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During the six months ended June 30, 2021, we repurchased $11.8 million of the Senior Secured Notes at a premium of $0.1 million in open market transactions. As of June 30, 2021 and December 31, 2020 the fair value (Level 2) of the Senior Secured Notes was $138.3 million and $141.4 million, respectively. 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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2021

☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to .

Commission File Number: 1-6311

Tidewater Inc.

(Exact name of registrant as specified in its charter)

Delaware | 72-0487776
(State or other jurisdiction of incorporation) | (I.R.S. Employer Identification No.)

6002 Rogerdale Road, Suite 600

Houston, Texas 77072

(Address of principal executive offices) (Zip code)

(713) 470-5300

Registrant’s telephone number, including area code

Not Applicable

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class | Trading Symbol(s) | Name of each exchange on which registered
Common stock, $0.001 par value per share | TDW | New York Stock Exchange
Series A Warrants to purchase shares of common stock | TDW.WS.A | New York Stock Exchange
Series B Warrants to purchase shares of common stock | TDW.WS.B | New York Stock Exchange
Warrants to purchase shares of common stock | TDW.WS | NYSE American
Preferred stock purchase rights | N/A | New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☐ |  |  | Accelerated filer ☒
Non-accelerated filer ☐ Emerging Growth Company ☐ |  |  | Smaller reporting company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Sections 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court. Yes ☒ No ☐

41,140,206 shares of Tidewater Inc. common stock $0.001 par value per share were outstanding on July 31, 2021.

Table of Contents

PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

TIDEWATER INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

(In thousands, except share and par value data)

| June 30, |  | December 31, |
ASSETS | 2021 |  | 2020 |
Current assets: |  |  |  |  |  |
Cash and cash equivalents | $ | 131,157 |  | $ | 149,933 |
Restricted cash |  | 20,284 |  |  | 2,079 |
Trade and other receivables, less allowance for credit losses of $2,099 and $1,516 at June 30, 2021 and December 31, 2020, respectively |  | 90,229 |  |  | 112,623 |
Due from affiliates, less allowance for credit losses of $70,695 and $71,800 at June 30, 2021 and December 31, 2020, respectively |  | 64,922 |  |  | 62,050 |
Marine operating supplies |  | 15,404 |  |  | 15,876 |
Assets held for sale |  | 17,214 |  |  | 34,396 |
Prepaid expenses and other current assets |  | 15,953 |  |  | 11,692 |
Total current assets |  | 355,163 |  |  | 388,649 |
Net properties and equipment |  | 731,659 |  |  | 780,318 |
Deferred drydocking and survey costs |  | 40,372 |  |  | 56,468 |
Other assets |  | 24,539 |  |  | 25,742 |
Total assets | $ | 1,151,733 |  | $ | 1,251,177 |
LIABILITIES AND EQUITY |  |  |  |  |  |
Current liabilities: |  |  |  |  |  |
Accounts payable | $ | 16,189 |  | $ | 16,981 |
Accrued expenses |  | 50,532 |  |  | 52,422 |
Due to affiliates |  | 59,759 |  |  | 53,194 |
Current portion of long-term debt |  | 7,355 |  |  | 27,797 |
Other current liabilities |  | 28,825 |  |  | 32,785 |
Total current liabilities |  | 162,660 |  |  | 183,179 |
Long-term debt |  | 148,612 |  |  | 164,934 |
Other liabilities |  | 80,723 |  |  | 79,792 |
Commitments and contingencies |  |  |  |  |  |
Equity: |  |  |  |  |  |
Common stock of $0.001 par value, 125,000,000 shares authorized, 41,000,575 and 40,704,984 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively |  | 41 |  |  | 41 |
Additional paid-in capital |  | 1,373,727 |  |  | 1,371,809 |
Accumulated deficit |  | (613,708 | ) |  | (548,931 | )
Accumulated other comprehensive loss |  | (1,082 | ) |  | (804 | )
Total stockholders’ equity |  | 758,978 |  |  | 822,115 |
Noncontrolling interests |  | 760 |  |  | 1,157 |
Total equity |  | 759,738 |  |  | 823,272 |
Total liabilities and equity | $ | 1,151,733 |  | $ | 1,251,177 |

The accompanying notes are an integral part of these Condensed Consolidated Financial Statements.

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TIDEWATER INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

(In thousands, except per share data)

|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessel revenues |  | $ | 88,514 |  |  | $ | 100,975 |  |  | $ | 169,507 |  |  | $ | 212,949 |
Other operating revenues |  |  | 1,439 |  |  |  | 1,369 |  |  |  | 3,950 |  |  |  | 5,763 |
|  |  | 89,953 |  |  |  | 102,344 |  |  |  | 173,457 |  |  |  | 218,712 |
Costs and expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessel operating costs |  |  | 64,263 |  |  |  | 64,774 |  |  |  | 125,283 |  |  |  | 143,599 |
Costs of other operating revenues |  |  | 581 |  |  |  | 171 |  |  |  | 1,648 |  |  |  | 2,844 |
General and administrative |  |  | 16,787 |  |  |  | 17,597 |  |  |  | 32,830 |  |  |  | 39,017 |
Depreciation and amortization |  |  | 28,549 |  |  |  | 28,144 |  |  |  | 58,276 |  |  |  | 55,251 |
Long-lived asset impairments |  |  | — |  |  |  | 55,482 |  |  |  | — |  |  |  | 65,689 |
Affiliate credit loss impairment expense (credit) |  |  | (1,000 | ) |  |  | 53,581 |  |  |  | (1,000 | ) |  |  | 53,581 |
Affiliate guarantee obligation |  |  | — |  |  |  | 2,000 |  |  |  | — |  |  |  | 2,000 |
(Gain) loss on asset dispositions, net |  |  | 932 |  |  |  | (1,660 | ) |  |  | 2,880 |  |  |  | (6,991 | )
|  |  | 110,112 |  |  |  | 220,089 |  |  |  | 219,917 |  |  |  | 354,990 |
Operating loss |  |  | (20,159 | ) |  |  | (117,745 | ) |  |  | (46,460 | ) |  |  | (136,278 | )
Other income (expense): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange gain (loss) |  |  | 422 |  |  |  | (2,076 | ) |  |  | (428 | ) |  |  | (1,212 | )
Equity in net earnings (losses) of unconsolidated companies |  |  | 52 |  |  |  | — |  |  |  | (1,797 | ) |  |  | — |
Dividend income from unconsolidated company |  |  | — |  |  |  | 17,150 |  |  |  | — |  |  |  | 17,150 |
Interest income and other, net |  |  | 8 |  |  |  | 696 |  |  |  | 31 |  |  |  | 812 |
Interest and other debt costs, net |  |  | (3,944 | ) |  |  | (5,959 | ) |  |  | (8,485 | ) |  |  | (12,101 | )
|  |  | (3,462 | ) |  |  | 9,811 |  |  |  | (10,679 | ) |  |  | 4,649 |
Loss before income taxes |  |  | (23,621 | ) |  |  | (107,934 | ) |  |  | (57,139 | ) |  |  | (131,629 | )
Income tax (benefit) expense |  |  | 6,026 |  |  |  | 2,730 |  |  |  | 8,035 |  |  |  | (2,441 | )
Net loss |  | $ | (29,647 | ) |  | $ | (110,664 | ) |  | $ | (65,174 | ) |  | $ | (129,188 | )
Net loss attributable to noncontrolling interests |  |  | (185 | ) |  |  | (41 | ) |  |  | (397 | ) |  |  | (120 | )
Net loss attributable to Tidewater Inc. |  | $ | (29,462 | ) |  | $ | (110,623 | ) |  | $ | (64,777 | ) |  | $ | (129,068 | )
Basic loss per common share |  | $ | (0.72 | ) |  | $ | (2.74 | ) |  | $ | (1.59 | ) |  | $ | (3.21 | )
Diluted loss per common share |  | $ | (0.72 | ) |  | $ | (2.74 | ) |  | $ | (1.59 | ) |  | $ | (3.21 | )
Weighted average common shares outstanding |  |  | 40,899 |  |  |  | 40,306 |  |  |  | 40,808 |  |  |  | 40,203 |
Adjusted weighted average common shares |  |  | 40,899 |  |  |  | 40,306 |  |  |  | 40,808 |  |  |  | 40,203 |

The accompanying notes are an integral part of these Condensed Consolidated Financial Statements.

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TIDEWATER INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(Unaudited)

(In thousands)

|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
Net loss |  | $ | (29,647 | ) |  | $ | (110,664 | ) |  | $ | (65,174 | ) |  | $ | (129,188 | )
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in pension plan and supplemental pension plan liability, net of tax of $0, $0.2 million, $0 and $0.2 million, respectively |  |  | (207 | ) |  |  | 448 |  |  |  | (278 | ) |  |  | 817 |
Total comprehensive loss |  | $ | (29,854 | ) |  | $ | (110,216 | ) |  | $ | (65,452 | ) |  | $ | (128,371 | )

The accompanying notes are an integral part of these Condensed Consolidated Financial Statements.

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TIDEWATER INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(In thousands)

|  | Six Months |  |  | Six Months |
|  | Ended |  |  | Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |
Operating activities: |  |  |  |  |  |  |  |
Net loss |  | $ | (65,174 | ) |  | $ | (129,188 | )
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |  |  |  |  |  |  |
Depreciation and amortization |  |  | 36,694 |  |  |  | 34,271 |
Amortization of deferred drydocking and survey costs |  |  | 21,582 |  |  |  | 20,980 |
Amortization of debt premium and discounts |  |  | 1,986 |  |  |  | 1,357 |
Provision for deferred income taxes |  |  | 648 |  |  |  | 206 |
(Gain) loss on asset dispositions, net |  |  | 2,880 |  |  |  | (6,991 | )
Loss on debt extinguishment |  |  | 59 |  |  |  | — |
Affiliate credit loss impairment expense (credit) |  |  | (1,000 | ) |  |  | 53,581 |
Affiliate guarantee obligation |  |  | — |  |  |  | 2,000 |
Long-lived asset impairments |  |  | — |  |  |  | 65,689 |
Stock-based compensation expense |  |  | 2,676 |  |  |  | 2,736 |
Changes in assets and liabilities, net: |  |  |  |  |  |  |  |
Trade and other receivables |  |  | 22,394 |  |  |  | (4,991 | )
Changes in due to/from affiliates, net |  |  | 4,693 |  |  |  | 3,242 |
Accounts payable |  |  | (792 | ) |  |  | (10,390 | )
Accrued expenses |  |  | (2,074 | ) |  |  | (13,007 | )
Deferred drydocking and survey costs |  |  | (6,771 | ) |  |  | (28,964 | )
Other, net |  |  | (7,234 | ) |  |  | (3,354 | )
Net cash provided by (used in) operating activities |  |  | 10,567 |  |  |  | (12,823 | )
Cash flows from investing activities: |  |  |  |  |  |  |  |
Proceeds from asset dispositions |  |  | 29,560 |  |  |  | 20,906 |
Additions to properties and equipment |  |  | (1,861 | ) |  |  | (4,075 | )
Net cash provided by investing activities |  |  | 27,699 |  |  |  | 16,831 |
Cash flows from financing activities: |  |  |  |  |  |  |  |
Principal payments on long-term debt |  |  | (37,901 | ) |  |  | (4,742 | )
Debt modification costs |  |  | (855 | ) |  |  | (612 | )
Debt extinguishment premium |  |  | (59 | ) |  |  | — |
Tax on share-based awards |  |  | (758 | ) |  |  | — |
Net cash used in financing activities |  |  | (39,573 | ) |  |  | (5,354 | )
Net change in cash, cash equivalents and restricted cash |  |  | (1,307 | ) |  |  | (1,346 | )
Cash, cash equivalents and restricted cash at beginning of period |  |  | 155,225 |  |  |  | 227,608 |
Cash, cash equivalents and restricted cash at end of period |  | $ | 153,918 |  |  | $ | 226,262 |
Supplemental disclosure of cash flow information: |  |  |  |  |  |  |  |
Cash paid during the period for: |  |  |  |  |  |  |  |
Interest, net of amounts capitalized |  | $ | 7,028 |  |  | $ | 10,734 |
Income taxes |  | $ | 6,609 |  |  | $ | 6,461 |

Cash, cash equivalents and restricted cash at June 30, 2021 includes $2.5 million in long-term restricted cash, which is included in other assets in our condensed consolidated balance sheet.

The accompanying notes are an integral part of these Condensed Consolidated Financial Statements.

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TIDEWATER INC.

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY

(Unaudited)

(In thousands)

|  | Three Months Ended |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Additional |  |  |  |  |  |  | other |  |  | Non |  |  |  |  |
|  | Common |  |  | paid-in |  |  | Accumulated |  |  | comprehensive |  |  | controlling |  |  |  |  |
|  | stock |  |  | capital |  |  | deficit |  |  | income (loss) |  |  | interest |  |  | Total |
Balance at March 31, 2021 |  | $ | 41 |  |  | $ | 1,372,846 |  |  | $ | (584,246 | ) |  | $ | (875 | ) |  | $ | 945 |  |  | $ | 788,711 |
Total comprehensive loss |  |  | — |  |  |  | — |  |  |  | (29,462 | ) |  |  | (207 | ) |  |  | (185 | ) |  |  | (29,854 | )
Amortization of share-based awards |  |  | — |  |  |  | 881 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 881 |
Balance at June 30, 2021 |  | $ | 41 |  |  | $ | 1,373,727 |  |  | $ | (613,708 | ) |  | $ | (1,082 | ) |  | $ | 760 |  |  | $ | 759,738 |
Balance at March 31, 2020 |  | $ | 40 |  |  | $ | 1,368,325 |  |  | $ | (371,134 | ) |  | $ | 133 |  |  | $ | 1,532 |  |  | $ | 998,896 |
Total comprehensive income (loss) |  |  | — |  |  |  | — |  |  |  | (110,623 | ) |  |  | 448 |  |  |  | (41 | ) |  |  | (110,216 | )
Amortization of share-based awards |  |  | — |  |  |  | 1,320 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,320 |
Balance at June 30, 2020 |  | $ | 40 |  |  | $ | 1,369,645 |  |  | $ | (481,757 | ) |  | $ | 581 |  |  | $ | 1,491 |  |  | $ | 890,000 |

|  | Six Months Ended |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Additional |  |  |  |  |  |  | other |  |  | Non |  |  |  |  |
|  | Common |  |  | paid-in |  |  | Accumulated |  |  | comprehensive |  |  | controlling |  |  |  |  |
|  | stock |  |  | capital |  |  | deficit |  |  | income (loss) |  |  | interest |  |  | Total |
Balance at December 31, 2020 |  | $ | 41 |  |  | $ | 1,371,809 |  |  | $ | (548,931 | ) |  | $ | (804 | ) |  | $ | 1,157 |  |  | $ | 823,272 |
Total comprehensive loss |  |  | — |  |  |  | — |  |  |  | (64,777 | ) |  |  | (278 | ) |  |  | (397 | ) |  |  | (65,452 | )
Amortization of share-based awards |  |  | — |  |  |  | 1,918 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,918 |
Balance at June 30, 2021 |  | $ | 41 |  |  | $ | 1,373,727 |  |  | $ | (613,708 | ) |  | $ | (1,082 | ) |  | $ | 760 |  |  | $ | 759,738 |
Balance at December 31, 2019 |  | $ | 40 |  |  | $ | 1,367,521 |  |  | $ | (352,526 | ) |  | $ | (236 | ) |  | $ | 1,611 |  |  | $ | 1,016,410 |
Total comprehensive income (loss) |  |  | — |  |  |  | — |  |  |  | (129,068 | ) |  |  | 817 |  |  |  | (120 | ) |  |  | (128,371 | )
Adoption of credit loss accounting standard |  |  | — |  |  |  | — |  |  |  | (163 | ) |  |  | — |  |  |  | — |  |  |  | (163 | )
Amortization of share-based awards |  |  | — |  |  |  | 2,124 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,124 |
Balance at June 30, 2020 |  | $ | 40 |  |  | $ | 1,369,645 |  |  | $ | (481,757 | ) |  | $ | 581 |  |  | $ | 1,491 |  |  | $ | 890,000 |

The accompanying notes are an integral part of the Condensed Consolidated Financial Statements.

