Independent director

Sivasankaran Somasundaram

Class III Independent Director·Lennox International Inc

About

Sivasankaran Somasundaram has served as a director of Lennox International since 2024 and serves on the Audit Committee and the Board Governance Committee.

He is the former Director, President & Chief Executive Officer of ChampionX (previously Apergy Corporation), and previously held executive leadership roles at Dover Corporation, including President and Chief Executive Officer of its Energy Segment. He brings depth of business, executive leadership, transformative growth strategies, operational, talent development, mergers & acquisitions, and strategic development experience to the Board, and his international experience adds a valuable global perspective.

He holds a B.S. in Mechanical Engineering from Anna University and an M.S. in Industrial Engineering from the University of Oklahoma, and has lived and worked in India, Germany, Singapore, and Australia.

Since 2024

Age 60

Tenure 2 yrs

Also at Lennox International Inc

JI John W. Norris, III Class I Independent Director KQ Karen H. Quintos Class I Independent Director SW Shane D. Wall Class I Independent Director SB Sherry L. Buck Class II Independent Director TT Todd J. Teske Class II Independent Chair JA Jon Vander Ark Class II Independent Director

Past roles

Organization Role Dates Details

ChampionX Director, President & Chief Executive Officer 2018 – 2025 Previously Apergy Corporation; a global leader in chemistry solutions, artificial lift systems, and highly engineered equipment, and a spin-off of Dover Corporation.

Dover Corporation President and Chief Executive Officer, Energy Segment 2013 – 2018

Dover Corporation Executive Vice President, Energy Segment 2012 – 2013

Dover Corporation Executive Vice President, Dover Fluid Management 2010 – 2011

Dover Corporation President, Fluid Solutions Platform 2008 – 2010

Dover Corporation Executive leadership roles 2004 – 2008

GL&V Inc. Various global leadership roles 2002 – 2004 A global mining, industrial, pulp and paper technology solutions supplier.

Baker Hughes Inc. Various global leadership roles 1996 – 2002 An energy products & technology company.

External roles

Organization Role Dates

Solstice Advanced Materials Inc. Director October 2025 – present

Magellan Midstream Partners, L.P. Director 2022 – 2023

Director compensation

Data from FY FY2025

Fees earned or paid in cash

$105,000

Stock awards

$155,142

Total

$260,142

Company Lennox International Inc Company hub Person John W. Norris, III Class I Independent Director Person Karen H. Quintos Class I Independent Director Person Shane D. Wall Class I Independent Director Person Sherry L. Buck Class II Independent Director Person Todd J. Teske Class II Independent Chair Person Jon Vander Ark Class II Independent Director Person Tracy A. Embree Class III Independent Director Person Alok Maskara President and Chief Executive Officer Person Michael P. Quenzer Executive Vice President, Chief Financial Officer Person Prakash Bedapudi Executive Vice President, Chief Technology Officer Person Monica M. Brown Executive Vice President, Chief Legal Officer and Secretary Person Chris A. Kosel Vice President, Chief Accounting Officer and Controller

Source: Lennox International Inc proxy statement (SEC Schedule 14A)

Where the filing does not disclose a value, this page states "Not disclosed" rather than estimating. Smaller filers are exempt from disclosing metric targets and achievement, and larger filers may omit forward targets for competitive reasons.