2nd Quarter - Report — CORNERSTONE GOVERNMENT AFFAIRS, INC. for 3 PROTON LITHIUM INC. (2026)

Firm

CORNERSTONE GOVERNMENT AFFAIRS, INC.

Client

3 PROTON LITHIUM INC.

Income

$50,000

Expenses

—

What was lobbied

2 issue areas, each in the filer's own words, with who lobbied on it and where.

Natural Resources NAT

Helping 3PL engage with the appropriate federal agencies and members of congress regarding a lithium find on public lands (contacted the National Energy Dominance Council).

Lobbyist	Covered position, as disclosed
MICHAEL CUZZI	—
ELIZABETH TEED GRIFFIN	Legislative Assistant, House Member Office (Westerman)
BRIAN HACKLER	Deputy Chief of Staff, U.S. Senate; State Director, U.S. Senate; Field Representative, U.S. Senate; Non-commissioned Officer, U.S. Marine Corps.
JAMES RICHARDS	COS House Member Office (Pearce); Director IGA USDA; Appropriations Associate House Member Office (Skeen & Bonilla)
SARAH VENUTO	Senior Advisor(Manchin); Counsel, Comm Energy & Natural Resources Chief Counsel; Chief Counsel (Manchin); Staff Director, Comm on Energy & Natural Resources; Director, Office of External Affairs, Federal Energy Regulatory Commission

Contacted: Commerce, Dept of (DOC); Export-Import Bank of the United States (EXIM Bank); HOUSE OF REPRESENTATIVES; Executive Office of the President (EOP); SENATE; Bureau of Land Management (BLM); Natl Security Council (NSC); Interior, Dept of (DOI)

Defense DEF

Issues related to critical mineral resources and the potential of government investment in the project.

Lobbyist	Covered position, as disclosed
MICHAEL CUZZI	—
BRIAN HACKLER	Deputy Chief of Staff, U.S. Senate; State Director, U.S. Senate; Field Representative, U.S. Senate; Non-commissioned Officer, U.S. Marine Corps.

Contacted: Defense, Dept of (DOD)

Shown as published by the Senate Office of Public Records and the House Clerk under the Lobbying Disclosure Act. The official filing is the record; open it for the full form.