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(1) | INTERIM FINANCIAL STATEMENTS

The unaudited condensed consolidated financial statements for the interim periods presented herein have been prepared in conformity with United States generally accepted accounting principles and, in the opinion of management, include all adjustments (consisting only of normal recurring adjustments) necessary for a fair statement of the unaudited condensed consolidated financial statements at the dates and for the periods indicated as required by Rule 10-01 of Regulation S-X of the Securities and Exchange Commission (SEC). Results of operations for interim periods are not necessarily indicative of results of operations for the respective full years. These unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto in our Annual Report on Form 10-K for the year ended December 31, 2020, filed with the SEC on March 4, 2021, as amended on April 30, 2021.

The unaudited condensed consolidated financial statements include the accounts of Tidewater Inc. and its subsidiaries. Intercompany balances and transactions are eliminated in consolidation. We use the equity method to account for equity investments over which we exercise significant influence but do not exercise control and are not the primary beneficiary. Unless otherwise specified, all per share information included in this document is on a diluted earnings per share basis.

(2) | RECENTLY ISSUED OR ADOPTED ACCOUNTING PRONOUNCEMENTS

In July 2021, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2021-05, Lessors – Certain Leases with Variable Lease Payments, which amends Topic 842, Accounting for Leases, to require a lessor to classify a lease with entirely or partially variable payments that do not depend on an index or rate as an operating lease if another classification (i.e. sales-type or direct financing) would trigger a Day 1 loss. The guidance is effective for annual and interim periods beginning after December 15, 2021, with early adoption permitted. Although we are presently evaluating the effect of the standard, we do not expect its adoption to have a material impact on our consolidated financial statements and related disclosures.

In May 2021, the FASB issued ASU-2021-04, Issuer’s Accounting for Certain Modifications or Exchanges of Freestanding Equity-Classified Written Call Options, which clarify and reduce diversity in an issuer’s accounting for modifications or exchanges of freestanding equity-classified written call options that remain equity classified after modification or exchange. The guidance is effective for annual and interim periods beginning after December 15, 2021, with early adoption permitted. Although we are presently evaluating the effect of the standard, we do not expect its adoption to have a material impact on our consolidated financial statements and related disclosures.

In December 2019, the FASB issued ASU 2019-12, Simplifying the Accounting for Income Taxes, which simplifies the accounting for income taxes by removing certain exceptions to the general principles in Topic 740 and clarifying and amending existing guidance. The guidance is effective for annual and interim periods beginning after December 15, 2020 with early adoption permitted. We adopted this standard on January 1, 2021 and it did not have a material impact on our consolidated financial statements and related disclosures.

In August 2018 the FASB issued ASU 2018-14, Compensation – Retirement Benefits – Defined Benefit Plans – General, which modifies the disclosure requirements for employers that sponsor defined benefit plans or other postretirement plans. This ASU removes certain disclosures that are no longer considered cost beneficial, clarifies the specific requirements of certain other disclosures, and adds disclosure requirements identified as relevant. The guidance is effective for annual and interim periods beginning after December 15, 2020 with early adoption permitted. We adopted this standard on January 1, 2021 and it did not have a material impact on our related disclosures.

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(3) | ALLOWANCE FOR CREDIT LOSSES

Expected credit losses are recognized on the initial recognition of our trade accounts receivable and contract assets. In each subsequent reporting period, even if a loss has not yet been incurred, credit losses are recognized based on the history of credit losses and current conditions, as well as reasonable and supportable forecasts affecting collectability. We developed an expected credit loss model applicable to our trade accounts receivable and contract assets that considers our historical performance and the economic environment, as well as the credit risk and its expected development for each segmented group of customers that share similar risk characteristics. It is our practice to write off receivables when all legal options for collection have been exhausted.

Activity in the allowance for credit losses for the six months ended June 30, 2021 is as follows:

|  | Trade |  |  | Due |
|  | and Other |  |  | from |
(In thousands) |  | Receivables |  |  | Affiliates |
Balance at January 1, 2021 |  | $ | 1,516 |  |  | $ | 71,800 |
Current period provision for expected credit losses |  |  | 672 |  |  |  | (1,000 | )
Write offs |  |  | (89 | ) |  |  | — |
Other |  |  | — |  |  |  | (105 | )
Balance at June 30, 2021 |  | $ | 2,099 |  |  | $ | 70,695 |

(4) | REVENUE RECOGNITION

Refer to Note (13) for the amount of revenue by segment and in total for the worldwide fleet.

Contract Balances

At June 30, 2021, we had $1.4 million and $4.2 million of deferred mobilization costs included within prepaid expenses and other current assets and other assets, respectively.

At June 30, 2021, we have $0.8 million of deferred mobilization revenue, included within accrued expenses, related to unsatisfied performance obligations which will be recognized during the remainder of 2021 and 2022.

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(5) | STOCKHOLDERS' EQUITY AND DILUTIVE EQUITY INSTRUMENTS

Accumulated Other Comprehensive Income (Loss)

The changes in accumulated other comprehensive income (loss) (OCI) by component, net of tax, for the three and six months ended June 30, 2021 and 2020 are as follows:

|  | Three Months Ended |
|  | June 30, |  |  | June 30, |
(In thousands) |  | 2021 |  |  | 2020 |
Balance at March 31, 2021 and 2020 |  | $ | (875 | ) |  | $ | 133 |
Pension benefits recognized in OCI |  |  | (207 | ) |  |  | 448 |
Balance at June 30, 2021 and 2020 |  | $ | (1,082 | ) |  | $ | 581 |

|  | Six Months Ended |
|  | June 30, |  |  | June 30, |
(In thousands) |  | 2021 |  |  | 2020 |
Balance at December 31, 2020 and 2019 |  | $ | (804 | ) |  | $ | (236 | )
Pension benefits recognized in OCI |  |  | (278 | ) |  |  | 817 |
Balance at June 30, 2021 and 2020 |  | $ | (1,082 | ) |  | $ | 581 |

Dilutive Equity Instruments

We had 2,932,590 and 2,402,241 incremental "in-the-money" warrants, restricted stock units and stock options at June 30, 2021 and 2020, respectively, which are as follows:

Total shares outstanding including warrants, restricted stock units and stock options |  | June 30, 2021 |  |  | June 30, 2020 |
Common shares outstanding |  |  | 41,000,575 |  |  |  | 40,335,963 |
New creditor warrants (strike price $0.001 per common share) |  |  | 639,354 |  |  |  | 817,742 |
GulfMark creditor warrants (strike price $0.01 per common share) |  |  | 669,601 |  |  |  | 952,154 |
Restricted stock units and stock options |  |  | 1,623,635 |  |  |  | 632,345 |
Total |  |  | 43,933,165 |  |  |  | 42,738,204 |

We also had 5,923,399 shares of “out-of-the-money” warrants outstanding at both June 30, 2021 and 2020. Included in these “out-of-the-money” warrants are Series A Warrants, Series B Warrants and GLF Equity Warrants which have exercise prices of $57.06, $62.28, and $100.00, respectively. No warrants or restricted stock units, whether in the money or out of the money, are included in our loss per share calculations because the effect of such inclusion is antidilutive.

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(6) | INCOME TAXES

We use a discrete effective tax rate method to calculate taxes for interim periods instead of applying the annual effective tax rate to an estimate of the full fiscal year due to the level of volatility and unpredictability of earnings in our industry, both overall and by jurisdiction.

Income tax expense for the quarter and six months ended June 30, 2021, reflects tax liabilities in various jurisdictions that are either based on revenue (deemed profit regimes) or pre-tax profits.

The tax liabilities for uncertain tax positions are primarily attributable to permanent establishment issues related to a foreign joint venture, subpart F income inclusions and withholding taxes on foreign services. Penalties and interest related to income tax liabilities are included in income tax expense. Income tax payable is included in other current liabilities.

As of December 31, 2020, our balance sheet reflected approximately $137.0 million of net deferred tax assets prior to a valuation allowance analysis, with a valuation allowance of $140.4 million. As of June 30, 2021, we had net deferred tax assets of approximately $162.9 million prior to a valuation allowance analysis of $167.0 million.

Management assesses all available positive and negative evidence to permit use of existing deferred tax assets.

The Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) was enacted on March 27, 2020 in the United States. The CARES Act includes several significant business tax provisions, that are available to the Company, that, among other things, would allow businesses to carry back net operating losses arising after 2017 to the five prior tax years. Considering the available carryback, in the second quarter of 2020, we recorded an account receivable tax benefit totaling $6.9 million related to the realization of net operating loss deferred tax assets on which a valuation allowance was previously recorded. We collected this receivable in the first quarter of 2021.

With limited exceptions, we are no longer subject to tax audits by U.S. federal, state, local or foreign taxing authorities for years prior to 2014. We are subject to ongoing examinations by various foreign tax authorities and do not believe that the results of these examinations will have a material adverse effect on our financial position, results of operations, or cash flows.

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(7) | AFFILIATES BALANCES

We maintained the following balances with our unconsolidated affiliates:

(In thousands) |  | June 30, 2021 |  |  | December 31, 2020 |
Due from affiliates: |  |  |  |  |  |  |  |
Angolan joint venture (Sonatide) |  | $ | 44,135 |  |  | $ | 41,623 |
Nigeria joint venture (DTDW) |  |  | 20,787 |  |  |  | 20,427 |
|  |  | 64,922 |  |  |  | 62,050 |
Due to affiliates: |  |  |  |  |  |  |  |
Sonatide |  | $ | 38,972 |  |  | $ | 32,767 |
DTDW |  |  | 20,787 |  |  |  | 20,427 |
|  |  | 59,759 |  |  |  | 53,194 |
Net due from affiliates |  | $ | 5,163 |  |  | $ | 8,856 |

Amounts due from Sonatide

Amounts due from Sonatide represent cash received by Sonatide from customers and due to us, amounts due from customers that are expected to be remitted to us by Sonatide and costs incurred by us on behalf of Sonatide. The following table displays the activity in the due from affiliate account related to Sonatide for the period indicated:

|  | Six Months |
|  | Ended |
(In thousands) |  | June 30, 2021 |
Due from Sonatide at December 31, 2020 |  | $ | 41,623 |
Revenue earned by the company through Sonatide |  |  | 17,187 |
Less amounts received from Sonatide |  |  | (14,632 | )
Other |  |  | (43 | )
Total due from Sonatide at June 30, 2021 |  | $ | 44,135 |

The amounts due from Sonatide are denominated in U.S. dollars; however, the underlying third-party customer payments to Sonatide were satisfied, in part, in Angolan kwanzas. In late 2019, we were informed that, as part of a broad privatization program, Sonangol, our partner in Sonatide, intends to seek to divest itself from the Sonatide joint venture.

In the second quarter of 2020 Sonatide declared a $35.0 million dividend. On June 22, 2020, Sonangol received $17.8 million and we received $17.2 million. All of our share of the dividend is reflected as dividend income from unconsolidated company in the consolidated statement of operations because (i) our investment in the Sonatide joint venture had previously been written down to zero, (ii) the distributions are not refundable and (iii) we are not liable for the obligations of or committed to provide financial support to the Sonatide joint venture. In addition, as a result of the aforementioned dividend payment, the cash balances of the joint venture were significantly reduced and we determined that, as a result, a significant portion of our net due from Sonatide balance was compromised. On June 30, 2020, we recorded a $41.5 million credit loss impairment expense.

After offsetting the amounts due to Sonatide, the net amount due from Sonatide at June 30, 2021 was approximately $5.2 million. Sonatide had approximately $9.6 million of cash on hand (approximately $0.4 million denominated in Angolan kwanzas) at June 30, 2021 plus approximately $6.8 million of net trade accounts receivable to satisfy the net due from Sonatide. Given prior discussions with our partner regarding how the net losses from the devaluation of certain Angolan kwanza denominated accounts should be shared, we continue to evaluate our net due from Sonatide balance for possible additional changes in future periods based in part on available liquidity held by Sonatide. In the second quarter of 2021, we recorded a $1.0 million credit to the credit loss impairment account.

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Amounts due to Sonatide

Amounts due to Sonatide represent commissions payable and other costs paid by Sonatide on our behalf. The following table displays the activity in the due to affiliate account related to Sonatide for the period indicated:

|  | Six Months |
|  | Ended |
(In thousands) |  | June 30, 2021 |
Due to Sonatide at December 31, 2020 |  | $ | 32,767 |
Plus additional commissions payable to Sonatide |  |  | 1,596 |
Plus amounts paid by Sonatide on behalf of the company |  |  | 4,331 |
Other |  |  | 278 |
Total due to Sonatide at June 30, 2021 |  | $ | 38,972 |

Company operations in Angola

Vessel revenues generated by our Angolan operations, percent of consolidated vessel revenues, average number of company owned vessels and average number of stacked company owned vessels of our Angolan operations for the periods indicated were as follows:

|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
Revenues of Angolan operations (in thousands) |  | $ | 9,075 |  |  | $ | 12,289 |  |  | $ | 18,367 |  |  | $ | 24,426 |
Percent of consolidated vessel revenues |  |  | 10 | % |  |  | 12 | % |  |  | 11 | % |  |  | 11 | %
Number of company owned vessels in Angola |  |  | 23 |  |  |  | 26 |  |  |  | 22 |  |  |  | 27 |
Number of stacked company owned vessels in Angola |  |  | 5 |  |  |  | 9 |  |  |  | 6 |  |  |  | 10 |

Amounts due from DTDW

We own 40% of DTDW. Our partner, who owns 60%, is a Nigerian national. DTDW owns one offshore service vessel. We also, from time to time, operate company owned vessels in Nigeria for which our partner receives a commission. As of June 30, 2021, we had no company owned vessels operating in Nigeria and the DTDW owned vessel was not employed. As a result, the near-term cash flow projections indicate that DTDW does not have sufficient funds to meet its obligations to us or its vendors. Based on current situations, operations in Nigeria have been severely impacted and we have effectively ceased activity. We have created a fully reserved position in our consolidated balance sheet to account for our expected liabilities related to certain obligations of the joint venture. In the second quarter of 2020, we recorded an affiliate credit loss impairment expense for the entire net due from DTDW balance as of June 30, 2020 totaling $12.1 million

Previously, DTDW had long-term debt of $4.7 million which was secured by the vessel owned by DTDW and guarantees from the DTDW partners (in proportion to their ownership interests). On April 22, 2021, we paid approximately $2.0 million, which was fully reserved on June 30, 2020, that represented our portion of the joint venture debt guarantee and our partner assumed the remaining joint venture debt which represented his portion of the guarantee.

