Sete”)

The EIG Energy Fund XIV, L.P. and affiliates (“EIG”) filed a lawsuit against Petrobras, before the District Court of Columbia, United States, to recover alleged losses related to its investment in Sete Brasil Participações S.A. On August 8, 2022, the judge upheld EIG's claim as to Petrobras' responsibility for the alleged losses (which was recorded in 2022 as provisions for legal proceedings) but denied the motion for summary judgment with respect to damages, whereby the award of compensation became subject to the proof of damages by EIG at a hearing and to the consideration of the defenses by the Company. In the same decision, whose effects were recognized in the Company's financial statements in 2022, the judge denied the request to dismiss the case based on Petrobras' immunity from jurisdiction, when an appeal was filed with the Federal Court of Appeals for the District of Columbia, which was denied in June 2024. Petrobras then submitted a request to review the issue, which was rejected on July 24, 2024. As a result, the process, which had been suspended by the lower court judge on October 26, 2022 due to the filing of the appeal by Petrobras, resumed its course.

On August 26, 2022, on another procedural front initiated by the EIG, the District Court of Amsterdam granted a precautionary measure to block certain Petrobras assets in the Netherlands. This granting was based on the decision of the District Court of Columbia, on August 8, 2022, and was intended to ensure the satisfaction of EIG's claims contained in the aforementioned US lawsuit.

On March 7, 2025, Petrobras and EIG entered into an agreement to end litigation between the parties. Under the terms of this agreement, Petrobras paid EIG the amount of US$ 283, while EIG requested the termination of the lawsuit pending in the District Court of Columbia and the cancellation of the precautionary measure blocking the Company's assets in the Netherlands, as well as waived any rights related to the dispute. Therefore, there is no further legal dispute between the parties regarding this matter.

This agreement does not constitute admission of guilt or wrongdoing by Petrobras and meets the best interests of the Company and its shareholders, considering the US legislation applicable to the trial of the case, as well as the procedural stage and characteristics of litigations in the Federal Courts of the United States.

| 14.4.4. | Arbitrations proposed by non-controlling shareholders in Brazil

There were no relevant changes in the six-month period ended June 30, 2025.

For more information, see explanatory note 19.5 to the financial statements for the year ended December 31, 2024.

| 15. | Provision for decommissioning costs

The following table details the amount of the provision for decommissioning costs by producing area:

Schedule of provision for decommissioning costs by producing area |  |
| 06.30.2025 | 12.31.2024
Onshore | 559 | 493
Shallow waters | 8,382 | 7,266
Deep and ultra-deep post-salt | 13,458 | 12,071
Pre-salt | 7,337 | 6,373
Total | 29,736 | 26,203
Current | 2,514 | 1,696
Non-current | 27,222 | 24,507

Changes in the provision for decommissioning costs are presented as follows:

Schedule of changes in the provision for decommissioning costs are presented |  |
Non-current liabilities | Jan-Jun/2025 | Jan-Jun/2024
Opening balance | 26,202 | 23,202
Adjustment to provision | 8 | 74
Transfers related to liabilities held for sale (1) | 100 | (332)
Use of provisions | (721) | (694)
Interest accrued | 629 | 516
Others | (12) | 15
Translation adjustment | 3,530 | (2,967)
Closing balance | 29,736 | 19,814

31

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 16. | Other assets and liabilities

Schedule of other assets and liabilities |  |
Assets |  | 06.30.2025 | 12.31.2024
Escrow account and/ or collateral |  | 691 | 750
Advances to suppliers |  | 2,615 | 2,207
Prepaid expenses |  | 403 | 351
Derivatives transactions |  | 73 | 29
Assets related to E&P partnerships |  | 146 | 378
Others |  | 453 | 336
|  | 4,381 | 4,051
Current |  | 1,414 | 1,550
Non-Current |  | 2,967 | 2,501
Liabilities |  | 06.30.2025 | 12.31.2024
Obligations arising from divestments |  | 904 | 914
Contractual retentions |  | 825 | 611
Advances from customers |  | 285 | 270
Provisions for environmental expenses, research and development and fines |  | 888 | 681
Other taxes (note 12.2) |  | 342 | 301
Unclaimed dividends |  | 280 | 276
Derivatives transactions |  | 94 | 129
Obligations arising from acquisition of equity interests |  | 152 | 130
Various creditors |  | 94 | 99
Others |  | 475 | 414
|  | 4,339 | 3,825
Current |  | 2,577 | 2,205
Non-Current |  | 1,762 | 1,620

| 17. | Property, plant and equipment

| 17.1. | By class of assets

Schedule of property, plant and equipment by class of assets |  |  |  |  |  |
| Land, buildings and improvement | Equipment and other assets (1) | Assets under construction (2) | Exploration and development costs (3) | Right-of-use assets | Total
Balance at December 31, 2024 | 2,485 | 45,807 | 24,384 | 35,921 | 27,688 | 136,285
Cost | 3,895 | 96,963 | 30,321 | 67,357 | 42,366 | 240,902
Accumulated depreciation and impairment (4) | (1,410) | (51,156) | (5,937) | (31,436) | (14,678) | (104,617)
Additions | − | 21 | 7,472 | 74 | 8,367 | 15,934
Decommissioning costs - Additions to / review of estimates | − | − | − | 6 | − | 6
Capitalized borrowing costs | − | − | 911 | − | − | 911
Write-offs | (1) | (27) | (290) | (4) | (14) | (336)
Transfers (5) | 103 | 2,489 | (3,438) | 1,466 | − | 620
Transfers to assets held for sale | − | (1) | − | − | − | (1)
Depreciation, amortization and depletion | (49) | (2,641) | − | (2,157) | (3,498) | (8,345)
Impairment recognition (note 19) | (3) | (116) | (17) | (10) | (84) | (230)
Impairment reversal (note 19) | − | 4 | − | − | − | 4
Translation adjustment | 339 | 6,168 | 3,507 | 4,766 | 3,999 | 18,779
Balance at June 30, 2025 | 2,874 | 51,704 | 32,529 | 40,062 | 36,458 | 163,627
Cost | 4,503 | 112,058 | 39,137 | 78,019 | 55,814 | 289,531
Accumulated depreciation and impairment (4) | (1,629) | (60,354) | (6,608) | (37,957) | (19,356) | (125,904)

32

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Balance at December 31, 2023 | 2,687 | 58,409 | 21,516 | 40,432 | 30,380 | 153,424
Cost | 4,634 | 118,173 | 31,467 | 74,809 | 44,829 | 273,912
Accumulated depreciation and impairment (4) | (1,947) | (59,764) | (9,951) | (34,377) | (14,449) | (120,488)
Additions | − | 188 | 6,096 | 32 | 3,059 | 9,375
Decommissioning costs - Additions to / review of estimates | − | − | − | 66 | − | 66
Capitalized borrowing costs | − | − | 755 | − | − | 755
Write-offs | (3) | (14) | (128) | (5) | (25) | (175)
Transfers (5) | (40) | 1,668 | (2,459) | 1,054 | (17) | 206
Transfers to assets held for sale | − | (21) | (5) | (109) | − | (135)
Depreciation, amortization and depletion | (38) | (2,554) | − | (1,979) | (3,068) | (7,639)
Impairment reversal (note 19) | 3 | 32 | 2 | − | 13 | 50
Translation adjustment | (339) | (7,463) | (3,155) | (5,099) | (3,920) | (19,976)
Balance at June 30, 2024 | 2,270 | 50,245 | 22,622 | 34,392 | 26,422 | 135,951
Cost | 3,927 | 103,923 | 31,292 | 66,123 | 40,499 | 245,764
Accumulated depreciation and impairment (4) | (1,657) | (53,678) | (8,670) | (31,731) | (14,077) | (109,813)
(1) It is composed of production platforms, refineries, thermoelectric power plants, natural gas processing plants, pipelines, and other operating, storage and production plants, including subsea equipment for the production and flow of oil and gas, depreciated based on the units of production method.
(2) See note 8 for assets under construction by operating segment.
(3) It is composed of exploration and production assets related to wells, abandonment and dismantling of areas, signature bonuses associated with proved reserves and other costs directly associated with the exploration and production of oil and gas, except for assets under "Equipment and other assets".
(4) In the case of land and assets under construction, it refers only to impairment losses.
(5) It mainly includes transfers between classes of assets and transfers from advances to suppliers.

