MDU DEF 14A Report ended March 16, 2016

PETER M. ORSER Age: 68 Director Since: 2016 Board Committees: Finance and Development, Human Capital (Chair) Mr. Orser served as President and Chief Executive Officer of the Weyerhaeuser Real Estate Company, a subsidiary of Weyerhaeuser Company, where he oversaw five different homebuilding operations across the United States, from 2010 to 2014. In July 2014, under his leadership, Weyerhaeuser completed the successful sale of the company. Prior to that, Mr. Orser spent almost 25 years in various positions at Quadrant Homes, a leading homebuilder in the state of Washington and a subsidiary of Weyerhaeuser, including serving as President from 2003 to 2010. Mr. Orser is active in a number of civic organizations,

NORMA A. PROVENCIO Age: 67 Director Since: 2009 Board Committees: Governance, Human Capital Ms. Provencio was named Lead Director in November 2019. Ms. Provencio is President and owner of Provencio Advisory Services Inc., a healthcare financial and operational consulting firm. Prior to forming Provencio Advisory Services in October 2003, she was the Partner-in-Charge of KPMG’s Pacific Southwest Healthcare Practice since May 2002. From 1979 to 2002, she was with Arthur Andersen, serving as that firm’s Partner-in-Charge of the Pharmaceutical, Biomedical and Healthcare Practice for the Pacific Southwest. Ms. Provencio received her Bachelor of Science in Accounting from Loyola Marymount

JOHN J. KELLEY III Age: 64 Director Since: 2024 Board Committees: Finance and Development, Human Capital Mr. Kelley was appointed to the Board effective August 1, 2024. Mr. Kelley has served as the Chief Legal Officer of Equifax Inc., since 2013. He has responsibility for global legal services, compliance, government and legislative relations, and corporate governance. In addition, he was responsible for advising the Equifax board of directors and senior management team during the 2017 cybersecurity incident, leading the resolution of related regulatory and litigation matters. Before joining Equifax, Mr. Kelley was a senior partner at King & Spalding in its corporate practice group, where he practiced in a broad range of corporate finance transactions and securities matters, and advised public clients regarding SEC reporting and

DANNY R. SHEPHERD Age: 73 Director Since: 2016 Board Committees: Audit, Governance (Chair) Prior to his retirement in 2015, Mr. Shepherd was Vice Chairman (from 2014 to 2015) and served as Senior Vice President, Executive Vice President and Chief Operating Officer (from 2001 to 2014) of Vulcan Materials Company, a producer of construction aggregates. From 2016 to 2021, Mr. Shepherd served on the board of directors of GCP Applied Technologies. Mr. Shepherd received his Bachelor of Science degree from the Georgia Institute of Technology. Mr. Shepherd has significant experience in the building materials industry, and he has over 40 years of public company

C. CHRISTIAN WINKLE Age: 61 Director Since: 2019 Board Committees: Audit, Finance and Development (Chair) Mr. Winkle served as the chief executive officer and a member of the board of directors of Sunrise Senior Living, which operates senior living communities in the United States, Canada and the United Kingdom, including Gracewell Healthcare communities, from September 2014 to January 2021. He was chief executive officer of MedQuest, Inc., a leading operator of independent, fixed-site, outpatient diagnostic imaging centers in the United States from November 2005 to August 2013. He served as president and chief executive officer of Mariner Health Care, Inc., which operated skilled nursing facilities,

ALYSSA P. STEELE Age: 44 Director Since: 2024 Board Committees: Audit, Finance and Development Ms. Steele was appointed to the Board effective January 1, 2024. Ms. Steele has served as the Chief Executive Officer of Rugs USA, an e-commerce industry leader in rugs and home décor products, since December 2022. She previously served in multiple leadership positions at HD Supply, a wholly owned subsidiary of The Home Depot and one of the largest industrial distributors in North America within the maintenance, repair and operations sectors, including as Chief Merchandising Officer and Chief Commercial Officer from November 2018 through November 2022. Prior to that, Ms. Steele served in multiple e-commerce and retail

ALLAN P. MERRILL Age: 58 Director Since: 2011 Public Company Directorship: Federal Home Loan Mortgage Corporation (Freddie Mac) Mr. Merrill joined the Company in May 2007 as Executive Vice President and Chief Financial Officer. He was named President and Chief Executive Officer in June 2011 and elected Chairman in November 2019. Prior to joining the Company, Mr. Merrill worked in both investment banking and online real estate marketing. While working for UBS and its predecessor firm Dillon, Read & Co. (from 1987 to 2000), Mr. Merrill ultimately served as co-head of the Global Resources Group, overseeing relationships with construction and building materials companies around the world, including advising Beazer Homes on its 1994 initial