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(8) | EMPLOYEE BENEFIT PLANS

U.S. Defined Benefit Pension Plan

We have a defined benefit pension plan (pension plan) that covers certain U.S. citizen employees and other employees who are permanent residents of the United States. The pension plan was frozen during 2010. We have not made contributions to the pension plan since 2019. Actuarial valuations are performed annually and an assessment of the future pension obligations and market value of the assets will determine if contributions are made in the future.

Supplemental Executive Retirement Plan

We also support a non-contributory and non-qualified defined benefit supplemental executive retirement plan (supplemental plan) which was closed to new participants during 2010. We contributed $0.8 million during each of the six months ended June 30, 2021 and 2020, respectively. We expect to contribute $0.8 million to the supplemental plan during the remainder of 2021. Our obligations under the supplemental plan were $22.8 million for both June 30, 2021 and December 31, 2020, respectively, and are included in “accrued expenses” and “other liabilities” in the condensed consolidated balance sheet.

Net Periodic Benefit Costs

The net periodic benefit cost for our defined benefit pension plans and supplemental plan (referred to collectively as “Pension Benefits”) is comprised of the following components:

|  | Three Months Ended |  |  | Six Months Ended |
(In thousands) |  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
Pension Benefits: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | — |  |  | $ | (26 | ) |  | $ | — |  |  | $ | 14 |
Interest cost |  |  | 543 |  |  |  | 2,273 |  |  |  | 1,086 |  |  |  | 2,498 |
Expected return on plan assets |  |  | (544 | ) |  |  | (2,058 | ) |  |  | (1,087 | ) |  |  | (2,094 | )
Administrative expenses |  |  | — |  |  |  | (11 | ) |  |  | — |  |  |  | 12 |
Settlement loss |  |  | — |  |  |  | 323 |  |  |  | — |  |  |  | 831 |
Amortization of net actuarial losses |  |  | 37 |  |  |  | 35 |  |  |  | 73 |  |  |  | (9 | )
Net periodic pension cost |  | $ | 36 |  |  | $ | 536 |  |  | $ | 72 |  |  | $ | 1,252 |

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(9) | DEBT

The following is a summary of all debt outstanding:

|  | June 30, |  |  | December 31, |
(In thousands) |  | 2021 |  |  | 2020 |
Secured notes: |  |  |  |  |  |  |  |
8.00% Senior secured notes due August 2022 (A) (B) (C) |  | $ | 135,210 |  |  | $ | 147,049 |
Troms Offshore borrowings (D): |  |  |  |  |  |  |  |
NOK denominated notes due May 2024 |  |  | 2,810 |  |  |  | 5,954 |
NOK denominated notes due January 2026 |  |  | 7,287 |  |  |  | 14,559 |
USD denominated notes due January 2027 |  |  | 7,513 |  |  |  | 14,744 |
USD denominated notes due April 2027 |  |  | 7,444 |  |  |  | 15,669 |
|  | $ | 160,264 |  |  | $ | 197,975 |
Debt premiums and discounts, net |  |  | (4,297 | ) |  |  | (5,244 | )
Less: Current portion of long-term debt |  |  | (7,355 | ) |  |  | (27,797 | )
Total long-term debt |  | $ | 148,612 |  |  | $ | 164,934 |

| (A) | As of June 30, 2021 and December 31, 2020 the fair value (Level 2) of the Senior Secured Notes was $138.3 million and $141.4 million, respectively.
| (B) | The $20.3 million restricted cash on the balance sheet at June 30, 2021, represents approximately 65% of net proceeds from asset dispositions since the date of the last tender offer and is restricted by the terms of the Indenture.
| (C) | During the six months ended June 30, 2021, we repurchased $11.8 million of the Senior Secured Notes at a premium of $0.1 million in open market transactions.
| (D) | We pay principal and interest on these notes semi-annually. As of June 30, 2021 and December 31, 2020, the aggregate fair value (Level 2) of the Troms Offshore borrowings was $24.4 million and $51.6 million, respectively. The weighted average interest rate of the Troms Offshore borrowings as of June 30, 2021 was 5.0%.

We may from time to time seek to retire or purchase our outstanding debt through cash purchases and/or exchanges for equity securities, in open market purchases, privately negotiated transactions, tender offers, exchange offers, redemptions, one or more additional offers, or otherwise. Such repurchases or exchanges, if any, will depend on prevailing market conditions, our liquidity requirements, contractual restrictions and other factors. The amounts involved may be material.

An amendment and restatement of the Troms offshore credit agreement was executed in December 2020 whereby the financial covenants were conformed to match the November 2020 amendments to the covenants governing the Senior Secured Notes, and included an obligation to prepay (1) the amounts deferred in the 2017 amendment and restatement and (2) an additional amount that will not exceed $45 million representing a percentage of Senior Secured Notes prepayments. The prepayment associated with this amendment made in the first six months of 2021 totaled $23.3 million. Additional prepayment obligations of $3.5 million are due in the fourth quarter of 2021, and are reflected in current portion of long-term debt on our condensed consolidated balance sheet.

We currently intend to refinance all or a portion of the Senior Secured Notes during or prior to the fourth quarter of 2021. Although we believe we have several options available, there can be no assurance that we will be able to complete a refinancing of the Senior Secured Notes.

(10) | COMMITMENTS AND CONTINGENCIES

Currency Devaluation and Fluctuation Risk

Due to our international operations, we are exposed to foreign currency exchange rate fluctuations against the U.S. dollar. For some of our international contracts, a portion of the revenue and local expenses are incurred in local currencies with the result that we are at risk for changes in the exchange rates between the U.S. dollar and foreign currencies. We generally do not hedge against any foreign currency rate fluctuations associated with foreign currency contracts that arise in the normal course of business, which exposes us to the risk of exchange rate losses. To minimize the financial impact of these items, we attempt to contract a significant majority of our services in U.S. dollars. In addition, we attempt to minimize the financial impact of these risks by matching the currency of our operating costs with the currency of our revenue streams when considered appropriate. We continually monitor the currency exchange risks associated with all contracts not denominated in U.S. dollars.

Legal Proceedings

Various legal proceedings and claims are outstanding which arose in the ordinary course of business. In the opinion of management, the amount of ultimate liability, if any, with respect to these actions, will not have a material adverse effect on our financial position, results of operations, or cash flows.

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(11) | FAIR VALUE MEASUREMENTS

Other Financial Instruments

Our primary financial instruments consist of cash and cash equivalents, restricted cash, trade receivables and trade payables with book values that are considered to be representative of their respective fair values. The carrying value for cash equivalents is considered to be representative of its fair value due to the short duration and conservative nature of the cash equivalent investment portfolio. In addition, we disclose the fair value of our long-term debt in Note 9 and the fair value of our assets held for sale in Note 15.

(12) | PROPERTIES AND EQUIPMENT, ACCRUED EXPENSES, OTHER CURRENT LIABILITIES AND OTHER LIABILITIES

As of June 30, 2021, our property and equipment consist primarily of 145 active vessels, which excludes the 14 vessels we have classified as held for sale, located around the world. As of December 31, 2020, our property and equipment consisted primarily of 149 active vessels, which excluded 23 vessels classified as held for sale.

A summary of properties and equipment is as follows:

|  | June 30, |  |  | December 31, |
(In thousands) |  | 2021 |  |  | 2020 |
Properties and equipment: |  |  |  |  |  |  |  |
Vessels and related equipment |  | $ | 921,072 |  |  | $ | 940,175 |
Other properties and equipment |  |  | 16,163 |  |  |  | 16,861 |
|  |  | 937,235 |  |  |  | 957,036 |
Less accumulated depreciation and amortization |  |  | 205,576 |  |  |  | 176,718 |
Properties and equipment, net |  | $ | 731,659 |  |  | $ | 780,318 |

A summary of accrued expenses is as follows:

|  | June 30, |  |  | December 31, |
(In thousands) |  | 2021 |  |  | 2020 |
Payroll and related payables |  | $ | 16,447 |  |  | $ | 17,201 |
Accrued vessel expenses |  |  | 16,680 |  |  |  | 17,129 |
Accrued interest expense |  |  | 2,646 |  |  |  | 3,240 |
Other accrued expenses |  |  | 14,759 |  |  |  | 14,852 |
|  | $ | 50,532 |  |  | $ | 52,422 |

A summary of other current liabilities is as follows:

|  | June 30, |  |  | December 31, |
(In thousands) |  | 2021 |  |  | 2020 |
Taxes payable |  | $ | 22,027 |  |  | $ | 23,883 |
Other |  |  | 6,798 |  |  |  | 8,902 |
|  | $ | 28,825 |  |  | $ | 32,785 |

A summary of other liabilities is as follows:

|  | June 30, |  |  | December 31, |
(In thousands) |  | 2021 |  |  | 2020 |
Pension liabilities |  | $ | 31,324 |  |  | $ | 31,736 |
Liability for uncertain tax positions |  |  | 36,511 |  |  |  | 35,304 |
Other |  |  | 12,888 |  |  |  | 12,752 |
|  | $ | 80,723 |  |  | $ | 79,792 |

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(13) | SEGMENT AND GEOGRAPHIC DISTRIBUTION OF OPERATIONS

The following table provides a comparison of segment revenues, vessel operating profit (loss), depreciation and amortization, and additions to properties and equipment for the three and six months ended June 30, 2021 and 2020. Vessel revenues relate to vessels owned and operated by us while other operating revenues relate to other miscellaneous marine-related businesses.

|  | Three Months Ended |  |  | Six Months Ended |
(In thousands) |  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessel revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Americas |  | $ | 23,481 |  |  | $ | 34,044 |  |  | $ | 49,705 |  |  | $ | 65,903 |
Middle East/Asia Pacific |  |  | 25,628 |  |  |  | 23,983 |  |  |  | 50,042 |  |  |  | 48,811 |
Europe/Mediterranean |  |  | 22,467 |  |  |  | 20,620 |  |  |  | 37,216 |  |  |  | 50,111 |
West Africa |  |  | 16,938 |  |  |  | 22,328 |  |  |  | 32,544 |  |  |  | 48,124 |
Other operating revenues |  |  | 1,439 |  |  |  | 1,369 |  |  |  | 3,950 |  |  |  | 5,763 |
|  | $ | 89,953 |  |  | $ | 102,344 |  |  | $ | 173,457 |  |  | $ | 218,712 |
Vessel operating profit (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Americas |  | $ | (4,940 | ) |  | $ | 4,505 |  |  | $ | (6,591 | ) |  | $ | 3,341 |
Middle East/Asia Pacific |  |  | 266 |  |  |  | 599 |  |  |  | (1,587 | ) |  |  | (257 | )
Europe/Mediterranean |  |  | (1,986 | ) |  |  | (1,750 | ) |  |  | (10,007 | ) |  |  | (203 | )
West Africa |  |  | (5,355 | ) |  |  | (3,984 | ) |  |  | (12,122 | ) |  |  | (8,847 | )
Other operating profit |  |  | 858 |  |  |  | 1,198 |  |  |  | 2,302 |  |  |  | 2,919 |
|  |  | (11,157 | ) |  |  | 568 |  |  |  | (28,005 | ) |  |  | (3,047 | )
Corporate expenses |  |  | (9,070 | ) |  |  | (8,910 | ) |  |  | (16,575 | ) |  |  | (18,952 | )
Long-lived asset impairments |  |  | — |  |  |  | (55,482 | ) |  |  | — |  |  |  | (65,689 | )
Affiliate credit loss impairment (expense) credit |  |  | 1,000 |  |  |  | (53,581 | ) |  |  | 1,000 |  |  |  | (53,581 | )
Affiliate guarantee obligation |  |  | — |  |  |  | (2,000 | ) |  |  | — |  |  |  | (2,000 | )
Gain (loss) on asset dispositions, net |  |  | (932 | ) |  |  | 1,660 |  |  |  | (2,880 | ) |  |  | 6,991 |
Operating loss |  | $ | (20,159 | ) |  | $ | (117,745 | ) |  | $ | (46,460 | ) |  | $ | (136,278 | )
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Americas |  | $ | 7,382 |  |  | $ | 8,073 |  |  | $ | 15,389 |  |  | $ | 15,569 |
Middle East/Asia Pacific |  |  | 6,521 |  |  |  | 5,645 |  |  |  | 13,401 |  |  |  | 11,172 |
Europe/Mediterranean |  |  | 7,225 |  |  |  | 6,793 |  |  |  | 14,709 |  |  |  | 13,612 |
West Africa |  |  | 6,580 |  |  |  | 6,750 |  |  |  | 13,150 |  |  |  | 13,154 |
Corporate |  |  | 841 |  |  |  | 883 |  |  |  | 1,627 |  |  |  | 1,744 |
|  | $ | 28,549 |  |  | $ | 28,144 |  |  | $ | 58,276 |  |  | $ | 55,251 |
Additions to properties and equipment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Middle East/Asia Pacific |  | $ | (50 | ) |  | $ | 503 |  |  |  | (42 | ) |  |  | 1,183 |
Europe/Mediterranean |  |  | 287 |  |  |  | 486 |  |  |  | 593 |  |  |  | 926 |
West Africa |  |  | 59 |  |  |  | (73 | ) |  |  | 554 |  |  |  | 678 |
Corporate |  |  | 369 |  |  |  | 710 |  |  |  | 756 |  |  |  | 1,288 |
|  | $ | 665 |  |  | $ | 1,626 |  |  | $ | 1,861 |  |  | $ | 4,075 |