Additions to assets under construction are mainly due to investments in the development of production in the Búzios field and fields in the Campos basin, Santos basin and Espírito Santo basin. As for additions to right-of-use assets primarily relate to the FPSO Almirante Tamandaré in the Búzios field, the FPSO Alexandre de Gusmão in the Mero field, rigs for E&P operations, and extension of the lease agreement for the FPSO Cidade de Angra dos Reis in the Tupi field.

| 17.2. | Estimated useful life

The useful life of assets depreciated are shown below:

Schedule of useful life of assets |
Asset | Weighted average useful life in years
Buildings and improvement | 38 (between 25 and 50)
Equipment and other assets | 22 (between 1 to 31) - except assets by the units of production method
Exploration and development costs | Units of production method or 20 years
Right-of-use | 14 (between 2 and 50)

| 17.3. | Right-of-use assets

The right-of-use assets comprise the following underlying assets:

Schedule of accumulated depreciation and impairment |  |  |  |
| Platforms | Vessels | Properties | Total
Cost | 31,274 | 21,778 | 2,762 | 55,814
Accumulated depreciation and impairment | (6,560) | (11,823) | (973) | (19,356)
Balance at June 30, 2025 | 24,714 | 9,955 | 1,789 | 36,458
Cost | 22,484 | 17,542 | 2,340 | 42,366
Accumulated depreciation and impairment | (4,712) | (9,216) | (750) | (14,678)
Balance at December 31, 2024 | 17,772 | 8,326 | 1,590 | 27,688

| 17.4. | Production Individualization Agreements (AIPs)

Petrobras has AIPs signed in Brazil with partner companies in E&P consortia. These agreements result in reimbursements payable to (or receivable from) partners regarding expenses and production volumes mainly related to Agulhinha, Albacora Leste, Berbigão, Budião Noroeste, Budião Sudeste, Caratinga, Sururu and the pre-salt layer of Jubarte.

33

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Provision for equalizations (1)

The table below presents changes in the reimbursements payable relating to the execution of the AIPs submitted to the approval of the ANP:

Schedule of reimbursements payable relating to the execution |  |  |  |  |  |
|  |  |  |  | Jan-Jun/2025 | Jan-Jun/2024
Opening balance |  |  |  |  | 577 | 462
Additions to PP&E, net of write-offs |  |  |  |  | (353) | 118
Payments made |  |  |  |  | − | (1)
Other income and expenses |  |  |  |  | 676 | 25
Translation adjustments |  |  |  |  | 97 | (70)
Closing balance (1) |  |  |  |  | 997 | 534
(1) Notably Berbigão, Sururu, Agulhinha and the pre-salt layer of Jubarte.

In May 2025, the Company submitted for approval of the ANP the AIP of the Jubarte pre-salt layer shared reservoir in the Campos Basin, comprising the following areas:

| · | Jubarte Field area (BC-60) representing 97.25% of the shared reservoir;

| · | Non-contracted areas (Brazilian Federal Government, represented by PPSA) representing 1.89% of the shared reservoir; and

| · | Argonauta Field area (BC-10) representing 0.86% of the shared reservoir.

In July 2025, this AIP was approved by the ANP, effective as of August 1, 2025.

With the approval of the AIP, negotiations for the Agreement on Expenditure and Volume Equalization will begin, enabling the financial settlement of previously provisioned amounts upon its conclusion.

| 17.5. | Capitalization rate used to determine the amount of borrowing costs eligible for capitalization

The capitalization rate used to determine the amount of borrowing costs eligible for capitalization was the weighted average of the borrowing costs applicable to the borrowings that were outstanding during the period, other than borrowings made specifically for the purpose of obtaining a qualifying asset. For the six-month period ended June 30, 2025, the capitalization rate was 7.17% p.a. (7.14% p.a. for the six-month period ended June 30, 2024).

34

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 18. | Intangible assets

| 18.1. | By class of assets

Schedule of intangible assets by class of assets |  |  |  |
| Rights and Concessions (1) | Software | Goodwill | Total
Balance at December 31, 2024 | 1,697 | 538 | 20 | 2,255
Cost | 1,750 | 1,663 | 20 | 3,433
Accumulated amortization and impairment | (53) | (1,125) | − | (1,178)
Addition | 7 | 106 | − | 113
Capitalized borrowing costs | − | 5 | − | 5
Write-offs | − | (1) | − | (1)
Transfers | − | 2 | − | 2
Amortization | (2) | (70) | − | (72)
Impairment recognition (note 19) | (165) | − | − | (165)
Translation adjustment | 219 | 73 | 3 | 295
Balance at June 30, 2025 | 1,756 | 653 | 23 | 2,432
Cost | 1,973 | 1,980 | 23 | 3,976
Accumulated amortization and impairment | (217) | (1,327) | − | (1,544)
Estimated useful life in years | Indefinite (2) | 5 | Indefinite |
Balance at December 31, 2023 | 2,425 | 592 | 25 | 3,042
Cost | 2,489 | 1,891 | 25 | 4,405
Accumulated amortization and impairment | (64) | (1,299) | − | (1,363)
Addition | 1 | 101 | − | 102
Capitalized borrowing costs | − | 4 | − | 4
Transfers | − | 4 | − | 4
Amortization | (2) | (65) | − | (67)
Translation adjustment | (312) | (82) | (3) | (397)
Balance at June 30, 2024 | 2,112 | 554 | 22 | 2,688
Cost | 2,169 | 1,736 | 22 | 3,927
Accumulated amortization and impairment | (57) | (1,182) | − | (1,239)
Estimated useful life in years | Indefinite (2) | 5 | Indefinite |
(1) It comprises mainly signature bonuses (amounts paid in concession and production sharing contracts for oil or natural gas exploration), in addition to public service concessions, trademarks and patents and others.
(2) Mainly composed of assets with indefinite useful lives, which are reviewed annually to determine whether events and circumstances continue to support an indefinite useful life assessment.

| 19. | Impairment

Schedule of statement of income |  |  |  |
Statement of income | Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Impairment (losses) reversals | (240) | 46 | (190) | 37
Exploratory assets | (208) | − | − | −
Impairment of equity-accounted investments | 3 | 18 | 3 | 1
Net effect within the statement of income | (445) | 64 | (187) | 38
Losses | (454) | (6) | (190) | (1)
Reversals | 9 | 70 | 3 | 39

Schedule of statement of financial position |  |  |  |
Statement of financial position | Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Property, plant and equipment | (226) | 50 | (133) | 37
Intangible assets | (165) | − | − | −
Assets classified as held for sale | (57) | 8 | (57) | −
Investments | 3 | 6 | 3 | 1
Net effect within the statement of financial position | (445) | 64 | (187) | 38

35

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

The Company annually tests its assets for impairment or when there is an indication that their carrying amount may not be recoverable, or that there may be a reversal of impairment losses recognized in previous years. In the six-month period ended June 30, 2025, net impairment losses were recognized in the amount of US$ 445, mainly due to:

| · | the economic unfeasibility of blocks C-M-753 and C-M-789, located in the Campos basin, which resulted in the recognition of a US$ 208 impairment loss;

| · | the contract amendment for the lease of FPSO Cidade de Santos (Uruguá CGU), due to the need to extend the contractual term until the end of 2026 for the decommissioning of this asset, which resulted in the recognition of a US$ 83 impairment loss;

| · | additional financial compensation for the Cherne Cluster, due to the accident on platform PCH-1, which occurred in the second quarter of 2025, which resulted in the recognition of a US$ 57 impairment loss.

In the six-month period ended June 30, 2024, net impairment reversals were recognized in the amount of US$ 64, mainly due to: (i) a US$ 37 impairment reversal of property, plant and equipment after management approval of the return of the operational activities of the fertilizer plant Araucária Nitrogenados S.A. (ANSA); (ii) a US$ 13 impairment reversal of property, plant and equipment following the increase of the occupied area of building Torre Pituba; and (iii) a US$ 12 impairment reversal of equity-accounted investments, following the approval for the sale of the Company’s 18.8% interest in the share capital of UEG Araucária S.A., resulting in the reclassification of this equity-accounted investment to assets classified as held for sale and its registration at fair value less costs to sell.

| 20. | Exploration and evaluation of oil and gas reserves

Changes in the balances of capitalized costs directly associated with exploratory wells pending determination of proved reserves and the balance of amounts paid for obtaining rights and concessions for exploration of oil and natural gas (capitalized acquisition costs) are set out in the following table:

Schedule of changes in capitalized costs |  |
Capitalized Exploratory Well Costs / Capitalized Acquisition Costs (1) | Jan-Jun/2025 | Jan-Jun/2024
Property plant and equipment |  |
Opening Balance | 1,475 | 1,512
Additions | 501 | 184
Write-offs | (4) | (25)
Transfers | (84) | −
Translation adjustment | 196 | (198)
Losses on exploration expenditures written off | (44) | −
Closing Balance | 2,040 | 1,473
Intangible assets |  |
Opening Balance | 1,609 | 2,313
Losses on exploration expenditures written off | (164) | −
Translation adjustment | 208 | (299)
Closing Balance | 1,653 | 2,014
Capitalized Exploratory Well Costs / Capitalized Acquisition Costs | 3,693 | 3,487
(1) Amounts capitalized and subsequently expensed in the same period have been excluded from this table. |  |

The additions in the six-month period ended June 30, 2025 mainly refer to the drilling of wells in the pre-salt layer, associated with the exploratory fields of Aram, in the Santos Basin, and Norte de Brava, in the Campos Basin.

