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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 March 31, 2025

OR

☐ 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: 001-41655

NioCorp Developments Ltd.

(Exact Name of Registrant as Specified in its Charter)

British Columbia, Canada |  | 98-1262185
(State or other jurisdiction of incorporation or organization) |  | (I.R.S. Employer Identification No.)
7000 South Yosemite Street, Suite 115 Centennial, CO (Address of Principal Executive Offices) |  | 80112 (Zip code)
Registrant’s telephone number, including area code: (720) 334-7066

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 Shares, without par value |  | NB |  | The Nasdaq Stock Market LLC
Warrants, each exercisable for 1.11829212 Common Shares |  | NIOBW |  | The Nasdaq Stock Market LLC

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 | ☒ | Smaller Reporting Company | ☒
| Emerging Growth 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 ☒

As of May 8, 2025, the registrant had 55,709,163 Common Shares outstanding.

TABLE OF CONTENTS

|  |  | Page
PART I — FINANCIAL INFORMATION |  |
ITEM 1. | FINANCIAL STATEMENTS |  | 1
ITEM 2. | MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS |  | 20
ITEM 3. | QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK |  | 29
ITEM 4. | CONTROLS AND PROCEDURES |  | 30
PART II — OTHER INFORMATION |  |
ITEM 1. | LEGAL PROCEEDINGS |  | 32
ITEM 1A. | RISK FACTORS |  | 32
ITEM 2. | UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS |  | 32
ITEM 3. | DEFAULTS UPON SENIOR SECURITIES |  | 32
ITEM 4. | MINE SAFETY DISCLOSURES |  | 32
ITEM 5. | OTHER INFORMATION |  | 32
ITEM 6. | EXHIBITS |  | 33
SIGNATURES |  | 34

PART I — FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

Contents

|  | Page
Condensed Consolidated Balance Sheets as of March 31, 2025 and June 30, 2024 (unaudited) |  | 2
Condensed Consolidated Statements of Operations and Comprehensive Loss for the three and nine months ended March 31, 2025 and 2024 (unaudited) |  | 3
Condensed Consolidated Statements of Cash Flows for the nine months ended March 31, 2025 and 2024 (unaudited) |  | 4
Condensed Consolidated Statements of Shareholders’ Equity (Deficit) and Redeemable Noncontrolling Interest for the three and nine months ended March 31, 2025 and 2024 (unaudited) |  | 5
Notes to condensed consolidated financial statements (unaudited) |  | 6 - 19

1

NioCorp Developments Ltd.

Condensed Consolidated Balance Sheets

(expressed in thousands of U.S. dollars, except share data) (unaudited)

|  | As of |
|  | March 31, 2025 |  |  | June 30, 2024 |
ASSETS |  |  |  |  |  |
Current |  |  |  |  |  |
Cash and cash equivalents |  | $ | 1,294 |  |  | $ | 2,012 |
Prepaid expenses and other |  |  | 79 |  |  |  | 916 |
Total current assets |  |  | 1,373 |  |  |  | 2,928 |
Non-current |  |  |  |  |  |  |  |
Deposits |  |  | 35 |  |  |  | 35 |
Investment in equity securities |  |  | 3 |  |  |  | 4 |
Right-of-use assets |  |  | 135 |  |  |  | 181 |
Land and buildings, net |  |  | 839 |  |  |  | 837 |
Mineral properties |  |  | 16,085 |  |  |  | 16,085 |
Total assets |  | $ | 18,470 |  |  | $ | 20,070 |
LIABILITIES |  |  |  |  |  |  |  |
Current |  |  |  |  |  |  |  |
Accounts payable and accrued liabilities |  | $ | 1,024 |  |  | $ | 1,843 |
Warrant liabilities, at fair value |  |  | - |  |  |  | 2,365 |
Convertible debt |  |  | - |  |  |  | 7,660 |
Operating lease liability |  |  | 98 |  |  |  | 96 |
Total current liabilities |  |  | 1,122 |  |  |  | 11,964 |
Non-current |  |  | - |  |  |  | - |  |  |
Warrant liabilities, at fair value |  |  | 4,200 |  |  |  | 1,651 |
Earnout liability, at fair value |  |  | 4,327 |  |  |  | 3,817 |
Operating lease liability |  |  | 52 |  |  |  | 104 |
Total liabilities |  |  | 9,701 |  |  |  | 17,536 |
Commitments and contingencies |  |  | - |  |  |  | - |
Redeemable noncontrolling interest |  |  | 1,238 |  |  |  | 1,534 |
SHAREHOLDERS’ EQUITY |  |  |  |  |  |  |  |
Common stock, no par value, unlimited shares authorized; 47,188,119 and 38,062,647 shares outstanding, respectively |  |  | 178,172 |  |  |  | 163,823 |
Accumulated deficit |  |  | (169,730 | ) |  |  | (161,912 | )
Accumulated other comprehensive loss |  |  | (911 | ) |  |  | (911 | )
Total shareholders’ equity |  |  | 7,531 |  |  |  | 1,000 |
Total liabilities, redeemable noncontrolling interest, and shareholders’ equity |  | $ | 18,470 |  |  | $ | 20,070 |

The accompanying notes are an integral part of these condensed consolidated financial statements.

2

NioCorp Developments Ltd.

Condensed Consolidated Statements of Operations and Comprehensive Loss

(expressed in thousands of U.S. dollars, except share and per share data) (unaudited)

|  | For the three months ended March 31, |  |  | For the nine months ended March 31, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Operating expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee related costs |  | $ | 376 |  |  | $ | 2,531 |  |  | $ | 1,610 |  |  | $ | 3,181 |
Professional fees |  |  | 636 |  |  |  | 633 |  |  |  | 1,858 |  |  |  | 2,772 |
Exploration expenditures |  |  | 495 |  |  |  | 489 |  |  |  | 894 |  |  |  | 2,417 |
Other operating expenses |  |  | 1,092 |  |  |  | 1,457 |  |  |  | 2,533 |  |  |  | 3,100 |
Total operating expenses |  |  | 2,599 |  |  |  | 5,110 |  |  |  | 6,895 |  |  |  | 11,470 |
Change in fair value of earnout shares liability |  |  | 1,263 |  |  |  | (955 | ) |  |  | 510 |  |  |  | (3,854 | )
Change in fair value of warrant liabilities |  |  | 1,513 |  |  |  | (724 | ) |  |  | 620 |  |  |  | (580 | )
Change in fair value of convertible notes |  |  | - |  |  |  | - |  |  |  | 40 |  |  |  | - |
Interest expense |  |  | - |  |  |  | 1,016 |  |  |  | 48 |  |  |  | 4,267 |
Foreign exchange (gain) loss |  |  | (2 | ) |  |  | (27 | ) |  |  | 2 |  |  |  | (10 | )
Other gains |  |  | - |  |  |  | (195 | ) |  |  | (122 | ) |  |  | (195 | )
Loss on equity securities |  |  | 2 |  |  |  | - |  |  |  | 2 |  |  |  | 2 |
Loss before income taxes |  |  | (5,375 | ) |  |  | (4,225 | ) |  |  | (7,995 | ) |  |  | (11,100 | )
Income tax benefit |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (101 | )
Net loss and comprehensive loss |  |  | (5,375 | ) |  |  | (4,225 | ) |  |  | (7,995 | ) |  |  | (10,999 | )
Less: Net loss attributable to redeemable noncontrolling interest |  |  | (78 | ) |  |  | (169 | ) |  |  | (177 | ) |  |  | (439 | )
Net loss and comprehensive loss attributable to the Company |  | $ | (5,297 | ) |  | $ | (4,056 | ) |  | $ | (7,818 | ) |  | $ | (10,560 | )
Loss per common share, basic and diluted |  | $ | (0.11 | ) |  | $ | (0.11 | ) |  | $ | (0.17 | ) |  | $ | (0.29 | )
Weighted average common shares outstanding, basic and diluted |  |  | 45,893,738 |  |  |  | 35,160,333 |  |  |  | 41,777,986 |  |  |  | 33,421,185 |

The accompanying notes are an integral part of these condensed consolidated financial statements.

3

NioCorp Developments Ltd.

Condensed Consolidated Statements of Cash Flows

(expressed in thousands of U.S. dollars) (unaudited)

|  | For the nine months ended March 31, |
|  | 2025 |  |  | 2024 |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |  |  |
Net loss for the period |  | $ | (7,995 | ) |  | $ | (10,999 | )
Adjustments for: |  |  |  |  |  |  |  |
Change in valuation of earnout shares liability |  |  | 510 |  |  |  | (3,854 | )
Change in valuation of warrant liabilities |  |  | 620 |  |  |  | (580 | )
Other gain |  |  | (122 | ) |  |  | (195 | )
Share based compensation |  |  | 788 |  |  |  | 2,779 |
Fair value of private placement warrants |  |  | 144 |  |  |  | 102 |
Accretion of convertible debt |  |  | 43 |  |  |  | 4,267 |
Change in fair value of convertible note |  |  | 40 |  |  |  | - |
Yorkville share issuances |  |  | 80 |  |  |  | 78 |
Depreciation |  |  | 3 |  |  |  | 2 |
Unrealized loss on equity securities |  |  | 2 |  |  |  | 2 |
Non-cash lease activity |  |  | (4 | ) |  |  | 21 |
|  |  | (5,891 | ) |  |  | (8,377 | )
Change in working capital items: |  |  |  |  |  |  |  |
Prepaid expenses |  |  | 836 |  |  |  | 1,124 |
Accounts payable and accrued liabilities |  |  | (820 | ) |  |  | 1,637 |
Net cash used in operating activities |  |  | (5,875 | ) |  |  | (5,616 | )
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |  |  |
Acquisition of land and buildings |  |  | (5 | ) |  |  | - |
Net cash used in investing activities |  |  | (5 | ) |  |  | - |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |  |  |
Proceeds from issuance of capital stock |  |  | 14,516 |  |  |  | 3,663 |
Related party debt draws |  |  | 504 |  |  |  | - |
Related party debt repayments |  |  | (504 | ) |  |  | - |
Convertible debt repayments |  |  | (7,223 | ) |  |  | - |
Share issue costs |  |  | (2,131 | ) |  |  | (194 | )
Net cash provided by financing activities |  |  | 5,162 |  |  |  | 3,469 |
Change in cash and cash equivalents during period |  |  | (718 | ) |  |  | (2,147 | )
Cash and cash equivalents, beginning of period |  |  | 2,012 |  |  |  | 2,341 |
Cash and cash equivalents, end of period |  | $ | 1,294 |  |  | $ | 194 |
Supplemental cash flow information: |  |  |  |  |  |  |  |
Conversion of debt for common shares |  | $ | 501 |  |  | $ | 13,121 |
Value of warrants issued |  |  | 2,262 |  |  |  | - |
Interest paid |  |  | 4 |  |  |  | - |

The accompanying notes are an integral part of these condensed consolidated financial statements.

4

NioCorp Developments Ltd.

Condensed Consolidated Statements of Shareholders’ Equity (Deficit) and Redeemable Noncontrolling Interest

(expressed in thousands of U.S. dollars, except for share data) (unaudited)

|  | Common Shares Outstanding |  |  | Common Stock |  |  | Accumulated Deficit |  |  | Accumulated Other Comprehensive Loss |  |  | Total |  |  | Redeemable Noncontrolling Interest |
Balance, December 31, 2023 |  |  | 34,091,844 |  |  | $ | 151,810 |  |  | $ | (156,981 | ) |  | $ | (911 | ) |  | $ | (6,082 | ) |  | $ | 1,830 |
Yorkville equity facility draws |  |  | 242,500 |  |  |  | 622 |  |  |  | - |  |  |  | - |  |  |  | 622 |  |  |  | - |
Debt conversions |  |  | 1,674,954 |  |  |  | 4,815 |  |  |  | - |  |  |  | - |  |  |  | 4,815 |  |  |  | - |
Share issuance costs |  |  | - |  |  |  | (55 | ) |  |  | - |  |  |  | - |  |  |  | (55 | ) |  |  | - |
Option liability valuations |  |  | - |  |  |  | (206 | ) |  |  | - |  |  |  | - |  |  |  | (206 | ) |  |  | - |
Exchange of Class B shares |  |  | 243,692 |  |  |  | 89 |  |  |  | - |  |  |  | - |  |  |  | 89 |  |  |  | (89 | )
Share based compensation |  |  | - |  |  |  | 2,779 |  |  |  | - |  |  |  | - |  |  |  | 2,779 |  |  |  | - |
Loss for the period |  |  | - |  |  |  | - |  |  |  | (4,056 | ) |  |  | - |  |  |  | (4,056 | ) |  |  | (169 | )
Balance, March 31, 2024 |  |  | 36,252,990 |  |  | $ | 159,854 |  |  | $ | (161,037 | ) |  | $ | (911 | ) |  | $ | (2,094 | ) |  | $ | 1,572 |
Balance, December 31, 2024 |  |  | 43,671,287 |  |  | $ | 172,235 |  |  | $ | (164,433 | ) |  | $ | (911 | ) |  | $ | 6,891 |  |  | $ | 1,316 |
Equity placement |  |  | 2,577,320 |  |  |  | 5,000 |  |  |  | - |  |  |  | - |  |  |  | 5,000 |  |  |  | - |
Warrant exercises |  |  | 230,000 |  |  |  | 403 |  |  |  | - |  |  |  | - |  |  |  | 403 |  |  |  | - |
Option exercises |  |  | 512 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Yorkville equity facility draws |  |  | 709,000 |  |  |  | 1,328 |  |  |  | - |  |  |  | - |  |  |  | 1,328 |  |  |  | - |
Share-based compensation |  |  | - |  |  |  | 6 |  |  |  | - |  |  |  | - |  |  |  | 6 |  |  |  | - |
Share issuance costs |  |  | - |  |  |  | (800 | ) |  |  | - |  |  |  | - |  |  |  | (800 | ) |  |  | - |
Loss for the period |  |  | - |  |  |  | - |  |  |  | (5,297 | ) |  |  | - |  |  |  | (5,297 | ) |  |  | (78 | )
Balance, March 31, 2025 |  |  | 47,188,119 |  |  | $ | 178,172 |  |  | $ | (169,730 | ) |  | $ | (911 | ) |  | $ | 7,531 |  |  | $ | 1,238 |