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The following table provides a comparison of total assets at June 30, 2021 and December 31, 2020:

|  | June 30, |  |  | December 31, |
(In thousands) |  | 2021 |  |  | 2020 |
Total assets: |  |  |  |  |  |  |  |
Americas |  | $ | 312,520 |  |  | $ | 338,649 |
Middle East/Asia Pacific |  |  | 196,231 |  |  |  | 226,422 |
Europe/Mediterranean |  |  | 287,808 |  |  |  | 302,214 |
West Africa |  |  | 237,227 |  |  |  | 242,825 |
Corporate |  |  | 117,947 |  |  |  | 141,067 |
|  | $ | 1,151,733 |  |  | $ | 1,251,177 |

(14) | RESTRUCTURING CHARGES

In the fourth quarter of 2018, we abandoned the duplicate office facilities in four locations in the USA and Scotland with the final lease agreement ending in 2026. Activity for the lease exit and severance liabilities which are included in general and administrative expense for the six months ended June 30, 2021 was as follows:

|  | Lease |  |  |  |  |
(In thousands) |  | Exit Costs |  |  | Total |
Balance at December 31, 2020 |  | $ | 3,335 |  |  | $ | 3,335 |
General and administrative charges |  |  | 113 |  |  |  | 113 |
Cash payments |  |  | (442 | ) |  |  | (442 | )
Balance at June 30, 2021 |  | $ | 3,006 |  |  | $ | 3,006 |

Activity for the lease exit and severance liabilities for the six months ended June 30, 2020 was as follows:

|  | Lease |  |  |  |  |  |  |  |  |
(In thousands) |  | Exit Costs |  |  | Severance |  |  | Total |
Balance at December 31, 2019 |  | $ | 4,109 |  |  | $ | 272 |  |  | $ | 4,381 |
General and administrative charges |  |  | 135 |  |  |  | 250 |  |  |  | 385 |
Cash payments |  |  | (459 | ) |  |  | (416 | ) |  |  | (875 | )
Balance at June 30, 2020 |  | $ | 3,785 |  |  | $ | 106 |  |  | $ | 3,891 |

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(15) | ASSET DISPOSITIONS, ASSETS HELD FOR SALE AND ASSET IMPAIRMENTS

In the fourth quarter of 2019, we evaluated our fleet, primarily vessels that had been stacked for an extended period, for vessels to be considered for disposal and identified 46 vessels to be classified as held for sale. Beginning late in the first quarter of 2020, the industry and world economies were affected by a global pandemic and a concurrent reduction in the demand for and the price of crude oil. The pandemic and oil price impact severely affected the oil and gas industry which caused us to re-evaluate the remainder of our stacked vessel fleet and expand our disposal program to include more vessels. In 2020, we added 32 vessels to our assets held for sale, sold 53 of the vessels that were classified as held for sale, and had 23 vessels, valued at $34.4 million, remaining in the held for sale account as of December 31, 2020. During the first six months of 2021, we sold eight of our vessels held for sale, re-activated one vessel from assets held for sale back into the active fleet and had 14 vessels, valued at $17.2 million, remaining in the held for sale account as of June 30, 2021. In addition, we sold five vessels from our active fleet in the first six months of 2021 and three vessels from our active fleet in the first six months of 2020. One of the active vessel sales was to a third-party operator which has a person in senior management who is an immediate family member of a Director. This vessel was sold for proceeds of $11.4 million, all of which has been collected as of June 30, 2021, and we recognized a gain of $4.3 million on the sale. The total vessel and other sales in the first six months of 2021 contributed approximately $29.4 million in proceeds and we incurred a net $2.9 million loss on the dispositions. The vessel and other sales in the first six months of 2020 contributed $20.9 million in proceeds and we recognized a $7.0 million net gain on the dispositions.

During the first six months of 2020, we recorded $65.7 million in impairment related to revaluation of our assets held for sale. In the first six months of 2021, we did not add any vessels to our held for sale account and we did not record any additional impairment to the value of vessels in the held for sale account. We consider the valuation approach for our assets held for sale to be a Level 3 fair value measurement due to the level of estimation involved in valuing assets to be recycled or sold. We determined the fair value of the vessels held for sale using two methodologies depending on the vessel and on our planned method of disposition. We designated certain vessels to be recycled and valued those vessels using recycling yard pricing schedules based on dollars per ton. We generally value vessels that will be sold rather than recycled at the midpoint of a value range based on sales agreements or using comparative sales in the marketplace. We do not separate our asset impairment expense by segment because of the significant movement of our assets between segments.

The following table presents the activity in our asset held for sale account for the periods indicated:

(In thousands, except for number of vessels data) |  | Number of Vessels |  |  | Three Months Ended June 30, 2021 |  |  | Number of Vessels |  |  | Three Months Ended June 30, 2020 |  |  | Number of Vessels |  |  | Six Months Ended June 30, 2021 |  |  | Number of Vessels |  |  | Six Months Ended June 30, 2020 |
Beginning balance |  |  | 20 |  |  | $ | 31,214 |  |  |  | 38 |  |  | $ | 26,142 |  |  |  | 23 |  |  | $ | 34,396 |  |  |  | 46 |  |  | $ | 39,287 |
Additions |  |  | — |  |  |  | — |  |  |  | 22 |  |  |  | 65,811 |  |  |  | — |  |  |  | — |  |  |  | 22 |  |  |  | 65,811 |
Sales |  |  | (5 | ) |  |  | (11,000 | ) |  |  | (14 | ) |  |  | (7,407 | ) |  |  | (8 | ) |  |  | (14,182 | ) |  |  | (22 | ) |  |  | (10,345 | )
Transfers |  |  | (1 | ) |  |  | (3,000 | ) |  |  | — |  |  |  | — |  |  |  | (1 | ) |  |  | (3,000 | ) |  |  |  |  |  |  | — |
Impairment |  |  | — |  |  |  |  |  |  |  | — |  |  |  | (55,482 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (65,689 | )
Ending balance |  |  | 14 |  |  |  | 17,214 |  |  |  | 46 |  |  | $ | 29,064 |  |  |  | 14 |  |  | $ | 17,214 |  |  |  | 46 |  |  | $ | 29,064 |

In the second quarter of 2020, we revalued 24 vessels to net realizable value recording incremental impairment expense of $5.6 million. At June 30, 2020, we identified an additional 22 vessels to be reclassified as assets held for sale with a value of $49.9 million for which we subsequently recognized an impairment expense of $49.9 million.

In early 2020, it became evident that a novel coronavirus originating in Asia (COVID-19) could become a pandemic with worldwide reach. By mid- March, when the World Health Organization declared the outbreak to be a pandemic (the COVID-19 pandemic), much of the industrialized world had initiated severe measures to lessen its impact. The ongoing COVID-19 pandemic created significant volatility, uncertainty, and economic disruption beginning in the first quarter of 2020. With respect to our particular sector, the COVID-19 pandemic resulted in a much lower demand for oil as national, regional, and local governments imposed travel restrictions, border closings, restrictions on public gatherings, stay at home orders, and limitations on business operations in order to contain its spread. During this same time period, oil-producing countries struggled to reach consensus on worldwide production levels, resulting in both a market oversupply of oil and a precipitous fall in oil prices. Combined, these conditions adversely affected our operations and business beginning in the latter part of the first quarter of 2020 and continuing throughout the remainder of 2020 and through the first six months of 2021. The reduction in demand for hydrocarbons together with an unprecedented decline in the price of oil has resulted in our primary customers, the oil and gas companies, making material reductions to their planned spending on offshore projects, compounding the effect of COVID-19 on offshore operations. Further, these conditions, separately or together, have continued to impact the demand for our services, the utilization and/or rates we can achieve for our assets and services, and the outlook for our industry in general.

In the first and second quarters of 2020, we considered these events to be indicators that the value of our active offshore vessel fleet may be impaired. As a result, as of March 31, 2020 and June 30, 2020, we performed Step 1 evaluations of our active offshore fleet under FASB Accounting Standards Codification 360, which governs the methodology for identifying and recording impairment of long-lived assets to determine if any of our asset groups have net book value in excess of undiscounted future net cash flows. Our evaluations did not indicate impairment of any of our asset groups. Beginning with the third quarter of 2020, conditions related to the COVID-19 pandemic and oil price environment stabilized and in the fourth quarter of 2020 industry conditions marginally improved. Similarly, in the first six months of 2021 we have not seen indications in the industry that would indicate impairment of any of our asset groups. As a result, we did not identify additional events or conditions that would require us to perform a Step 1 evaluation as of June 30, 2021. We will continue to monitor the expected future cash flows and the fair market value of our asset groups for impairment.

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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

FORWARD-LOOKING STATEMENT

In accordance with the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, this Quarterly Report on Form 10-Q and the information incorporated herein by reference contain certain forward-looking statements which reflect our current view with respect to future events and future financial performance. Forward-looking statements are all statements other than statements of historical fact. All such forward-looking statements are subject to risks and uncertainties, many of which are beyond our control, and our future results of operations could differ materially from our historical results or current expectations reflected by such forward-looking statements. Some of these risks and uncertainties include, without limitation, the risks related to fluctuations in worldwide energy demand and oil and natural gas prices, and levels of oil and natural gas prices including the levels to support offshore exploration and development activities; fleet additions by competitors and industry overcapacity; our limited capital resources available to replenish our asset base as needed, including through acquisitions or vessel construction, and to fund our capital expenditure needs; uncertainty of global financial market conditions and potential constraints in accessing capital or credit if and when needed with favorable terms, if at all; changes in decisions and capital spending by customers in the energy industry and the industry expectations for offshore exploration, field development and production; consolidation of our customer base; loss of a major customer; changing customer demands for vessel specifications, which may make some of our older vessels technologically obsolete for certain customer projects or in certain markets; rapid technological changes; delays and other problems associated with vessel maintenance; the continued availability of qualified personnel and our ability to attract and retain them; the operating risks normally incident to our lines of business, including the potential impact of liquidated counterparties; our ability to comply with covenants in our indentures and other debt instruments; acts of terrorism and piracy; the impact of regional or global public health crises or pandemics; the impact of potential information technology, cybersecurity or data security breaches; integration of acquired businesses and entry into new lines of business; disagreements with our joint venture partners; natural disasters or significant weather conditions; unsettled political conditions, war, civil unrest and governmental actions, such as expropriation or enforcement of customs or other laws that are not well developed or consistently enforced; the risks associated with our international operations, including local content, local currency or similar requirements especially in higher political risk countries where we operate; interest rate and foreign currency fluctuations; labor changes proposed by international conventions; increased regulatory burdens and oversight; changes in laws governing the taxation of foreign source income; retention of skilled workers; enforcement of laws related to the environment, labor and foreign corrupt practices; the potential liability for remedial actions or assessments under existing or future environmental regulations or litigation; the effects of asserted and unasserted claims and the extent of available insurance coverage; and the resolution of pending legal proceedings.

Forward-looking statements, which can generally be identified by the use of such terminology as “may,” “can,” “potential,” “expect,” “project,” “target,” “anticipate,” “estimate,” “forecast,” “believe,” “think,” “could,” “continue,” “intend,” “seek,” “plan,” and similar expressions contained in this Quarterly Report on Form 10-Q, are not guarantees or assurances of future performance or events. Any forward-looking statements are based on our assessment of current industry, financial and economic information, which by its nature is dynamic and subject to rapid and possibly abrupt changes, which we may or may not be able to control. Further, we may make changes to our business plans that could or will affect our results. While management believes that these forward-looking statements are reasonable when made, there can be no assurance that future developments that affect us will be those that we anticipate and have identified. The forward-looking statements should be considered in the context of the risk factors listed above, discussed in this Quarterly Report on Form 10-Q, and discussed in our Annual Report on Form 10-K for the year ended December 31, 2020, filed with the SEC on March 4, 2021, as updated by subsequent filings with the SEC. Investors and prospective investors are cautioned not to rely unduly on such forward-looking statements, which speak only as of the date hereof. Management disclaims any obligation to update or revise any forward-looking statements contained herein to reflect new information, future events, or developments.

In certain places in this Quarterly Report on Form 10-Q, we may refer to reports published by third parties that purport to describe trends or developments in energy production and drilling and exploration activity and we specifically disclaim any responsibility for the accuracy and completeness of such information and have undertaken no steps to update or independently verify such information.

The following information contained in this Quarterly Report on Form 10-Q should be read in conjunction with the unaudited condensed consolidated financial statements and notes thereto included in Part 1, Item 1 of this Quarterly Report on Form 10-Q and related disclosures and our Annual Report on Form 10-K for the year ended December 31, 2020, filed with the SEC on March 4, 2021, as amended on April 30, 2021.

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About Tidewater

Our vessels and associated vessel services provide support for all phases of offshore oil and natural gas exploration, field development and production as well as windfarm development and maintenance. These services include towing of, and anchor handling for, mobile offshore drilling units; transporting supplies and personnel necessary to sustain drilling, workover and production activities; offshore construction and seismic and subsea support; geotechnical survey support for windfarm construction, and a variety of other specialized services such as pipe and cable laying. In addition, we have one of the broadest geographic operating footprints in the offshore vessel industry. Our global operating footprint allows us to react quickly to changing local market conditions and to be responsive to the changing requirements of the many customers with which we believe we have strong relationships. We are also one of the most experienced international operators in the offshore energy industry with a history spanning over 65 years.

At June 30, 2021, we owned 159 vessels (excluding three joint venture vessels), 145 of which are available to serve the global energy industry and 14 of which are available for immediate sale. The average age of our 145 active vessels at June 30, 2021 is 10.5 years.

Principal Factors That Drive Our Results

Our revenues, net earnings and cash flows from operations are largely dependent upon the activity level of our offshore marine vessel fleet. As is the case with the numerous other vessel operators in our industry, our business activity is largely dependent on the level of exploration, field development and production activity of our customers. Our customers’ business activity, in turn, is dependent on current and expected crude oil and natural gas prices, which fluctuate depending on expected future levels of supply and demand for crude oil and natural gas, and on estimates of the cost to find, develop and produce crude oil and natural gas reserves.

Our revenues in all segments are driven primarily by our fleet size, vessel utilization and day rates. Because a sizeable portion of our operating and depreciation costs do not change proportionally with changes in revenue, our operating profit is largely dependent on revenue levels.

Operating costs consist primarily of crew costs, repair and maintenance costs, insurance costs, fuel, lube oil and supplies costs and other vessel operating costs. Fleet size, fleet composition, geographic areas of operation, supply and demand for marine personnel, and local labor requirements are the major factors which affect overall crew costs in all segments. In addition, our newer, more technologically sophisticated vessels generally require a greater number of specially trained, more highly compensated fleet personnel than our older, smaller and less sophisticated vessels. Crew costs may increase if competition for skilled personnel intensifies, though a weaker offshore energy market should somewhat mitigate any potential inflation of crew costs.

Costs related to the recertification of vessels are deferred and amortized over 30 months on a straight-line basis. Maintenance costs incurred at the time of the recertification drydocking that are not related to the recertification of the vessel are expensed as incurred. Costs related to vessel improvements that either extend the vessel’s useful life or increase the vessel’s functionality are capitalized and depreciated.

