Rio Tinto Lobbies on Critical Minerals and Section 232

Why It Matters

Rio Tinto Services Inc., a mining-industry organization, filed its in-house lobbying disclosure for the third quarter of 2026 covering seven issue areas. The filing discloses lobbying on mining reform, critical minerals and permitting reform, environmental issues affecting the U.S. mining industry (including recycling policy and air and water rules), market access for minerals produced in the United States, Section 232's impact on U.S. consumers, the National Defense Authorization Act (NDAA) and U.S. critical minerals supply, infrastructure issues, and budget reconciliation. On taxes, the disclosure identifies HR 1 and the Made in America tax plan as they relate to the corporate rate, the Base Erosion and Anti-Abuse Tax (BEAT), the Organization for Economic Co-operation and Development (OECD) rules, and intangible income.

By the Numbers

The third-quarter 2026 report, signed on October 2, discloses $350,000 in in-house lobbying expenses, with Rio Tinto Services Inc. serving as both the registrant and the client. In-house spending was $380,000 in each of the third and fourth quarters of 2025, then fell to $350,000 beginning with the first quarter of 2026, holding steady through the current filing.

The in-house team on this filing lists four lobbyists: Nick Matiella, Director, Federal and State Partnerships and Engagement; Virginia Hamisevicz, Director, U.S. Government Relations; Del Renigar, Vice President, External Affairs; and Jenna Schroeder, Director, U.S. Government Relations. Matiella brings prior Senate staff experience, including on the Senate Energy and Natural Resources Committee and the Senate Indian Affairs Committee.