|  | Common Shares Outstanding |  |  | Common Stock |  |  | Accumulated Deficit |  |  | Accumulated Other Comprehensive Loss |  |  | Total |  |  | Redeemable Noncontrolling Interest |
Balance, June 30, 2023 |  |  | 31,202,131 |  |  | $ | 140,421 |  |  | $ | (150,477 | ) |  | $ | (911 | ) |  | $ | (10,967 | ) |  | $ | 2,100 |
Equity placements |  |  | 663,432 |  |  |  | 2,393 |  |  |  | - |  |  |  | - |  |  |  | 2,393 |  |  |  | - |
Exercise of options |  |  | 7,800 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Yorkville equity facility draws |  |  | 462,500 |  |  |  | 1,451 |  |  |  | - |  |  |  | - |  |  |  | 1,451 |  |  |  | - |
Debt conversions |  |  | 3,673,435 |  |  |  | 13,121 |  |  |  | - |  |  |  | - |  |  |  | 13,121 |  |  |  | - |
Share issuance costs |  |  | - |  |  |  | (194 | ) |  |  | - |  |  |  | - |  |  |  | (194 | ) |  |  | - |
Option liability valuations |  |  | - |  |  |  | (206 | ) |  |  | - |  |  |  | - |  |  |  | (206 | ) |  |  | - |
Exchange of Class B shares |  |  | 243,692 |  |  |  | 89 |  |  |  | - |  |  |  | - |  |  |  | 89 |  |  |  | (89 | )
Share based compensation |  |  | - |  |  |  | 2,779 |  |  |  | - |  |  |  | - |  |  |  | 2,779 |  |  |  | - |
Loss for the period |  |  | - |  |  |  | - |  |  |  | (10,560 | ) |  |  | - |  |  |  | (10,560 | ) |  |  | (439 | )
Balance, March 31, 2024 |  |  | 36,252,990 |  |  | $ | 159,854 |  |  | $ | (161,037 | ) |  | $ | (911 | ) |  | $ | (2,094 | ) |  | $ | 1,572 |
Balance, June 30, 2024 |  |  | 38,062,647 |  |  | $ | 163,823 |  |  | $ | (161,912 | ) |  | $ | (911 | ) |  | $ | 1,000 |  |  | $ | 1,534 |
Equity placements |  |  | 6,369,278 |  |  |  | 9,218 |  |  |  | - |  |  |  | - |  |  |  | 9,218 |  |  |  | - |
Warrant exercises |  |  | 230,000 |  |  |  | 403 |  |  |  | - |  |  |  | - |  |  |  | 403 |  |  |  | - |
Option exercises |  |  | 512 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Yorkville equity facility draws |  |  | 1,919,250 |  |  |  | 3,191 |  |  |  | - |  |  |  | - |  |  |  | 3,191 |  |  |  | - |
Redemptions of vested shares |  |  | 348,085 |  |  |  | 119 |  |  |  | - |  |  |  | - |  |  |  | 119 |  |  |  | (119 | )
Debt conversions |  |  | 258,347 |  |  |  | 501 |  |  |  | - |  |  |  | - |  |  |  | 501 |  |  |  | - |
Issuance of warrants |  |  | - |  |  |  | 2,262 |  |  |  | - |  |  |  | - |  |  |  | 2,262 |  |  |  | - |
Share-based compensation |  |  | - |  |  |  | 788 |  |  |  | - |  |  |  | - |  |  |  | 788 |  |  |  | - |
Share issuance costs |  |  | - |  |  |  | (2,133 | ) |  |  | - |  |  |  | - |  |  |  | (2,133 | ) |  |  | - |
Loss for the period |  |  | - |  |  |  | - |  |  |  | (7,818 | ) |  |  | - |  |  |  | (7,818 | ) |  |  | (177 | )
Balance, March 31, 2025 |  |  | 47,188,119 |  |  | $ | 178,172 |  |  | $ | (169,730 | ) |  | $ | (911 | ) |  | $ | 7,531 |  |  | $ | 1,238 |

The accompanying notes are an integral part of these condensed consolidated financial statements.

5

NioCorp Developments Ltd.
Notes to the Condensed Consolidated Financial Statements
March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

1. | DESCRIPTION OF BUSINESS

NioCorp Developments Ltd. (“we,” “us,” “our,” “NioCorp” or the “Company”) was incorporated on February 27, 1987, under the laws of the Province of British Columbia and currently operates in one reportable operating segment consisting of exploration and development of mineral deposits in North America, specifically, the Company’s niobium, scandium, and titanium project (the “Elk Creek Project”) located in southeastern Nebraska.

The Company currently earns no operating revenues and will require additional capital in order to advance the Elk Creek Project to construction and commercial operation. As further discussed in Note 3, these matters raised substantial doubt about the Company’s ability to continue as a going concern, and the Company is dependent upon the generation of profits from mineral properties, obtaining additional financing and maintaining continued support from its shareholders and creditors.

These interim condensed consolidated financial statements have been prepared on a going concern basis that contemplates the realization of assets and discharge of liabilities at their carrying values in the normal course of business for the foreseeable future. These financial statements do not reflect any adjustments that may be necessary if the Company is unable to continue as a going concern.

2. | BASIS OF PRESENTATION

| a) | Basis of Presentation and Consolidation

The accompanying interim condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles of the United States of America (“U.S. GAAP”) and the rules and regulations of the Securities and Exchange Commission (“SEC”). The interim condensed consolidated financial statements include the consolidated accounts of the Company and its wholly owned subsidiaries with all significant intercompany transactions eliminated. The accounting policies followed in preparing these interim condensed consolidated financial statements are those used by the Company as set out in the audited consolidated financial statements for the year ended June 30, 2024. Certain transactions include reference to Canadian dollars (“C$”) where applicable.

In the opinion of management, all adjustments considered necessary (including normal recurring adjustments) for a fair statement of the financial position, results of operations, and cash flows as of March 31, 2025, and for all periods presented, have been included in these interim condensed consolidated financial statements. Certain information and footnote disclosures normally included in the consolidated financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to appropriate SEC rules and regulations. These interim condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements for the year ended June 30, 2024. The interim results are not necessarily indicative of results for the full year ending June 30, 2025, or future operating periods.

| b) | Recent Accounting Standards

Issued and Not Effective

In November 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. The amendments in this ASU expand public entities’ segment disclosures by requiring disclosure of significant segment expenses that are regularly provided to the Chief Operating Decision Maker and included within each reported measure of segment profit or loss, an amount and description of its composition for other segment items, and interim disclosures of a reportable segment’s profit or loss and assets. The ASU will be effective for our annual report for the period ending June 30, 2025, and for interim period reports beginning thereafter. We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and disclosures.

6

NioCorp Developments Ltd.
Notes to the Condensed Consolidated Financial Statements
March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which enhances the transparency and decision usefulness of income tax disclosures primarily through changes to the rate reconciliation and income taxes paid information. ASU 2023-09 is effective for our annual report for the period ending June 30, 2027, and for interim period reports beginning thereafter. Early adoption is permitted and the amendments should be applied prospectively; however, retrospective application is permitted. We are currently evaluating the impact of this ASU on our consolidated financial statements and related disclosures.

In November 2024, the FASB issued ASU 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. ASU 2024-03 requires the disclosure of additional information related to certain costs and expenses, including amounts of inventory purchases, employee compensation, and depreciation and amortization included in each income statement line item. This ASU also requires disclosure of the total amount of selling expenses and our definition of selling expenses. This ASU is effective for our annual report for the period ending June 30, 2028, and for interim period reports beginning thereafter on a prospective or retrospective basis. Early adoption is permitted. We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and disclosures.

From time to time, new accounting pronouncements are issued by the FASB that are adopted by the Company as of the specified effective date. Unless otherwise discussed, management believes that the impact of recently issued standards did not or will not have a material impact on the Company’s consolidated financial statements upon adoption.

| c) | Use of Estimates

The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of expenses during the reporting period. The Company regularly evaluates estimates and assumptions related to the carrying value of long-term assets, deferred income tax assets and related valuations, liabilities related to the April 2024 Notes, Earnout Shares, Private Warrants, and November Private Warrants (each, as defined below), and share-based compensation. The Company bases its estimates and assumptions on current facts, historical experience, and various other factors that it believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the other sources. The actual results experienced by the Company may differ materially and adversely from the Company’s estimates. To the extent there are material differences between estimates and the actual results, future results of operations will be affected.

The Company acquired a federal income tax payable of $443 in connection with the GXII Transaction (as defined below). As a result of post-transaction losses at Elk Creek Resources Corp. (“ECRC”), a partial release of the valuation allowance attributed to the reduction of the acquired federal income tax payable of $101 was recorded as an income tax benefit in the condensed consolidated statement of operations and comprehensive loss for the nine months ended March 31, 2024. The Company maintains a full valuation allowance against future income tax assets as it is more likely than not that all of the assets will not be realized.

| d) | Basic and Diluted Earnings per Share

The Company utilizes the weighted average method to determine the impact of changes in a participating security on the calculation of loss per share. The following table sets forth the computation of the Company’s basic and diluted net loss per share attributable to common shareholders:

7

NioCorp Developments Ltd.
Notes to the Condensed Consolidated Financial Statements
March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

|  | For the Three Months Ended March 31, |  |  | For the Nine Months Ended March 31, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Net loss |  | $ | (5,375 | ) |  | $ | (4,225 | ) |  | $ | (7,995 | ) |  | $ | (10,999 | )
Adjust: Net loss attributable to noncontrolling interest |  |  | (78 | ) |  |  | (167 | ) |  |  | (177 | ) |  |  | (520 | )
Net loss available to participating securities |  |  | (5,297 | ) |  |  | (4,058 | ) |  |  | (7,818 | ) |  |  | (10,479 | )
Net loss attributable to vested shares of ECRC Class B common stock |  |  | (41 | ) |  |  | (184 | ) |  |  | (591 | ) |  |  | (825 | )
Net loss attributed to common shareholders - basic and diluted |  | $ | (5,256 | ) |  | $ | (3,874 | ) |  | $ | (7,227 | ) |  | $ | (9,654 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding – basic and diluted |  |  | 45,893,738 |  |  |  | 35,160,333 |  |  |  | 41,777,986 |  |  |  | 33,421,185 |
Loss per Common Share outstanding – basic and diluted |  | $ | (0.11 | ) |  | $ | (0.11 | ) |  | $ | (0.17 | ) |  | $ | (0.29 | )

The following common shares, no par value, of the Company (“Common Shares”) underlying options to purchase Common Shares (“Options”), Common Share purchase warrants (“Warrants”), and outstanding convertible debt were antidilutive due to a net loss in the periods presented and, therefore, were excluded from the dilutive securities computation for the three-month periods indicated below.

Schedule of excluded from the dilutive securities

|  | For the Three and Nine Months Ended March 31, |
Excluded potentially dilutive securities (1)(2): |  | 2025 |  |  | 2024 |
Options |  |  | 3,073,000 |  |  |  | 2,563,000 |
Warrants (3) |  |  | 29,520,695 |  |  |  | 18,585,105 |
Convertible debt |  |  | - |  |  |  | 714,900 |
Total potential dilutive securities |  |  | 32,593,695 |  |  |  | 21,863,005 |

| (1) | The number of shares is based on the maximum number of shares issuable on exercise or conversion of the related securities as of the period end. Such amounts have not been adjusted for the treasury stock method or weighted average outstanding calculations as required if the securities were dilutive.
| (2) | Earnout Shares are excluded as the vesting terms were not met as of the end of the reporting period.
| (3) | Includes 15,666,626 NioCorp Assumed Warrants that are each exercisable into 1.11829212 Common Shares. The remaining Warrants are each exercisable into one Common Share.

3. | GOING CONCERN

The Company incurred a loss of $7,818 for the nine months ended March 31, 2025 (nine months ended March 31, 2024 - $10,560) and had an accumulated deficit of $169,730 as of March 31, 2025. As a development stage issuer, the Company has not yet commenced its mining operations and accordingly does not generate any revenue. As of March 31, 2025, the Company had cash of $1,294, which will not be sufficient to fund normal operations for the next twelve months from the date these interim condensed consolidated financial statements are issued. These conditions and events raise substantial doubt about the Company’s ability to continue as a going concern.

In response to these conditions and events, the Company plans to obtain additional financing and while it has been successful in doing so in the past, there can be no assurance it will be able to do so in the future. The Company’s plans to obtain additional financing have not been finalized, are subject to market conditions, and are not within

8

NioCorp Developments Ltd.
Notes to the Condensed Consolidated Financial Statements
March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

the Company’s control and therefore cannot be deemed probable. Further, the Company will be required to raise additional funds for the construction and commencement of operations. As a result, the Company has concluded that management’s plans do not alleviate substantial doubt about the Company’s ability to continue as a going concern.

These interim condensed consolidated financial statements do not include any adjustments related to the recoverability and classification of recorded asset amounts or the amounts and classification of liabilities that might result from the outcome of this uncertainty.