Insurance costs are dependent on a variety of factors, including our safety record and pricing in the insurance markets, and can fluctuate over time. Our vessels are generally insured for up to their estimated fair market value in order to cover damage or loss. We also purchase coverage for potential liabilities stemming from third-party losses with limits that we believe are reasonable for our operations, but do not generally purchase business interruption insurance or similar coverage. Insurance limits are reviewed annually, and third-party coverage is purchased based on the expected scope of ongoing operations and the cost of third-party coverage.

Fuel and lube costs can also fluctuate in any given period depending on the number and distance of vessel mobilizations, the number of active vessels off charter, drydockings, and changes in fuel prices. We also incur vessel operating costs that are aggregated as “other” vessel operating costs. These costs consist of brokers’ commissions, training costs, satellite communication fees, agent fees, port fees and other miscellaneous costs. Brokers’ commissions are incurred primarily in our non-United States operations where brokers sometimes assist in obtaining work. Brokers generally are paid a percentage of day rates and, accordingly, commissions paid to brokers generally fluctuate in accordance with vessel revenue.

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Sonatide

We previously disclosed the significant financial and operational challenges that we confront with respect to operations in Angola, as well as steps that we have taken to address or mitigate those risks. Most of our attention has been focused in three areas: (i) reducing the net receivable balance due from Sonatide, our Angolan joint venture with Sonangol, for vessel services; (ii) reducing the foreign currency risk created by virtue of provisions of Angolan law that require that payment for a portion of the services provided by Sonatide be paid in Angolan kwanza; and (iii) optimizing opportunities, consistent with Angolan law, for services provided by us to be paid for directly in U.S. dollars. The amounts due from Sonatide are denominated in U.S. dollars; however, the underlying third-party customer payments to Sonatide were satisfied, in part, in Angolan kwanzas. We and Sonangol, our partner in Sonatide, have had discussions regarding how the net losses from the devaluation of certain Angolan kwanza denominated accounts should be shared. In late 2019, we were informed that, as part of a broad privatization program, Sonangol intends to seek to divest itself from the Sonatide joint venture.

Refer to Note (7) of Notes to Unaudited Condensed Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for further details on the Sonatide joint venture.

DTDW

We own 40% of DTDW. Our partner, who owns 60%, is a Nigerian national. DTDW owns one offshore service vessel. We also, from time to time, operate company owned vessels in Nigeria for which our partner receives a commission. As of June 30, 2021, we had no company owned vessels operating in Nigeria and the DTDW owned vessel was not employed. As a result, the near-term cash flow projections indicate that DTDW does not have sufficient funds to meet its obligations to us or its vendors. Based on current situations, operations in Nigeria have been severely impacted and we have effectively ceased activity. We have created a fully reserved position in our consolidated balance sheet to account for our expected liabilities related to certain obligations of the joint venture.

Previously, DTDW had long-term debt of $4.7 million which was secured by the vessel owned by DTDW and guarantees from the DTDW partners (in proportion to their ownership interests). On April 22, 2021, we paid approximately $2.0 million, which represented our portion of the joint venture debt guarantee and our partner assumed the remaining joint venture debt which represented his portion of the guarantee.

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Industry Conditions and Outlook

Our business is directly impacted by the level of activity in worldwide offshore oil and natural gas exploration, development and production, which in turn is influenced by trends in oil and natural gas prices. In addition, oil and natural gas prices are affected by a host of geopolitical and economic forces, including the fundamental principles of supply and demand. In particular, the oil price is significantly influenced by actions of the Organization of Petroleum Exporting Countries, or OPEC. In addition, offshore oil and gas exploration and development activities have traditionally required higher oil or natural gas prices to justify the much higher expenditure levels of offshore activities compared to onshore activities. Prices are subject to significant uncertainty and, as a result, are extremely volatile. Beginning in late 2014, oil prices declined significantly from levels of over $100.00 per barrel and continued to decline throughout 2015 and into 2016 causing an industry-wide downturn. Prices began to stabilize in the $50.00 to $60.00 per barrel range in 2019 and early 2020. However, in the first quarter of 2020 the industry was severely impacted by a global pandemic (COVID-19) and the resulting loss of demand and decrease in oil prices. Oil prices have recovered in 2021 to levels greater than experienced since 2018, currently trading over $70.00 per barrel. In spite of the price recovery, there are lingering effects of the COVID-19 pandemic in the activity levels of our customers. Our customers have not significantly increased offshore drilling/completion activities with improved oil prices. In addition, there has been recent social pressure on our customers related to environmental, social and governance (ESG) factors. A possible impact on our business of these factors could be a move away from exploration and development of fossil fuels. Many of our large international customers have already issued statements supporting changes in their future business plans to move toward a lower environmental impact which has effectively delayed the recovery in our business that would be expected with current price levels.

As COVID-19 spread throughout the world, its impact on many of our locations, including our vessels, has affected our operations. We implemented various protocols for both onshore and offshore personnel in efforts to limit this impact. Any spread of COVID-19 to our onshore workforce or key management personnel could prevent us from supporting our offshore operations, reduce productivity as our onshore personnel continue to work remotely, and disrupt our business. Any outbreak on our vessels may result in the vessel, or some or all of a vessel crew, being quarantined and therefore impede the vessel’s ability to generate revenue. We have experienced challenges in connection with our offshore crew changes due to health and travel restrictions related to COVID-19, and those challenges and/or restrictions are expected to continue despite our efforts at mitigating them. To the extent the COVID-19 pandemic adversely affects our operations and business, it may also have the effect of heightening many of the other risks set forth in our SEC filings.

The effect on our business has included lockdowns of shipyards performing drydocks which delays vessels returning to service and the cancellation and/or temporary delay of certain revenue vessel contracts allowed either under the contract provisions or by mutual agreement with our customers. These cancellations and/or temporary delays reduced our year 2020 revenues by 18% and first and second quarter 2021 revenues by approximately 8% and 2% respectively. In addition, in the year ended December 31, 2020 and the six months ended June 30, 2021, we incurred approximately $18.0 million and $3.9 million, respectively, in higher operating costs, primarily related to additional crew costs, mobilization and vessel stacking costs as a result of these unplanned contract cancellations. There may be additional cancellations or delays.

As a company, we have undertaken several measures to allow us to recover as soon as possible:

| • | Planned capital and drydock expenditures tied to contracts referenced above have been temporarily delayed or cancelled.
| • | We have the ability to rapidly respond to contract cancellations and delays, and have removed the crews and shut down operations, depending on contract terms, on vessels associated with cancelled or delayed contracts. We continue to evaluate our general and administrative costs to reflect the current demand for our offshore support vessels.

The full impact of the COVID-19 pandemic on our business and operations will depend on the severity, location, and duration of the effects and spread of the pandemic itself, the actions undertaken by national, regional, and local governments and health officials to contain the virus or treat its effects, and how quickly and to what extent economic conditions improve and normal business and operating conditions resume. As we cannot predict the duration or scope of this pandemic, the anticipated negative financial impact to our operating results cannot be reasonably estimated but could be both material and long lasting.

In the first and second quarters of 2020, we considered these events to be indicators that the value of our active offshore vessel fleet may be impaired. As a result, as of March 31, 2020 and June 30, 2020, we performed Step 1 evaluations of our active offshore fleet under FASB Accounting Standards Codification 360, which governs the methodology for identifying and recording impairment of long-lived assets to determine if any of our asset groups have net book value in excess of undiscounted future net cash flows. Our evaluations did not indicate impairment of any of our asset groups. Beginning with the third quarter of 2020, conditions related to the pandemic and oil price environment stabilized and in the fourth quarter industry conditions marginally improved. Similarly, during the first six months of 2021, we have not seen indications in the industry that would indicate impairment of any of our asset groups. As a result, we did not identify additional events or conditions that would require us to perform a Step 1 evaluation as of June 30, 2021. We will continue to monitor the expected future cash flows and the fair market value of our asset groups for impairment.

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Results of Operations – Three Months Ended June 30, 2021 compared to June 30, 2020

Revenues for the quarters ended June 30, 2021 and 2020 were $90.0 million and $102.3 million, respectively. The $12.3 million decrease in revenue is primarily due to a decrease in capacity, primarily as a result of contract cancellations and reduced demand arising from the effects of COVID-19 and crude oil prices. Overall, we had 20 less average active vessels in the second quarter of 2021 than in the second quarter of 2020. The decreased capacity was partially offset by increased active utilization from 74.5% in 2020 to 78.4% in 2021. Average day rates decreased slightly from $10,799 per day in 2020 to $10,435 in 2021.

Vessel operating costs for the quarters ended June 30, 2021 and 2020 were $64.3 million and $64.8 million, respectively. The decrease is primarily due to a decrease in vessel activity, as we have 20 less active vessels in our fleet in the first quarter of 2021 compared to the first quarter of 2020, largely due to the downturn caused by the pandemic. There was only a slight decrease in spite of the significant decrease in vessels as we experienced higher than normal repair and maintenance costs in the quarter and we have also reactivated vessels as a result of new contracts and in anticipation of additional new contracts as the market recovers.

Depreciation and amortization expense for the quarters ended June 30, 2021 and 2020 were $28.5 million and $28.1 million, respectively, largely due to an increase in amortization expense related to deferred drydock expenditures and increase in depreciation due to change in estimated vessel salvage values.

General and administrative expenses for the quarters ended June 30, 2021 and 2020 were $16.8 million and $17.6 million, respectively. The decrease is primarily due to decreased personnel and benefit costs related to the significant cost cutting measures that have been implemented due to the current downturn.

Included in gain (loss) on asset dispositions, net for the quarter ended June 30, 2021, are $0.9 million of net losses from the disposal of seven vessels and other assets. During the quarter ended June 30, 2020, we recognized gains of $1.7 million related to the disposal of 16 vessels and other assets.

Long-lived asset impairment, affiliate credit loss impairment expense and affiliate guarantee obligation during the quarters ended June 30, 2021 and 2020, were a $1.0 million credit and $111.1 million expense, respectively. In the prior year quarter we recorded $55.5 million of impairment expense related to valuation of our assets held for sale, $53.6 million affiliate credit loss impairment expense relating to the valuation of our net receivables from our joint ventures in Africa and $2.0 million of impairment related to a guarantee of long term debt of one of our African joint ventures. The credit in 2021 is due to a revaluation of the credit losses of the African joint venture.

We recorded a $17.2 million of dividend income from one of our African joint ventures in the three months ended June 30, 2020.

Interest expense for the quarters ended June 30, 2021 and 2020, was $3.9 million and $6.0 million, respectively. Since July 1, 2020, we paid down $132.8 million of our Senior Secured Notes and TROMS debt which reduced our interest expense.

During the quarter ended June 30, 2021, we recognized foreign exchange gains of $0.4 million and during the quarter ended June 30, 2020 we recognized foreign exchange losses of $2.1 million.

The tax expense for the three months ended June 30, 2021 was $6.0 million compared to an income tax expense of $2.7 million for the three months ending June 30, 2020. The increase of $3.3 million resulted from higher foreign tax expenses in the current quarter. The tax expense for the three months ended June 30, 2021 is mainly attributable to foreign taxes that are calculated on the basis of deemed profit or minimum tax regimes or withholding tax on revenue instead of taxable income or loss. Additionally, the inability to offset profits in one country with losses in a different country contributes to having a tax liability despite large consolidated pre-tax losses.

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Results of Operations – Six Months Ended June 30, 2021 compared to June 30, 2020

Revenues for the six months ended June 30, 2021 and 2020 were $173.5 million and $218.7 million, respectively. The $45.2 million decrease in revenue is primarily due to a decrease in capacity, primarily as a result of contract cancellations and reduced demand arising from the effects of COVID-19 and crude oil prices. Overall, we had 28 less average active vessels in the first six months of 2021 than in the first six months of 2020. Active utilization increased slightly from 76.6% in 2020 to 78.0% in 2021. Average day rates decreased slightly from $10,513 per day in 2020 to $10,219 in 2021.

Vessel operating costs for the six months ended June 30, 2021 and 2020 were $125.3 million and $143.6 million, respectively. The decrease is primarily due to a decrease in vessel activity, as we have 28 less active vessels in our fleet in the first six months of 2021 compared to the first six months of 2020 largely due to the downturn caused by the pandemic.

Depreciation and amortization expense for the six months ended June 30, 2021 and 2020 were $58.3 million and $55.3 million, respectively, largely due to an increase in amortization expense related to deferred drydock expenditures and increase in depreciation due to change in estimated vessel salvage values.

General and administrative expenses for the six months ended June 30, 2021 and 2020 were $32.8 million and $39.0 million, respectively. The decrease is primarily due to decreased personnel and benefit costs related to the significant cost cutting measures that have been implemented due to the current downturn.

Included in gain (loss) on asset dispositions, net for the six months ended June 30, 2021, are $2.9 million of net losses from the disposal of 13 vessels and other assets. During the six months ended June 30, 2020, we recognized gains of $7.0 million related to the disposal of 25 vessels and other assets.

Long-lived asset impairment, affiliate credit loss impairment expense and affiliate guarantee obligation during the six months ended June 30, 2021 and 2020, was a $1.0 million credit and $121.3 million expense, respectively. In the prior year period, we recorded $65.7 million of impairment expense related to valuation of our assets held for sale, $53.6 million affiliate credit loss impairment expense relating to the valuation of our net receivables from our joint ventures in Africa and $2.0 million of impairment related to a guarantee of long-term debt of our Nigerian joint venture. The credit in 2021 is due to a revaluation of the credit losses of the Angolan joint venture.

We recorded $17.2 million of dividend income from one of our African joint ventures in the six months ended June 30, 2020.

Interest expense for the six months ended June 30, 2021 and 2020, was $8.5 million and $12.1 million, respectively. Since July 1, 2020, we paid down $132.8 million of our Senior Notes and TROMS debt which reduced our interest expense.

During the six months ended June 30, 2021, we recognized foreign exchange losses of $0.4 million and during the six months ended June 30, 2020 we recognized foreign exchange losses of $1.2 million.

The tax expense for the six months ended June 30, 2021 was $8.0 million compared to an income tax benefit of $2.4 million for the six months ended June 30, 2020. The increase of $10.4 million resulted from the prior year period including the beneficial impact of a change in the tax laws (primarily the Cares Act refund) and higher foreign tax expenses in the current period. The tax expense for the six months ended June 30, 2021 is mainly attributable to foreign taxes that are calculated on the basis of deemed profit or minimum tax regimes or withholding tax on revenue instead of taxable income or loss. Additionally, the inability to offset profits in one country with losses in a different country contributes to having a tax liability despite large consolidated pre-tax losses.