In the six-month period ended June 30, 2025, losses on exploration expenditures written resulted from economic unfeasibility of blocks C-M-753 and C-M-789, located in the Campos basin, as described in note 19.

Exploration costs recognized in the statement of income and cash used in oil and gas exploration and evaluation activities are set out in the following table:

36

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of exploration costs |  |  |  |
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Exploration costs recognized in the statement of income |  |  |  |
Geological and geophysical expenses | (274) | (193) | (183) | (111)
Exploration expenditures written off (includes dry wells and signature bonuses) | (209) | (105) | - | (55)
Contractual penalties on local content requirements | (5) | (4) | - | (2)
Other exploration expenses | (10) | (7) | (2) | (5)
Total expenses | (498) | (309) | (185) | (173)
Cash used in: |  |  |  |
Operating activities | 284 | 200 | 185 | 116
Investment activities | 503 | 271 | 262 | 144
Total cash used | 787 | 471 | 447 | 260

| 20.1. | Collateral for crude oil exploration concession agreements

The Company has granted collateral to ANP in connection with the performance of the Minimum Exploration Programs established in the concession agreements for petroleum exploration areas in the total amount of US$ 1,445 (US$ 1,250 as of December 31, 2024), which is still in force as of June 30, 2025, net of commitments undertaken. As of June 30, 2025, the collateral comprises future crude oil production capacity from Marlim and Buzios producing fields, already in production, pledged as collateral, in the amount of US$ 1,406 (US$ 1,239 as of December 31, 2024) and bank guarantees of US$ 39 (US$ 11 as of December 31, 2024).

| 21. | Investments

| 21.1. | Investments in associates and joint ventures

Schedule of investments in associates and joint venture |  |  |
0 | Joint Ventures | Associates (1) | Total
Balance at December 31, 2024 | 481 | 178 | 659
Investments | 2 | 3 | 5
Restructuring, capital decrease and others | − | (4) | (4)
Results of equity-accounted investments | 90 | 39 | 129
Translation adjustment | 1 | (188) | (187)
Other comprehensive income | − | 232 | 232
Dividends | (54) | (2) | (56)
Balance at June 30, 2025 | 520 | 258 | 778

| Joint Ventures | Associates (1) | Total
Balance at December 31, 2023 | 481 | 877 | 1,358
Investments | 4 | 2 | 6
Transfer to assets held for sale | − | (11) | (11)
Restructuring, capital decrease and others | − | (2) | (2)
Results of equity-accounted investments | 82 | (363) | (281)
Translation adjustment | (1) | 153 | 152
Other comprehensive income | − | (159) | (159)
Dividends | (76) | (1) | (77)
Balance at June 30, 2024 | 490 | 496 | 986
(1) It includes other investments.

| 22. | Disposal of assets and other transactions

The major classes of assets and related liabilities classified as held for sale are shown in the following table:

37

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of the major classes of assets and related liabilities classified as held for sale |  |  |
|  | 06.30.2025 | 12.31.2024
| E&P | Total | Total
Assets classified as held for sale |  |  |
Property, plant and equipment | 521 | 521 | 510
Total | 521 | 521 | 510
Liabilities on assets classified as held for sale |  |  |
Provision for decommissioning costs | 722 | 722 | 713
Total | 722 | 722 | 713

| 22.1. | Contingent assets from disposed investments and other transactions

Some disposed assets and other agreements provide for receipts subject to contractual clauses, especially related to the Brent variation in transactions related to E&P assets.

The transactions that may generate revenue recognition, accounted for within other income and expenses, are presented below:

38

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of contingent asset from disposal investments |  |  |  |  |  |
Transaction | Closing date | Contingent assets at the closing date | Assets recognized in 2025 | Assets recognized in previous periods | Balance of contingent assets as of June 30, 2025 |
Surplus volume of the Transfer of Rights Agreement |  |  |  |  |  |
Sepia and Atapu (1) | April 2022 | 5,263 | 52 | 1,272 | 3,939 |
Sales in previous years |  |  |  |  |  |
Riacho da Forquilha cluster | December 2019 | 62 | − | 58 | 4 |
Pampo and Enchova cluster | July 2020 | 650 | 36 | 303 | 311 |
Baúna field | November 2020 | 285 | 8 | 253 | 24 |
Cricare cluster | December 2021 | 118 | − | 106 | 12 |
Peroá cluster | August 2022 | 43 | − | 10 | 33 |
Papa-Terra field | December 2022 | 90 | 18 | 32 | 40 |
Albacora Leste field | January 2023 | 250 | − | 225 | 25 |
Norte Capixaba cluster | April 2023 | 66 | − | 33 | 33 |
Golfinho and Camarupim clusters | August 2023 | 60 | − | 20 | 40 |
Total |  | 6,887 | 114 | 2,312 | 4,461 |
(1) The amount recorded in other income and expenses, net is adjusted to present value (see note 6). |

| 23. | Finance debt

| 23.1. | Balance by type of finance debt

Schedule of balance by type of finance debt |  |
In Brazil | 06.30.2025 | 12.31.2024
Banking market | 4,658 | 2,828
Capital market | 3,034 | 2,225
Development banks (1) | 556 | 508
Others | 2 | 2
Total | 8,250 | 5,563
Abroad |  |
Banking market | 3,641 | 3,691
Capital market | 12,427 | 12,265
Export credit agency | 1,347 | 1,508
Others | 126 | 135
Total | 17,541 | 17,599
Total finance debt | 25,791 | 23,162
Current | 2,475 | 2,566
Non-current | 23,316 | 20,596
(1) It includes BNDES.

Current finance debt is composed of:

Schedule of current finance debt |  |
| 06.30.2025 | 12.31.2024
Short-term debt | 14 | 10
Current portion of long-term debt | 1,987 | 2,132
Accrued interest on short and long-term debt | 474 | 424
Total | 2,475 | 2,566

The capital market balance is mainly composed of US$ 11,823 in global notes issued abroad by the wholly owned subsidiary PGF, as well as US$ 2,046 in debentures and US$ 896 in commercial notes issued by Petrobras in reais in Brazil.

The balance in global notes has maturities between 2026 to 2115 and does not require collateral. Such financing was carried out in dollars and pounds, 92% and 8%, of the total global notes, respectively.

The debentures and the commercial notes, with maturities between 2026 and 2045, do not require collateral and are not convertible into shares or equity interests.

On June 30, 2025, there were no default, breach of covenants or adverse changes in clauses that would result in changes to the payment terms of loan and financing agreements. There was no change in the guarantees required in relation to December 31, 2024. Petrobras fully, unconditionally and irrevocably guarantees its global notes issued in the capital markets by its wholly-owned subsidiary PGF and the loan agreements of its wholly-owned subsidiary PGT.

39

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 23.2. | Changes in finance debt

Schedule of changes in finance debt |  |  |
| In Brazil | Abroad | Total
Balance at December 31, 2024 | 5,563 | 17,599 | 23,162
Proceeds from finance debt | 1,943 | 1,129 | 3,072
Repayment of principal (1) | (211) | (1,342) | (1,553)
Repayment of interest (1) | (267) | (590) | (857)
Accrued interest (2) | 357 | 586 | 943
Foreign exchange/ inflation indexation charges | 18 | (48) | (30)
Translation adjustment | 848 | 206 | 1,054
Balance at June 30, 2025 | 8,251 | 17,540 | 25,791

| In Brazil | Abroad | Total
Balance at December 31, 2023 | 6,090 | 22,711 | 28,801
Proceeds from finance debt | 557 | 10 | 567
Repayment of principal (1) | (158) | (2,177) | (2,335)
Repayment of interest (1) | (203) | (795) | (998)
Accrued interest (2) | 240 | 774 | 1,014
Foreign exchange/ inflation indexation charges | 110 | 300 | 410
Translation adjustment | (800) | (338) | (1,138)
Balance at June 30, 2024 | 5,836 | 20,485 | 26,321
(1) It includes pre-payments.
(2) It includes premium and discount over notional amounts, as well as gains and losses by modifications in contractual cash flows.

| 23.3. | Reconciliation with cash flows from financing activities

Schedule of cash flows reconciliation |  |  |  |  |  |
|  |  | Jan-Jun/2025 |  |  | Jan-Jun/2024
| Proceeds from finance debt | Repayment of principal | Repayment of interest | Proceeds from finance debt | Repayment of principal | Repayment of interest
Changes in finance debt | 3,072 | (1,553) | (857) | 567 | (2,335) | (998)
Deposits linked to finance debt (1) |  | 6 | 1 |  | 17 | 3
Net cash used in financing activities | 3,072 | (1,547) | (856) | 567 | (2,318) | (995)
(1) Deposits linked to finance debt with China Development Bank, with semiannual settlements in June and December.

In the six-month period ended June 30, 2025 the Company:

| · | repaid several finance debts, in the amount of US$ 2,403; and

| · | raised US$ 3,072, notably: (i) public offering of debentures, in the amount of USS$ 516, with maturities in 2035, 2040, and 2045; (ii) proceeds in the domestic banking market, in the amount of US$ 1,417; and (iii) proceeds in the international banking market, in the amount of US$ 1,122.