4. | MINERAL PROPERTIES

During the nine months ended March 31, 2025, the Company completed negotiations with landowners in Nebraska and entered into contract amendments which extended the option periods by approximately five years for each option to purchase agreement (“OTP”) covering six parcels of land for project construction and operation which the Company does not already own. The Company paid $196 upon closing of the OTP extensions and will make periodic payments totaling $206 over the extension period.

5. | ACCOUNTS PAYABLE AND ACCRUED LIABILITIES

Schedule of account payable and accrued liabilities:

|  | As of |
|  | March 31, 2025 |  |  | June 30, 2024 |
Accounts payable, trade |  | $ | 716 |  |  | $ | 1,417 |
Trade payable accruals |  |  | 260 |  |  |  | 350 |
Environmental accruals |  |  | 48 |  |  |  | 48 |
Loan origination fees payable to related party |  |  | - |  |  |  | 28 |
Total accounts payable and accrued liabilities |  | $ | 1,024 |  |  | $ | 1,843 |

6. | DEBT

| a) | Yorkville Convertible Debenture

On July 19, 2024, the Company and Yorkville entered into a make-whole payment agreement under which Yorkville agreed to convert the remaining outstanding principal and accrued interest of $554 under the unsecured convertible debentures (the “Convertible Debentures”) issued to Yorkville pursuant to the Securities Purchase Agreement, dated January 26, 2023 (the “Yorkville Convertible Debt Financing Agreement”), into Common Shares in exchange for a $95 make-whole payment. The Company recorded a gain on extinguishment of $19 as part other gains in the condensed consolidated statements of operations and comprehensive loss.

The change in the Convertible Debentures is presented below:

|  | For the Nine Months Ended March 31, 2025 |
Balance as of June 30, 2024 |  | $ | 571 |
Accretion expense |  |  | 43 |
Principal and interest converted |  |  | (614 | )
Balance as of March 31, 2025 |  | $ | - |

9

NioCorp Developments Ltd.
Notes to the Condensed Consolidated Financial Statements
March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

The following table discloses the components of interest expense associated with the Convertible Debentures.

|  | For the Three Months Ended March 31, |  |  | For the Nine Months Ended March 31, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Contractual interest |  | $ | - |  |  | $ | 45 |  |  | $ | 1 |  |  | $ | 266 |
Amortization of discount and issuance costs |  |  | - |  |  |  | 971 |  |  |  | 42 |  |  |  | 4,001 |
Total |  | $ | - |  |  | $ | 1,016 |  |  | $ | 43 |  |  | $ | 4,267 |

| b) | April 2024 Notes

On April 12, 2024, the Company issued and sold to Yorkville and Lind Global Fund II LP (“Lind II”, and together with Yorkville, the “April 2024 Purchasers”) $8.0 million aggregate principal amount of unsecured notes (the “April 2024 Notes”), pursuant to a securities purchase agreement, dated April 11, 2024 (the “April 2024 Purchase Agreement”), between the Company and each of the April 2024 Purchasers. The Company also issued to the April 2024 Purchasers, in proportion to the aggregate principal amount of April 2024 Notes issued to each April 2024 Purchaser, Warrants (the “April 2024 Warrants”) to purchase up to 615,385 Common Shares, which are equal to 25% of the aggregate principal amount of April 2024 Notes issued to the April 2024 Purchasers divided by the exercise price of $3.25, subject to any adjustment to give effect to any stock dividend, stock split or recapitalization.

The changes in the April 2024 Notes and the April 2024 Warrant liability are presented below, respectively:

April 2024 Notes: |  | For the Nine Months Ended March 31, 2025 |
Balance as of June 30, 2024 |  | $ | 7,089 |
Principal payments |  |  | (7,129 | )
Change in fair value |  |  | 40 |
Balance as of March 31, 2025 |  | $ | - |

Schedule of change in the April 2024 Warrant liability

April 2024 Warrant Liability: |  | For the Nine Months Ended March 31, 2025 |
Fair value as of June 30, 2024 |  | $ | 298 |
Change in fair value |  |  | 42 |
Fair value as of March 31, 2025 |  | $ | 340 |

On September 4, 2024 and October 3, 2024, NioCorp entered into (i) consents and waivers (the “2024 Yorkville Consents”) to the April 2024 Notes issued and sold to Yorkville pursuant to the April 2024 Purchase Agreement and (ii) consents and waivers (together with the 2024 Yorkville Consents, the “2024 Note Consents”) to the April 2024 Notes issued and sold to Lind II pursuant to the April 2024 Purchase Agreement. The 2024 Note Consents, among other things, extended and deferred certain monthly payments and extended the maturity of the April 2024 Notes until January 31, 2025. On January 3, 2025, the Company entered into a consent and waiver (the “January Yorkville Consent”) to the April 2024 Notes issued and sold to Yorkville pursuant to the April 2024 Purchase Agreement. The January Yorkville Consent, among other things, deferred the due date for the amounts that would otherwise have been due to Yorkville on January 1, 2025 to the maturity date and extended the maturity date to February 17, 2025, and prospectively waived any term of the April 2024 Notes that would otherwise be triggered upon a failure of the Company to pay to Yorkville the remainder of the amount due on January 1, 2025.

All remaining amounts due to Lind II ($176) and Yorkville ($1,000) under the April 2024 Notes were repaid on January 6, 2025, and February 7, 2025, respectively.

10

NioCorp Developments Ltd.
Notes to the Condensed Consolidated Financial Statements
March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

7. | CLASS B COMMON STOCK OF ECRC

The shares of Class B common stock of ECRC, an indirect, majority-owned subsidiary of NioCorp formerly known as GX Acquisition Corp. II (“GXII”), include rights under which the holders may exchange such shares into Common Shares. Certain of such shares were vested as of the Closing (as defined below) and are exchangeable at any time, from time to time, until the tenth anniversary of the Closing Date (as defined below) (the “Vested Shares”) and certain of such shares are subject to certain vesting conditions (the “Earnout Shares”).

Earnout Shares

The Earnout Shares were valued utilizing a Monte Carlo Simulation pricing model with the following primary inputs:

|  |  | March 31, 2025 |  | June 30, 2024
| Closing Common Share price |  | $1.97 |  | $1.73
| Term (expiry) |  | March 17, 2033 |  | March 17, 2033
| Implied volatility of Public Warrants |  | 66.0% |  | 65.0%
| Risk-free rate |  | 4.13% |  | 4.35%

The following table sets forth a summary of the changes in the fair value of the Earnout Shares liability for the nine-month period ended March 31, 2025:

|  | For the Nine Months Ended March 31, 2025 |
Fair value as of June 30, 2024 |  | $ | 3,817 |
Change in fair value |  |  | 510 |
Fair value as of March 31, 2025 |  | $ | 4,327 |

Vested Shares

On December 12, 2024, and December 20, 2024, 25,000 Vested Shares and 323,085 Vested Shares, respectively, were exchanged for an equivalent number of Common Shares. This exchange resulted in a change in the Company’s ownership interest in ECRC and was accounted for as an equity transaction in accordance with Accounting Standards Codification (“ASC”) 810-10-45-23, with no gain or loss recognized. Accordingly, the carrying amount of the noncontrolling interest was adjusted to reflect the change in the Company’s ownership interest with a corresponding offset booked to equity. As of March 31, 2025, 3,934,031 Vested Shares remained outstanding.

8. | COMMON SHARES

| a) | Issuance

On November 5, 2024, the Company closed an underwritten public offering (the “November 2024 Registered Offering”), pursuant to the underwriting agreement, dated November 3, 2024 (the “Underwriting Agreement”), with Maxim Group LLC, as underwriter (“Maxim”), which consisted of 1,592,356 Common Shares, 1,672,090 Warrants (the “Series A Public Warrants”) to purchase up to an additional 1,672,090 Common Shares and 836,045 Warrants (the “Series B Public Warrants” and, together with the Series A Public Warrants, the “November Public Warrants”) to purchase up to an additional 836,045 Common Shares. Each Common Share was sold together with one Series A Public Warrant and one-half of one Series B Public Warrant at a combined public offering price of $1.57. The gross proceeds from the November 2024 Registered Offering were $2,501

11

NioCorp Developments Ltd.
Notes to the Condensed Consolidated Financial Statements
March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

before deducting underwriting discounts and offering expenses. The November Public Warrants were classified as equity instruments and accordingly, the net proceeds were allocated based on the relative fair values of the Common Shares and the November Public Warrants on the date of issuance, with $943 allocated to the fair value of the November Public Warrants and the balance of the proceeds of $1,558 allocated to Common Shares. The Company incurred total transaction costs related to the November 2024 Registered Offering $1,226, which were treated as share issuance costs at closing. The Series A Public Warrants have an exercise price of $1.75 per underlying Common Share, are exercisable immediately, and will expire on November 5, 2026. The Series B Public Warrants have an exercise price of $2.07 per underlying Common Share, are exercisable beginning six months and one day from the date of issuance and will expire on November 5, 2029. In addition, pursuant to the Underwriting Agreement, the Company granted Maxim a 45-day over-allotment option to purchase (i) 238,853 additional Common Shares and (ii) 358,280 Option Warrants (as defined below) to purchase up to an aggregate of 358,280 Common Shares. “Option Warrant” means one Series A Public Warrant combined with one-half of one Series B Public Warrant. On November 4, 2024, Maxim partially exercised its over-allotment option to purchase 79,734 additional Series A Public Warrants and 39,867 additional Series B Public Warrants, which amounts are included in the amounts discussed above and were issued at closing of the November 2024 Registered Offering.

On November 13, 2024, the Company closed a non-brokered private placement (the “November 2024 Private Offering”), pursuant to binding subscription agreements with certain accredited investors as part of a non-brokered private placement of 2,199,602 units of the Company (the “November 2024 Units”). Each November 2024 Unit consisted of one Common Share, one Warrant (a “Series A Private Warrant”) to purchase one Common Share, and one-half of one Warrant (each whole such Warrant, a “Series B Private Warrant” and, together with the Series A Private Warrants, the “November Private Warrants”), with each Series B Private Warrant entitling the holder thereof to purchase one additional Common Share. Each November 2024 Unit was issued and sold at a price of $1.57. The gross proceeds of the November 2024 Private Offering were approximately $3,500 before deducting offering expenses. Certain directors and officers of the Company (the “Insider Investors”) purchased November 2024 Units at a price of $1.7675 per November 2024 Unit, which price includes $0.1975 per November 2024 Private Warrant and allowed such directors and officers to participate in the November 2024 Private Offering in accordance with the rules of the Nasdaq Stock Market LLC (the “Nasdaq”). The Series A Private Warrants have an exercise price of $1.75 per underlying Common Share, are exercisable immediately, and will expire on November 13, 2026. The Series B Private Warrants have an exercise price of $2.07 per underlying Common Share, are exercisable beginning six months and one day from the date of issuance and will expire on November 13, 2029. The Company recorded a non-cash expense of $34 and $110 to other operating expenses and employee related costs, respectively, representing the excess of fair value of the November 2024 Units over the purchase price paid by Insider Investors.

Based upon the Company’s analysis of the criteria contained in ASC 815, the Company determined that the November Private Warrants met the definition of a derivative liability, as any warrant exercise that could cause the holder to exceed 19.9% ownership of NioCorp Common Shares would require shareholder approval. As such, the November Private Warrants were recognized as warrant liabilities on the consolidated balance sheet and were measured at their issuance date fair value of $1,928 and subsequently remeasured at each reporting period with changes being recorded as a non-operating gain or loss in the consolidated statement of operations and comprehensive loss. The remaining proceeds of the November 2024 Private Offering of $1,573 were allocated to Common Shares. The Company incurred total transaction costs related to the November 2024 Private Offering of $161, of which $60 was allocated to the November Private Warrants and was expensed at closing.

The following tables disclose the primary inputs for the Black-Scholes model used in valuing the November Public Warrants and November Private Warrants, respectively.

12

NioCorp Developments Ltd.

Notes to the Condensed Consolidated Financial Statements

March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

Schedule of Black-Scholes model used in valuing the November Public Warrants and November Private Warrants

|  | November 5, 2024 |
November Public Warrants: |  | Series A Public Warrants |  |  | Series B Public Warrants |
Closing Common Share price |  | $ | 1.455 |  |  | $ | 1.455 |
Term (years) |  |  | 4.5 |  |  |  | 2.0 |
Historic equity volatility |  |  | 67.43 | % |  |  | 67.13 | %
Risk-free rate |  |  | 4.14 | % |  |  | 4.20 | %

|  |  |  |  |  |  | March 31, 2025 |
November Private Warrants: |  |  |  |  |  |  |  | Series A Private Warrants |  |  | Series B Private Warrants |
Closing Common Share price |  |  |  |  |  |  |  |  |  | $ | 1.97 |  |  | $ | 1.97 |
Term (years) |  |  |  |  |  |  |  |  |  |  | 1.62 |  |  |  | 4.5 |
Historic equity volatility |  |  |  |  |  |  |  |  |  |  | 80.09 | % |  |  | 71.22 | %
Risk-free rate |  |  |  |  |  |  |  |  |  |  | 3.96 | % |  |  | 3.94 | %

The following table sets forth a summary of the changes in the fair value of the November Private Warrants liabilities.

|  | November Private Warrants |
Fair value at issuance (November 13, 2024) |  | $ | 1,929 |
Change in fair value |  |  | 1,258 |
Fair value as of March 31, 2025 |  | $ | 3,187 |

On January 31, 2025, the Company closed an underwritten registered direct offering (the “January 2025 Offering”), pursuant to an underwriting agreement, dated January 29, 2025, with Maxim, as underwriter, pursuant to which the Company issued and sold 2,577,320 Common Shares, 2,577,320 Series A warrants to purchase up to 2,577,320 Common Shares (the “January 2025 Series A Warrants”) and 1,288,660 Series B warrants to purchase up to an additional 1,288,660 Common Shares (the “January 2025 Series B Warrants” and, together with the January 2025 Series A Warrants, the “January 2025 Warrants”). Each Common Share was sold together with one January 2025 Series A Warrant and one-half of one January 2025 Series B Warrant at a combined public offering price of $1.94. The gross proceeds from the January 2025 Offering were approximately $5,000 before deducting underwriting discounts and offering expenses. The January 2025 Warrants were classified as equity instruments and accordingly, the net proceeds were allocated based on the relative fair values of the Common Shares and the January 2025 Warrants on the date of issuance, with $2,200 allocated to the fair value of the January 2025 Warrants and the balance of the proceeds of $2,800 allocated to Common Shares. The Company incurred total transaction costs related to the January 2025 Offering of $799, which were treated as share issuance costs at closing. The January 2025 Series A Warrants have an exercise price of $1.98 per underlying Common Share, are exercisable immediately, and will expire on August 2, 2027. The January 2025 Series B Warrants have an exercise price of $2.05 per underlying Common Share, are exercisable immediately, and will expire on January 31, 2029.