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The following table compares vessel revenues and vessel operating costs by geographic segment for our owned and operated vessel fleet and the related percentage of vessel revenue for the periods indicated:

|  | Three Months Ended |  |  | Three Months Ended |  |  | Six Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
(In thousands) |  |  |  |  |  | % |  |  |  |  |  |  | % |  |  |  |  |  |  | % |  |  |  |  |  |  | % |
Vessel revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Americas |  | $ | 23,481 |  |  |  | 27 | % |  | $ | 34,044 |  |  |  | 34 | % |  | $ | 49,705 |  |  |  | 29 | % |  | $ | 65,903 |  |  |  | 31 | %
Middle East/Asia Pacific |  |  | 25,628 |  |  |  | 29 | % |  |  | 23,983 |  |  |  | 24 | % |  |  | 50,042 |  |  |  | 30 | % |  |  | 48,811 |  |  |  | 23 | %
Europe/Mediterranean |  |  | 22,467 |  |  |  | 25 | % |  |  | 20,620 |  |  |  | 20 | % |  |  | 37,216 |  |  |  | 22 | % |  |  | 50,111 |  |  |  | 24 | %
West Africa |  |  | 16,938 |  |  |  | 19 | % |  |  | 22,328 |  |  |  | 22 | % |  |  | 32,544 |  |  |  | 19 | % |  |  | 48,124 |  |  |  | 23 | %
Total vessel revenues |  | $ | 88,514 |  |  |  | 100 | % |  | $ | 100,975 |  |  |  | 100 | % |  | $ | 169,507 |  |  |  | 100 | % |  | $ | 212,949 |  |  |  | 100 | %
Vessel operating costs: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Americas: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Crew costs |  | $ | 11,132 |  |  |  | 47 | % |  | $ | 13,138 |  |  |  | 39 | % |  | $ | 21,726 |  |  |  | 44 | % |  | $ | 27,324 |  |  |  | 41 | %
Repair and maintenance |  |  | 2,192 |  |  |  | 9 | % |  |  | 1,703 |  |  |  | 5 | % |  |  | 4,906 |  |  |  | 10 | % |  |  | 3,874 |  |  |  | 6 | %
Insurance |  |  | (30 | ) |  |  | (0 | )% |  |  | 427 |  |  |  | 1 | % |  |  | 170 |  |  |  | 0 | % |  |  | 844 |  |  |  | 1 | %
Fuel, lube and supplies |  |  | 1,952 |  |  |  | 8 | % |  |  | 1,373 |  |  |  | 4 | % |  |  | 3,726 |  |  |  | 7 | % |  |  | 3,988 |  |  |  | 6 | %
Other |  |  | 2,972 |  |  |  | 13 | % |  |  | 1,956 |  |  |  | 6 | % |  |  | 4,952 |  |  |  | 10 | % |  |  | 4,629 |  |  |  | 7 | %
|  | $ | 18,218 |  |  |  | 78 | % |  | $ | 18,597 |  |  |  | 55 | % |  | $ | 35,480 |  |  |  | 71 | % |  | $ | 40,659 |  |  |  | 62 | %
Middle East/Asia Pacific: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Crew costs |  | $ | 9,910 |  |  |  | 39 | % |  | $ | 8,726 |  |  |  | 36 | % |  | $ | 19,549 |  |  |  | 39 | % |  | $ | 18,811 |  |  |  | 39 | %
Repair and maintenance |  |  | 2,632 |  |  |  | 10 | % |  |  | 2,196 |  |  |  | 9 | % |  |  | 5,291 |  |  |  | 11 | % |  |  | 4,782 |  |  |  | 10 | %
Insurance |  |  | 37 |  |  |  | 0 | % |  |  | 739 |  |  |  | 3 | % |  |  | (187 | ) |  |  | (0 | )% |  |  | 1,330 |  |  |  | 3 | %
Fuel, lube and supplies |  |  | 1,494 |  |  |  | 6 | % |  |  | 1,405 |  |  |  | 6 | % |  |  | 3,063 |  |  |  | 6 | % |  |  | 4,070 |  |  |  | 8 | %
Other |  |  | 2,692 |  |  |  | 10 | % |  |  | 2,412 |  |  |  | 10 | % |  |  | 5,651 |  |  |  | 11 | % |  |  | 4,108 |  |  |  | 8 | %
|  | $ | 16,765 |  |  |  | 65 | % |  | $ | 15,478 |  |  |  | 65 | % |  | $ | 33,367 |  |  |  | 67 | % |  | $ | 33,101 |  |  |  | 68 | %
Europe/Mediterranean : |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Crew costs |  | $ | 10,519 |  |  |  | 47 | % |  | $ | 9,707 |  |  |  | 47 | % |  | $ | 19,541 |  |  |  | 53 | % |  | $ | 21,403 |  |  |  | 43 | %
Repair and maintenance |  |  | 2,244 |  |  |  | 10 | % |  |  | 1,278 |  |  |  | 6 | % |  |  | 3,917 |  |  |  | 11 | % |  |  | 4,419 |  |  |  | 9 | %
Insurance |  |  | (131 | ) |  |  | (1 | )% |  |  | 420 |  |  |  | 2 | % |  |  | 168 |  |  |  | 0 | % |  |  | 851 |  |  |  | 2 | %
Fuel, lube and supplies |  |  | 864 |  |  |  | 4 | % |  |  | 924 |  |  |  | 4 | % |  |  | 1,623 |  |  |  | 4 | % |  |  | 2,022 |  |  |  | 4 | %
Other |  |  | 1,803 |  |  |  | 8 | % |  |  | 1,547 |  |  |  | 8 | % |  |  | 3,510 |  |  |  | 9 | % |  |  | 4,069 |  |  |  | 8 | %
|  | $ | 15,299 |  |  |  | 68 | % |  | $ | 13,876 |  |  |  | 67 | % |  | $ | 28,759 |  |  |  | 77 | % |  | $ | 32,764 |  |  |  | 65 | %
West Africa: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Crew costs |  | $ | 6,124 |  |  |  | 36 | % |  | $ | 7,120 |  |  |  | 32 | % |  | $ | 12,031 |  |  |  | 37 | % |  | $ | 15,640 |  |  |  | 32 | %
Repair and maintenance |  |  | 2,466 |  |  |  | 15 | % |  |  | 1,479 |  |  |  | 7 | % |  |  | 4,857 |  |  |  | 15 | % |  |  | 4,179 |  |  |  | 9 | %
Insurance |  |  | (13 | ) |  |  | (0 | )% |  |  | 424 |  |  |  | 2 | % |  |  | 335 |  |  |  | 1 | % |  |  | 770 |  |  |  | 2 | %
Fuel, lube and supplies |  |  | 2,231 |  |  |  | 13 | % |  |  | 2,681 |  |  |  | 12 | % |  |  | 3,989 |  |  |  | 12 | % |  |  | 6,055 |  |  |  | 13 | %
Other |  |  | 3,173 |  |  |  | 19 | % |  |  | 5,119 |  |  |  | 23 | % |  |  | 6,465 |  |  |  | 20 | % |  |  | 10,431 |  |  |  | 22 | %
|  | $ | 13,981 |  |  |  | 83 | % |  | $ | 16,823 |  |  |  | 75 | % |  | $ | 27,677 |  |  |  | 85 | % |  | $ | 37,075 |  |  |  | 77 | %
Vessel operating costs: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Crew costs |  | $ | 37,685 |  |  |  | 43 | % |  | $ | 38,691 |  |  |  | 38 | % |  | $ | 72,847 |  |  |  | 43 | % |  | $ | 83,178 |  |  |  | 39 | %
Repair and maintenance |  |  | 9,534 |  |  |  | 11 | % |  |  | 6,656 |  |  |  | 7 | % |  |  | 18,971 |  |  |  | 11 | % |  |  | 17,254 |  |  |  | 8 | %
Insurance |  |  | (137 | ) |  |  | (0 | )% |  |  | 2,010 |  |  |  | 2 | % |  |  | 486 |  |  |  | 1 | % |  |  | 3,795 |  |  |  | 2 | %
Fuel, lube and supplies |  |  | 6,541 |  |  |  | 7 | % |  |  | 6,383 |  |  |  | 6 | % |  |  | 12,401 |  |  |  | 7 | % |  |  | 16,135 |  |  |  | 8 | %
Other |  |  | 10,640 |  |  |  | 12 | % |  |  | 11,034 |  |  |  | 11 | % |  |  | 20,578 |  |  |  | 12 | % |  |  | 23,237 |  |  |  | 11 | %
Total vessel operating costs |  | $ | 64,263 |  |  |  | 73 | % |  | $ | 64,774 |  |  |  | 64 | % |  | $ | 125,283 |  |  |  | 74 | % |  | $ | 143,599 |  |  |  | 67 | %

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The following table presents general and administrative expenses in our four geographic segments both individually and in total and the related general and administrative expenses as a percentage of the vessel revenues of each segment and in total for the three and six months ended June 30, 2021 and 2020:

|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
(In thousands) |  |  |  |  |  | % |  |  |  |  |  |  | % |  |  |  |  |  |  | % |  |  |  |  |  |  | % |
Segment general and administrative expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Americas |  | $ | 2,822 |  |  |  | 12 | % |  | $ | 2,869 |  |  |  | 8 | % |  | $ | 5,427 |  |  |  | 11 | % |  | $ | 6,334 |  |  |  | 10 | %
Middle East/Asia Pacific |  |  | 2,076 |  |  |  | 8 | % |  |  | 2,261 |  |  |  | 9 | % |  |  | 4,861 |  |  |  | 10 | % |  |  | 4,795 |  |  |  | 10 | %
Europe/Mediterranean |  |  | 1,928 |  |  |  | 9 | % |  |  | 1,700 |  |  |  | 8 | % |  |  | 3,755 |  |  |  | 10 | % |  |  | 3,938 |  |  |  | 8 | %
West Africa |  |  | 1,733 |  |  |  | 10 | % |  |  | 2,741 |  |  |  | 12 | % |  |  | 3,840 |  |  |  | 12 | % |  |  | 6,742 |  |  |  | 14 | %
Total segment general and administrative expenses |  | $ | 8,559 |  |  |  | 10 | % |  | $ | 9,571 |  |  |  | 9 | % |  | $ | 17,883 |  |  |  | 11 | % |  | $ | 21,809 |  |  |  | 10 | %

The following table presents segment depreciation and amortization expense by our four geographic segments, the related segment vessel depreciation and amortization expense as a percentage of segment vessel revenues, total segment depreciation and amortization expense and the related total segment depreciation and amortization expense as a percentage of total vessel revenues for the three and six months ended June 30, 2021 and 2020:

|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
(In thousands) |  |  |  |  |  | % |  |  |  |  |  |  | % |  |  |  |  |  |  | % |  |  |  |  |  |  | % |
Segment depreciation and amortization expense: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Americas |  | $ | 7,382 |  |  |  | 31 | % |  | $ | 8,073 |  |  |  | 24 | % |  | $ | 15,389 |  |  |  | 31 | % |  | $ | 15,569 |  |  |  | 24 | %
Middle East/Asia Pacific |  |  | 6,521 |  |  |  | 25 | % |  |  | 5,645 |  |  |  | 24 | % |  |  | 13,401 |  |  |  | 27 | % |  |  | 11,172 |  |  |  | 23 | %
Europe/Mediterranean |  |  | 7,225 |  |  |  | 32 | % |  |  | 6,793 |  |  |  | 33 | % |  |  | 14,709 |  |  |  | 40 | % |  |  | 13,612 |  |  |  | 27 | %
West Africa |  |  | 6,580 |  |  |  | 39 | % |  |  | 6,750 |  |  |  | 30 | % |  |  | 13,150 |  |  |  | 40 | % |  |  | 13,154 |  |  |  | 27 | %
Total segment depreciation and amortization expense |  | $ | 27,708 |  |  |  | 31 | % |  | $ | 27,261 |  |  |  | 27 | % |  | $ | 56,649 |  |  |  | 33 | % |  | $ | 53,507 |  |  |  | 25 | %

The following table compares operating loss and other components of loss and its related percentage of total revenue for the three and six months ended June 30, 2021 and 2020:

|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
(In thousands) |  |  |  |  |  | % |  |  |  |  |  |  | % |  |  |  |  |  |  | % |  |  |  |  |  |  | % |
Vessel operating profit (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Americas |  | $ | (4,940 | ) |  |  | (5 | )% |  | $ | 4,505 |  |  |  | 4 | % |  | $ | (6,591 | ) |  |  | (4 | )% |  | $ | 3,341 |  |  |  | 2 | %
Middle East/Asia Pacific |  |  | 266 |  |  |  | 0 | % |  |  | 599 |  |  |  | 1 | % |  |  | (1,587 | ) |  |  | (1 | )% |  |  | (257 | ) |  |  | 0 | %
Europe/Mediterranean |  |  | (1,986 | ) |  |  | (2 | )% |  |  | (1,750 | ) |  |  | (2 | )% |  |  | (10,007 | ) |  |  | (6 | )% |  |  | (203 | ) |  |  | 0 | %
West Africa |  |  | (5,355 | ) |  |  | (6 | )% |  |  | (3,984 | ) |  |  | (4 | )% |  |  | (12,122 | ) |  |  | (7 | )% |  |  | (8,847 | ) |  |  | (4 | )%
Other operating profit |  |  | 858 |  |  |  | 1 | % |  |  | 1,198 |  |  |  | 1 | % |  |  | 2,302 |  |  |  | 1 | % |  |  | 2,919 |  |  |  | 1 | %
|  |  | (11,157 | ) |  |  | (12 | )% |  |  | 568 |  |  |  | 1 | % |  |  | (28,005 | ) |  |  | (16 | )% |  |  | (3,047 | ) |  |  | (1 | )%
Corporate expenses |  |  | (9,070 | ) |  |  | (10 | )% |  |  | (8,910 | ) |  |  | (9 | )% |  |  | (16,575 | ) |  |  | (10 | )% |  |  | (18,952 | ) |  |  | (9 | )%
Gain (loss) on asset dispositions, net |  |  | (932 | ) |  |  | (1 | )% |  |  | 1,660 |  |  |  | 2 | % |  |  | (2,880 | ) |  |  | (2 | )% |  |  | 6,991 |  |  |  | 3 | %
Affiliate credit loss impairment (expense) credit |  |  | 1,000 |  |  |  | 1 | % |  |  | (53,581 | ) |  |  | (52 | )% |  |  | 1,000 |  |  |  | 1 | % |  |  | (53,581 | ) |  |  | (24 | )%
Affiliate guarantee obligation |  |  | — |  |  |  | 0 | % |  |  | (2,000 | ) |  |  | (2 | )% |  |  | — |  |  |  | 0 | % |  |  | (2,000 | ) |  |  | (1 | )%
Long-lived asset impairments |  |  | — |  |  |  | 0 | % |  |  | (55,482 | ) |  |  | (54 | )% |  |  | — |  |  |  | 0 | % |  |  | (65,689 | ) |  |  | (30 | )%
Operating loss |  | $ | (20,159 | ) |  |  | (22 | )% |  | $ | (117,745 | ) |  |  | (115 | )% |  | $ | (46,460 | ) |  |  | (27 | )% |  | $ | (136,278 | ) |  |  | (62 | )%

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Results for three months ended June 30, 2021 compared to June 30, 2020

Americas Segment Operations. Vessel revenues in the Americas segment decreased 31%, or $10.6 million, during the quarter ended June 30, 2021, as compared to the quarter ended June 30, 2020. This decrease is primarily the result of less demand due to the pandemic. We had eight less average active vessels in the quarter ended June 30, 2021 than the comparable prior year period. Active utilization for the quarter ended June 30, 2021 decreased to 76.4% from 88.6% and average day rates increased by 2%.

