Aon plc

On February 13, 2024, Carolyn Y. Woo informed Aon plc (the “Company”) of her decision to retire from the Company’s Board of Directors after 25 years, effective upon the completion of her current term at the Company’s 2024 Annual General Meeting. Dr. Woo informed the Company that her retirement is not due to any disagreements with the Company on any matter relating to the Company’s operations, policies or practices. The Company thanks Dr. Woo for her many years of dedicated service to the Company and the Board of Directors. In recognizing Dr.

On January 22, 2024, the Board of Directors (the “Board”) of Aon plc (the “Company”) increased the size of the Board to thirteen members and appointed Jose Antonio Álvarez as a director of the Company, each effective January 24, 2024. Mr. Álvarez will serve until the Company’s 2024 annual general meeting of shareholders, when he is expected to be subject to re-election by a vote of the Company’s shareholders. The Board has appointed Mr. Álvarez to the Audit Committee of the Board, also effective January 24, 2024. Mr. Álvarez is the former Chief Executive Officer of Banco Santander, S.A., a Spanish multinational financial services company (“Santander”). Mr. Álvarez first joined Santander in 2002. During his tenure, Mr. Álvarez served as Executive Vice President and Chief Financial Officer from 2004 to 2014. In 2015, Mr.

On June 16, 2023, Aon Corporation, an indirect, wholly owned subsidiary of Aon plc (“Aon Corporation”), and Christa Davies entered into an amendment (the “Davies Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Ms. Davies (the “Davies International Assignment Letter”). The Davies Amendment extends the term of the Davies International Assignment Letter, which was set to expire on June 30, 2023, to expire on June 30, 2024. On June 16, 2023, Aon Corporation and Gregory C. Case entered into an amendment (the “Case Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Mr. Case (the “Case International Assignment Letter”). The Case Amendment extends the term of the Case International Assignment Letter, which was set to expire on June 30, 2023, to expire on June 30, 2024.

On April 7, 2023, the Board of Directors (the “Board”) of Aon plc (the “Company”) appointed Sarah E. Smith as a director of the Company effective April 15, 2023. Ms. Smith will serve until the Company’s 2023 annual general meeting of shareholders, when she is expected to be subject to re-election by a vote of the Company’s shareholders. The Board has appointed Ms. Smith to the Finance Committee of the Board, effective April 15, 2023. Ms. Smith is a former member of the Management Committee of The Goldman Sachs Group, Inc., a global investment banking, securities and investment management firm. Ms. Smith joined Goldman Sachs in 1996 and was named Managing Director in 1998 and Partner in 2002. During her tenure, Ms. Smith served as the Controller and Chief Accounting Officer of the firm until 2017 and subsequently as the Chief Compliance Officer from 2017 to 2020. Ms.

On September 21, 2022, J. Michael Losh informed Aon plc (the “Company”) of his decision to retire from the Company’s Board of Directors, effective upon the completion of his current term at the time of the Company’s 2023 Annual General Meeting. Mr. Losh informed the Company that his retirement is not due to any disagreements with the Company on any matter relating to the Company’s operations, policies or practices. The Company thanks Mr. Losh for his many years of dedicated service to the Company and the Board of Directors, including 12 years as Chair of the Audit Committee. In recognizing Mr.

On September 1, 2022, the Board of Directors (the “Board”) of Aon plc (the “Company”) appointed Adriana Karaboutis as a director of the Company effective September 8, 2022. Ms. Karaboutis will serve until the Company’s 2023 annual general meeting of shareholders, when she is expected to be subject to re-appointment by a vote of the Company’s shareholders. The Board expects to appoint Ms. Karaboutis to the Audit Committee of the Board and the Compliance Sub-Committee of the Audit Committee. Ms. Karaboutis has served since August 2017 as the Chief Information and Digital Officer of National Grid PLC, one of the world’s largest public utility companies focused on transmitting and distributing electricity and gas in the United Kingdom and northeast United States.

On August 4, 2022, James Platt, Aon plc’s (the “Company” or “Aon”) Chief Operating Officer since June 2021, was appointed to a new role as Chief Digital Officer of the Company, effective immediately. Mr. Platt, age 50, joined the Company in September 2014 as the Chief Executive Officer of Aon Inpoint and Head of Data & Analytics for Aon Risk Solutions and served in that role until December 2016. From January 2017 through June 2019, Mr. Platt served as the Chief Operating Officer of Aon Risk Solutions, and then from June 2019 through September 2020, as the Company’s Global Solution Lines Chief Operating Officer. From September 2020 to his appointment as the Company’s Chief Operating Officer, Mr. Platt served as the Company’s Business Chief Operating Officer.

