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Bio-Techne Board of Directors

Robert V. Baumgartner

Bio-Techne Director.

Executive Chairman, Director of the Center for Diagnostic Imaging, Inc.,

John L. Higgins

Bio-Techne Director.

President and Chief Executive Officer of Ligand Pharmaceuticals,

Charles (Chuck) Kummeth

Bio-Techne Director.

President of Mass Spectrometry and Chromatography at Thermo Fisher Scientific Inc.

Roeland Nusse, Ph.D.

Bio-Techne Director.

Chairman of the Department of Developmental Biology at Stanford University.

Randolph C. Steer, M.D., Ph.D.

Bio-Techne Director.

President and Chief Operating Officer of Capstone Therapeutics Corp.

Joseph D. Keegan, Ph.D.

Bio-Techne Director.

executive director at Carterra, Inc.,

Alpna Seth, Ph.D.

Bio-Techne Director.

President and Chief Executive Officer of Nura Bio,

Dr. Rupert Vessey

Bio-Techne Director.

President of Global Research and Early Development at Bristol-Myers Squibb,

Julie L. Bushman

Bio-Techne Director.

former Executive Vice President of International Operations for 3M.

Biogen Inc. Board Of Directors

Stelios Papadopoulos

Biogen Foundation

Alexander J. Denner

Biogen Foundation

Caroline D. Dorsa

Biogen Foundation

Maria C. Freire,

Biogen Foundation

William A. Hawkins

Biogen Foundation

William D. Jones

Biogen Foundation

Richard C. Mulligan

Biogen Foundation

Eric K. Rowinsky

Biogen Foundation

Stephen A. Sherwin

Biogen Foundation

Michel Vounatsos

Biogen Foundation

BlackRock Board of Directors

Laurence D. Fink

BlackRock Director

Bader M. Alsaad

BlackRock Director

Pamela Daley

BlackRock Director

Beth Ford

BlackRock Director

William E. Ford

BlackRock Director

Fabrizio Freda

BlackRock Director

Murry S. Gerber

BlackRock Director

Margaret "Peggy" L. Johnson

BlackRock Director

Robert S. Kapito

BlackRock Director

Robert S. Kapito

BlackRock Director

Gordon M. Nixon

BlackRock Director

Kristin Peck

BlackRock Director

Charles H. Robbins

BlackRock Director

Marco Antonio Slim Domit

BlackRock Director

Hans E. Vestberg

BlackRock Director

Susan L. Wagner

BlackRock Director

Mark Wilson

BlackRock Director

BNY Mellon Board of Directors

Linda Z. Cook

BNY Director

K. Guru Gowrappan

BNY Director

Frederick O. Terrell

BNY Director

Joseph J. Echevarria

BNY Director

Ralph Izzo

BNY Director

Robin Vince

BNY Director

M. Amy Gilliland

BNY Director

Sandie O’Connor

BNY Director

Alfred W. "Al" Zollar

BNY Director

Jeffrey A. Goldstein

BNY Director

Elizabeth E. Robinson

BNY Director

Boeing Company Board Of Directors

Robert A. Bradway

Boeing Company

Chairman and CEO, Amgen Inc.

David L. Calhoun

Boeing Company

President and CEO, The Boeing Company

Lynn J. Good

Boeing Company

Chairman, President and CEO, Duke Energy Corporation

John M. Richardson

Boeing Company

31st Chief of Naval Operations, U.S. Navy; Former Director of the Naval Nuclear Propulsion Program, U.S. Navy

Ronald A. Williams

Boeing Company

Former Chairman, President and CEO, Aetna Inc.

Lynne M. Doughtie

Boeing Company

Former U.S. Chairman and CEO, KPMG

Stacey D. Harris

Boeing Company

Former United Airlines Pilot; Former Inspector General, U.S. Air Force

David L. Joyce

Boeing Company

Former President and CEO, GE Aviation; Former Vice Chair, General Electric Company

Akhil Johr

Boeing Company

Former Executive Vice President and CFO, United Technologies Corporation

Steven M. Mollenkopf

Boeing Company

Former CEO, Qualcomm Incorporated

Lawrence W. Kellner

Boeing Company

Former Chairman and CEO, Continental Airlines, Inc.

David L. Gitlin

Boeing Company

Chairman and CEO, Carrier Global Corporation

Booking Holdings Inc. Board Of Directors

Sumit Singh

Booking Holdings Inc.

Served in senior management positions at Dell Technologies Inc

Glenn D. Fogel

Booking Holdings Inc.

Chief Executive Officer of Booking.com

Timothy M. Armstrong

Booking Holdings Inc.

Founder and CEO of the dtx company

Mirian Graddick-Weir

Booking Holdings Inc.

Executive Vice President of Human Resources at Merck & Co., Inc.

Wei Hopeman

Booking Holdings Inc.

Managing Partner of Arbor Ventures, a venture capital firm focused on investing in fintech companies

Robert J. Mylod Jr.

Booking Holdings Inc.

Chairman of the board

Charles H. Noski

Booking Holdings Inc.

Retired as a Vice Chairman of Bank of America Corporation

Nicholas J. Read

Booking Holdings Inc.

Chief Executive Officer of Vodafone Group Plc

Thomas E. Rothman

Booking Holdings Inc.

Served as Chairman of Sony Pictures Entertainment Motion Picture Group

Lynn M. Vojvodich Radakovich

Booking Holdings Inc.