Vessel operating loss for the Americas segment for the quarter ended June 30, 2021 was $4.9 million, compared to $4.5 million operating profit for the quarter ended June 30, 2020. The increase in operating loss was due to the decrease in revenue partially offset by lower operating expenses, resulting mainly from the decrease in active vessels and the cost saving measures taken in the first quarter of 2020 in response to the effect of the pandemic and a $0.7 million decrease in depreciation and amortization. The decrease in depreciation and amortization was primarily due to lower amortization of deferred drydock costs. General and administrative expenses remained flat quarter over quarter, reflecting our immediate cost reduction efforts at the beginning of the COVID-19 pandemic.

Middle East/Asia Pacific Segment Operations. Vessel revenues in the Middle East/Asia Pacific segment increased 7%, or $1.6 million, during the quarter ended June 30, 2021, as compared to the quarter ended June 30, 2020. Active utilization for the quarter ended June 30, 2021 increased to 88.6% from 75.9% and average day rates increased 7% but were offset by the effect of six less average active vessels.

The Middle East/Asia Pacific segment reported an operating profit of $0.3 million for the quarter ended June 30, 2021, compared to an operating profit of $0.6 million for the quarter ended June 30, 2020. The revenue increase coupled with a $0.2 million decrease in general and administrative costs were offset by increases in operating expenses of $1.3 million, resulting from increased repair and maintenance cost, higher crew and depreciation and amortization expenses of $0.9 million due to a change in estimated vessel salvage values in the third quarter of 2020 and increased amortization of deferred drydock costs. The current downturn has not significantly impacted this segment’s operations.

Europe/Mediterranean Segment Operations. Vessel revenues in the Europe/Mediterranean segment increased 9%, or $1.8 million, during the quarter ended June 30, 2021, as compared to the quarter ended June 30, 2020. The increased revenue was primarily attributable to one additional active vessel combined with higher average day rates and higher active utilization. Average days rates increased from $12,689 in the second quarter of 2020 to $13,005 in the second quarter of 2021. Active utilization increased in the same periods from 88.6% to 90.6%. The increases were the result of increased activity as the market recovers.

The Europe/Mediterranean segment reported an operating loss of $2.0 million for the quarter ended June 30, 2021, compared to an operating loss of $1.8 million for the quarter ended June 30, 2020 as the increased revenue was offset by $1.4 million in higher operating costs, related to higher repairs and maintenance and higher crew costs, $0.2 million of higher general and administrative costs, and $0.4 million of higher depreciation and amortization expense. These cost increases resulted primarily from increased vessel activity.

West Africa Segment Operations. Vessel revenues in the West Africa segment decreased 24% or $5.4 million, during the quarter ended June 30, 2021, as compared to the quarter ended June 30, 2020. The West Africa active vessel fleet decreased by seven vessels during the comparative periods. West Africa segment active utilization increased from 55.0% during the quarter ended June 30, 2020 to 61.8% during the quarter ended June 30, 2021. However, average day rates decreased 20% due to the change in the mix of remaining contracts. The decreases in revenue are almost entirely the result of lower demand caused by the pandemic.

Vessel operating loss for the West Africa segment increased from $4.0 million for the quarter ended June 30, 2020 to $5.4 million in the quarter ended June 30, 2021 primarily due to decreased revenue partially offset by $2.8 million in lower operating costs and $1.0 million in lower general and administrative costs primarily related to the decrease in active vessels and the cost saving measures taken in 2020.

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Results for six months ended June 30, 2021 compared to June 30, 2020

Americas Segment Operations. Vessel revenues in the Americas segment decreased 25%, or $16.2 million, during the six months ended June 30, 2021, as compared to the six months ended June 30, 2020. This decrease is primarily the result of less demand due to the pandemic. We had eight less average active vessels in the six months ended June 30, 2021 than the comparable prior year period. Active utilization for the quarter ended June 30, 2021 decreased to 82.4% from 87.1%. Average day rates were relatively flat for the comparable periods.

Vessel operating loss for the Americas segment for the six months ended June 30, 2021 was $6.6 million, compared to a $3.3 million operating profit for the six months ended June 30, 2020. The increase in operating loss was due to the decrease in revenue partially offset by a $5.2 million decrease in operating expenses and a $0.9 million decrease in general and administrative expenses, resulting mainly from the decrease in active vessels, and the intensive cost saving measures taken in the first half of 2020 in response to the effect of the COVID-19 pandemic.

Middle East/Asia Pacific Segment Operations. Vessel revenues in the Middle East/Asia Pacific segment increased 3%, or $1.2 million, during the six months ended June 30, 2021, as compared to the six months ended June 30, 2020. Active utilization for the six months ended June 30, 2021 increased to 86.3% from 76.8% and average day rates increased 8% but were offset by the effect of six less average active vessels.

The Middle East/Asia Pacific segment reported an operating loss of $1.6 million for the six months ended June 30, 2021, compared to an operating loss of $0.3 million for the six months ended June 30, 2020 as the revenue increase was offset primarily due to a $2.2 million increase in depreciation and amortization due to a change in estimated vessel salvage values in the third quarter of 2020 and increased amortization of deferred drydock costs. The current downturn has not significantly impacted this segment’s operations.

Europe/Mediterranean Segment Operations. Vessel revenues in the Europe/Mediterranean segment decreased 26%, or $12.9 million, during the six months ended June 30, 2021, as compared to the six months ended June 30, 2020. The decreased revenue was primarily attributable to six less active vessels combined with slightly lower average day rates and slightly lower active utilization. The decreases in revenue are almost entirely the result of lower demand caused by the effect of the pandemic.

The Europe/Mediterranean segment reported an operating loss of $10.0 million for the six months ended June 30, 2021, compared to an operating loss of $0.2 million for the six months ended June 30, 2020 due to decreased revenue and a $1.1 million increase in depreciation and amortization partially offset by $4.0 million in lower operating costs and a $0.2 million decrease in general and administrative costs, resulting primarily from the decrease in active vessels and the intensive cost saving measures taken in 2020 in response to the effect of the pandemic.

West Africa Segment Operations. Vessel revenues in the West Africa segment decreased 32% or $15.6 million, during the six months ended June 30, 2021, as compared to the six months ended June 30, 2020. The West Africa active vessel fleet decreased by eight vessels during the comparative periods. West Africa segment active utilization decreased as well from 61.5% during the six months ended June 30, 2020 to 60.8% during the six months ended June 30, 2021 and average day rates decreased 14% due to the change in the mix of remaining contracts. The decreases in revenue are almost entirely the result of lower demand caused by the pandemic.

Vessel operating loss for the West Africa segment increased from $8.8 million for the six months ended June 30, 2020 to $12.1 million in the six months ended June 30, 2021 primarily due to decreased revenue partially offset by $9.4 million in lower operating costs primarily related to the decrease in active vessels and the cost saving measures taken in 2020. In addition, general and administrative costs decreased by $2.9 million also resulting from intensive cost saving measures taken in the first half of 2020 in response to the effect of the pandemic.

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Vessel Utilization and Average Day Rates by Segment

Vessel utilization is determined primarily by market conditions and to a lesser extent by drydocking requirements. Vessel day rates are determined by the demand created largely through the level of offshore exploration, field development and production spending by energy companies relative to the supply of offshore support vessels. Specifications of available equipment and the scope of service provided may also influence vessel day rates. Vessel utilization rates are calculated by dividing the number of days a vessel works during a reporting period by the number of days the vessel is available to work in the reporting period. As such, stacked vessels depress utilization rates because stacked vessels are considered available to work and are included in the calculation of utilization rates. Average day rates are calculated by dividing the revenue a vessel earns during a reporting period by the number of days the vessel worked in the reporting period.

Total vessel utilization is calculated on all vessels in service (which includes stacked vessels, vessels held for sale and vessels in drydock) but do not include vessels owned by joint ventures (three vessels at both June 30, 2021 and 2020). Active utilization is calculated on active vessels (which excludes vessels held for sale). Average day rates are calculated based on total vessel days worked.

The following tables compare day-based utilization percentages, average day rates and average total, active and stacked vessels by segment for the three and six months ended June 30, 2021 and 2020:

|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
SEGMENT STATISTICS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Americas fleet: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Utilization |  |  | 51.0 | % |  |  | 58.3 | % |  |  | 56.1 | % |  |  | 57.7 | %
Active utilization |  |  | 76.4 | % |  |  | 88.6 | % |  |  | 82.4 | % |  |  | 87.1 | %
Average vessel day rates |  |  | 13,162 |  |  |  | 12,865 |  |  |  | 12,444 |  |  |  | 12,355 |
Average total vessels |  |  | 38 |  |  |  | 50 |  |  |  | 39 |  |  |  | 51 |
Average stacked vessels |  |  | (13 | ) |  |  | (17 | ) |  |  | (13 | ) |  |  | (17 | )
Average active vessels |  |  | 25 |  |  |  | 33 |  |  |  | 26 |  |  |  | 34 |
Middle East/Asia Pacific fleet: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Utilization |  |  | 85.5 | % |  |  | 63.0 | % |  |  | 81.6 | % |  |  | 63.0 | %
Active utilization |  |  | 88.6 | % |  |  | 75.9 | % |  |  | 86.3 | % |  |  | 76.8 | %
Average vessel day rates |  |  | 8,593 |  |  |  | 8,009 |  |  |  | 8,550 |  |  |  | 7,934 |
Average total vessels |  |  | 38 |  |  |  | 52 |  |  |  | 40 |  |  |  | 54 |
Average stacked vessels |  |  | (1 | ) |  |  | (9 | ) |  |  | (2 | ) |  |  | (10 | )
Average active vessels |  |  | 37 |  |  |  | 43 |  |  |  | 38 |  |  |  | 44 |
Europe/Mediterranean fleet: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Utilization |  |  | 64.7 | % |  |  | 48.6 | % |  |  | 54.5 | % |  |  | 56.5 | %
Active utilization |  |  | 90.6 | % |  |  | 88.6 | % |  |  | 86.5 | % |  |  | 87.8 | %
Average vessel day rates |  |  | 13,005 |  |  |  | 12,689 |  |  |  | 12,570 |  |  |  | 12,586 |
Average total vessels |  |  | 29 |  |  |  | 37 |  |  |  | 30 |  |  |  | 39 |
Average stacked vessels |  |  | (8 | ) |  |  | (17 | ) |  |  | (11 | ) |  |  | (14 | )
Average active vessels |  |  | 21 |  |  |  | 20 |  |  |  | 19 |  |  |  | 25 |
West Africa fleet: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Utilization |  |  | 38.1 | % |  |  | 36.5 | % |  |  | 36.1 | % |  |  | 41.2 | %
Active utilization |  |  | 61.8 | % |  |  | 55.0 | % |  |  | 60.8 | % |  |  | 61.5 | %
Average vessel day rates |  |  | 8,521 |  |  |  | 10,711 |  |  |  | 8,611 |  |  |  | 10,049 |
Average total vessels |  |  | 57 |  |  |  | 63 |  |  |  | 58 |  |  |  | 64 |
Average stacked vessels |  |  | (22 | ) |  |  | (21 | ) |  |  | (23 | ) |  |  | (21 | )
Average active vessels |  |  | 35 |  |  |  | 42 |  |  |  | 35 |  |  |  | 43 |
Worldwide fleet: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Utilization |  |  | 57.0 | % |  |  | 50.9 | % |  |  | 55.0 | % |  |  | 53.7 | %
Active utilization |  |  | 78.4 | % |  |  | 74.5 | % |  |  | 78.0 | % |  |  | 76.6 | %
Average vessel day rates |  |  | 10,435 |  |  |  | 10,799 |  |  |  | 10,219 |  |  |  | 10,513 |
Average total vessels |  |  | 162 |  |  |  | 202 |  |  |  | 167 |  |  |  | 208 |
Average stacked vessels |  |  | (44 | ) |  |  | (64 | ) |  |  | (49 | ) |  |  | (62 | )
Average active vessels |  |  | 118 |  |  |  | 138 |  |  |  | 118 |  |  |  | 146 |

Average active vessels exclude stacked vessels. We consider a vessel to be stacked if the vessel crew is furloughed or substantially reduced and limited maintenance is being performed on the vessel. We reduce operating costs by stacking vessels when management does not foresee opportunities to profitably or strategically operate the vessels in the near future. Vessels are stacked when market conditions warrant and they are no longer considered stacked when they are returned to active service, sold, or otherwise disposed. When economically practical marketing opportunities arise, the stacked vessels can be returned to active service by performing any necessary maintenance on the vessel and either rehiring or returning fleet personnel to operate the vessel. Although not currently fulfilling charters, stacked vessels are included in the calculation of utilization statistics. We had 40 and 63 stacked vessels at June 30, 2021 and 2020, respectively. Total stacking costs (operating expenses) for the three months and six months ended June 30, 2021 were $3.8 million and $9.2 million, respectively. Total stacking costs (operating expenses) for the three months and six months ended June 30, 2020 were $4.8 million and $8.7 million, respectively.

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Vessel Dispositions

We seek opportunities to sell and/or responsibly recycle our older vessels when market conditions warrant and opportunities arise. The majority of our vessels are sold to buyers who do not compete with us in the offshore energy industry. Vessels sales during the first six months of 2021 included eight vessels that were classified as assets held for sale and five vessels from our active fleet.

Liquidity, Capital Resources and Other Matters

Availability of Cash

As of June 30, 2021, we had $153.9 million in cash and cash equivalents (including restricted cash), including amounts held by foreign subsidiaries, the majority of which is available to us without adverse tax consequences. Included in foreign subsidiary cash are balances held in U.S. dollars and foreign currencies that await repatriation due to various currency conversion and repatriation constraints, partner and tax related matters, prior to the cash being made available for remittance to our domestic accounts. We currently intend that earnings by foreign subsidiaries will be indefinitely reinvested in foreign jurisdictions in order to fund strategic initiatives (such as investment, expansion and acquisitions), fund working capital requirements and repay debt (both third-party and intercompany) of our foreign subsidiaries in the normal course of business. Moreover, we do not currently intend to repatriate earnings of our foreign subsidiaries to the U. S. because cash generated from our domestic businesses and the repayment of intercompany liabilities from foreign subsidiaries are currently deemed to be sufficient to fund the cash needs of our operations in the U. S.