On June 21, 2022, Aon Corporation, an indirect, wholly owned subsidiary of Aon plc, and Christa Davies entered into an amendment (the “Davies Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Ms. Davies (the “Davies International Assignment Letter”). The Davies Amendment extends the term of the Davies International Assignment Letter, which was set to expire on June 30, 2022, to expire on June 30, 2023. On June 21, 2022, Aon Corporation and Gregory C. Case entered into an amendment (the “Case Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Mr. Case (the “Case International Assignment Letter”). The Case Amendment extends the term of the Case International Assignment Letter, which was set to expire on June 30, 2022, to expire on June 30, 2023.

On February 14, 2022, Richard B. Myers informed Aon plc (the “Company”) of his decision to retire from the Company’s Board of Directors, effective upon the completion of his current term at the Company’s 2022 Annual General Meeting. General Myers informed the Company that his retirement is not due to any disagreements with the Company on any matter relating to the Company’s operations, policies or practices. The Company thanks General Myers for his 16 years of dedicated service to the Company and the Board of Directors. In acknowledging General Myers’ retirement, Lester Knight, Chairman of the Company’s Board of Directors, said “It has been a privilege to work alongside General Myers since he joined the Board in 2006. We have benefitted greatly from his leadership experience, consensus building skills, and deep knowledge of global affairs, and wish him the very best.”

On July 26, 2021, Aon Corporation, a wholly owned subsidiary of the Company, entered into an amendment (the “Davies Amendment”) to the Employment Agreement dated October 3, 2007, and amended March 27, 2012, February 20, 2015, and April 19, 2018, with Christa Davies, the Company’s Executive Vice President and Chief Financial Officer (the “Davies Employment Agreement”). The Davies Amendment extends the term of the Davies Employment Agreement, which was previously set to expire on April 1, 2023, to expire on April 1, 2026, unless otherwise terminated in accordance with its terms. The Davies Amendment makes no changes to Ms. Davies’s compensation arrangements. On July 26, 2021, the Company and Aon Corporation entered into an amendment (the “Case Amendment”) to the Employment Agreement dated January 16, 2015 and amended April 20, 2018 and May 15, 2018, with Gregory C.

On June 25, 2021, Aon plc (the “Company”) appointed James Platt to the position of Chief Operating Officer of the Company. Mr. Platt, age 49, joined the Company in September 2014 as the Chief Executive Officer of Aon Inpoint and Head of Data & Analytics for Aon Risk Solutions and served in that role until December 2016. From January 2017 through June 2019, Mr. Platt served as the Chief Operating Officer of Aon Risk Solutions, and then from June 2019 through September 2020, as the Company’s Global Solution Lines Chief Operating Officer. Since September 2020, Mr. Platt has served as the Company’s Business Chief Operating Officer. There is no arrangement between Mr. Platt and any other person pursuant to which he was selected as the Chief Operating Officer.

On January 25, 2021, John Bruno notified Aon plc (the “Company”) of his decision to step down from his position as the Company’s Chief Operating Officer, effective immediately. Mr. Bruno will remain at the Company for a transition period to be determined. James Platt will assume certain of Mr. Bruno’s responsibilities immediately, and as announced on January 27, 2021, Mr. Platt, age 49, will serve as the Company’s Chief Operating Officer, effective upon the closing of the previously announced combination of the Company and Willis Towers Watson Public Limited Company and subject to approval by the Company’s board of directors. Mr. Platt joined the Company in September 2014 as the Chief Executive Officer of Aon Inpoint and Head of Data & Analytics for Aon Risk Solutions. From January 2017 through June 2019, Mr.

Effective October 27, 2020, the Board appointed Byron Spruell as a director of the Company. Mr. Spruell will serve until the Company’s 2021 annual general meeting of shareholders, when he is expected to be subject to re-appointment by a vote of the Company’s shareholders. The Board has appointed Mr. Spruell to the Audit and Governance/Nominating Committees of the Board. Mr. Spruell is the President of League Operations at the National Basketball Association. Prior to joining the National Basketball Association, Mr. Spruell spent 20 years at Deloitte LLP, most recently as its Vice Chairman, Central Region Marketplace Leader and Chicago Managing Principal. He serves on several non-profit boards, including the University of Notre Dame Board of Trustees and the Jackie Robinson Foundation, among others. Mr.

