AMT exits APAC, faces $300M AT&T Mexico arbitration and DISH bankruptcy hit

Filed July 28, 2026 · Period ending June 30, 2026 · Compared to 10-Q Jul 29, 2025 · ~1 min read

Key Changes

• high

  AT&T Mexico arbitration ($300M annual tenant, ~3% of revenue) escalates: $50M in reserves taken through H1 2026, ongoing reserves expected until August 2026 hearing. Majority of disputed rents now in escrow pending outcome.

  Legal Proceedings: AT&T Mexico arbitration verify on EDGAR →
• high

  DISH defaulted January 2026, filed Chapter 11 June 30, 2026. AMT terminated agreements June 2, took $17.5M impairment. DISH represented ~2% of total revenue, 4% of U.S. & Canada segment.

  Legal Proceedings: DISH default and bankruptcy verify on EDGAR →
• high

  Churn surged to 5% of tenant billings (H1 2026) from 2% (H1 2025), driven by DISH default. U.S. & Canada segment revenue declined 3% vs. 1% prior year.

  MD&A: Churn rate verify on EDGAR →