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Ms. Sherman was appointed President and CEO of our Company on January 1, 2016, and joined our Board on the same date. Prior to that, she served as our COO from April 2014 through December 2015, Chief Administrative Officer from October 2010 to April 2014 and General Counsel from March 2004 to November 2015. Ms. Sherman has been an employee of our Company since 1994. She also serves as Chairperson of the Board of Directors of Franklin Electric Co., Inc., a global water and fueling system manufacturer (NASDAQ: FELE), where she has served as Chair since May 2025 and as a member of the Board of Directors since January 2015. Ms. Sherman is also committed to supporting non-profit organizations through her board participation in a number of charities, including the Field Museum and WTTW/WFMT (Chicago Public Television and Fine Arts Radio).

Mark D. Weber was appointed Senior Vice President and Chief Operating Officer in January 2018, upon rejoining the Company after four years at Supreme Industries, Inc. (Supreme). Mr. Weber joined Supreme in May 2013 as President and Chief Executive Officer, serving in that capacity up to the sale of Supreme to Wabash National Corporation, which was completed in September 2017. Prior to joining Supreme, Mr. Weber worked for 17 years as an executive within the Company's Environmental Solutions Group, including a decade as Group President.

Ian A. Hudson was appointed Senior Vice President and Chief Financial Officer in October 2017. Mr. Hudson joined the Company in August 2013 as Vice President and Corporate Controller. Prior to joining the Company, Mr. Hudson served as Director of Accounting - Latin America and Asia Pacific at Groupon, Inc. from June 2012 to August 2013. Prior to that role, Mr. Hudson worked at Ernst & Young, LLP from 1998 to 2012, most recently as Senior Audit Manager.

Diane I. Bonina was appointed Vice President, General Counsel and Secretary in April 2022. Prior to joining the Company in March 2022, Ms. Bonina worked at AT&T Inc. (AT&T), where she served as Assistant Vice President - Senior Legal Counsel. At AT&T, Ms. Bonina held a broad range of roles of increasing legal and management responsibilities since 1996, both for AT&T and its predecessor companies. Prior to that role, Ms. Bonina worked as an attorney with Jenner & Block in its litigation department from 1990 to 1996, and also served as a law clerk for the Honorable Cornelia G. Kennedy of the U.S. Court of Appeals for the Sixth Circuit in Detroit, Michigan.

Felix M. Boeschen was appointed Vice President, Corporate Strategy and Investor Relations in September 2023. Prior to joining the Company, Mr. Boeschen served as a Vice President, Equity Research at Raymond James, where he covered companies in the machinery space, with a primary focus on the truck equipment and specialty vehicle industries.

Ms. Reichelderfer was named Chair of the Board effective April 22, 2025. Ms. Reichelderfer previously served as Lead Independent Director from April 2019 to April 2025, and has served as a director since October 2006. Since January 2016, she has served on the Board of Directors of Moog Inc., a designer and manufacturer of precision motion and fluid control systems for aerospace, defense and industrial markets worldwide (NYSE: MOG-A). Ms. Reichelderfer also serves on the Board of Directors of Tribus Aerospace (Tribus), an aerospace components manufacturing group owned by a private equity firm, a position she has held since November 2017. From March 2021 to November 2025, Ms. Reichelderfer served on the Board of Directors of John Wood Group PLC, a global leader in consulting and engineering, operating across energy and the built environment (LSE: WG). From June 2021 through January 2022, Ms. Reichelderfer served as Interim CEO of Tribus while it searched for a new leader. From February 2019 to November 2022, Ms. Reichelderfer served on the Board of Directors of Hermetic Solutions Group, a military/aerospace component supplier owned by a private equity firm. From July 2008 to December 2017, she was Senior Vice President and Managing Director of TriVista Business Group. From June 2011 to April 2017, Ms. Reichelderfer served on the Board of Directors of Meggitt PLC, a global defense and aerospace firm, the shares of which are listed on the London Stock Exchange (LSE: MGGT). Until May 2008, Ms. Reichelderfer was Group President (from December 1998), Senior Vice President (from December 2002) and Corporate Director of Engineering and Chief Technology Officer (from October 2005) of ITT Inc., a global engineering and manufacturing company (NYSE: ITT).

Dr. Workman retired in June 2014 as CEO of Omnicare, Inc., a healthcare services company specializing in the management of pharmaceutical care in 47 states, a position he had held since June 2012 (formerly NYSE: OCR). From February 2011 to June 2012, he was Omnicare's President and CFO and held the position of Executive Vice President and CFO from November 2009 until February 2011. Dr. Workman also served on the Board of Directors of Omnicare, Inc. from September 2012 to June 2014. From September 2004 to November 2009, Dr. Workman served as Executive Vice President and CFO of HealthSouth Corporation (now Encompass Health Corporation) (NYSE: EHC)), a provider of inpatient rehabilitation services in the U.S. Dr. Workman held the positions of CEO (from February 2003 to April 2004), COO (from October 2002 to February 2003), and CFO (from August 1998 to October 2002) of U.S. Can Corporation (formerly NYSE: USC), a manufacturer of aerosol and general line cans sold in the U.S., Europe and South America. Dr. Workman has been a member of the Board of Directors of Agiliti Health, Inc. (NYSE: AGTI), a company that provides technology and medical equipment to the healthcare industry, since November 2014 and was Agiliti's non-Executive Chairman of the Board until April 2015. From July 2015 to May 2025, Dr. Workman served as a director of CONMED Corporation (NYSE: CNMD), an international manufacturer of equipment and disposables for orthopedic and other general lines of surgery. He has also served as a director of Care Capital Properties, Inc. (formerly NYSE: CCP), a healthcare REIT, from August 2015 until the company's merger with Sabra Health Care Reit (NASDAQ: SBRA). Dr. Workman is a Certified Public Accountant (inactive).

