Vulcan Calls Insignificant Award After ICSID Ruling on Calica, Insists Mexico Violated NAFTA

Playa del Carmen, Quintana Roo — Vulcan Materials Company broke its silence after the International Centre for Settlement of Investment Disputes (ICSID) issued its final award in the arbitration against Mexico, calling the compensation it received “insignificant” while insisting that the tribunal found Mexico violated several provisions of the North American Free Trade Agreement (NAFTA).

In a brief, three-paragraph statement, the U.S. company acknowledged that the ICSID tribunal had determined Mexico breached NAFTA in multiple respects regarding restrictions placed on its subsidiary, Calizas Industriales del Carmen (Calica), which operated limestone quarries in Quintana Roo. However, Vulcan highlighted that the financial compensation was minimal. The full award remains confidential until officially published by the ICSID, likely within weeks.

Mexico’s Economy Ministry presented a starkly different interpretation, describing the ruling as overwhelmingly favorable to the country. It stated that the tribunal dismissed virtually all of Vulcan’s claims, upholding only one: a measure concerning the closure of one Calica site in January 2018. That single finding represents less than 1 percent of the over $1.5 billion Vulcan originally sought in damages for actions taken between 2018 and 2022 that it said harmed its Mexican operations.

Although the exact compensation amount remains confidential under ICSID rules, reports suggest it is close to $15 million — a fraction of the initial claim. Vulcan itself described the sum as “insignificant.”

A Nearly Decade-Long Conflict

The dispute stems from restrictions Mexican authorities placed on Calica’s limestone extraction activities, which for decades had supplied crushed stone primarily to the U.S. market from quarries south of Playa del Carmen. The conflict escalated in 2022 when the federal government permanently suspended mining operations, citing environmental damage. Then, in 2024, President Andrés Manuel López Obrador declared the area a protected nature reserve known as “Felipe Carrillo Puerto,” effectively barring any resumption of extraction.

Vulcan has consistently maintained that Mexico’s decisions harmed its investments protected under NAFTA. Mexican officials counter that the measures comply with environmental legislation and do not constitute an expropriation, as the company retains ownership of the land and its maritime terminal.

Following the award, the Economy Ministry announced it is reviewing the decision to determine any further legal steps and reiterated Mexico’s commitment to foreign investment in accordance with national law and international treaties. The full text of the award is expected to be released by the ICSID at the end of August, shedding light on the legal reasoning behind one of the most significant international investment disputes Mexico has faced involving environmental protection and foreign investment.