The following primary inputs were used in the Black-Scholes model for valuing the January 2025 Warrants:

|  | Series A Public Warrants |  |  | Series B Public Warrants |
Closing Common Share price |  | $ | 2.25 |  |  | $ | 2.25 |
Term (years) |  |  | 2.5 |  |  |  | 4.0 |
Historic equity volatility |  |  | 73.18 | % |  |  | 73.36 | %
Risk-free rate |  |  | 4.23 | % |  |  | 4.31 | %

13

NioCorp Developments Ltd.

Notes to the Condensed Consolidated Financial Statements

March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

As of March 31, 2025, the Company has access to up to $56,157 in net proceeds from the Standby Equity Purchase Agreement, dated January 26, 2023 (the “Yorkville Equity Facility Financing Agreement”), between the Company and YA II PN, Ltd., an investment fund managed by Yorkville Advisors Global, LP (“Yorkville”), through April 1, 2026. The Company issued the following Common Shares under the Yorkville Equity Facility Financing Agreement during the three and nine month periods presented below:

The Company issued the following Common Shares under the Yorkville Equity Facility Financing Agreement during the nine months period:

|  | For The Three Months Ended March 31, |  |  | For The Nine Months Ended March 31, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Common Shares issued |  |  | 709,000 |  |  |  | 242,500 |  |  |  | 1,919,250 |  |  |  | 462,500 |
Gross funds received |  | $ | 1,286 |  |  | $ | 607 |  |  | $ | 3,111 |  |  | $ | 1,373 |
Market value of Common Shares Issued |  | $ | 1,328 |  |  | $ | 622 |  |  | $ | 3,191 |  |  | $ | 1,451 |
Loss on issuance |  | $ | 42 |  |  | $ | 15 |  |  | $ | 80 |  |  | $ | 78 |

Loss on issuance represents a non-cash amount equal to the difference between the proceeds received and the fair value of the Common Shares issued based on the Nasdaq closing price per Common Share on the issuance date and is recorded in other operating expenses in the condensed consolidated statement of operations and comprehensive loss.

| b) | Stock Options

Schedule Of Stock Option

|  |  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |  |  | Weighted Average Remaining Life |
Balance, June 30, 2024 |  |  |  | 2,495,500 |  |  | $ | 4.78 |  |  |  |  |  |  |  |  |
Granted |  |  |  | 945,000 |  |  |  | 1.41 |  |  |  |  |  |  |  |  |
Exercised |  |  |  | (5,000 | ) |  |  | 1.40 |  |  |  |  |  |  |  |  |
Cancelled/expired |  |  |  | (362,500 | ) |  |  | 9.25 |  |  |  |  |  |  |  |  |
Balance, March 31, 2025 |  |  |  | 3,073,000 |  |  | $ | 3.17 |  |  | $ | 530 |  |  |  | 3.6 Years |

On December 23, 2024, the Company granted 935,000 Options with a fair value price of $0.84 per Option, based on a Black-Scholes model with a risk-free rate of 4.44%, average share price volatility of 67.2%, and a five-year expected option life. These Options were fully vested on the issuance date and the Company expensed $781 in the condensed consolidated statement of operations associated with the Option grants.

On February 24, 2025, the Company granted 10,000 Options with a fair value price of $1.13 per Option, based on a Black-Scholes model with a risk-free rate of 4.28%, average share price volatility of 73.3%, and a three-year expected option life. These Options were 50% vested on the issuance date with the remaining portion vesting over one year. The Company expensed $6 in the condensed consolidated statement of operations associated with the grant and the remaining balance will be amortized over the vesting period.

| c) | Warrants

Schedule of warrant transactions

|  |  | Number of Warrants |  |  | Weighted Average Exercise Price |
Balance, June 30, 2024 |  |  |  | 18,563,561 |  |  | $ | 10.53 |
Granted |  |  |  | 12,490,252 |  |  |  | 2.00 |
Exercised |  |  |  | (230,000 | ) |  |  | 1.75 |
Expired |  |  |  | (1,303,118 | ) |  |  | 9.44 |

Balance, March 31, 2025 |  |  |  | 29,520,695 |  |  | $ | 7.12 |

14

NioCorp Developments Ltd.

Notes to the Condensed Consolidated Financial Statements

March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

As of March 31, 2025, the Company had outstanding exercisable Warrants, as follows:

Number |  | Exercise Price |  | Expiry Date |
250,000 |  | $4.60 |  | September 1, 2025 |
413,432 |  | 3.54 |  | December 22, 2025 |
315,000 |  | 2.20 |  | June 24, 2026 |
1,442,090 |  | 1.75 |  | November 5, 2026 |
2,199,602 |  | 1.75 |  | November 13, 2026 |
615,385 |  | 3.25 |  | April 12, 2027 |
2,577,320 |  | 1.98 |  | August 2, 2027 |
15,666,626 |  | 11.50 |  | March 17, 2028 |
2,816,742 |  | 2.31 |  | September 17, 2028 |
1,288,660 |  | 2.05 |  | January 31, 2029 |
836,045 |  | 2.07 |  | November 5, 2029 |
1,099,793 |  | 2.07 |  | November 13, 2029 |
29,520,695 |  |  |  |  |

Private Warrants

On March 17, 2023 (the “Closing Date”), the Company closed a series of transactions (the “GXII Transaction”) pursuant to the Business Combination Agreement, dated as of September 25, 2022, by and among the Company, GXII, and Big Red Merger Sub Ltd. In connection with the closing of the GXII Transaction (the “Closing”), the Company assumed GXII’s obligations under the agreement governing the GXII share purchase warrants (the “GXII Warrants”), as amended by an assignment, assumption and amendment agreement (the “NioCorp Assumed Warrant Agreement”), and issued an aggregate of 15,666,626 Warrants (the “NioCorp Assumed Warrants”). The Company issued (a) 9,999,959 public NioCorp Assumed Warrants (the “Public Warrants”) in respect of the GXII Warrants that were publicly traded prior to the Closing and (b) 5,666,667 NioCorp Assumed Warrants (the “Private Warrants”) to GX Sponsor II LLC (the “Sponsor”).

Each Private Warrant entitles the holder to the right to purchase 1.11829212 Common Shares at an exercise price of $11.50 per 1.11829212 Common Shares (subject to adjustments for stock splits, stock dividends, reorganizations, recapitalizations and the like). No fractional shares will be issued upon exercise of any Private Warrants, and fractional shares that would otherwise be due to the exercising holder will be rounded down to the nearest whole Common Share. In no event will the Company be required to net cash settle any Private Warrant.

The Private Warrants: (i) will be exercisable either for cash or on a cashless basis at the holder’s option and (ii) will not be redeemable by the Company, in either case as long as the Private Warrants are held by the Sponsor, its members or any of their permitted transferees (as prescribed in the NioCorp Assumed Warrant Agreement). In accordance with the NioCorp Assumed Warrant Agreement, any Private Warrants that are held by someone other than the Sponsor, its members or any of their permitted transferees are treated as Public Warrants.

The Company classifies the Private Warrants as Level 2 instruments under the fair value hierarchy as inputs into our pricing model are based on observable data points. The following observable data points were used in calculating the fair value of the Private Warrants using a Black-Scholes pricing model:

Key Valuation Input |  | March 31, 2025 |  |  | June 30, 2024 |
Closing Common Share price |  | $1.97 |  |  | $1.73 |
Implied volatility of Public Warrants |  | 64.3 | % |  | 69.0 | %
Risk free rate |  | 3.88 | % |  | 4.45 | %
Dividend yield |  | 0 | % |  | 0 | %
Expected warrant life in years |  | 3.0 |  |  | 3.7 |

15

NioCorp Developments Ltd.

Notes to the Condensed Consolidated Financial Statements

March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

The change in the Private Warrants liability is presented below:

|  | For the Nine Months Ended March 31, 2025 |
Fair value as of June 30, 2024 |  | $ | 1,353 |
Change in fair value |  |  | (680 | )
Fair value as of March 31, 2025 |  | $ | 673 |

Contingent Consent Warrants

As consideration for entering into the previously publicly disclosed Waiver and Consent Agreement, dated September 25, 2022 (the “Lind Consent”), between the Company and Lind Global Asset Management III, LLC (“Lind III”), Lind III received, amongst other things, the right to receive additional Warrants (the “Contingent Consent Warrants”) if on September 17, 2024, the closing trading price of the Common Shares on the Toronto Stock Exchange or such other stock exchange on which such shares may then be listed, is less than C$10.00, subject to adjustments. The number of Contingent Consent Warrants to be issued, if any, is based on the Canadian dollar equivalent (based on the then current Canadian to U.S. dollar exchange rate as reported by Bloomberg, L.P.) of $5,000 divided by the five-day volume weighted average price of the Common Shares on the date of issuance. Further, the number of Contingent Consent Warrants issued will be proportionately adjusted based on the percentage of Warrants currently held by Lind III that are exercised, if any, prior to the issuance of any Contingent Consent Warrants.

On September 17, 2024, the Company’s Common Share price was below the threshold price set forth in the Lind Consent, and accordingly, the Company issued 2,816,742 Contingent Consent Warrants to Lind III. Each Contingent Consent Warrant is exercisable for one Common Share at an exercise price of $2.308 and may be exercised at any time prior to their expiration on September 17, 2028. The number of Contingent Consent Warrants issued was based on $5,000 divided by the five-day volume weighted average price of the Common Shares on September 16, 2024. The Company valued the Contingent Consent Warrants at $2,262 based on a Black-Scholes valuation with the following inputs:

The Company valued the Contingent Consent Warrants at $2,262 based on a Black-Scholes valuation with the following inputs:

Key Valuation Input |  | September 17, 2024
Closing Common Share price |  | $1.74
Term (years) |  | 4.0
Historic equity volatility |  | 67.14%
Risk-free rate |  | 3.44%

The Company recognized a gain of $103 on the issuance of the Contingent Consent Warrants. This gain was recorded as a part of other gains in the condensed consolidated statements of operations and comprehensive loss.

9. | RELATED PARTY TRANSACTIONS

On September 11, 2024, the Company and Mark Smith, Chief Executive Officer, President and Executive Chairman of NioCorp, entered into a loan agreement (the “Smith Loan Agreement”), which provides for a $2,000 non-revolving, multi-draw credit facility (the “Smith Loan”). The Smith Loan has an interest rate of 10% per annum, calculated monthly in arrears, through the date of repayment of the Smith Loan. The Company can pre-pay the Smith Loan at any time without notice and without penalty, but any amount of principal or interest repaid by the Company prior to the earlier of the date of expiration of the Smith Loan Agreement on June 30, 2025 and the occurrence of an event of default under the Smith Loan Agreement will be subject to an early payment fee of 2.5% of the value of any such payment. The Smith Loan is secured by all of the Company’s assets pursuant to a general security agreement between the Company and Mr. Smith dated September 11, 2024.

16

NioCorp Developments Ltd.

Notes to the Condensed Consolidated Financial Statements

March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

Through October 30, 2024, the Company borrowed a total of $504 under the Smith Loan and subsequently the Company repaid $508, representing the balance of the interest and principal outstanding under the Smith Loan, along with $41 related to loan origination fees payable. As of March 31, 2025, the principal amount outstanding under the Smith Loan was $0 and accounts payable and accrued liabilities as of March 31, 2025, included $0 dollars of loan origination fees payable to Mr. Smith.

10. | Exploration Expenditures

Schedule of exploration expenditures

|  | For the Three Months Ended March 31, |  |  | For the Nine Months Ended March 31, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Technical studies and engineering |  | $ | 107 |  |  | $ | 53 |  |  | $ | 111 |  |  | $ | 350 |
Field management and other |  |  | 315 |  |  |  | 136 |  |  |  | 616 |  |  |  | 418 |
Metallurgical development |  |  | 73 |  |  |  | 300 |  |  |  | 167 |  |  |  | 1,630 |
Geologists and field staff |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 19 |
Total |  | $ | 495 |  |  | $ | 489 |  |  | $ | 894 |  |  | $ | 2,417 |

11. | Leases

The Company incurred lease costs as follows:

|  | For the Three Months Ended March 31, |  |  | For the Nine Months Ended March 31, |
Operating Lease Cost: |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Fixed rent expense |  | $ | 24 |  |  | $ | 23 |  |  | $ | 70 |  |  | $ | 68 |
Variable rent expense |  |  | 4 |  |  |  | 3 |  |  |  | 11 |  |  |  | 10 |
Short-term lease cost |  |  | 2 |  |  |  | 2 |  |  |  | 7 |  |  |  | 7 |
Sublease income |  |  | (8 | ) |  |  | (7 | ) |  |  | (32 | ) |  |  | (23 | )
Lease cost – other operating expense: |  | $ | 22 |  |  | $ | 21 |  |  | $ | 56 |  |  | $ | 62 |

The maturities of lease liabilities are as follows as of March 31, 2025:

|  | Future Lease Maturities |
Total remaining lease payments |  | $ | 172 |
Less portion of payments representing interest |  |  | (22 | )
Present value of lease payments |  |  | 150 |
Less current portion of lease payments |  |  | (98 | )
Non-current lease liability |  | $ | 52 |

12. | Fair Value Measurements

The following tables present information about the assets and liabilities that are measured at fair value on a recurring basis as of March 31, 2025, and June 30, 2024, respectively, and indicate the fair value hierarchy of the valuation techniques the Company utilized to determine such fair value. In general, fair values determined by Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical instruments. Fair values determined by Level 2 inputs utilize data points that are observable, such as quoted prices, interest rates, and yield curves. Fair values determined by Level 3 inputs are unobservable data points for the financial instrument and include situations where there is little, if any, market activity for the instrument.