Our objective in financing our business is to maintain and preserve adequate financial resources and sufficient levels of liquidity. We do not have a revolving credit facility. Cash and cash equivalents and future net cash provided by operating activities provide us, in our opinion, with sufficient liquidity to meet our liquidity requirements.

Debt

As of June 30, 2021, we had $156.0 million of debt, net of discount, on our consolidated balance sheet of which $7.4 million is due within one year. Of this amount, our Senior Secured Notes total $135.2 million, which is due in August 2022. The Secured Notes have a quarterly minimum trailing year interest coverage requirement, however compliance with this covenant has been waived from April 2021 through December 31, 2021. Minimum liquidity requirements and other covenants are set forth in the amended Indenture. In addition, we have $25.1 million of long-term debt in a subsidiary that is collateralized by certain of the subsidiary’s vessels. This debt has similar covenants as the Secured Notes. We currently intend to refinance all or a portion of the Senior Notes in or prior to the fourth quarter of 2021. Although we believe we have several options available, there can be no assurance that we will be able to complete a refinancing of the Senior Secured Notes.

We believe that our $153.9 million in cash on hand, plus cash generated from our operations and asset sales in 2021 will be sufficient to meet our debt obligations in 2021. Refer to Note (9) of Notes to Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for further details on our indebtedness.

We may from time to time seek to retire or purchase our outstanding debt through cash purchases and/or exchanges for equity securities, in open market purchases, privately negotiated transactions, public tenders or otherwise. Such repurchases or exchanges, if any, will depend on prevailing market conditions, our liquidity requirements, contractual restrictions and other factors. The amounts involved may be material.

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Operating Activities

Net cash provided by operating activities for the six months ended June 30, 2021 was $10.6 million and net cash used in operating activities for the six months ended June 30, 2020 was $12.8 million, respectively.

Net cash provided by operations for the six months ended June 30, 2021 reflects a net loss of $65.2 million, which includes non-cash depreciation and amortization of $58.3 million and net losses on asset dispositions of $2.9 million. Combined changes in operating assets and liabilities and in amounts due to/from affiliate provided $17.0 million in cash, and cash paid for deferred drydock and survey costs was $6.8 million.

Net cash used in operations for the six months ended June 30, 2020 reflects a net loss of $129.4 million, which includes non-cash depreciation and amortization of $55.3 million, long-lived asset impairments of $65.7 million, an affiliate credit loss impairment of $53.6 million and approximately $7.0 million of gains on asset sales. Cash paid for deferred drydocking and survey costs was $29.0 million, and combined changes in operating assets and liabilities and in amounts due to/due/from affiliate used $28.3 million in cash.

Investing Activities

Net cash provided by investing activities for the six months ended June 30, 2021 and 2020, was $27.7 million and $16.8 million, respectively. Net cash provided by investing activities for the six months ended June 30, 2021 reflects the receipt of $29.6 million primarily related to the sale of 13 vessels. Additions to properties and equipment were comprised of approximately $1.1 million in capitalized upgrades to existing vessels and equipment and $0.8 million for other property and IT equipment purchases and development work.

Net cash provided by investing activities for the six months ended June 30, 2020 primarily reflects the receipt of $20.9 million related to the sale or recycling of 25 vessels. Additions to properties and equipment were comprised of approximately $2.8 million in capitalized upgrades to existing vessels and equipment and $1.3 million for other property and equipment purchases.

Financing Activities

Net cash used in financing activities for the six months ended June 30, 2021 and 2020 was $39.6 million and $5.4 million, respectively. Net cash used in financing activities for the six months ended June 30, 2021 included $11.8 million of repurchases of the Secured Notes in open market transactions, $26.1 million of scheduled semiannual principal payments and prepayments on Troms offshore debt and $0.9 million of debt modification costs.

Net cash used in financing activities for the six months ended June 30, 2020 included $4.7 million of scheduled semiannual principal payments on Troms offshore debt and $0.6 million of taxes paid to related share-based compensation.

Contractual Obligations and Other Contingent Commitments

We did not have any material changes in our contractual obligations and commercial commitments since the end of fiscal year 2020. Refer to Part II, Item 7 in our Annual Report on Form 10-K for the year ended December 31, 2020, for information regarding our contractual obligations and other contingent commitments.

Application of Critical Accounting Policies and Estimates

Our Annual Report on Form 10-K for the year ended December 31, 2020, filed with the SEC on March 4, 2021, describes the accounting policies that are critical to reporting our financial position and operating results and that require management’s most difficult, subjective or complex judgments. This Quarterly Report on Form 10-Q should be read in conjunction with the discussion contained in our Annual Report on Form 10-K for the year ended December 31, 2020, regarding these critical accounting policies.

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New Accounting Pronouncements

For information regarding the effect of new accounting pronouncements, refer to Note (2) of Notes to Unaudited Condensed Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

There were no material changes in the quarter ended June 30, 2021 to the market risk disclosures contained in Item 7A in our Annual Report on Form 10-K for the year ended December 31, 2020.

ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

Disclosure controls and procedures are designed with the objective of ensuring that all information required to be disclosed in our reports filed under the Securities Exchange Act of 1934, as amended (Exchange Act), such as this Quarterly Report on Form 10-Q, is recorded, processed, summarized and reported, within the time periods specified in the SEC rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by an issuer in the reports that it files or submits under the Exchange Act is accumulated and communicated to the issuer's management, including its principal executive officer and principal financial officer, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure. However, any control system, no matter how well conceived and followed, can provide only reasonable, and not absolute, assurance that the objectives of the control system are met.

We evaluated, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) and 15d-15(e) under the Exchange Act), as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of June 30, 2021.

Changes in Internal Control Over Financial Reporting

There has been no change in our internal control over financial reporting that occurred during the quarter ended June 30, 2021, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

Various legal proceedings and claims are outstanding which arose in the ordinary course of business. In the opinion of management, the amount of ultimate liability, if any, with respect to these actions, will not have a material adverse effect on our financial position, results of operations, or cash flows. Information related to various commitments and contingencies, including legal proceedings, is disclosed in Note (10) of Notes to the Unaudited Condensed Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

ITEM 1A. RISK FACTORS

The significant factors known to us that could materially adversely affect our business, financial condition, or operating results are described in Item 2 of Part I of this Quarterly Report on Form 10-Q and in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2020, filed with the SEC on March 4, 2021, as amended on April 30, 2021.

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ITEM 6. EXHIBITS

Exhibit Number |  | Description
2.1 |  | Joint Prepackaged Chapter 11 Plan of Reorganization of Tidewater Inc. and its Affiliated Debtors dated May 11, 2017 (filed with the Commission as Exhibit A to Exhibit T3E.1 to the company’s application for the qualification of indentures on Form T-3 filed on May 12, 2017, File No. 22-29043).
2.2 |  | Disclosure Statement for Joint Prepackaged Chapter 11 Plan of Reorganization of Tidewater Inc. and its Affiliated Debtors dated May 11, 2017 (filed with the Commission as Exhibit T3E.1 to the company’s application for the qualification of indentures on Form T-3 filed on May 12, 2017, File No. 22-29043).
2.3 |  | Second Amended Joint Prepackaged Chapter 11 Plan of Tidewater Inc. and Its Affiliated Debtors dated July 13, 2017 (filed with the Commission as Exhibit 2.1 to the company’s current report on Form 8-K filed on July 18, 2017, File No. 1-6311).
2.4 |  | Agreement and Plan of Merger by and between Tidewater Inc. and GulfMark Offshore, Inc., dated as of July 15, 2018 (filed with the Commission as Exhibit 2.1 to the company’s current report on Form 8-K filed on July 16, 2018, File No. 1-6311).
3.1 |  | Amended and Restated Certificate of Incorporation of Tidewater Inc. dated July 31, 2017 (filed with the Commission as Exhibit 3.1 to the company’s current report on Form 8-K filed on July 31, 2017, File No. 1-6311).
3.2 |  | Second Amended and Restated By-Laws of Tidewater Inc. dated November 15, 2018 (filed with the Commission as Exhibit 3.2 to the company’s registration statement on Form 8-A filed on November 15, 2018, File No. 1-6311).
3.3 |  | Certificate of Designation of Series A Junior Participating Preferred Stock of Tidewater Inc. (filed with the Commission as Exhibit 3.1 to the company’s current report on Form 8-K filed on April 14, 2020, File No. 1-6311).
4.1 |  | Indenture for 8.00% Senior Secured Notes due 2022 among Tidewater Inc., each of the Guarantors party thereto, and Wilmington Trust, National Association, as Trustee and Collateral Agent dated as of July 31, 2017 (filed with the Commission as Exhibit 4.1 to the company’s current report on Form 8-K filed on July 31, 2017, File No. 1-6311).
4.2 |  | Third Supplemental Indenture, dated November 22, 2019, by and among Tidewater Inc., the guarantors party thereto and Wilmington Trust, National Association, as trustee and collateral agent (filed with the Commission as Exhibit 4.1 to the company’s current report on Form 8-K on November 26, 2019, File No. 1-6311).
4.3 |  | Fourth Supplemental Indenture, dated November 18, 2020, by and among Tidewater Inc., the guarantors party thereto and Wilmington Trust, National Association, as trustee and collateral agent (filed with the Commission as Exhibit 4.1 to the company’s current report on Form 8-K on November 23, 2020, File No. 1-6311).
4.4 |  | Tax Benefits Preservation Plan by and between the Company and Computershare Trust Company, N.A., a federally chartered trust company, as Rights Agent, dated as of April 13, 2020, which includes the Form of Certificate of Designations as Exhibit A, Form of Right Certificate as Exhibit B and the Summary of Rights to Purchase Preferred Shares as Exhibit C. (filed with the Commission as Exhibit 3.1 to the company’s current report on Form 8-K filed on April 14, 2020, File No. 1-6311).
10.1 |  | Restructuring Support Agreement, dated May 11, 2017 (filed with the Commission as Schedule 1 to Exhibit A to Exhibit T3E.1 to the company’s application for the qualification of indentures on Form T-3 filed on May 12, 2017, File No. 22-29043).
10.2 |  | Amendment and Restatement Agreement No. 4 to the Troms Facility Agreement, dated May 11, 2017 (filed with the Commission as Exhibit C to Schedule 1 to Exhibit A to Exhibit T3E.1 to the company’s application for the qualification of indentures on Form T-3 filed on May 12, 2017, File No. 22-29043).
10.3 |  | Creditor Warrant Agreement between Tidewater Inc., as Issuer and Computershare Inc. and Computershare Trust Company, N.A., collectively as Warrant Agent dated July 31, 2017 (filed with the Commission as Exhibit 10.1 to the company’s current report on Form 8-K filed on July 31, 2017, File No. 1-6311).

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Exhibit Number |  | Description
10.4 |  | Existing Equity Warrant Agreement between Tidewater Inc., as Issuer and Computershare Inc. and Computershare Trust Company, N.A., collectively as Warrant Agent dated July 31, 2017 (filed with the Commission as Exhibit 10.2 to the company’s current report on Form 8-K filed on July 31, 2017, File No. 1- 6311).
10.5 |  | Equity Warrant Agreement, dated as of November 14, 2017, between GulfMark Offshore, Inc. and American Stock Transfer & Trust Company, LLC, as warrant agent (filed with the Commission as Exhibit 4.1 to the company’s registration statement on Form 8-A filed on November 15, 2018, File No. 1-6311).
10.6 |  | Assignment, Assumption and Amendment Agreement, dated as of and effective November 15, 2018, by and among GulfMark Offshore, Inc., Tidewater Inc. and American Stock Transfer & Trust Company, LLC, as warrant agent (filed with the Commission as Exhibit 4.2 to the company’s registration statement on Form 8-A filed on November 15, 2018, File No. 1-6311).
10.7 |  | Noteholder Warrant Agreement, dated as of November 14, 2017, between GulfMark Offshore, Inc. and American Stock Transfer & Trust Company, LLC, as warrant agent (filed with the Commission as Exhibit 4.1 to the company's current report on Form 8-K filed on November 16, 2018, File No. 1-6311).
10.8 |  | Assignment, Assumption and Amendment Agreement – Jones Act Warrants, dated as of and effective November 15, 2018, by and among GulfMark Offshore, Inc., Tidewater Inc. and American Stock Transfer & Trust Company, LLC, as warrant agent (filed with the Commission as Exhibit 4.2 to the company’s current report on Form 8-K filed on November 16, 2018, File No. 1-6311).
10.9 |  | Cooperation Agreement, dated May 3, 2021, by and among Tidewater Inc., The Ravenswood Investment Company L.P., Robotti & Company, Incorporated, Robotti & Company Advisors, LLC, Robotti Securities, LLC, Ravenswood Management Company, L.L.C., Ravenswood Investments III, L.P., the Suzanne & Robert Robotti Foundation Inc., Suzanne Robotti and Robert E. Robotti (filed with the Commission as Exhibit 10.1 to the company’s current report on Form 8-K filed on May 3, 2021, File No. 1-6311).
10.10 |  | Amended and Restated 2021 Stock Incentive Plan (filed with the Commission as Exhibit 10.1 to the company’s current report on Form 8-K filed on May 21, 2021, File No. 1-6311).
10.11* |  | Form of Incentive Agreement for the Grant of Restricted Stock Units under the Tidewater Inc. 2021 Stock Incentive Plan (grants to non-employee directors).
10.12* |  | Form of Incentive Agreement for the Grant of Restricted Stock under the Tidewater Inc. 2021 Stock Incentive Plan (grants to non-employee directors).
10.13* |  | Non-employee Directors Deferred Compensation Plan.
31.1* |  | Certification of the Chief Executive Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2* |  | Certification of the Chief Financial Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1** |  | Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2** |  | Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS* |  | Inline XBRL Instance Document - The instance document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document.
101.SCH* |  | Inline XBRL Taxonomy Extension Schema.
101.CAL* |  | Inline XBRL Taxonomy Extension Calculation Linkbase.
101.DEF* |  | Inline XBRL Taxonomy Extension Definition Linkbase.
101.LAB* |  | Inline XBRL Taxonomy Extension Label Linkbase.
101.PRE* |  | Inline XBRL Taxonomy Extension Presentation Linkbase.
104 |  | Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

* | Filed with this quarterly report on Form 10-Q.

** | Furnished with this quarterly report on Form 10-Q.

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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

| TIDEWATER INC.
| (Registrant)
Date: August 9, 2021 | /s/ Samuel R. Rubio
| Samuel R. Rubio
| Executive Vice President, Chief Financial Officer
| (Principal Financial and Accounting Officer and authorized signatory)

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