3 PROTON LITHIUM INC.

Lobbying Spend

—

Filings

Firms Hired

Active Period

2021–2026

Lobbying Spend by Year

Client-reported lobbying expenses on LDA filings

Year	Lobbying Spend	Filings	Firms
2026	—	3	1
2025	—	4	1
2024	—	4	1
2023	—	4	1
2022	—	4	1
2021	—	2	1

Lobbying firms retained by this client; amounts are client-reported expenses when available

Firm Name	Reported Spend	Filings
CORNERSTONE GOVERNMENT AFFAIRS, INC.	—	21

Government entities explicitly identified as targets in LDA filings

Government Body	Filings
HOUSE OF REPRESENTATIVES	20
SENATE	20
Bureau of Land Management (BLM)	16
Interior, Dept of (DOI)	8
Executive Office of the President (EOP)	6
Natl Aeronautics & Space Administration (NASA)	6
Natl Security Council (NSC)	6
Export-Import Bank of the United States (EXIM Bank)	5
Commerce, Dept of (DOC)	4
Defense, Dept of (DOD)	2
Energy, Dept of	1

Most frequently reported lobbying issues

Issue Code	Description	Reports
Natural Resources	Natural Resources	21
Defense	Defense	2

3 PROTON LITHIUM INC. — Lobbying Disclosure | Poliscope