40

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 23.4. | Summarized information on current and non-current finance debt

Schedule of summarized information on current and non-current finance debt |  |  |  |  |  |  |  |
Maturity in | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 onwards | Total (1) | Fair Value
Financing in U.S. Dollars: | 855 | 1,465 | 2,146 | 1,555 | 720 | 9,004 | 15,745 | 15,567
Floating rate debt (2) | 622 | 1,121 | 1,468 | 524 | 144 | 921 | 4,800 |
Fixed rate debt | 233 | 344 | 678 | 1,031 | 576 | 8,083 | 10,945 |
Average interest rate p.a. | 6.3% | 6.5% | 6.0% | 5.7% | 6.2% | 6.6% | 6.5% |
Financing in Brazilian Reais): | 196 | 494 | 134 | 137 | 955 | 6,037 | 7,953 | 7,401
Floating rate debt (3) | 145 | 128 | 31 | 31 | 31 | 5,496 | 5,862 |
Fixed rate debt | 51 | 366 | 103 | 106 | 924 | 541 | 2,091 |
Average interest rate p.a. | 10.5% | 10.6% | 9.7% | 9.9% | 10.3% | 8.3% | 9.4% |
Financing in Euro: | − | 9 | − | 145 | 26 | 424 | 604 | 609
Fixed rate debt | − | 9 | − | 145 | 26 | 424 | 604 |
Average interest rate p.a. | − | 4.6% | − | 4.6% | 4.7% | 4.7% | 4.6% |
Financing in Pound Sterling: | 16 | 17 | − | − | 403 | 566 | 1,002 | 986
Fixed rate debt | 16 | 17 | − | − | 403 | 566 | 1,002 |
Average interest rate p.a. | 6.1% | 6.1% | − | − | 6.1% | 6.6% | 6.3% |
Financing in Renminbi: | 2 | 5 | 5 | 5 | 5 | 465 | 487 | 472
Floating rate debt | 2 | 5 | 5 | 5 | 5 | 465 | 487 |
Average interest rate p.a. | 3.1% | 3.1% | 3.0% | 3.0% | 2.9% | 3.1% | 0.0% |
Total as of June 30, 2025 | 1,069 | 1,990 | 2,285 | 1,842 | 2,109 | 16,496 | 25,791 | 25,035
Average interest rate | 7.4% | 7.6% | 7.1% | 7.1% | 7.7% | 6.8% | 6.8% |
Total as of December 31, 2024 | 2,566 | 1,864 | 2,264 | 1,791 | 1,780 | 12,897 | 23,162 | 22,213
Average interest rate | 7.0% | 7.4% | 7.1% | 6.9% | 7.3% | 6.6% | 6.8% |
(1) The average maturity of outstanding debt as of June 30, 2025 is 11.92 years (12.52 years as of December 31, 2024).
(2) Operations with variable index + fixed spread.
(3) Operations with variable index + fixed spread, if applicable.

The fair value of the Company's finance debt is mainly determined and categorized into a fair value hierarchy as follows:

| · | Level 1- quoted prices in active markets for identical liabilities, when applicable, amounting to US$ 11,584 as of June 30, 2025 (US$ 11,174 of December 31, 2024); and

| · | Level 2 – discounted cash flows based on discount rate determined by interpolating spot rates considering financing debts indexes proxies, taking into account their currencies and also Petrobras’ credit risk, amounting to US$ 13,451 as of June 30, 2025 (US$ 11,039 as of December 31, 2024).

The sensitivity analysis for financial instruments subject to foreign exchange variation is set out in note 26.4.1.

A maturity schedule of the Company’s finance debt (undiscounted), including face value and interest payments is set out as follows:

Schedule of finance debt (undiscounted), including face value and interest payments |  |  |  |  |  |  |  |
Maturity | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 and thereafter | 06.30.2025 | 12.31.2024
Principal | 639 | 2,005 | 2,335 | 1,944 | 2,159 | 17,009 | 26,091 | 23,473
Interest | 952 | 1,942 | 1,742 | 1,560 | 1,508 | 15,210 | 22,915 | 20,388
Total (1) | 1,591 | 3,947 | 4,077 | 3,504 | 3,667 | 32,219 | 49,006 | 43,861
(1) A maturity schedule of the lease arrangements (nominal amounts) is set out in note 24.

41

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 23.5. | Lines of credit

Schedule of lines of credit |  |  |  |  |  |
|  |  |  |  |  | 06.30.2025
Company | Financial institution | Date | Maturity | Available (Lines of Credit) | Used | Balance
Abroad |  |  |  |  |  |
PGT BV (1) | Syndicate of banks | 12/16/2021 | 11/16/2026 | 5,000 | − | 5,000
PGT BV | Syndicate of banks | 3/27/2019 | 2/27/2026 | 2,050 | − | 2,050
Total |  |  |  | 7,050 | − | 7,050
In Brazil |  |  |  |  |  |
Petrobras (2) | Banco do Brasil | 3/23/2018 | 9/26/2030 | 641 | − | 641
Petrobras (3) | Banco do Brasil | 10/4/2018 | 9/4/2029 | 733 | − | 733
Transpetro | Caixa Econômica Federal | 11/23/2010 | Not defined | 60 | − | 60
Total |  |  |  | 1,434 | − | 1,434
(1) On April 08, 2024, the Revolving Credit Facility was reduced to US$ 4,110 compared to the US$ 5,000 contracted in 2021. Thus, US$ 5,000 will be available for withdrawal until November 16, 2026 and US$ 4,110 from November 16, 2026, to November 16, 2028.
(2) On December 27, 2024, the credit line agreement with Banco do Brasil for US$ 366 (R$ 2 billion) was amended, extending the term to October 26, 2030. On April 3, 2025, a new amendment was approved, increasing the credit line amount from US$ 366 (R$ 2 billion) to US$ 641 (R$ 3.5 billion).
(3) On June 18, 2024, the credit line with Banco do Brasil was renewed, extending its term to September 4, 2029, and increasing its amount from US$ 366 (R$ 2 billion) to US$ 733 (R$ 4 billion).

| 24. | Lease liability

Changes in the balance of lease liabilities are presented below:

Schedule of changes in lease liabilities |  |  |
| Lessors in Brazil | Lessors abroad | Total
Balance at December 31, 2024 | 5,484 | 31,665 | 37,149
Remeasurement / new contracts | 1,130 | 6,735 | 7,865
Payment of principal and interest | (1,224) | (3,144) | (4,368)
Interest expenses | 232 | 1,057 | 1,289
Foreign exchange gains | (379) | (4,249) | (4,628)
Translation adjustment | 718 | 4,248 | 4,966
Balance at June 30, 2025 | 5,961 | 36,312 | 42,273
Current |  |  | 9,270
Non-current |  |  | 33,003

| Lessors in Brazil | Lessors abroad | Total
Balance at December 31, 2023 | 6,792 | 27,007 | 33,799
Remeasurement / new contracts | 814 | 1,923 | 2,737
Payment of principal and interest (1) | (1,361) | (2,492) | (3,853)
Interest expenses | 276 | 842 | 1,118
Foreign exchange losses | 394 | 3,733 | 4,127
Translation adjustment | (881) | (3,738) | (4,619)
Balance at June 30, 2024 | 6,034 | 27,275 | 33,309
Current |  |  | 7,437
Non-current |  |  | 25,872
(1) The Statement of Cash Flows comprises US$ 30 relating to changes on liabilities held for sale.

A maturity schedule of the lease arrangements (nominal amounts) is set out as follows:

Schedule of main information by class of underlying assets |  |  |  |  |  |  |
Nominal Future Payments | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 onwards | Total
Balance at June 30, 2025 | 5,239 | 8,363 | 6,511 | 4,563 | 3,492 | 35,924 | 64,092
Balance at December 31, 2024 | 8,837 | 6,140 | 4,817 | 3,476 | 2,904 | 28,943 | 55,117

In certain contracts, there are variable payments and terms of less than 1 year recognized as expenses:

42

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of variable payments and amounts less than 1 year recognized as an expense |  |  |
|  | Jan-Jun/2025 | Jan-Jun/2024
Variable payments |  | 473 | 528
Up to 1 year maturity |  | 6 | 54
Variable payments x fixed payments |  | 11% | 14%

At June 30, 2025, the nominal amounts of lease agreements for which the lease term has not commenced, as they relate to assets under construction or not yet available for use, is US$ 60,613 (US$ 65,034 at December 31, 2024).

The sensitivity analysis of financial instruments subject to exchange variation is presented in note 26.4.1.

| 25. | Equity

| 25.1. | Share capital

As of June 30, 2025 and December 31, 2024, subscribed and fully paid share capital, net of issuance costs, was US$ 107,101. The table below shows the composition of shares, in each period, all registered, book-entry and with no par value.

