Dean Liollio named EVP & COO as Chris Chandler to resign at Plains All American Pipeline
Plains All American Pipeline (PAA) appointed Dean Liollio as EVP & COO effective October 2, 2026, replacing Chris Chandler, who resigned to pursue other interests. Liollio, 67, previously held senior roles at Plains and other energy companies. He will receive a $625,000 base salary, 150% bonus target, and 150,000 phantom units vesting in 2029.
How this was made

The 30-second read
Why it matters
Exec change is a standard corporate action with limited price effect unless accompanied by strategic shifts.
Market read
Provides a fresh corporate action update; modest relevance for traders holding or watching PAA.
What to watch
Compensation package and phantom units could affect dilution perceptions.
Background
The filing is an 8‑K reporting an executive change at Plains All American Pipeline.
Ticker impact
Plains All American Pipeline appointed Dean Liollio as EVP & COO effective Oct 2, 2026, replacing Chris Chandler.
modest upward pressure as investors anticipate stable management.
The appointment is a routine executive transition with no disclosed strategic shift; market reaction is likely muted.
Market effects
May signal stability in the midstream energy sector, but no broader sector impact.
Limited to U.S. energy infrastructure investors.
Minimal global relevance.
Counterpoint
If the new COO lacks experience in key growth areas, the appointment could be seen as a risk.
Key entities
- personDean Liollio
New Executive Vice President and Chief Operating Officer.
- personChris Chandler
Outgoing EVP & COO.