17

NioCorp Developments Ltd.

Notes to the Condensed Consolidated Financial Statements

March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

Schedule of fair values determined by level 3 inputs are unobservable data

|  | As of March 31, 2025 |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 1,294 |  |  | $ | 1,294 |  |  | $ | - |  |  | $ | - |
Investment in equity securities |  |  | 3 |  |  |  | 3 |  |  |  | - |  |  |  | - |
Total |  | $ | 1,297 |  |  | $ | 1,297 |  |  | $ | - |  |  | $ | - |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earnout Shares liability |  | $ | 4,327 |  |  | $ | - |  |  | $ | - |  |  | $ | 4,327 |
Warrant liabilities |  |  | 4,200 |  |  |  | - |  |  |  | 4,200 |  |  |  | - |
Total |  | $ | 8,527 |  |  | $ | - |  |  | $ | 4,200 |  |  | $ | 4,327 |

|  | As of June 30, 2024 |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 2,012 |  |  | $ | 2,012 |  |  | $ | - |  |  | $ | - |
Investment in equity securities |  |  | 4 |  |  |  | 4 |  |  |  | - |  |  |  | - |
Total |  | $ | 2,016 |  |  | $ | 2,016 |  |  | $ | - |  |  | $ | - |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
April 2024 notes |  | $ | 7,089 |  |  | $ | - |  |  | $ | - |  |  | $ | 7,089 |
Earnout Shares liability |  |  | 3,817 |  |  |  | - |  |  |  | - |  |  |  | 3,817 |
Warrant liabilities |  |  | 4,016 |  |  |  | - |  |  |  | 1,651 |  |  |  | 2,365 |
Total |  | $ | 14,922 |  |  | $ | - |  |  | $ | 1,651 |  |  | $ | 13,271 |

13. | CYBERSECURITY INCIDENT

On February 14, 2025, the Company became aware of unauthorized third-party access to its information systems, including portions of its email systems, that resulted in misdirected vendor payments totaling approximately $506 (the “cybersecurity incident”). The Company self-discovered the cybersecurity incident and promptly notified certain financial institutions and federal law enforcement in an effort to, among other matters, recover the misdirected vendor payments. In addition, upon discovery of the cybersecurity incident, the Company took steps to investigate, contain, assess, and remediate the cybersecurity incident. As a result of the investigation, the Company determined that the cybersecurity incident was limited to the misdirected vendor payments noted above.

To date, the Company has not recovered any funds, and as a result, the Company recorded a one-time charge of $506 to other operating expenses in the condensed consolidated statements of operations. Recoveries, if any, will be recognized as a gain in the period that the funds are received. The Company incurred approximately $10 in professional service fees in connection with the investigation and initial remediation related to this incident.

14. | SUBSEQUENT EVENTS

The April 2025 Offering

On April 21, 2025, the Company closed an underwritten public offering (the “April 2025 Offering”), pursuant to the underwriting agreement, dated April 17, 2025, with Maxim, as underwriter, pursuant to which the Company issued and sold (i) 6,628,846 Common Shares at a public offering price of $2.60 per Common Share and (ii) 1,063,462 pre-funded Common Share Purchase Warrants (the “April 2025 Pre-Funded Warrants”) to purchase up to an additional 1,063,462 Common Shares at a public offering price of $2.5999. The April 2025 Pre-Funded Warrants have an exercise price of $0.0001 per underlying Common Share, are exercisable immediately, and do not have an expiration date. On April 17, 2025, Maxim partially exercised its over-allotment option to purchase 323,504 additional Common

18

NioCorp Developments Ltd.

Notes to the Condensed Consolidated Financial Statements

March 31, 2025

(expressed in thousands of U.S. dollars, except share and per share data or as otherwise stated) (unaudited)

Shares at the closing. The gross proceeds from the April 2025 Offering were approximately $20,800 before deducting underwriting discounts and offering expenses.

The Company intends to use the net proceeds from the April 2025 Offering for working capital and general corporate purposes, including to advance its efforts to launch construction of the Elk Creek Project and move it to commercial production.

Other Equity Issuances

During the period from April 1, 2025 through May 8, 2025, the Company issued Common Shares under the Yorkville Equity Facility Financing Agreement and through the exercise of Warrants by their holders. As a result of these transactions, the Company received cash totaling $3,599 and issued 1,568,694 Common Shares.

19

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

The following discussion and analysis should be read in conjunction with our historical interim condensed consolidated financial statements and related notes included elsewhere in this Quarterly Report on Form 10-Q and the Annual Report on Form 10-K filed with the Securities and Exchange Commission (the “SEC”) for the year ended June 30, 2024 filed on September 23, 2024 (the “Annual Report on Form 10-K”), which have been prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”). This discussion and analysis contains forward-looking statements and forward-looking information that involve risks, uncertainties, and assumptions. Our actual results may differ materially from those anticipated in these forward-looking statements and information as a result of many factors, including, but not limited to, those set forth elsewhere in this Quarterly Report on Form 10-Q. See “Note Regarding Forward-Looking Statements” below.

All currency amounts are stated in U.S. dollars unless noted otherwise.

As used in this Quarterly Report on Form 10-Q, unless the context otherwise indicates, references to “we,” “our,” the “Company,” “NioCorp,” and “us” refer to NioCorp Developments Ltd. and its subsidiaries, collectively.

Note Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q and the exhibits attached hereto contain “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and “forward-looking information” within the meaning of applicable Canadian securities legislation (collectively, “forward-looking statements”). Such forward-looking statements concern our anticipated results and developments in the operations of the Company in future periods, planned exploration activities, the adequacy of the Company’s financial resources, and other events or conditions that may occur in the future.

Forward-looking statements have been based upon our current business and operating plans, as approved by the Company’s Board of Directors, and may include statements regarding the anticipated benefits of the transactions (the “2023 Transactions”) contemplated by the previously disclosed Business Combination Agreement, dated September 25, 2022 (the “Business Combination Agreement”), among the Company, GX Acquisition Corp. II and Big Red Merger Sub Ltd, including NioCorp’s ability to access the full amount of the expected net proceeds of the Standby Equity Purchase Agreement, dated January 26, 2023 (the “Yorkville Equity Facility Financing Agreement”), between the Company and YA II PN, Ltd., an investment fund managed by Yorkville Advisors Global, LP (“Yorkville”); the anticipated benefits of the April 2025 Offering (as defined below); NioCorp’s ability to receive a final commitment of financing from the Export-Import Bank of the United States (“EXIM”); anticipated benefits of the listing of the Common Shares, no par value, of the Company (“Common Shares”) on The Nasdaq Stock Market LLC (“Nasdaq”); the financial and business performance of NioCorp; NioCorp’s anticipated results and developments in the operations of NioCorp in future periods; NioCorp’s planned exploration and development activities; the adequacy of NioCorp’s financial resources; NioCorp’s ability to secure sufficient project financing to complete construction and commence operation of the Company’s niobium, scandium and titanium project (the “Elk Creek Project”) located in southeastern Nebraska and move it to commercial operation, including the required financing to get to a final investment decision; NioCorp’s expectation and ability to produce niobium, scandium, and titanium and the potential to produce rare earth elements at the Elk Creek Project; NioCorp’s plans to produce and supply specific products and market demand for those products; the outcome of current recovery process improvement testing and the evaluation of the benefits and costs of electrifying the mine using Railveyor technology, and NioCorp’s expectation that such process and design improvements could lead to greater efficiencies and cost savings in the Elk Creek Project, including the twin ramp Railveyor mining design; the Elk Creek Project’s ability to produce multiple critical metals; the Elk Creek Project’s projected ore production and mining operations over its expected mine life; the completion of technical and economic analyses on the potential addition of magnetic rare earth oxides to NioCorp’s planned product suite; NioCorp’s updating its technical report for the Elk Creek Project; statements with respect to the estimation of mineral resources and mineral reserves; the exercise of options to purchase additional land parcels; the execution of contracts with engineering, procurement and construction companies; the advancement of offtake discussions with potential customers; NioCorp’s ongoing evaluation of the impact of inflation, supply chain issues and geopolitical unrest on the Elk Creek Project’s economic model; and the creation of full time and contract construction jobs over the construction period of the Elk Creek Project.

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Forward-looking statements are frequently, but not always, identified by words such as “expects,” “anticipates,” “believes,” “intends,” “estimates,” “potential,” “possible,” and similar expressions, or statements that events, conditions, or results “will,” “may,” “could,” or “should” (or the negative and grammatical variations of any of these terms) occur or be achieved. Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions, or future events or performance (often, but not always, using words or phrases such as “expects” or “does not expect,” “is expected,” “anticipates” or “does not anticipate,” “plans,” “estimates,” or “intends,” or stating that certain actions, events, or results “may,” “could,” “would,” “might,” or “will” be taken, occur or be achieved) are not statements of historical fact and may be forward-looking statements. Forward-looking statements reflect material expectations and assumptions, including, without limitation, expectations and assumptions relating to: NioCorp’s ability to receive sufficient project financing for the construction and development of the Elk Creek Project on acceptable terms or at all; the future price of metals; the stability of the financial and capital markets; NioCorp’s ability to service its debt and meet the payment obligations thereunder; and current estimates and assumptions regarding the 2023 Transactions and their benefits. Such forward-looking statements reflect the Company’s current views with respect to future events and are subject to certain known and unknown risks, uncertainties, and assumptions. Many factors could cause actual results, performance, or achievements to be materially different from any future results, performance, or achievements that may be expressed or implied by such forward-looking statements, including, among others, risks related to the following: NioCorp’s ability to use the net proceeds of the April 2025 Offering in a manner that will increase the value of shareholders’ investment; NioCorp’s ability to operate as a going concern; NioCorp’s requirement of significant additional capital; NioCorp’s ability to receive sufficient project financing for the construction of the Elk Creek Project on acceptable terms or at all; NioCorp’s ability to receive a final commitment of financing from EXIM on an acceptable timeline, on acceptable terms, or at all; NioCorp’s ability to recognize the anticipated benefits of the 2023 Transactions, including NioCorp’s ability to access the full amount of the expected net proceeds under the Yorkville Equity Facility Financing Agreement; NioCorp’s ability to continue to meet Nasdaq listing standards; risks relating to the Common Shares, including price volatility, lack of dividend payments and dilution or the perception of the likelihood of any of the foregoing; the extent to which NioCorp’s level of indebtedness and/or the terms contained in agreements governing NioCorp’s indebtedness, if any, or the Yorkville Equity Facility Financing Agreement may impair NioCorp’s ability to obtain additional financing, on acceptable terms, or at all; covenants contained in agreements with NioCorp’s secured creditors that may affect its assets; NioCorp’s limited operating history; NioCorp’s history of losses; the material weaknesses in NioCorp’s internal control over financial reporting, NioCorp’s efforts to remediate such material weaknesses and the timing of remediation; the possibility that NioCorp may qualify as a “passive foreign investment company” (“PFIC”) under the Internal Revenue Code of 1986, as amended (the “Code”); the potential that the 2023 Transactions could result in NioCorp becoming subject to materially adverse U.S. federal income tax consequences as a result of the application of Section 7874 and related sections of the Code; cost increases for NioCorp’s exploration and, if warranted, development projects; a disruption in, or failure of, NioCorp’s information technology systems, including those related to cybersecurity; equipment and supply shortages; variations in the market demand for, and prices of, niobium, scandium, titanium and rare earth products; current and future offtake agreements, joint ventures, and partnerships; NioCorp’s ability to attract qualified management; estimates of mineral resources and reserves; mineral exploration and production activities; feasibility study results; the results of metallurgical testing; the results of technological research; changes in demand for and price of commodities (such as fuel and electricity) and currencies; competition in the mining industry; changes or disruptions in the securities markets; legislative, political or economic developments, including changes in federal and/or state laws that may significantly affect the mining industry; trade policies and tensions, including tariffs; inflationary pressures; the impacts of climate change, as well as actions taken or required by governments related to strengthening resilience in the face of potential impacts from climate change; the need to obtain permits and comply with laws and regulations and other regulatory requirements; the timing and reliability of sampling and assay data; the possibility that actual results of work may differ from projections/expectations or may not realize the perceived potential of NioCorp’s projects; risks of accidents, equipment breakdowns, and labor disputes or other unanticipated difficulties or interruptions; the possibility of cost overruns or unanticipated expenses in development programs; operating or technical difficulties in connection with exploration, mining, or development activities; management of the water balance at the Elk Creek Project site; land reclamation requirements related to the Elk Creek Project; the speculative nature of mineral exploration and development, including the risks of diminishing quantities of grades of reserves and resources; claims on the title to NioCorp’s properties; potential future litigation; and NioCorp’s lack of insurance covering all of NioCorp’s operations.

Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those described herein. This list is not exhaustive of the factors that may affect any of the Company’s forward-looking statements. Forward-looking statements are statements about the future and are inherently uncertain, and actual achievements of the Company or other future events or conditions may differ materially

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from those reflected in the forward-looking statements due to a variety of risks, uncertainties, and other factors, including without limitation those discussed under the heading “Risk Factors” in our Annual Report on Form 10-K, as well as other factors described elsewhere in this Quarterly Report on Form 10-Q and the Company’s other reports filed with the SEC.

The Company’s forward-looking statements contained in this Quarterly Report on Form 10-Q are based on the beliefs, expectations, and opinions of management as of the date of this Quarterly Report on Form 10-Q. The Company does not assume any obligation to update forward-looking statements if circumstances or management’s beliefs, expectations, or opinions should change, except as required by law. For the reasons set forth above, investors should not attribute undue certainty to, or place undue reliance on, forward-looking statements.

Qualified Person

All technical and scientific information that forms the basis for the Elk Creek Project disclosure included in this Quarterly Report on Form 10-Q has been reviewed and approved by Scott Honan, M.Sc., SME-RM, NioCorp’s Chief Operating Officer. Mr. Honan is a “Qualified Person” as such term is defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects and subpart 1300 of Regulation S-K.

Company Overview

NioCorp is developing the Elk Creek Project, located in southeast Nebraska. The Elk Creek Project is a development-stage property that has disclosed niobium, scandium, and titanium reserves and resources and disclosed rare earth mineral resources. The Company is continuing technical and economic studies around the rare earths contained in the Elk Creek Project’s mineral resources in order to determine whether extraction of rare earth elements can be reasonably justified and economically viable after taking into account all relevant factors. Niobium has developing applications in the formulation of solid-state lithium-ion batteries, which may reduce charging times and increase battery safety. Niobium is used to produce various superalloys that are extensively used in high performance aircraft and jet turbines. It also is used in High-Strength, Low-Alloy steel, a stronger steel used in automobiles, bridges, structural systems, buildings, pipelines, and other applications that generally increases strength and/or reduces weight, which can result in environmental benefits, including reduced fuel consumption and material usage and fewer air emissions. Scandium can be combined with aluminum to make high-performance alloys with increased strength and improved corrosion resistance. Scandium also is a critical component of advanced solid oxide fuel cells, an environmentally preferred technology for high-reliability, distributed electricity generation. Titanium is a component of various superalloys and other applications that are used for aerospace applications, weapons systems, protective armor, medical implants, and many others. It also is used in pigments for paper, paint, and plastics. Rare earths are critical to electrification and decarbonization initiatives and can be used to manufacture the strongest permanent magnets commercially available.

Our primary business strategy is to advance our Elk Creek Project to commercial production. We are focused on obtaining additional funds to carry out our near-term planned work programs associated with securing the project financing necessary to complete mine development and construction of the Elk Creek Project.

Recent Corporate Events

On April 21, 2025, the Company closed an underwritten public offering (the “April 2025 Offering”), pursuant to the underwriting agreement, dated April 17, 2025 (the “April 2025 Underwriting Agreement”), with Maxim Group LLC (“Maxim”), as underwriter, pursuant to which the Company issued and sold (i) 6,628,846 Common Shares at a public offering price of $2.60 per Common Share and (ii) 1,063,462 pre-funded Common Share Purchase Warrants (the “April 2025 Pre-Funded Warrants”) to purchase up to an additional 1,063,462 Common Shares at a public offering price of $2.5999. The April 2025 Pre-Funded Warrants have an exercise price of $0.0001 per underlying Common Share, are exercisable immediately, and do not have an expiration date. On April 17, 2025, Maxim partially exercised its over-allotment option to purchase 323,504 additional Common Shares at the closing. The gross proceeds from the April 2025 Offering were approximately $20.8 million, before deducting underwriting discounts and offering expenses.

Elk Creek Project Update

During the quarter ended March 31, 2025, the Company completed negotiations with two landowners in Nebraska and entered into contract amendments which extended the option periods by approximately five years for each Option to Purchase agreement (“OTP”) covering two parcels of land for project construction and operation which the Company

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does not already own. The Company paid $90,000 upon closing of the OTP extensions and will make periodic payments totaling $23,000 over the extension period related to these contract amendments. With the closing of these two OTP extensions, along with four extensions closed earlier in fiscal year 2025, all substantive OTPs related to the project have expiration dates between December 2029 and May 2040.

On April 23, 2025, the Company announced the launch of a drilling campaign (the “Campaign”) designed to support the conversion of a portion of its current Indicated Resources into Measured Resources and the subsequent conversion of a portion of its current Probable Mineral Reserves into Proven Mineral Reserves at the Elk Creek Project. The Campaign will supplement previous exploratory drilling and will operate under existing permits issued by the State of Nebraska. The Campaign is intended to complement other technical and economic analyses necessary to update the feasibility study for the Elk Creek Project. An updated feasibility study is necessary as part of the due diligence process for up to $800 million in potential debt financing that NioCorp is seeking from EXIM, as further discussed under “Liquidity and Capital Resources” below.

Other Activities

The Company has developed and begun to execute a work plan to further advance the development of the Elk Creek Project. In addition to the expected updates to Mineral Resources and Mineral Reserves, noted above, the Company expects to finalize engineering and costing of its new and more efficient production process which incorporates the potential addition of light and heavy magnetic rare earth oxides, the planned production of titanium in the form of titanium tetrachloride, and the potential to produce both ferroniobium and niobium oxide as commercial products. In addition, the Company is examining plans to potentially modify the design of the mine to incorporate a twin ramp for access along with a Railveyor system for material movement instead of utilizing its currently planned vertical mining shafts. The updated mine design is expected to also incorporate updated costing. This work is expected to be summarized in an updated feasibility study for the Elk Creek Project.

In addition to the work plans noted above, as funds become available through the Company’s fundraising efforts, the Company expects to undertake the following activities to further advance the Elk Creek Project and the Company is assessing and prioritizing the timing of these efforts:

| ● | Acquisition of additional land parcels currently under OTP agreements;
| ● | Continued evaluation of the potential to produce rare earth products and sell such products under offtake agreements;
| ● | Negotiation and completion of offtake agreements for the remaining uncommitted production of niobium, scandium, and titanium from the Elk Creek Project, including the potential sale of titanium as titanium tetrachloride, as well as potential rare earth element production;
| ● | Negotiation and completion of engineering, procurement, and construction agreements;
| ● | Completion of the final detailed engineering for the underground portion of the Elk Creek Project;
| ● | Initiation and completion of the final detailed engineering for surface project facilities;
| ● | Construction of natural gas and electrical infrastructure under existing agreements to serve the Elk Creek Project site;
| ● | Completion of water supply agreements and related infrastructure to deliver fresh water to the Elk Creek Project site;
| ● | Continuation of mine groundwater investigation and control activities;
| ● | Initiation of long-lead equipment procurement activities;
| ● | Continuation of the Company’s efforts to secure federal, state, and local operating permits;
| ● | Completion of the characterization and testing of waste materials to support tailings impoundment and paste backfill plant designs; and
| ● | Continued engineering and costing of road improvements near the junction of Nebraska state highways 50 and 62, which are intended to facilitate access to the Elk Creek Project site and manage increased traffic in the project vicinity.

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Financial and Operating Results

The Company has no revenues from mining operations. Operating expenses incurred primarily related to costs incurred for the advancement of the Elk Creek Project and the activities necessary to support corporate and shareholder duties and are detailed in the following table.

|  | For the Three Months Ended March 31, |  | For the Nine Months Ended March 31, |
|  | 2025 |  |  | 2024 |  |  |  | 2025 |  |  | 2024 |
Operating expenses |  | ($000s) |
Employee-related costs |  | $ | 376 |  |  | $ | 2,531 |  |  |  | $ | 1,610 |  |  | $ | 3,181 |
Professional fees |  |  | 636 |  |  |  | 633 |  |  |  |  | 1,858 |  |  |  | 2,772 |
Exploration expenditures |  |  | 495 |  |  |  | 489 |  |  |  |  | 894 |  |  |  | 2,417 |
Other operating expenses |  |  | 1,092 |  |  |  | 1,457 |  |  |  |  | 2,533 |  |  |  | 3,100 |
Total operating expenses |  |  | 2,599 |  |  |  | 5,110 |  |  |  |  | 6,895 |  |  |  | 11,470 |
Change in fair value of Earnout Shares liability |  |  | 1,263 |  |  |  | (955 | ) |  |  |  | 510 |  |  |  | (3,854 | )
Change in fair value of warrant liabilities |  |  | 1,513 |  |  |  | (724 | ) |  |  |  | 620 |  |  |  | (580 | )
Change in fair values of convertible notes |  |  | - |  |  |  | - |  |  |  |  | 40 |  |  |  | - |
Interest expense |  |  | - |  |  |  | 1,016 |  |  |  |  | 48 |  |  |  | 4,267 |
Foreign exchange (gain) loss |  |  | (2 | ) |  |  | (27 | ) |  |  |  | 2 |  |  |  | (10 | )
Other gains |  |  | - |  |  |  | (195 | ) |  |  |  | (122 | ) |  |  | (195 | )
Loss on equity securities |  |  | 2 |  |  |  | - |  |  |  |  | 2 |  |  |  | 2 |
Income tax benefit |  |  | - |  |  |  | - |  |  |  |  | - |  |  |  | (101 | )
Net loss and comprehensive loss |  |  | (5,375 | ) |  |  | (4,225 | ) |  |  |  | (7,995 | ) |  |  | (10,999 | )
Less: Loss attributable to noncontrolling interest |  |  | (78 | ) |  |  | (169 | ) |  |  |  | (177 | ) |  |  | (439 | )
Net loss attributable to the Company |  | $ | (5,297 | ) |  | $ | (4,056 | ) |  |  | $ | (7,818 | ) |  | $ | (10,560 | )

Three-month period ended March 31, 2025 compared to the three-month period ended March 31, 2024

Significant items affecting operating expenses are noted below:

Employee-related expenditures decreased for the three-month period in 2025 as compared to 2024 primarily due to the timing of options issued to employees in 2024.

Other operating expenses include costs related to investor relations, general office expenditures, equity offering and proxy expenditures, board-related expenditures, and other miscellaneous costs. These costs decreased for the three-month period in 2025 as compared to 2024 primarily due to the timing of fully vested Options issued to board members and advisors in 2024, a decline in financial services spending, and lower general insurance costs, partially offset by the cybersecurity expense incurred in 2025 associated with a cybersecurity incident that resulted in misdirected vendor payments.

Other significant items impacting the change in the Company’s net loss are noted below:

Change in fair value of Earnout Shares liability represents the changes in fair value related to the shares of Class B common stock of Elk Creek Resource Corporation (“ECRC”), an indirect, majority-owned subsidiary of NioCorp formerly known as GX Acquisition Corp. II, the rights of the holders of which to exchange such shares into Common Shares are subject to certain vesting conditions (such shares of ECRC Class B common stock, the “Earnout Shares”). The 2025 expense represents the impact of an increase in the Company’s Common Share price on the financial modeling used to determine the period end fair values, whereas the 2024 gain represents the impact of a lower share price on the financial modeling results.

Change in fair value of warrant liabilities represents the changes in fair value of Common Share purchase warrants (“Warrants”) that are carried as liabilities in the condensed consolidated balance sheet. Expense for the three-month period ending March 31, 2025, reflects the impact of an increase in the Company’s Common Share price on the

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Black-Scholes modeling results for our outstanding Warrant liabilities, whereas the 2024 gain primarily represents the impact of a lower share price on the modeling at period end.

Interest expense decreased for the three-month period in 2025 as compared to 2024, as 2024 included accretion expense associated with the unsecured convertible debentures (the “Convertible Debentures”) issued to Yorkville in March 2023. The outstanding balance of the Convertible Debentures was substantially reduced during fiscal year 2024 and was fully retired in the first quarter of 2025.

Other Gains for the three-month period ended March 31, 2024, represents the change in fair value of Canadian dollar-denominated Options which were being carried as a liability.

Loss attributable to noncontrolling interest represents the portion of net loss in ECRC not owned by the Company.

Nine-month period ended March 31, 2025 compared to the nine-month period ended March 31, 2024

Significant items affecting operating expenses are noted below.

Employee-related expenditures decreased for the nine-month period in 2025 as compared to 2024 primarily due to a reduction in the number of options issued to employees and the impact of a lower stock price on the Black-Scholes modeling results.

Professional fees decreased for the nine-month period in 2025 as compared to 2024, primarily due to higher costs incurred in 2024 related to the timing of legal services associated with the Company’s SEC registration statements filed in October 2023, as well as increased audit fees associated with the Company’s June 30, 2023 financial statements and increased review fees in connection with the Company’s September 30, 2023 financial statements.

Exploration expenditures decreased for the nine-month period in 2025 as compared to 2024, as 2024 costs included operation of the demonstration-scale processing plant located in Trois-Rivieres, Quebec built by the Company and L3 Process Development (“L3”) and operated by L3 (the “Demonstration Plant”). Operation of the Demonstration Plant ended during the third quarter of fiscal year 2024.

Other operating expenses decreased for the nine-month period in 2025 as compared to 2024 primarily due to a decrease in director and officer insurance expense, the timing of fully vested Options issued to board members and advisors, and declines in scandium development initiatives and financial-related services, partially offset by the cybersecurity expense incurred in 2025 associated with a cybersecurity incident that resulted in misdirected vendor payments.

Overall, changes in the fair value of Earnout Shares and Warrant liabilities, and the decline in interest expense were based on the same factors that impacted the three-month results noted above.