On June 19, 2020, Aon Corporation, an indirect, wholly owned subsidiary of Aon plc, and Christa Davies entered into an amendment (the “Davies Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Ms. Davies (the “Davies International Assignment Letter”). The Davies Amendment extends the term of the Davies International Assignment Letter, which was set to expire on June 30, 2020, to expire on June 30, 2021. On June 19, 2020, Aon Corporation and Gregory C. Case entered into an amendment (the “Case Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Mr. Case (the “Case International Assignment Letter”). The Case Amendment extends the term of the Case International Assignment Letter, which was set to expire on June 30, 2020, to expire on June 30, 2021.

On April 24, 2020, due to the COVID-19 pandemic and the resulting economic disruption, the Board of Directors of Aon plc (the “Company”) determined to temporarily reduce the annual base salaries of the Company’s named executive officers (“NEOs”) and the cash compensation of each of the Company’s non-executive directors. Each of the Company’s NEOs, Gregory Case, Chief Executive Officer, Christa Davies, Chief Financial Officer, Eric Andersen, President, and John Bruno, Chief Operating Officer, as well as Tony Goland, the Company’s Chief Innovation Officer, have agreed to a temporary 50% reduction in his or her base salary from May 1, 2020 through December 31, 2020, or until such other date as decided by the Company.

On February 20, 2020, Michael O’Connor notified Aon plc (the “Company”) of his decision to step down from his position as Co-President of the Company, effective immediately. Mr. O’Connor will remain at the Company for a transition period to be determined. Eric Andersen, current Co-President of the Company, is being named President of the Company, effective immediately.

On June 25, 2019, Aon Corporation, an indirect, wholly owned subsidiary of Aon plc, and Christa Davies entered into an amendment (the “Davies Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Ms. Davies (the “Davies International Assignment Letter”). The Davies Amendment extends the term of the Davies International Assignment Letter, which was set to expire on June 30, 2019, to expire on June 30, 2020. On June 25, 2019, Aon Corporation and Gregory C. Case entered into an amendment (the “Case Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Mr. Case (the “Case International Assignment Letter”). The Case Amendment extends the term of the Case International Assignment Letter, which was set to expire on June 30, 2019, to expire on June 30, 2020.

Aon Corporation entered into a transition and separation agreement with Peter Lieb, Executive Vice President, General Counsel, and Secretary of Aon plc (“Aon” or the “Company”), with respect to Mr. Lieb’s retirement from the Company effective as of December 31, 2020. The agreement provides that Mr. Lieb will transition from his current position to a position as Special Legal Advisor to the Company’s Chief Executive Officer no later than December 31, 2019. Mr. Lieb will continue to receive his current base salary until December 31, 2020 (the “Transition Period”). In connection with Mr. Lieb’s transition, and subject to customary conditions, he will receive a cash payment of $1.8 million in exchange for carrying out duties and responsibilities during the Transition Period. In addition, the Company will provide Mr.

On June 25, 2018, Aon Corporation, an indirect, wholly owned subsidiary of Aon plc, and Christa Davies entered into an amendment (the “Davies Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Ms. Davies (the “Davies International Assignment Letter”). The Davies Amendment extends the term of the Davies International Assignment Letter, which was originally set to expire on June 30, 2018, to expire on June 30, 2019. On June 25, 2018, Aon Corporation and Gregory C. Case entered into an amendment (the “Case Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Mr. Case (the “Case International Assignment Letter”). The Case Amendment extends the term of the Case International Assignment Letter, which was originally set to expire on June 30, 2018, to expire on June 30, 2019.

On May 10, 2018, Aon plc and Aon Corporation, an indirect, wholly owned subsidiary of Aon plc, entered into an amendment to the Employment Agreement, dated January 16, 2015 and amended on April 20, 2018, with Gregory C. Case, the Company’s President and Chief Executive Officer (the “Case Amendment”). The Case Amendment changes Mr. Case’s title from President and Chief Executive Officer of Aon plc and Aon Corporation to Chief Executive Officer of Aon plc and Aon Corporation, effective May 15, 2018. On May 11, 2018, Aon Corporation entered into a letter agreement with Michael O’Connor (the “O’Connor Agreement”). The O’Connor Agreement changes Mr. O’Connor’s title to Co-President, Aon plc and Aon Corporation, effective May 15, 2018, and supersedes and replaces the letter agreement entered into between Mr. O’Connor and Aon Corporation dated March 1, 2018. No other changes were made to Mr.