On December 31, 2025, Mr. Patel retired as CFO of Watts Water Technologies, Inc. (Watts) (NYSE: WTS), a global manufacturer of plumbing, heating, and water quality product lines, a position he had held since July 2018. Prior to joining Watts, Mr. Patel spent a combined 21 years globally at Xylem Inc. (NYSE: XYL) and ITT Corporation (NYSE: ITT), holding several leadership positions of increased responsibilities in finance, operations and engineering. Mr. Patel is currently a consultant at Watts. Mr. Patel graduated from the University of London with a Bachelor of Science in chemical engineering and received an MBA from the Peter Drucker School of Management at Claremont Graduate University in California.

Ms. Helmkamp served as CEO of Cartus Corporation, the global relocation services subsidiary of Anywhere Real Estate from 2018 until her retirement in January 2023. Previously, Ms. Helmkamp served as CEO of Lenox Corporation from 2016 to 2018 and as chief executive officer of SVP Worldwide from 2010 through 2014. She also served as senior vice president, North America Product for Whirlpool Corporation from 2008 to 2010 and as vice president, Global Refrigeration for Whirlpool Corporation from 2007 to 2008. Earlier in her career, Ms. Helmkamp served clients in the industrial goods, consumer goods, and services industries as a partner with The Boston Consulting Group. Ms. Helmkamp has served as an independent director of IDEX Corporation (NYSE: IEX) since 2015 and is currently Non-Executive Chair of IDEX Corporation. She also serves as an independent director of KPMG, LLP. Ms. Helmkamp received a Bachelor of Science in industrial engineering and an MBA from Northwestern University.

Mr. Lowe has served as President and CEO and a director of SPX Technologies, Inc. (SPX) (NYSE: SPXC) since September 2015. SPX is a supplier of highly engineered products and technologies, holding leadership positions in the HVAC, and detection and measurement markets. He was appointed an officer of SPX in 2014 and previously served as Segment President, Thermal Equipment and Services, from 2013 to 2015; President, Global Evaporative Cooling, from 2010 to 2013; and Vice President of Global Business Development and Marketing, Thermal Equipment and Services, from 2008 to 2010. Prior to joining SPX, Mr. Lowe held positions with Milliken & Company, Lazard Technology Partners, Bain & Company, and Andersen Consulting.

On February 26, 2026, the Board of Directors appointed Mr. Richard A. Maue to the Board. Since January 2013, Mr. Maue has served as the Chief Financial Officer (CFO) of Crane Company (Crane) (NYSE: CR), a leading manufacturer of highly engineered components for challenging, mission-critical applications focused on the aerospace, defense, space and process industry end markets. Mr. Maue joined Crane as Vice President, Controller and Chief Accounting Officer in August 2007. He served in that capacity until May 2010, when he became Co-CFO and in 2013 was promoted to Vice President, Finance and CFO, assuming full responsibility for all finance functions at Crane. In January 2019, Mr. Maue was promoted to Senior Vice President, and in March 2019, he also assumed segment leadership responsibility for Crane's Aerospace and Electronics business until February 2023, at which time Mr. Maue was promoted to Executive Vice President. Prior to joining Crane, Mr. Maue worked at Paxar Corporation as Vice President, Controller and Chief Accounting Officer and at Protiviti, Inc. as a Director in their Internal Audit Practice. Mr. Maue started his career in the audit and business advisory practice at Arthur Andersen. Mr. Maue graduated from Villanova University with a Bachelor of Science in accounting and is a certified public accountant.

On February 26, 2026, the Board of Directors appointed Mr. Eric A. Vaillancourt to the Board. Since November 28, 2021, Mr. Vaillancourt has served as President and Chief Executive Officer (CEO) of Enpro Inc. (Enpro) (NYSE: NPO), a leading industrial technology company focused on critical applications across many end-markets, including semiconductor, industrial process, commercial vehicle, sustainable power generation, aerospace, food and pharma, photonics, and life sciences. Prior to his appointment as Enpro's President and CEO, Mr. Vaillancourt served as its Interim President and CEO beginning in August 2021. Before assuming the interim role, Mr. Vaillancourt was President of Enpro's Sealing Technologies segment starting in August 2020. Earlier, Mr. Vaillancourt served as President, STEMCO division beginning in July 2018, and as President of the Garlock division starting in November 2014. Since joining Enpro in 2009, Mr. Vaillancourt has also held roles including President, Garlock Sealing Products and Vice President of Sales and Marketing of the Garlock division. Prior to joining Enpro, Mr. Vaillancourt held positions of increasing responsibility with Bluelinx Corporation, culminating in his position as Regional Vice President North-Sales and Distribution. Mr. Vaillancourt received a Bachelor of Science in Business Management from Empire State College and completed the Harvard Advanced Management Program in 2014.