Liquidity and Capital Resources

We have no revenue generating operations from which we can internally generate funds. To date, our ongoing operations have been financed by the sale of our equity securities by way of public and private offerings, convertible securities issuances, the exercise of Options and Warrants, and related party loans. With respect to currently outstanding Options and Warrants, we believe that exercise of these instruments, and cash proceeds from such exercises, will not occur unless and until the market price for our Common Shares equals or exceeds the related exercise price of each instrument.

On April 12, 2024, the Company issued and sold to Yorkville and Lind Global Fund II (“Lind II” and, together with Yorkville, the “April 2024 Purchasers”), $8.0 million aggregate principal amount of unsecured notes (the “April 2024 Notes”), pursuant to a securities purchase agreement, dated April 11, 2024, between the Company and each of the April 2024 Purchasers. The Company also issued to the April 2024 Purchasers, in proportion to the aggregate principal amount of the April 2024 Notes issued to each April 2024 Purchaser, Warrants to purchase up to 615,385 Common Shares. All remaining amounts due to Lind II ($176,000) and Yorkville ($1.0 million) under the April 2024 Notes were repaid on January 6, 2025, And February 7, 2025, respectively.

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On September 11, 2024, the Company and Mark Smith entered into the Loan Agreement, by and between the Company and Mark Smith (the “Smith Loan Agreement”), which provides for a $2.0 million non-revolving credit facility (the “Smith Loan”). A total of $504,000 was subsequently drawn down, and subsequently the Company repaid $508,000, representing the balance of the interest and principal outstanding under the Smith Loan, plus $41,000 related to the loan origination fees payable.

On November 5, 2024, the Company closed an underwritten public offering (the “November 2024 Registered Offering”), pursuant to the underwriting agreement, dated November 3, 2024, with Maxim, as underwriter, which consisted of 1,592,356 Common Shares, 1,672,090 Series A warrants to purchase up to an additional 1,672,090 Common Shares and 836,045 Series B warrants to purchase up to 836,045 Common Shares.

On November 13, 2024, the Company closed a non-brokered private placement (the “November 2024 Private Offering”) pursuant to binding subscription agreements with certain accredited investors as part of a non-brokered private placement of 2,199,602 units of the Company (the “November 2024 Units”). Each November 2024 Unit consists of one Common Share, one Series A warrant to purchase up to an additional Common Share and one-half of one Series B warrant to purchase up to one-half of one Common Share.

On January 31, 2025, the Company closed an underwritten public offering (the “January 2025 Offering”), pursuant to the underwriting agreement, dated January 29, 2025, with Maxim, as underwriter, which consisted of 2,577,320 Common Shares, 2,577,320 Series A warrants to purchase up to an additional 2,577,320 Common Shares and 1,288,660 Series B warrants to purchase up to 1,288,660 Common Shares.

The combined gross proceeds from the November 2024 Registered Offering, the November 2024 Private Offering, and the January 2025 Offering were approximately $11.0 million, before deducting underwriting discounts and offering expenses. These proceeds were used for working capital and general corporate purposes, to repay amounts outstanding on the Smith Loan, to repay the April 2024 Notes, and to a limited degree, to advance efforts to launch construction of the Elk Creek Project and move it to commercial operation.

As of March 31, 2025, the Company had cash of $1.3 million and working capital of $0.3 million, compared to cash of $2.0 million and a working capital deficit of $9.0 million on June 30, 2024.

We expect that the Company will operate at a loss for the foreseeable future. The Company’s current planned cash needs are approximately $23.0 million for the next twelve months. In addition to outstanding accounts payable and short-term liabilities, our planned expenditures over the next twelve months are expected to consist of expenditures relating to certain advancements of the Elk Creek Project by NioCorp’s majority owned subsidiary, ECRC, corporate overhead costs and estimated costs related to securing financing necessary for advancement of the Elk Creek Project.

The planned corporate overhead costs include Elk Creek property lease commitments, which are $22,000 through June 30, 2025, and outstanding accounts payable.

The estimated financing costs associated with the Elk Creek Project over the next twelve months include, but are not limited to, costs relating to the EXIM application process, the scope of which remains under discussion with EXIM. On June 6, 2023, the Company announced that it had submitted an application to EXIM for debt financing (the “EXIM Financing”) to fund the project costs for the Elk Creek Project, under EXIM’s “Make More in America” initiative. The EXIM Financing is subject to, among other matters, the satisfactory completion of due diligence, the negotiation and settlement of final terms, and the negotiation of definitive documentation. There can be no assurance that the EXIM Financing will be completed on the terms described herein or at all. The Company was informed that its application received approval by the first of three reviews by the EXIM Transaction Review Committee (the “TRC”) on October 2, 2023. During the quarter, EXIM continued to process the Company’s application for debt financing under EXIM’s Make More in America Program. The Company’s application sits at TRC in the second step in EXIM’s four-step approval process. The Company continues to meet with EXIM as well as providing responses to requests for additional information from EXIM and to the consultants that are conducting due diligence on the Company’s application on behalf of EXIM. As part of the diligence process, EXIM has identified additional project activities to be undertaken, including, among other things, an updated mine plan and updated Elk Creek Project capital costs on a final or close-to-final basis reflecting updated process flows. However, there can be no assurance what further project activities or matters EXIM may request in connection with the application process. We are currently unable to estimate how long the application process may

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take, and there can be no assurances that we will be able to successfully negotiate a final commitment of debt financing from EXIM.

The planned expenditures relating to the advancement of the Elk Creek Project over the next twelve months include, but are not limited to, an updated mine plan and updated capital costs in connection with the EXIM application process.

The gross proceeds from the April 2025 Offering were approximately $20.8 million, before deducting underwriting discounts and offering expenses of approximately $2.0 million. In addition, during the period from April 1, 2025 through May 8, 2025, the Company issued Common Shares under the Yorkville Equity Facility Financing Agreement and through the exercise of Warrants by their holders. As a result of these transactions, the Company received cash totaling approximately $3.6 million and issued 1,568,694 Common Shares. We expect to use the proceeds from the April 2025 Offering, the Yorkville Equity Facility Financing Agreement, and the Warrant exercise issuances noted above, to fund our planned expenditures for the next twelve months. However, additional work is required in order to advance the Elk Creek Project, and if the Company were able to obtain additional funding, the Company would be able to accelerate planned expenditures ahead of its current schedule. In addition, to the extent that EXIM requests further project activities to be undertaken in connection with the diligence process, the Company would require additional funding to complete such activities. The Company’s ability to continue operations and fund our current work plan is dependent on management’s ability to secure additional financing.

When available, the Yorkville Equity Facility Financing Agreement provides an opportunity to actively manage the cash needs of the Company more closely, and the Company may also utilize the Yorkville Equity Facility Financing Agreement to potentially generate funds at a time when they are in need. Alternatively, the Company can also utilize the Yorkville Equity Facility Financing Agreement for opportunistic share sales. However, the Yorkville Equity Facility Financing Agreement will expire by its terms on April 1, 2026.

Except for the potential funding from advances under the Yorkville Equity Facility Financing Agreement, as discussed above, and the potential exercise of Options and Warrants, we currently have no further funding commitments or arrangements for additional financing at this time. Management is actively pursuing additional sources of debt and equity financing, and while it has been successful in doing so in the past, there is no assurance that we will be able to obtain any such additional financing on acceptable terms, if at all. Pursuant to the Exchange Agreement, dated as of March 17, 2023 (as amended, supplemented or otherwise modified, the “Exchange Agreement”), by and among NioCorp, ECRC and the Sponsor, NioCorp is restricted from issuing equity or equity-linked securities (other than Common Shares) or any preferred equity or non-voting equity if such issuance would adversely impact the rights of the holders of the shares of Class B common stock of ECRC, without the consent of the holders of a majority of the shares of Class B common stock of ECRC. The April 2025 Underwriting Agreement also contains certain covenants that, among other things, limit NioCorp’s ability to enter into any variable rate transaction, including issuances of equity or debt securities that are convertible into Common Shares at variable rates and any equity line of credit, at-the-market agreement or other continuous offering of Common Shares, subject to certain exceptions, until July 2025. Notwithstanding the restrictions set forth in the Exchange Agreement and the April 2025 Underwriting Agreement, there is significant uncertainty that we would be able to secure any additional financing in the current equity or debt markets. The quantity of funds to be raised and the terms of any proposed equity or debt financing that may be undertaken will be negotiated by management as opportunities to raise funds arise. Management may pursue funding sources of both debt and equity financing, including but not limited to the issuance of equity securities in the form of Common Shares, Warrants, subscription receipts, or any combination thereof in units of the Company pursuant to private placements to accredited investors or pursuant to public offerings in the form of underwritten/brokered offerings, registered direct offerings, or other forms of equity financing and public or private issuances of debt securities, including secured and unsecured convertible debt instruments, or secured debt project financing. Management does not currently know the terms pursuant to which such financings may be completed in the future, but any such financings will be negotiated at arm’s-length. Future financings involving the issuance of equity securities or derivatives thereof will likely be completed at a discount to the then-current market price of the Company’s securities and will likely be dilutive to current shareholders. In addition, we could raise funds through the sale of interests in our mineral properties, although current market conditions and other recent worldwide events have substantially reduced the number of potential buyers/acquirers of any such interests. However, we cannot provide any assurances that we will be able to be successful in raising such funds.

Based on the conditions described within, management has concluded, as supported by the notes that accompany our financial statements for the year ended June 30, 2024, that substantial doubt exists as to our ability to continue as a going concern. The interim condensed consolidated financial statements included in this Quarterly Report on Form 10-Q have been prepared under the assumption that we will continue as a going concern. As defined under S-K 1300, we are a development stage issuer and we have incurred losses since our inception. We may not have sufficient cash, including Option and Warrant exercises subsequent to March 31, 2025, to fund normal operations for the next twelve months from the issuance date of this Quarterly Report on Form 10-Q without raising additional funds.

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The Company will require additional capital to meet its long-term operating requirements. Uncertainty in capital markets, supply chain disruptions, increased interest rates and inflation, and the potential for geographic recessions have contributed to general global economic uncertainty. During the three months ended March 31, 2025, these events continued to create uncertainty with respect to overall project funding and timelines. We believe that the going concern uncertainty cannot be alleviated with confidence until the Company has entered into a business climate where funding of its planned ongoing operating activities is secured. Therefore, these factors raise substantial doubt as to our ability to continue as a going concern.

We have no exposure to any asset-backed commercial paper. Other than cash held by our subsidiaries for their immediate operating needs in Colorado and Nebraska, all of our cash reserves are on deposit with major U.S. and Canadian chartered banks. We do not believe that the credit, liquidity, or market risks with respect thereto have increased as a result of the current market conditions. However, in order to achieve greater security for the preservation of our capital, we have, of necessity, been required to accept lower rates of interest, which has also lowered our potential interest income.

Operating Activities

During the nine months ended March 31, 2025, the Company’s operating activities consumed $5.9 million of cash (2024: $5.6 million). The cash used in operating activities for the nine months ended March 31, 2025, reflects the Company’s funding of losses of $8.0 million, increased fair value related to the Earnout Shares and Warrant liabilities, share-based compensation, and other non-cash transactions. Overall, operational outflows during the nine months ended March 31, 2025, decreased from the corresponding period of 2024 due to costs and expenditures incurred in connection with the Company’s Demonstration Plant. Going forward, the Company’s working capital requirements are expected to increase substantially in connection with the development of the Elk Creek Project.

Financing Activities

Financing inflows were $5.2 million during the nine months ended March 31, 2025 (2024 inflows: $3.5 million), with 2025 inflows reflecting the gross receipts of $11.0 million from the equity offerings, $3.1 million from Common Share issuances under the Yorkville Equity Facility Financing Agreement, and $0.4 million from warrant exercises, offset by $7.2 million of convertible debt repayments and $2.1 million of share issuance costs.

Cash Flow Considerations

The Company has historically relied upon debt and equity financings to finance its activities. Subject to the restrictions set forth in the Exchange Agreement and the April 2025 Underwriting Agreement, the Company may pursue additional debt and/or equity financing in the medium term; however, there can be no assurance the Company will be able to obtain any required financing in the future on acceptable terms, or at all.

The Company has limited financial resources compared to its proposed expenditures, no source of operating income, and no assurance that additional funding will be available to it for current or future projects, although the Company has been successful in the past in financing its activities through the sale of equity securities.

The ability of the Company to arrange additional financing in the future will depend, in part, on the prevailing capital market conditions, and its success in developing the Elk Creek Project. Any quoted market for the Common Shares may be subject to market trends generally, notwithstanding any potential success of the Company in creating revenue, cash flows, or earnings, and any depression of the trading price of the Common Shares could impact its ability to obtain equity financing on acceptable terms.

Historically, the Company has used net proceeds from issuances of Common Shares to provide sufficient funds to meet its near-term exploration and development plans and other contractual obligations when due. However, development and construction of the Elk Creek Project will require substantial additional capital resources. This includes near-term funding and, ultimately, funding for Elk Creek Project construction and other costs. See “Liquidity and Capital Resources” above for the Company’s discussion of arrangements related to possible future financings.

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Critical Accounting Estimates

There have been no material changes in our critical accounting estimates discussed in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” under the heading “Critical Accounting Estimates and Recent Accounting Pronouncements” as of June 30, 2024, in the Annual Report on Form 10-K.

