On April 25, 2024, the Board of Directors of Delta Air Lines, Inc. elected Maria Black and Willie CW Chiang to its Board of Directors, effective April 26, 2024. The Board expects to appoint Ms. Black and Mr. Chiang to one or more of its committees, with such committee assignment to be determined at a later date. Ms. Black is the President and Chief Executive Officer of Automatic Data Processing, Inc. Mr. Chiang is the Chairman and Chief Executive Officer of Plains All American Pipeline, L.P. and its general partner holding company Plains GP Holdings, L.P. Prior to becoming President and Chief Executive Officer of ADP in January 2023, Ms. Black served as President of the company from January 2022 to January 2023.

She has held various positions of increasing responsibility across the entirety of ADP?s global portfolio since joining the company in 1996, including as President, Worldwide Sales and Marketing from 2020 to 2022, President, Small Business Solutions and Human Resources Outsourcing from 2017 to 2020 and President, ADP TotalSource from 2014 to 2016. She currently serves on the Board of Directors of ADP. Ms. Black holds a bachelor of arts degree in political science and international affairs from the University of Colorado, Boulder.

In addition to serving as Chief Executive Officer of PAA and PAGP since October 2018, Mr. Chiang has served as Chairman since January 2020 and as a director of PAA and PAGP since February 2017. He previously served as Executive Vice President and Chief Operating Officer of PAA and PAGP from January 2018 until October 2018 and as Executive Vice President and Chief Operating Officer for the company?s U.S. operating and commercial activities from August 2015 through December 2017. He joined PAA and PAGP in 2015 from Occidental Petroleum Corporation, where he served as Executive Vice President, Operations from 2012 until 2015.

From 1996 until 2012, he served in various positions at ConocoPhillips and predecessors. Mr. Chiang started his career in refining with Chevron in 1981. He holds a bachelor?s degree in mechanical engineering from the South Dakota School of Mines and Technology and completed the Advanced Management Program at the University of Pennsylvania's Wharton School of Business.