On April 19, 2018, Aon Corporation, an indirect, wholly owned subsidiary of Aon plc (the “Company”), entered into an amendment (the “Davies Amendment”) to the Employment Agreement dated October 3, 2007, and amended March 27, 2012 and February 20, 2015, with Christa Davies, the Company’s Executive Vice President and Chief Financial Officer (the “Davies Employment Agreement”). The Davies Amendment extends the term of the Davies Employment Agreement, which was originally set to expire on April 1, 2020, to expire on April 1, 2023, unless otherwise terminated in accordance with its terms. The Davies Amendment makes no changes to Ms. Davies’s compensation arrangements, but updates the Davies Employment Agreement to reflect her current base salary of $900,000 per year and her current international assignment arrangement.

Effective, March 23, 2018, the Board of Directors (the “Board”) of Aon plc (the “Company”) appointed Jeffrey C. Campbell as a director of the Company. Mr. Campbell will serve until the Company’s 2018 annual general meeting of shareholders, when he is expected to be subject to re-appointment by a vote of the Company’s shareholders. The Board has appointed Mr. Campbell to the Audit and Organization and Compensation Committees of the Board. Mr. Campbell is the executive vice president and chief financial officer at American Express, a position he has held since July 2013. From 2004 to 2013, Mr. Campbell served as the executive vice president and chief financial officer at McKesson Corporation. Prior to his time at McKesson Corporation, Mr. Campbell spent 13 years at AMR Corporation and its principal subsidiary, American Airlines, ultimately becoming its chief financial officer in 2002.

On March 12, 2018, Robert S. Morrison informed the Company of his decision to retire from Aon plc’s (the “Company”) Board of Directors, effective upon the completion of his current term on June 22, 2018. Mr. Morrison informed the Company that his retirement is not due to any disagreements with the Company on any matter relating to the Company’s operations, policies or practices. The Company thanks Mr. Morrison for his many years of dedicated service to the Company and Board of Directors.

On February 21, 2018, Aon plc (the “Company”) appointed Michael Neller, age 39, as the Company’s principal accounting officer. Mr. Neller will assume this role from Laurel Meissner, Senior Vice President, Global Controller and Chief Accounting Officer, who will be retiring later this year, and will remain a member of the Company’s Executive Committee until her retirement. Mr. Neller will report to Christa Davies, Executive Vice President and Chief Financial Officer, as the Company’s Senior Vice President, Global Controller and Chief Accounting Officer. Mr. Neller joined the Company in August 2011 as its Vice President, Technical Accounting and Policy. From December 2011 through February 2018, Mr. Neller served as the Company’s Vice President, Deputy Global Controller.

On April 25, 2017, Aon plc (“Aon” or the “Company”) entered into a transition and separation agreement with Kristi Savacool, Chief Executive Officer of Aon Hewitt, with respect to Ms. Savacool’s separation from service with the Company with effect as of December 31, 2017. The agreement provides that she will serve as Special Advisor to the Company’s Chief Executive Officer and oversee the successful separation of our benefits administration and HR business process outsourcing platform. Ms. Savacool will continue to receive her current base salary during the transition period. Upon Ms. Savacool’s separation on December 31, 2017 and subject to customary conditions, she will receive a cash payment of $3 million and will be eligible for an additional discretionary cash payment of up to $3 million, based on her performance during the transition period.

On January 19, 2017, Aon plc (“Aon” or the “Company”) arrived at an agreement with Stephen P. McGill, Group President — Aon plc, Chairman and Chief Executive Officer — Risk Solutions, with respect to Mr. McGill’s separation of service from the Company with effect as of January 31, 2017. In connection with such agreement, Aon entered into a separation agreement with Mr. McGill that provides, in part, that upon Mr. McGill’s execution of a general release of claims and compliance with applicable restrictive covenants, he will be eligible to receive cash separation payments of $7.5 million in each of 2017, 2018 and 2019 in full satisfaction of all amounts otherwise due to Mr.

Effective, August 10, 2016, the Board of Directors (the “Board”) of the Aon plc (the “Company”) appointed Jin-Yong Cai as a director of the Company. Mr. Cai will serve until the Company’s 2017 annual general meeting of shareholders, when he is expected to be subject to re-appointment by a vote of the Company’s shareholders. The Board has appointed Mr. Cai to the Finance and Organization and Compensation Committees of the Board. Mr. Cai is a partner at TPG Capital, a global private equity investment firm, a position he has held since February 2016. From October 2012 to January 2016, Mr. Cai served as the chief executive officer of the International Finance Corporation, World Bank Group. Mr.

On August 2, 2016, James W. Leng informed the Company of his resignation from the Company’s Board of Directors, effective immediately, due to the increased demands of his other leadership responsibilities, and not due to any disagreements with the Company on any matter relating to the Company’s operations, policies or practices. * * * * 2