Brian X. Tierney

President and CEO, Chair of the Board at FIRSTENERGY

Board

Since June 1, 2023

Age

57 years

Education

Earned a bachelor's degree from Boston College and an MBA from the University of Chicago.

Tenure

Joined FE on 06-01-2023 as President and CEO and was promoted to Chair of the Board effective 01-01-2025.

Also at FIRSTENERGY

AWS

A. Wade Smith

President of FirstEnergy Utilities

Hyun Park

Senior Vice President and Chief Legal Officer

JJL

Jason J. Lisowski

Vice President, Controller, and Chief Accounting Officer

About

Brian X. Tierney is a seasoned executive with extensive experience in the energy and infrastructure sectors. He has played a pivotal role in driving operational transformation and financial discipline at FE, steering the company through major capital investment initiatives and grid reliability improvements.

Prior to his leadership at FE, he held senior roles in renowned organizations, including serving as Senior Managing Director and Global Head of Operations and Asset Management at Blackstone Infrastructure Partners and spending more than two decades at American Electric Power where he significantly influenced strategy and financial operations.

Throughout his career, Tierney has demonstrated a deep commitment to innovation and excellence, consistently advancing business strategies in a competitive industry. His strategic vision and operational expertise have not only redefined the companies he has served but also set a benchmark for leadership in the energy sector.

In addition to his professional accomplishments, he has a history of meaningful service, having served as a Peace Corps volunteer in the Republic of the Philippines. This global engagement underscores his commitment to community service and international outreach, complementing his robust career in corporate leadership.

$FE Performance Under Brian X. Tierney

Past Roles

Organization	Role	Date Range	Details
Blackstone Infrastructure Partners	Senior Managing Director and Global Head of Operations and Asset Management	2021–2023	Responsible for global portfolio operations and asset management
American Electric Power (AEP)	Executive Vice President of Strategy	2021	Led strategic initiatives in a senior leadership role
American Electric Power (AEP)	Executive Vice President and Chief Financial Officer	2009–2020	Oversaw finance and accounting activities
American Electric Power (AEP)	Executive Vice President – AEP Utilities East	Prior to 2009	Managed AEP's largest regulated utility region including distribution and customer services
United States Peace Corps	Volunteer	N/A	Served in the Republic of the Philippines, contributing to early career experience

Fixed Compensation

Data from FY 2023

Component Name	Amount	Payment Schedule	Additional Details
Base Salary	$876,923	Prorated for 2023 (starting June 1, 2023)	Annualized base salary of $1,500,000; reflects appointment as President and CEO effective June 1, 2023
Pension Benefits	$49,154	As defined by plan provisions	Comprises Qualified Plan (Present Value: $19,800) and Nonqualified Plan (Present Value: $29,354)

Performance Compensation

Data from FY 2023

Short-Term Incentive Plan (STIP)

Metric	Weight (%)	Threshold	Target	Stretch	Actual Result
Operating Earnings	35%	$1,412M	$1,458M	$1,515M	$1,468M
Baseline O&M	25%	$1,350M	$1,320M	$1,305M	$1,250M
Operations Index	15%	2.50	5.00	7.50	2.72
Systemwide LCE	N/A	2	1	0	0
Systemwide DART Rate	N/A	0.67	0.35	0.22	0.74
Diversity, Equity & Inclusion	10%	1.50	3.00	4.50	1.50

Payout Details: Actual payout was $1,573,767 (119% of the target).
Vesting / Proration: Payout was prorated based on the June 1, 2023, appointment.
Notes: This is a cash-based incentive with a maximum payout capped at 200% (i.e., $2,638,356).

Long-Term Incentive Plan (LTIP)

Metric	Weight (%)	Threshold	Target	Stretch	Actual Result
Cumulative Operating EPS	65%	$7.67	$8.17	$8.47	N/A
Relative TSR	35%	N/A	50th percentile*	Capped at 100% if negative	N/A

Grant Date & Fair Value:
- Grant Date: March 1, 2023.
- Grant Date Fair Value: $5,956,545 for stock-based RSUs and $2,965,209 for cash-based RSUs.
Vesting Schedule: Three-year performance period with cliff vesting on March 1.
Notes: Awards are 100% performance-based and may be settled in stock or cash, with dividend equivalent units reinvested based on the average high and low stock prices on the payable date.