---
schema_version: "secwatch.filing_event.v1"
accession: "0001539497-25-002036"
form_type: "8-K"
ticker: "NB"
cik: "0001512228"
company_name: "NIOCORP DEVELOPMENTS LTD"
filed_at: "2025-08-06T23:59:59+00:00"
generated_at: "2026-05-17T19:14:56.774728+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# NioCorp subsidiary signs $10M U.S. DoD reimbursement agreement for Elk Creek project

## Summary
- Subsidiary ECRC entered a Project Sub-Agreement with ATI on behalf of U.S. DoD for up to $10M in cost reimbursements.
- Milestones include new drilling, scandium metal/master-alloy engineering, and a new feasibility study at Elk Creek.
- Reimbursement subject to cost co-share; DoD may terminate if in U.S. government's best interests.
- Base Agreement was dated July 23, 2025; Agreement contains customary U.S. government terms.

## SEC filing metadata
- accession: 0001539497-25-002036
- form_type: 8-K
- ticker: NB
- cik: 0001512228
- company_name: NIOCORP DEVELOPMENTS LTD
- filed_at: 2025-08-06T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1512228/000153949725002036/0001539497-25-002036-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1512228/000153949725002036/n2574_x269-8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001539497-25-002036
- JSON: https://secwatch.observer/filing/0001539497-25-002036.json
- Plain text: https://secwatch.observer/filing/0001539497-25-002036.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.