Schedule of composition shares |  |
| 06.30.2025 | 12.31.2024
Common shares | 7,442,231,382 | 7,442,454,142
Preferred shares | 5,446,501,379 | 5,602,042,788
Subscribed and fully paid shares | 12,888,732,761 | 13,044,496,930

Preferred shares have priority on returns of capital, do not grant any voting rights and are non-convertible into common shares.

On January 29, 2025, the Board of Directors approved the cancellation of a total of 155,764,169 treasury shares, without reducing the share capital. The effects of this cancellation were reflected in capital reserve (US$ 2) and profit retention reserve, within profit reserves (US$ 1,116).

On April 16, 2025, the Annual General Shareholders Meeting approved a proposal to update the Company's Bylaws to reflect the current number of shares.

| 25.2. | Profit Reserves

The following table presents the final balance of profit reserves as disclosed in the Statements of changes in shareholders’ equity:

Schedule of changes in the profit reserves |  |  |  |  |  |  |
| Legal | R&D reserve | Capital remuneration | Tax incentives | Profit retention | Additional dividends proposed | Total
Balance at January 1, 2024 | 12,846 | 3,397 | 8,428 | 1,998 | 43,038 | 2,934 | 72,641
Additional dividends proposed | − | − | (4,244) | − | − | (2,934) | (7,178)
Balance at June 30, 2024 | 12,846 | 3,397 | 4,184 | 1,998 | 43,038 | − | 65,463
Balance at January 1, 2025 | 12,846 | 3,397 | − | 2,128 | 41,598 | 1,477 | 61,446
Additional dividends proposed | − | − | − | − | − | (1,477) | (1,477)
Cancellation of treasury shares | − | − | − | − | (1,116) | − | (1,116)
Balance at June 30, 2025 | 12,846 | 3,397 | − | 2,128 | 40,482 | − | 58,853

| 25.3. | Distributions to shareholders

Dividends relating to 2024

On April 16, 2025, the Annual General Shareholders Meeting approved dividends relating to 2024, amounting to US$ 13,076 (US$ 1.0146 per outstanding share). This amount includes US$ 11,599 anticipated during 2024 (updated by Selic interest rate from the date of each payment to December 31, 2024) and US$ 1,477 of complementary dividends which is accounted for as additional dividends proposed.

43

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

These complementary dividends were reclassified from shareholders' equity to liabilities on the date of approval on the Annual General Shareholders Meeting and were paid in 2 installments in May and June 2025, updated by the Selic interest rate from December 31, 2024 to the date of each payment.

Dividends and interest on capital relating to the first quarter of 2025

On May 12, 2025, Petrobras’s Board of Directors approved the distribution of remuneration to shareholders in the amount of US$ 2,063 or R$ 11,718 million (US$ 0.1600 per outstanding preferred and common shares, or R$ 0.9092), based on the net income for the three-month period ended March 31, 2025, considering the application of the Shareholder Remuneration Policy formula, as presented in the following table:

Schedule of anticipation of dividends |  |  |  |
| Date of approval by the Board of Directors | Date of record | Amount per common and preferred share | Amount
Interim dividends | 05.12.2025 | 06.02.2025 | 0.0543 | 700
Interim interest on capital | 05.12.2025 | 06.02.2025 | 0.1057 | 1,363
Total anticipated dividends |  |  | 0.1600 | 2,063

These dividends and interest on capital will be paid in two equal installments, in August and September 2025, and will be deducted from the remuneration that will be distributed to shareholders relating to 2025. The amounts will be adjusted by the SELIC rate from the date of payment of each installment until the end of the referred fiscal year, on December 31, 2025.

This anticipation of interest on capital resulted in a deductible expense which reduced the income tax expense by US$ 465. Interest on capital is subject to withholding income tax (IRRF) of 15%, except for immune and exempt shareholders, as established in applicable law.

Dividends payable

Changes in the balance of dividends payable are set out as follows:

Schedule of dividend payable |  |
| Jan-Jun/2025 | Jan-Jun/2024
Consolidated opening balance of dividends payable | 2,657 | 3,539
Opening balance of dividends payable to non-controlling shareholders | 19 | 38
Opening balance of dividends payable to shareholders of Petrobras | 2,638 | 3,501
Additions relating to complementary dividends | 1,477 | 7,178
Additions relating to anticipated dividends | 2,063 | 2,615
Payments made | (4,588) | (10,578)
Indexation to the Selic interest rate | 149 | 385
Transfers to unclaimed dividends | (17) | (40)
Withholding income taxes over interest on capital and indexation to the Selic interest rate (1) | (146) | (166)
Translation adjustment | 441 | (601)
Closing balance of dividends payable to shareholders of Petrobras | 2,017 | 2,294
Closing balance of dividends payable to non-controlling shareholders | 11 | 1
Consolidated closing balance of dividends payable | 2,028 | 2,295
(1) It includes US$ 2 over dividends paid and US$6 over dividends payable.

Unclaimed dividends

As of June 30, 2025, the balance of dividends not claimed by shareholders of Petrobras is US$ 280 recorded as other current liabilities, as described in note 16 (US$ 276 as of December 31, 2024). The payment of these dividends was not carried out due to the lack of registration data for which the shareholders are responsible with the custodian bank for the Company's shares.

44

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of unclaimed dividends |  |
| Jan-Jun/2025 | Jan-Jun/2024
Changes in unclaimed dividends |  |
Opening balance | 276 | 337
Prescription | (49) | (10)
Transfers from dividends payable | 17 | 40
Translation adjustment | 36 | (42)
Closing Balance | 280 | 325

| 25.4. | Earnings per share

Schedule of earnings per share |  |  |  |  |  |
|  | Jan-Jun/2025 |  | Jan-Jun/2024
| Common | Preferred | Total | Common | Preferred | Total
Net income attributable to shareholders of Petrobras | 6,183 | 4,525 | 10,708 | 2,559 | 1,879 | 4,438
Weighted average number of outstanding shares | 7,442,231,382 | 5,446,501,379 | 12,888,732,761 | 7,442,231,382 | 5,466,560,112 | 12,908,791,494
Basic and diluted earnings per share - in U.S. dollars | 0.83 | 0.83 | 0.83 | 0.34 | 0.34 | 0.34
Basic and diluted earnings (losses) per ADS equivalent - in U.S. dollars (1) | 1.66 | 1.66 | 1.66 | 0.68 | 0.68 | 0.68
|  | Apr-Jun/2025 |  | Apr-Jun/2024
| Common | Preferred | Total | Common | Preferred | Total
Net income attributable to shareholders of Petrobras | 2,734 | 2,000 | 4,734 | (198) | (146) | (344)
Weighted average number of outstanding shares | 7,442,231,382 | 5,446,501,379 | 12,888,732,761 | 7,442,231,382 | 5,455,611,812 | 12,897,843,194
Basic and diluted earnings (losses) per share - in U.S. dollars | 0.37 | 0.37 | 0.37 | (0.03) | (0.03) | (0.03)
Basic and diluted earnings (losses) per ADS equivalent - in U.S. dollars (1) | 0.74 | 0.74 | 0.74 | (0.06) | (0.06) | (0.06)
(1) Petrobras' ADSs are equivalent to two shares.

Basic earnings per share are calculated by dividing the net income attributable to shareholders of Petrobras by the weighted average number of outstanding shares during the period. The change in the weighted average number of outstanding shares is due to the Share repurchase program (preferred shares) which was closed on August 4, 2024, whose shares were cancelled in January 2025, as described in note 25.1.

Diluted earnings per share are calculated by adjusting the net income attributable to shareholders of Petrobras and the weighted average number of outstanding shares during the period taking into account the effects of all dilutive potential shares (equity instrument or contractual arrangements that are convertible into shares).

Basic and diluted earnings are identical as the Company has no potentially dilutive shares.

| 26. | Financial risk management

The Company is exposed to a variety of risks arising from its operations, such as price risk (related to crude oil and oil products prices), foreign exchange rates risk, interest rates risk, credit risk and liquidity risk. Corporate risk management is part of the Company’s commitment to act ethically and comply with the legal and regulatory requirements of the countries where it operates.

The Company presents a sensitivity analysis for the period of one year, except for operations with commodity derivatives, for which a three-month period is applied, due to the short-term nature of these transactions.

The effects of derivative financial instruments and hedge accounting are set out as follows.

