CORNERSTONE GOVERNMENT AFFAIRS OBO 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	—	3	1

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

Firm Name	Reported Spend	Filings
DININO ASSOCIATES, LLC	—	22

Government entities explicitly identified as targets in LDA filings

Government Body	Filings
SENATE	15
HOUSE OF REPRESENTATIVES	14
Natl Aeronautics & Space Administration (NASA)	2
Bureau of Land Management (BLM)	1

Most frequently reported lobbying issues

Issue Code	Description	Reports
Natural Resources	Natural Resources	17

CORNERSTONE GOVERNMENT AFFAIRS OBO 3 PROTON LITHIUM INC. — Lobbying Disclosure | Poliscope