MP MATERIALS CORP.

Lobbying Spend

—

Filings

Firms Hired

Active Period

2026

Lobbying Spend by Year

Client-reported lobbying expenses on LDA filings

Year	Lobbying Spend	Filings	Firms
2026	—	3	1

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

Firm Name	Reported Spend	Filings
PIONEER PUBLIC AFFAIRS	—	3

Government entities explicitly identified as targets in LDA filings

Government Body	Filings
HOUSE OF REPRESENTATIVES	2
SENATE	2

Most frequently reported lobbying issues

Issue Code	Description	Reports
Energy/Nuclear	Energy/Nuclear	3
Defense	Defense	3
Taxation/Internal Revenue Code	Taxation/Internal Revenue Code	1

MP MATERIALS CORP. — Lobbying Disclosure | Poliscope