45

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 26.1. | Statement of income

Schedule of effects on statement of income of derivative financial instruments |  |  |  |
Gains/ (losses) recognized in the statement of income
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Foreign exchange rate risk |  |  |  |
Cross-currency Swap CDI x Dollar - Note 26.4.1 (b) | 54 | (62) | 26 | (61)
Cash flow hedge on exports - Note 26.4.1 (a) | (1,220) | (1,297) | (498) | (600)
Interest rate risk |  |  |  |
Swap IPCA X CDI - 26.4.1 (b) | 2 | (41) | (9) | (21)
Recognized in Net finance income (expense) | (1,164) | (1,400) | (481) | (682)
Price risk (commodity derivatives) |  |  |  |
Recognized in other income and expenses | 11 | 24 | 9 | 19
Total | (1,153) | (1,376) | (472) | (663)

The effects on the statement of income of derivative financial instruments reflect both outstanding transactions as well as transactions closed during the period.

| 26.2. | Statement of comprehensive income

Schedule of effects on statement of comprehensive income of derivative financial instruments |  |  |  |
Gains/ (losses) recognized in the period
| Jan-Jun/2025 | Jan-Jun/2024 | Apr-Jun/2025 | Apr-Jun/2024
Hedge accounting |  |  |  |
Cash flow hedge on exports - Note 26.4.1 (a) | 9,524 | (7,352) | 3,949 | (6,027)
Deferred income taxes | (3,238) | 2,499 | (1,343) | 2,048
Total | 6,286 | (4,853) | 2,606 | (3,979)

| 26.3. | Statement of Financial Position

Schedule of assets and liabilities |  |
| 06.30.2025 | 12.31.2024
Fair value Asset Position (Liability) |  |
Open derivatives transactions | (22) | (101)
Closed derivatives transactions awaiting financial settlement | 1 | 1
Recognized in Statements of Financial Position | (21) | (100)
Other assets (note 16) | 73 | 29
Other liabilities (note 16) | (94) | (129)

The following table presents the details of the open derivative financial instruments held by the Company as of June 30, 2025, and represents its risk exposure:

Schedule of statement of financial position |  |  |  |  |  |
|  | Statement of Financial Position
|  |  |  | Fair value | Fair value hierarchy | Maturity
| Notional value | Asset Position (Liability)
| 06.30.2025 | 12.31.2024 | 06.30.2025 | 12.31.2024 |  |
Derivatives not designated for hedge accounting |  |  |  |  |  |
Foreign exchange rate risk (1) |  |  |  |  |  |
Cross-currency swap - CDI x US$ | 488 | 488 | (76) | (105) | Level 2 | 2029
Short position/Foreign currency forwards (BRL/USD) | 16 | 20 | 1 | − | Level 2 | 2025
Interest rate risk |  |  |  |  |  |
Swap - IPCA X CDI | R$ 3,008 | R$ 3,008 | 43 | 17 | Level 2 | 2029/2034
Price risk |  |  |  |  |  |
Future contracts - Crude oil and oil products (2) | 1,121 | (1,450) | 11 | (13) | Level 1 | 2025
SWAP - Soybean oil (3) | (11) | - | − | − | Level 2 | 2025
Options - Long put/ Soybean oil (3) | (3) | - | − | − | Level 2 | 2025
Total open derivative transactions |  |  | (21) | (101) |  |
(1) Amounts in US$ and R$ are presented in millions. |  |  |  |  |  |
(2) Notional value in thousands of bbl.

46

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Commercial derivatives require guarantees, accounted for as other assets and/or other liabilities.

Schedule of guarantees given as collateral |  |  |  |
Guarantees given as collateral
|  |  | 06.30.2025 | 12.31.2024
Commodity derivatives |  |  | 39 | 69

Equity

Schedule of cumulative losses in other comprehensive income (shareholders’ equity) |  |  |  |
Cumulative losses in other comprehensive income (shareholders’ equity)
|  |  | 06.30.2025 | 12.31.2024
Hedge accounting |  |  |  |
Cash flow hedge on exports - Note 26.4.1 (a) |  |  | (21,321) | (30,845)
Deferred income taxes |  |  | 7,247 | 10,485
Total |  |  | (14,074) | (20,360)

| 26.4. | Market risks

| 26.4.1. | Foreign exchange rate risk management

| a) | Cash flow hedge involving the Company’s future exports

The Company uses hedge accounting for the risk arising from foreign exchange rate variations of “highly probable future exports” (hedged item) by means of foreign exchange rate variations of proportions of certain obligations denominated in U.S. dollars (hedging instruments).

The carrying amounts, the fair value as of June 30, 2025, and a schedule of expected reclassifications to the statement of income of cumulative losses recognized in other comprehensive income (shareholders’ equity) based on a US$ 1.00 / R$ 5.4571 exchange rate are set out below:

Schedule of present value of hedging instrument notional value |  |  |  |  |
|  | Present value of hedging instrument notional value at 06.30.2025
Hedging Instrument | Hedged Transactions | Nature of the Risk | Maturity Date | US$ million | R$ million
Foreign exchange rate gains and losses on proportion of non-derivative financial instruments cash flows | Foreign exchange rate gains and losses of highly probable future monthly exports revenues | Foreign Currency – Real vs U.S. Dollar Spot Rate | July 2025 to June 2035 | 70,052 | 382,279

Schedule of hedging instrument notional value |  |
Changes in the present value of hedging instrument notional value | US$ million | R$ million
Amounts designated as of December 31, 2024 | 65,900 | 408,073
Additional hedging relationships designated, designations revoked and hedging instruments re-designated | 16,495 | 94,522
Exports affecting the statement of income | (6,413) | (37,215)
Principal repayments / amortization | (5,930) | (34,112)
Foreign exchange rate variations | - | (48,989)
Amounts designated as of June 30, 2025 | 70,052 | 382,279
Nominal value of hedging instrument (finance debt and lease liability) at June 30, 2025 | 92,116 | 502,689

In the six-month period ended June 30, 2025, the Company recognized a US$ 130 gain within foreign exchange rate gains (losses) due to ineffectiveness (a US$ 90 loss in the same period of 2024).

The average ratio of future exports for which cash flow hedge accounting was designated to the highly probable future exports is 77.82%.

A roll-forward schedule of cumulative foreign exchange rate losses recognized in equity to be realized by future exports is set out below:

47

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

Schedule of cumulative foreign exchange losses recognized |  |
| Jan-Jun/2025 | Jan-Jun/2024
Opening balance | (30,845) | (18,210)
Recognized in equity | 8,304 | (8,649)
Reclassified to the statement of income | 1,220 | 1,297
Other comprehensive income (loss) | 9,524 | (7,352)
Closing balance | (21,321) | (25,562)

Additional hedging relationships may be revoked or additional reclassification adjustments from equity to the statement of income may occur as a result of changes in forecasted export prices and export volumes following future revisions of the Company’s business plans. A sensitivity analysis considering a US$ 10/barrel decrease in Brent prices stress scenario, when compared to the Brent price projections in the Business Plan 2025-2029, would not indicate a reclassification from equity to the statement of income.

A schedule of expected reclassification of cumulative foreign exchange rate losses recognized in other comprehensive income to the statement of income as of June 30, 2025, is set out below:

Schedule of reclassification of cumulative foreign exchange losses recognized |  |  |  |  |  |  |
| 2025 | 2026 | 2027 | 2028 | 2029 | 2030 onwards | Total
Expected realization | (2,653) | (5,242) | (5,542) | (3,732) | (3,217) | (935) | (21,321)

| b) | Derivative financial instruments not designated for hedge accounting

In September 2019, Petrobras contracted a cross-currency swap aiming to protect against exposure arising from the 7th issuance of debentures, for IPCA x CDI operations, maturing in September 2029 and September 2034, and for CDI x U.S. Dollar operations, maturing in September 2029.

The methodology used to calculate the fair value of this swap operation consists of calculating the future value of the operations, using rates agreed in each contract and the projections of the interest rate curves, IPCA coupon and foreign exchange coupon, discounting to present value using the risk-free rate. Curves are obtained from Bloomberg based on forward contracts traded in stock exchanges.

The mark-to-market is adjusted to the credit risk of the financial institutions, which is not relevant in terms of financial volume, since the Company makes contracts with highly rated banks.

Changes in interest rate forward curves (CDI interest rate) may affect the Company's results, due to the market value of these swap contracts. In preparing a sensitivity analysis for these curves, a parallel shock was estimated based on the average maturity of these swap contracts, in the scope of the Company’s Risk Management Policy, which resulted in a 527 basis point effect on the estimated interest rate. The effect of this sensitivity analysis, keeping all other variables constant, is shown in the following table:

Schedule of sensitivity analysis, keeping all other variables remaining constant |  |
Financial Instruments | Reasonably possible scenario
Swap CDI x USD |  | 17

| c) | Sensitivity analysis for foreign exchange rate risk on financial instruments

The sensitivity analysis only covers the exchange rate variation and maintains all other variables constant. The probable scenario is referenced on external sources like Focus bulletin and Thomson Reuters, making use of the exchange rate forecast for the end of the following year, as follows:

| · | U.S. dollar x real - a 5.45% depreciation of the real;

| · | euro x U.S. dollar - a 1.54 % appreciation of the euro;

| · | pound sterling x U.S. dollar - a 0.56 % appreciation of the pound sterling;

| · | renminbi x U.S. dollar – a 0.76 % appreciation of the renminbi.

48

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

The reasonably possible scenario has the same references and considers the risk of a 20% depreciation of the closing exchange rate of the quarter against the reference currency, except for assets and liabilities of foreign subsidiaries, when transacted in a currency equivalent to their respective functional currencies.