Certain U.S. Federal Income Tax Considerations

If NioCorp (or a subsidiary) is a PFIC for any taxable year (or portion thereof) that is included in the holding period of a U.S. holder of Common Shares or other NioCorp securities (as determined under applicable U.S. federal income tax law), then certain significant adverse tax consequences could apply to such U.S. holder, including requirements to treat any gain realized upon a disposition of Common Shares (or other securities) as ordinary income, to include certain “excess distributions” on Common Shares in income, and to pay an interest charge on a portion of any such gain or distribution. NioCorp believes that it was classified as a PFIC during the taxable years ended June 30, 2024 and 2023, and, based on the current composition of its income and assets, as well as current business plans and financial expectations, that it may be classified as a PFIC for its current taxable year or in future taxable years. No opinion of legal counsel or ruling from the Internal Revenue Service (the “IRS”) concerning the PFIC status of NioCorp or any subsidiary has been obtained or is currently planned to be requested. The determination of whether any corporation was, or will be, a PFIC for a taxable year depends, in part, on the application of complex U.S. federal income tax rules, which are subject to differing interpretations. In addition, whether any corporation will be a PFIC for any taxable year depends on the assets and income of such corporation over the course of each such taxable year and, as a result, cannot be predicted with certainty as of the date of this Quarterly Report on Form 10-Q. In addition, even if NioCorp concluded that it or any subsidiary was not classified as a PFIC, the IRS could challenge such determination and a court could sustain the challenge. Accordingly, there can be no assurance that NioCorp or any subsidiary will not be classified as a PFIC for any taxable year. Each holder of Common Shares or other NioCorp securities should consult its own tax advisors regarding the PFIC status of NioCorp and each subsidiary thereof and the resulting tax consequences to the holder, as well as any potential to mitigate such tax consequences through a “QEF” or “mark-to-market” election. See the “Risk Factors” section of the Annual Report on Form 10-K.

Other

The Company has one class of shares, being Common Shares. A summary of outstanding Common Shares, Options, and Warrants as of May 8, 2025, is set out below, on a fully diluted basis.

| Common Shares Outstanding (Fully Diluted)
Common Shares | 55,709,163
Vested shares of ECRC Class B common stock (1) | 3,934,031
Options (2) | 3,070,000
Warrants (3) | 30,115,463

| (1) | Each exchangeable into one Common Share at any time, and from time to time, until March 17, 2033.
| (2) | Each exercisable into one Common Share.
| (3) | Includes 15,666,626 NioCorp Assumed Warrants that are each exercisable into 1.11829212 Common Shares and 14,448,837 Warrants that are each exercisable into one Common Share.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Interest rate risk

The Company’s exposure to changes in market interest rates relates primarily to the Company’s earned interest income on cash deposits and short-term investments. The Company maintains a balance between the liquidity of cash assets and the interest rate return thereon. The carrying amount of financial assets, net of any provisions for losses, represents the Company’s maximum exposure to credit risk.

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Foreign currency exchange risk

The Company incurs expenditures in both U.S. dollars and Canadian dollars. Canadian dollar expenditures are primarily related to certain Common Share-related costs and corporate professional services. As a result, currency exchange fluctuations may impact the costs of our operating activities. To reduce this risk, we maintain sufficient cash balances in Canadian dollars to fund expected near-term expenditures.

Commodity price risk

The Company is exposed to commodity price risk related to the elements associated with the Elk Creek Project. A significant decrease in the global demand for these elements may have a material adverse effect on our business. The Elk Creek Project is not in production, and the Company does not currently hold any commodity derivative positions.

ITEM 4. CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

The management of NioCorp Developments Ltd. has evaluated, under the supervision of and with the participation of our management, including the Chief Executive Office (“CEO”) and the Chief Financial Officer (“CFO”), the effectiveness of the design and operations of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of March 31, 2025. Based on that evaluation, the CEO and the CFO have concluded that, as of March 31, 2025, our disclosure controls and procedures were not effective due to the material weaknesses in internal control over financial reporting described below.

Notwithstanding the material weaknesses in our internal control over financial reporting, our CEO and CFO have concluded that the interim condensed consolidated financial statements included in this Quarterly Report on Form 10-Q fairly present, in all material respects, our financial position, results of operations and cash flows for the periods presented in conformity with U.S. GAAP.

Material Weaknesses in Internal Control over Financial Reporting Existing as of March 31, 2025

The management of NioCorp Developments Ltd. is responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rules 13a-15(f) and 15d-15(f) of the Exchange Act for the Company. Management assessed the effectiveness of our internal control over financial reporting as of March 31, 2025. In making this assessment, our management used the criteria set forth in the Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (the “COSO Framework”). Based on that evaluation, the CEO and the CFO have concluded that, as of March 31, 2025, our internal control over financial reporting was not effective due to the material weaknesses in internal control over financial reporting described below.

Material Weaknesses

A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of our annual or interim consolidated financial statements will not be prevented or detected on a timely basis.

Management concluded that the material weaknesses disclosed in the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2024, continued to exist as of March 31, 2025. Specifically, management identified deficiencies in the principles associated with the control environment, risk assessment, control activities, and monitoring components of internal control, based on the criteria established by the COSO Framework, that constitute material weaknesses, either individually or in the aggregate.

| ● | Control Environment: The Company does not have sufficient personnel with the appropriate levels of knowledge, experience, and training in accounting and internal control over financial reporting commensurate with the complexity of the Company’s financing transactions and associated reporting requirements. This material weakness contributed to additional material weaknesses further described below.

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| ● | Risk Assessment: The Company does not have a formal process to identify, update, and assess financial reporting risks due to changes in the Company’s business practices, including entering into increasingly complex transactions that could significantly impact the design and operation of the Company’s control activities.

| ● | Control Activities: Management did not maintain effective controls over:

| o | monitoring and assessing the work of third-party specialists, including the evaluation of the appropriateness of accounting conclusions, and

| o | the evaluation of certain inputs and assumptions used to estimate the fair value of instruments and features associated with complex debt and equity transactions.

| ● | Monitoring Activities: Management did not appropriately:

| o | select, develop, and perform ongoing evaluation to ascertain whether the components of internal controls are present and functioning, and

| o | evaluate and communicate internal control deficiencies in a timely manner to those parties responsible for taking corrective action.

As previously disclosed, these material weaknesses resulted in errors that required the restatement of Company’s consolidated financial statements as of and for the fiscal years ended June 30, 2022 and 2021, as well as the restatement of the Company’s condensed consolidated financial statements as of and for the interim periods ended September 30, 2021, December 31, 2021, March 31, 2022, September 30, 2022, and December 31, 2022. Additionally, these material weaknesses could result in a misstatement of the account balances or disclosures that would result in a material misstatement to the annual or interim consolidated financial statements that would not be prevented or timely detected.

Remediation Plan for the Material Weaknesses

To address our material weaknesses existing as of March 31, 2025, we have implemented a detailed plan to address each individual material weakness identified, including the following:

| ● | We have, and will continue, to engage outside accounting and internal control consultants with subject matter expertise to supplement our level of knowledge, experience, and training in accounting and internal control over financial reporting.

| ● | We have developed a formal risk assessment process requiring periodic review and updates of current risks and internal controls, as well as a focus on potential future events that could result in additional risks and/or internal control lapses. This process is expected to enable us to effectively identify, develop, evolve, and implement controls and procedures to address risks, and results of this risk assessment process will be reviewed with the Audit Committee on a quarterly basis.

| ● | We have developed an initial training plan to provide incremental training to accounting and finance personnel responsible for overall technical accounting and valuation-related transactions.

| ● | Management is developing a monitoring program to periodically evaluate and assess whether those responsible for controls are conducting their activities in accordance with their design, such that there is contemporaneous evidence that the controls are present and functioning and will communicate internal control deficiencies in a timely manner to those parties responsible for taking corrective action.

The process of designing and maintaining effective internal control over financial reporting is a continuous effort that requires management to anticipate and react to changes in our business, economic and regulatory environments and to expend significant resources. As we continue to evaluate our internal control over financial reporting, we may take additional actions to remediate the material weaknesses or modify the remediation actions described above.

While we continue to devote significant time and attention to these remediation efforts, the material weaknesses will not be considered remediated until management completes the design and implementation of the actions described above and the controls operate for a sufficient period of time, and management has concluded, through testing, that these controls are effective.

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Changes in Internal Control over Financial Reporting

Other than as discussed above, there has been no change in our internal control over financial reporting during the quarter ended March 31, 2025, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II — OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

We know of no material, active, or pending legal proceedings against the Company, nor are we involved as a plaintiff in any material proceeding or pending litigation. There are no proceedings in which any of our directors, officers, or affiliates, or any registered or beneficial shareholder, is an adverse party or has a material interest adverse to our interest.

ITEM 1A. RISK FACTORS

There have been no changes to the risk factors set forth under the heading “Risk Factors” in the Annual Report on Form 10-K.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Recent Sales of Unregistered Securities

The Company issued and sold the following Common Shares in reliance on Section 4(a)(2) of the Securities Act in connection with the closing of advances under the Yorkville Equity Facility Financing Agreement and based upon representations and warranties of Yorkville in connection therewith:

Date |  |  | Gross Proceeds ($000s) |  |  | Shares Issued |  |  | Price/Share ($) |
January 15, 2025 |  |  | $ | 150.0 |  |  |  | 99,000 |  |  | $ | 1.5141 |
January 21, 2025 |  |  |  | 177.0 |  |  |  | 114,000 |  |  |  | 1.5522 |
January 24, 2025 |  |  |  | 203.4 |  |  |  | 126,000 |  |  |  | 1.6146 |
March 6, 2025 |  |  |  | 529.1 |  |  |  | 250,000 |  |  |  | 2.1162 |
March 11, 2025 |  |  |  | 226.7 |  |  |  | 120,000 |  |  |  | 1.8880 |

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Pursuant to Section 1503(a) of the Dodd-Frank Act, issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose specified information about mine health and safety in their periodic reports. These reporting requirements are based on the safety and health requirements applicable to mines under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) which is administered by the U.S. Department of Labor’s Mine Safety and Health Administration (“MSHA”). During the three-month period ended March 31, 2025, the Company and its subsidiaries and their properties or operations were not subject to regulation by MSHA under the Mine Act and thus no disclosure is required under Section 1503(a) of the Dodd-Frank Act.

ITEM 5. OTHER INFORMATION

Rule 10b5-1 Trading Arrangements

During the quarter ended March 31, 2025, no director or officer (as defined in Rule 16a-1(f) promulgated under the Exchange Act) of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as each term is defined in Item 408 of Regulation S-K).

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ITEM 6. EXHIBITS

Exhibit No. |  | Title
3.1(1) |  | Notice of Articles dated April 5, 2016
3.2(1) |  | Articles, as amended, effective as of January 27, 2015
3.3(2) |  | Amendment to Articles, effective March 17, 2023
4.1(3) |  | Form of January 2025 Series A Warrant
4.2(3) |  | Form of January 2025 Series B Warrant
4.3(4) |  | Consent and Waiver, dated as of January 3, 2025, between NioCorp Developments Ltd. and YA II PN, Ltd.
4.4(5) |  | Form of April 2025 Pre-Funded Warrant
10.1(3) |  | Underwriting Agreement, dated as of January 29, 2025, by and between NioCorp Developments Ltd. and Maxim Group LLC
10.2(5) |  | Underwriting Agreement, dated as of April 17, 2025, by and between NioCorp Developments Ltd. and Maxim Group LLC
31.1 |  | Certification of Chief Executive Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2 |  | Certification of Chief Financial Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), 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(6) |  | Inline XBRL Instance Document
101.SCH(6) |  | Inline XBRL Taxonomy Extension- Schema
101.CAL(6) |  | Inline XBRL Taxonomy Extension – Calculations
101.DEF(6) |  | Inline XBRL Taxonomy Extension – Definitions
101.LAB(6) |  | Inline XBRL Taxonomy Extension – Labels
101.PRE(6) |  | Inline XBRL Taxonomy Extension – Presentations
104 |  | Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

| # | Management compensation plan, arrangement, or agreement.
| (1) | Previously filed as an exhibit to the Company’s Draft Registration Statement on Form S-1 (Registration No. 377-01354) submitted to the SEC on July 26, 2016, and incorporated herein by reference.
| (2) | Previously filed as an exhibit to the Company’s Current Report on Form 8-K (File No. 001-41655) filed with the SEC on March 17, 2023, and incorporated herein by reference. |
| (3) | Previously filed as an exhibit to the Company’s Current Report on Form 8-K (File No. 001-41655) filed with the SEC on January 31, 2025, and incorporated herein by reference. |
| (4) | Previously filed as an exhibit to the Company’s Quarterly Report on Form 10-Q (File No. 001-41655) filed with the SEC on February 7, 2025, and incorporated herein by reference. |
| (5) | Previously filed as an exhibit to the Company’s Current Report on Form 8-K (File No. 001-41655) filed with the SEC on April 21, 2025, and incorporated herein by reference. |
| (6) | Submitted Electronically Herewith. Attached as Exhibit 101 to this report are the following formatted in inline XBRL (Extensible Business Reporting Language): (i) the Interim Condensed Consolidated Balance Sheets as of March 31, 2025 and June 30, 2024, (ii) the Interim Condensed Consolidated Statements of Operations and Comprehensive Loss for the Three and Nine Months ended March 31, 2025 and 2024, (iii) the Interim Condensed Consolidated Statements of Cash Flows for the Nine Months ended March 31, 2025 and 2024, (iv) the Interim Condensed Consolidated Statements of Shareholders’ Equity (Deficit) and Redeemable Noncontrolling Interest for the Three and Nine Months ended March 31, 2025 and 2024 and (v) the Notes to the Interim Condensed Consolidated Financial Statements. |

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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.

NIOCORP DEVELOPMENTS LTD.

(Registrant)

By: | /s/ Mark A. Smith |
| Mark A. Smith |
| President, Chief Executive Officer and Executive Chairman |
| (Principal Executive Officer) |
Date: May 8, 2025 |
By: | /s/ Neal Shah |
| Neal Shah |
| Chief Financial Officer |
| (Principal Financial and Accounting Officer) |
Date: May 8, 2025 |

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