Served as Executive Vice President and Chief Marketing Officer of Salesforce

Vanessa A. Wittman

Booking Holdings Inc.

Served as Chief Financial Officer of Oath, a subsidiary of Verizon

BorgWarner Board Of Directors

Paul A. Mascarenas

BorgWarner

Venture Partner, Fontinalis Partners LLP; Former Chief Technical Officer, Ford Motor Company

Michael S. Hanley

BorgWarner

Retired Global Automotive Leader, Ernst & Young LLP

Deborah D. McWhinney

BorgWarner

Retired Chief Executive Officer of Global Enterprise Payments, Citigroup Inc.

Frédéric B. Lissalde

BorgWarner

President and Chief Executive Officer, BorgWarner Inc.

Sara A. Greenstein

BorgWarner

President and Chief Executive Officer, Axel Johnson Inc.

David S. Haffner

BorgWarner

Retired Chairman and Chief Executive Officer of Leggett & Platt, Inc.

Dr. Shaun E. McAlmont

BorgWarner

President and Chief Executive Officer, Ninjio, LLC

Alexis P. Michas

BorgWarner

Non-Executive Chairman of the Board, BorgWarner Inc.; Managing Partner, Juniper Investment Company, LLC

Boston Properties Board Of Directors

Owen D. Thomas

Boston Properties

Chairman and Chief Executive Officer

Douglas T. Linde

Boston Properties

President of BXP and our former Chief Financial Officer

Kelly A. Ayotte

Boston Properties

Served on the Budget, Homeland Security and Governmental Affairs

Mary E. Kipp

Boston Properties

President and Chief Executive Officer and a director of both Puget Energy, Inc.

Bruce W. Duncan

Boston Properties

Served as President, Chief Executive Officer, and member of the Board of Directors of CyrusOne Inc.

President of Post Rock Advisors, LLC

Boston Properties

President of Post Rock Advisors, LLC

Diane J. Hoskins

Boston Properties

Chief executive officer of a global brand

Joel I. Klein

Boston Properties

Chief Executive Officer of Retromer Therapeutics, a biotech start-up

Matthew J. Lustig

Boston Properties

Chairman of North America Investment Banking at Lazard Frères & Co.

David A. Twardock

Boston Properties

President of Prudential Mortgage Capital Company, LLC

William H. Walton, III

Boston Properties

co-founder and managing member of Rockpoint Group, LLC

Boston Scientific Board of Directors

Nelda J. Connors

Boston Scientific

Charles J. Dockendorff

Boston Scientific

Yoshiaki Fujimori

Boston Scientific

Michael F. Mahoney

Boston Scientific

Donna A. James

Boston Scientific

Edward J. Ludwig

Boston Scientific

David J. Roux

Boston Scientific

John E. Sununu

Boston Scientific

David S. Wichmann

Boston Scientific

Ellen M. Zane

Boston Scientific

Bristol-Myers Squibb Board Of Directors

Peter J. Arduini

Bristol-Myers Squibb

President and Chief Executive Officer of GE Healthcare

Dr. Deepak L. Bhatt, MD, MPH

Bristol-Myers Squibb

Executive Director of Interventional Cardiovascular Programs, Brigham and Women’s Hospital; Professor of Medicine, Harvard Medical School

Julia A. Haller, M.D.

Bristol-Myers Squibb

Ophthalmologist-in-Chief, Wills Eye Hospital

Giovanni Caforio MD

Bristol-Myers Squibb

Chairman of the Board and Chief Executive Officer, Bristol Myers Squibb

Theodore R. Samuels

Bristol-Myers Squibb

Lead Independent Director and Retired President of Capital Guardian Trust Company

Manuel Hidalgo Medina

Bristol-Myers Squibb

Chief, Division of Hematology and Medical Oncology, Weill Cornell Medicine and New York-Presbyterian /Weill Cornell Medical Center

Gerald L. Storch

Bristol-Myers Squibb

Chief Executive Officer, Storch Advisors

Karen H. Vousden, Ph.D

Bristol-Myers Squibb

Senior Group Leader, The Francis Crick Institute and Chief Scientist, Cancer Research UK

Phyllis R. Yale

Bristol-Myers Squibb

Advisory Partner, Bain & Company

Paula A. Price

Bristol-Myers Squibb

Former Executive Vice President and Chief Financial Officer, Macy’s, Inc.

Derica W. Rice

Bristol-Myers Squibb

Former Executive Vice President, CVS Health and President, Pharmacy Benefits Business, CVS Caremark.

Broadcom Inc. Board Of Directors

Hock E. Tan

Broadcom Inc.

President, Chief Executive Officer

Eddy W. Hartenstein

Broadcom Inc.

Chief Executive Officer of the Los Angeles Times

Diane M. Bryant

Broadcom Inc.

Chief Operating Officer of Google Cloud

Gayla J. Delly

Broadcom Inc.

Chief Executive Officer of Benchmark Electronics Inc.

Check Kian Low

Broadcom Inc.

Founding partner and director of NewSmith Capital Partners LLP

Justine F. Page

Broadcom Inc.

Vice President of Finance, Chief Financial Officer and Secretary of Integrated Circuit Systems, Inc.

Harry L. You

Broadcom Inc.

Executive Vice President in the Office of the Chairman of EMC Corporation

Henry Samueli

Broadcom Inc.

co-founded Broadcom Corporation and was Chief Technical Officer

Raul J. Fernandez

Broadcom Inc.

Served as Vice Chairman and owner of Monumental Sports & Entertainment