Schedule of sensitivity analysis for foreign exchange risk on financial instruments |  |  |  |  |
Risk | Financial Instruments | Exposure at 06.30.2025 | Exposure in R$ million | Probable Scenario | Reasonably possible scenario
Dollar/Real | Assets | 4,425 | 24,145 | 241 | 885
| Liabilities | (115,324) | (629,336) | (6,281) | (23,065)
| Exchange rate - Cross currency swap | (488) | (2,664) | (27) | (98)
| Cash flow hedge on exports | 70,052 | 382,279 | 3,815 | 14,010
| Total | (41,335) | (225,576) | (2,252) | (8,268)
Euro/Dollar | Assets | 1,186 | 6,470 | 18 | 237
| Liabilities | (1,724) | (9,409) | (27) | (345)
| Total | (538) | (2,939) | (9) | (108)
Pound/Dollar | Assets | 1,018 | 5,555 | 6 | 204
| Liabilities | (2,007) | (10,950) | (11) | (401)
| Total | (989) | (5,395) | (5) | (197)
Renminbi /Dollar | Assets | 1 | 3 | − | −
| Liabilities | (488) | (2,661) | (4) | (97)
| Total | (487) | (2,658) | (4) | (97)
Others (1) | Assets | 44 | 239 | 10 | (8)
| Liabilities | (67) | (368) | (4) | (14)
| Total | (23) | (129) | 6 | (22)
Total at June 30, 2025 | (43,372) | (236,697) | (2,264) | (8,692)
(1) Pound sterling/real, euro/real and peso/U.S. dollar. |  |

| 26.4.2. | Risk management of products prices - crude oil and oil products and other commodities

The Company is exposed to commodity price cycles, and it may use derivative instruments to hedge exposures related to prices of products purchased and sold to fulfill operational needs and in specific circumstances depending on business environment analysis and assessment of whether the targets of the Business Plan are being met.

The Company, by use of its assets, positions and market knowledge from its operations in Brazil and abroad, may seek to optimize some of its commercial operations in the international market, with the use of commodity derivatives to manage price risk.

The probable scenario uses market references, used in pricing models for oil, oil products and natural gas markets, and takes into account the closing price of the asset on June 30, 2025. Therefore, no effect is considered arising from outstanding operations in this scenario. The reasonably possible scenario reflects the potential effects on the statement of income from outstanding transactions, considering a variation in the closing price of 20%. To simulate the most unfavorable scenarios, the variation was applied to each asset according to open transactions: price decrease for long positions and increase for short positions.

Schedule of derivative financial instruments different types of market risks |  |  |
Financial Instruments | Risk | Probable scenario | Reasonably possible scenario
Derivatives not designated for hedge accounting |  |  |
Crude oil and oil products - price changes | Future and forward contracts (Swap) | − | (69)
Soybean oil - price changes | Future and forward contracts (Swap) | − | (3)
Soybean oil - price changes | Option | − | (1)
Foreign currency - depreciation BRL x USD | Forward contracts | − | (1)
|  | − | (74)

The positions with commodity derivatives are presented in note 26.3.

| 26.4.3. | Interest rate risk management

The Company considers that interest rate risk does not create significant exposure and, therefore, preferably does not use derivative financial instruments to manage interest rate risk, except for specific situations faced by certain subsidiaries of Petrobras.

49

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

In this sensitivity analysis, the probable scenario represents the amounts to be disbursed by Petrobras relating to the payment of interest on debts linked to floating rates as of June 30, 2025. The reasonably possible scenario represents the disbursement if there is a 40% change on these rates, keeping all other variables constant.

Schedule of interest rate risk management |  |  |
Risk |  | Sensitivity effect on the results | Reasonably possible scenario
Finance debt |  |  |
CDI |  | 705 | 987
SOFR 3M (1) |  | 125 | 162
SOFR 6M (1) |  | 74 | 88
SOFR O/N (1) |  | 78 | 109
IPCA |  | 116 | 162
TJLP |  | 65 | 90
LPR 12M (2) |  | 15 | 21
TR |  | 5 | 6
|  | 1,183 | 1,625
(1) Secured Overnight Financing Rate.
(2) Loan Prime Rate.

| 26.5. | Liquidity risk management

The possibility of a shortage of cash to settle the Company’s obligations on the agreed dates is managed by the Company. The Company mitigates its liquidity risk by defining reference parameters for treasury management and by periodically analyzing the risks associated to the projected cash flow, quantifying its main risks through Monte Carlo simulations. These risks include oil prices, exchange rates, gasoline and diesel international prices, among others. In this way, the Company is able to predict cash needs for its operational continuity and for the execution of its business plan.

Management believes that its current working capital is sufficient for the Company's present requirements. In the event that the Company presents negative net working capital, management believes it does not compromise the Company's liquidity since Petrobras maintains revolving credit facilities contracted as a liquidity reserve to be used in adverse scenarios (see note 23.5).

Additionally, the Company regularly assesses market conditions and may enter into transactions to repurchase its own securities or those of its subsidiaries, through a variety of means, including tender offers, make whole exercises and open market repurchases, since they are in line with the Company's liability management strategy, in order to improve its debt repayment profile and cost of debt.

The expected cash flows of finance debt and lease liabilities are presented in notes 23.4 and 24, respectively.

| 26.6. | Credit risk

Credit risk management in Petrobras aims to mitigate risk of not collecting receivables, financial deposits or collateral from third parties or financial institutions through the analysis, granting and management of credit, based on quantitative and qualitative parameters that are appropriate for each market segment in which the Company operates.

As of June 30, 2025, the financial assets of cash and cash equivalents and of marketable securities are not past due nor considered to be credit impaired, presenting fair values ​​that are equivalent to or do not differ significantly from their carrying amounts.

The effect of credit risk assessments on trade receivables is available in notes 9.2 and 9.3, which present expected credit losses.

| 27. | Related party transactions

The Company has a policy for related party transactions, which is annually revised and approved by the Board of Directors in accordance with the Company’s by-laws.

The related-party transactions policy also aims to ensure an adequate and diligent decision-making process for the Company’s key management.

50

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 27.1. | Transactions with joint ventures, associates, government entities and pension plans

The Company has engaged, and expects to continue to engage, in the ordinary course of business in numerous transactions with joint ventures, associates, pension plans, as well as with the Company’s controlling shareholder, the Brazilian Federal Government, which include transactions with banks and other entities under its control, such as financing and banking, asset management and other transactions.

The balances of significant transactions are set out in the following table:

Schedule of balances of significant transactions |  |  |  |
|  | 06.30.2025 |  | 12.31.2024
| Assets | Liabilities | Assets | Liabilities
Joint ventures and associates |  |  |  |
Petrochemical companies (associates) | 71 | 7 | 65 | 1
Other associates and joint ventures | 86 | 12 | 52 | 15
Subtotal | 157 | 19 | 117 | 16
Brazilian government – Parent and its controlled entities |  |  |  |
Government bonds | 716 | − | 1,114 | −
Banks controlled by the Brazilian Government | 15,163 | 4,261 | 12,030 | 2,675
Brazilian Federal Government (1) | − | 883 | − | 1,046
Pré-Sal Petróleo S.A. – PPSA | − | 25 | − | 79
Others | 185 | 101 | 235 | 85
Subtotal | 16,064 | 5,270 | 13,379 | 3,885
Petros | 51 | 266 | 44 | 234
Total | 16,272 | 5,555 | 13,540 | 4,135
Current | 1,747 | 1,186 | 1,557 | 1,382
Non-Current | 14,525 | 4,369 | 11,983 | 2,753
(1) It includes amounts related to lease liability.

The income/expenses of significant transactions are set out in the following table:

Schedule of income expenses of significant transactions |  |  |  |
| 2025 | 2024 | 2025 | 2024
| Jan-Jun | Jan-Jun | Apr-Jun | Apr-Jun
Joint ventures and associates |  |  |  |
Petrochemical companies (associates) | 1,650 | 1,720 | 838 | 893
Other associates and joint ventures | 21 | 29 | 10 | 9
Subtotal | 1,671 | 1,749 | 848 | 902
Brazilian government – Parent and its controlled entities |  |  |  |
Government bonds | 59 | 84 | 29 | 38
Banks controlled by the Brazilian Government | (91) | 11 | (46) | (5)
Petroleum and alcohol account - receivables from the Brazilian Government | − | 7 | − | 3
Brazilian Federal Government | (58) | (127) | (33) | (99)
Pré-Sal Petróleo S.A. – PPSA | (230) | (98) | 24 | (107)
Others | (127) | (93) | (60) | (83)
Subtotal | (447) | (216) | (86) | (253)
Petros | (9) | (10) | (5) | (5)
Total - Income (Expenses) | 1,215 | 1,523 | 757 | 644
Revenues, mainly sales revenues | 1,661 | 1,740 | 844 | 899
Purchases and services | − | 6 | − | 3
Income (expenses) | (358) | (201) | (38) | (196)
Foreign exchange and inflation indexation charges, net | (33) | (140) | (18) | (113)
Finance income (expenses), net | (55) | 118 | (31) | 51
Total - Income (Expenses) | 1,215 | 1,523 | 757 | 644

The liability related to pension plans of the Company's employees and managed by the Petros Foundation, including debt instruments, is presented in note 13.

