Waste Connections COO Darrell Chambliss retires; becomes Senior Advisor at $50k salary

Waste Connections, Inc.

Darrell Chambliss retired as EVP/COO on July 24, 2025; transitions to Senior Advisor.
Fixed term as Senior Advisor runs through Feb 28, 2029; annual base salary reduced to $50,000.
Chambliss is no longer eligible for bonus or equity awards; severance at 2.99x base salary.
Company has not yet named a successor COO; search to be conducted.
New letter agreement supersedes prior; signed July 28, 2025.

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