51

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 27.2. | Compensation of key management personnel

The criteria for compensation of members of the Board of Directors and the Board Executive Officers is based on the guidelines established by the Secretariat of Management and Governance of the State-owned Companies (SEST) of the Ministry of Management and Innovation in Public Services, and by the Ministry of Mines and Energy. The total compensation is set out as follows:

Schedule of total compensation of executive officers and board members of petrobras parent company |  |  |  |  |  |
|  |  |  |  | Parent Company
|  | Jan-Jun/2025 |  | Jan-Jun/2024
| Executive Officers | Board of Directors | Total | Executive Officers | Board of Directors | Total
Wages and short-term benefits | 1.4 | 0.2 | 1.6 | 1.5 | 0.2 | 1.7
Social security and other employee-related taxes | 0.4 | − | 0.4 | 0.4 | − | 0.4
Post-employment benefits (pension plan) | 0.2 | − | 0.2 | 0.2 | − | 0.2
Variable compensation | − | − | − | 1.3 | − | 1.3
Benefits due to termination of tenure | 0.1 | − | 0.1 | 0.1 | − | 0.1
Total compensation recognized in the statement of income | 2.1 | 0.2 | 2.3 | 3.5 | 0.2 | 3.7
Total compensation paid (1) | 3.7 | 0.2 | 3.9 | 3.8 | − | 3.8
Monthly average number of members | 8.83 | 11.00 | 19.83 | 9.00 | 11.00 | 20.00
Monthly average number of paid members | 8.83 | 9.00 | 17.83 | 9.00 | 7.33 | 16.33
(1) It includes variable compensation for Executive Officers relating to previous periods.

In the six-month period ended June 30, 2025, expenses related to compensation of the board members and executive officers of Petrobras amounted to US$ 6.5 (US$ 7.2 for the same period of 2024).

The compensation of the Advisory Committees to the Board of Directors is separate from the fixed compensation set for the Board Members and, therefore, has not been classified under compensation of Petrobras’ key management personnel.

In accordance with Brazilian regulations applicable to companies controlled by the Brazilian Federal Government, Board members who are also members of the Statutory Audit Committees are only compensated with respect to their Audit Committee duties. The total compensation concerning these members was US$ 115 thousand for the six-month period ended June 30, 2025 (US$ 136 thousand with tax and social security costs). For the same period of 2024, the total compensation concerning these members was US$ 163 thousand (US$ 194 thousand with tax and social security costs).

On April 16, 2025, the Company’s Annual Shareholders’ Meeting set the threshold for the overall compensation for executive officers and board members at US$ 8.3, R$ 47.57 million, from April 2025 to March 2026 (US$ 8.6, R$ 43.21 million, from April 2024 to March 2025, as approved on April 25, 2024).

| 28. | Supplemental information on statement of cash flows

Schedule of supplemental information on statement of cash flows |  |
| Jan-Jun/2025 | Jan-Jun/2024
Amounts paid/received during the period: |  |
Withholding income tax paid on behalf of third-parties | 860 | 905
Transactions not involving cash |  |
Purchase of property, plant and equipment on credit | 211 | 154
Lease | 8,155 | 2,981
Provision for decommissioning costs | 6 | 66
Use of tax credits and judicial deposits for the payment of contingency | 114 | 63
Earnout related to Atapu and Sépia fields | 49 | 105

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NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS PETROBRAS (Expressed in millions of US Dollars, unless otherwise indicated)

| 28.1. | Reconciliation of Depreciation, depletion and amortization with Statements of Cash Flows

Schedule of reconciliation of depreciation, depletion and amortization with statements of cash flows |  |
| Jan-Jun/2025 | Jan-Jun/2024
Depreciation and depletion of Property, plant and equipment | 8,345 | 7,639
Amortization of Intangible assets | 72 | 67
Capitalized depreciation | (1,387) | (1,119)
Depreciation of right of use - recovery of PIS/COFINS | (86) | (87)
Depreciation, depletion and amortization in the Statements of Cash Flows | 6,944 | 6,500

| 29. | Subsequent events

Distribution of remuneration to shareholders

On August 7, 2025, Petrobras’s Board of Directors approved the distribution of remuneration to shareholders in the amount of US$ 1,585 or R$ 8,660 million (US$ 0.1230 per outstanding preferred and common shares, or R$ 0.6719), based on the net income for the three-month period ended June 30, 2025, considering the application of the Shareholder Remuneration Policy formula, as presented in the following table:

Schedule of anticipation of dividends |  |  |  |
| Date of approval by the Board of Directors | Date of record | Amount per common and preferred share | Amount
Interim dividends | 08.07.2025 | 08.21.2025 | 0.0368 | 474
Interim interest on capital | 08.07.2025 | 08.21.2025 | 0.0862 | 1,111
Total anticipated dividends |  |  | 0.1230 | 1,585

These dividends and interest on capital will be paid in two equal installments, on November 21, 2025 and December 22, 2025, and will be deducted from the remuneration that will be distributed to shareholders relating to the fiscal year 2025. The amounts will be adjusted by the SELIC rate from the date of payment of each installment until the end of the referred fiscal year, on December 31, 2025.

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KPMG Auditores Independentes Ltda.

Rua do Passeio, 38 - Setor 2 - 17º andar - Centro

20021-290 - Rio de Janeiro/RJ - Brasil

Caixa Postal 2888 - CEP 20001-970 - Rio de Janeiro/RJ - Brasil

Telefone +55 (21) 2207-9400

kpmg.com.br

Report of Independent Registered Public Accounting Firm

To Shareholders and Board of Directors of

Petróleo Brasileiro S.A. – Petrobras

Rio de Janeiro - RJ

Results of Review of Condensed Consolidated Interim Financial Statements

We have reviewed the condensed consolidated statement of financial position of Petróleo Brasileiro S.A. - Petrobras and subsidiaries (the “Company”) as of June 30, 2025, the related condensed consolidated statements of income and comprehensive income for the three and six-month periods ended June 30, 2025 and 2024, the related condensed consolidated statements of changes in shareholders’ equity and cash flows for the six-month period ended June 30, 2025 and 2024, and the related notes (collectively, the condensed consolidated interim financial statements). Based on our review, we are not aware of any material modifications that should be made to the condensed consolidated interim financial statements for them to be in accordance with IAS 34 - Interim Financial Reporting, as issued by the International Accounting Standards Board (IASB).

We have previously audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated statement of financial position of the Company as of December 31, 2024, and the related consolidated statements of income, comprehensive income, changes in shareholders’ equity, and cash flows for the year then ended (not presented herein); and in our report dated April 3, 2025, we expressed an unqualified opinion on those consolidated financial statements. In our opinion, the information set forth in the accompanying condensed consolidated statement of financial position as of December 31, 2024, is fairly stated, in all material respects, in relation to the consolidated statement of financial position from which it has been derived.

Basis for Review Results

These condensed consolidated interim financial statements are the responsibility of the Company’s management. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

KPMG Auditores Independentes Ltda., uma sociedade simples brasileira, de responsabilidade limitada e firma-membro da organização global KPMG de firmas-membro independentes licenciadas da KPMG International Limited, uma empresa inglesa privada de responsabilidade limitada. | KPMG Auditores Independentes Ltda., a Brazilian limited liability company and a member firm of the KPMG global organization of independent member firms affiliated with KPMG International Limited, a private English company limited by guarantee.

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We conducted our reviews in accordance with the standards of the PCAOB. A review of condensed consolidated interim financial statements consists principally of applying analytical procedures and making inquiries of persons responsible for financial and accounting matters. It is substantially less in scope than an audit conducted in accordance with the standards of the PCAOB, the objective of which is the expression of an opinion regarding the financial statements taken as a whole. Accordingly, we do not express such an opinion.

/s/ KPMG Auditores Independentes Ltda.

Rio de Janeiro - RJ

August 7, 2025

KPMG Auditores Independentes Ltda., uma sociedade simples brasileira, de responsabilidade limitada e firma-membro da organização global KPMG de firmas-membro independentes licenciadas da KPMG International Limited, uma empresa inglesa privada de responsabilidade limitada. | KPMG Auditores Independentes Ltda., a Brazilian limited liability company and a member firm of the KPMG global organization of independent member firms affiliated with KPMG International Limited, a private English company limited by guarantee.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: August 7, 2025

PETRÓLEO BRASILEIRO S.A–PETROBRAS
By: /s/ Fernando Sabbi Melgarejo

______________________________

Fernando Sabbi Melgarejo

Chief Financial Officer and Investor Relations Officer