AON

SEC source: 0001179110-17-012278 · edgar.xml · nonDerivative · entry 1

BRUNO JOHN G · CIK 0001283118 · Executive Vice President, CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,794.386

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

F1 · price: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

F2 · balance_after: The total number of shares reported in Column 5 includes shares acquired in 2017 under the Aon employee stock purchase plan.

SEC source: 0001179110-17-012144 · edgar.xml · derivative · entry 3

O'Connor Michael J · CIK 0001506411 · Chief Executive Officer, ARS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,824

Underlying: Class A Ordinary Shares · 10,000 shares

Expires 2018-02-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · price: Stock option granted pursuant to Aon Stock Incentive Plan.

F3 · derivative.exercise_date: The options became exercisable in three equal annual instalments. All options are exercisable.

SEC source: 0001179110-17-012144 · edgar.xml · nonDerivative · entry 2

O'Connor Michael J · CIK 0001506411 · Chief Executive Officer, ARS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,805

F1 · kind: The transactions reported were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1.

F2 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $140.10 to 140.68, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-012144 · edgar.xml · nonDerivative · entry 1

O'Connor Michael J · CIK 0001506411 · Chief Executive Officer, ARS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,805

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1.

SEC source: 0001179110-17-012111 · edgar.xml · derivative · entry 3

Goland Anthony R · CIK 0001669783 · EVP and CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,322

Underlying: Class A Ordinary Shares · 1,108 shares

Expires 2020-09-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The restricted stock unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with U.K. law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.

F4 · derivative.exercise_date: A restricted share unit award was granted on September 1, 2015 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan as follows: 20% of the awards vest on each of the first through fifth anniversaries of the date of the grant.

F4 · derivative.expiration_date: A restricted share unit award was granted on September 1, 2015 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan as follows: 20% of the awards vest on each of the first through fifth anniversaries of the date of the grant.

SEC source: 0001179110-17-012111 · edgar.xml · nonDerivative · entry 2

Goland Anthony R · CIK 0001669783 · EVP and CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,674

F2 · kind: Class A Ordinary Shares withheld by the issuer for the payment of withholding taxes in connection with the vesting of a restricted share unit award.

SEC source: 0001179110-17-012111 · edgar.xml · nonDerivative · entry 1

Goland Anthony R · CIK 0001669783 · EVP and CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,186

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

F1 · price: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

SEC source: 0001179110-17-011784 · edgar.xml · derivative · entry 3

Zern John · CIK 0001705528 · CEO, Global Health & Benefits

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,300

Underlying: Class A Ordinary Shares · 1,150 shares

Expires 2019-08-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The restricted share unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with UK law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.

F4 · derivative.exercise_date: A restricted share unit award was granted on August 21, 2014 and vests in accordance with the terms of the Aon Stock Incentive Plan as follows: 20% of the award vests on each of the first through fifth anniversaries of the date of the grant.

F4 · derivative.expiration_date: A restricted share unit award was granted on August 21, 2014 and vests in accordance with the terms of the Aon Stock Incentive Plan as follows: 20% of the award vests on each of the first through fifth anniversaries of the date of the grant.

SEC source: 0001179110-17-011784 · edgar.xml · nonDerivative · entry 2

Zern John · CIK 0001705528 · CEO, Global Health & Benefits

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,375

F2 · kind: Class A ordinary Shares withheld by the issuer for the payment of taxes in connection with the vesting of a restricted share unit.

SEC source: 0001179110-17-011784 · edgar.xml · nonDerivative · entry 1

Zern John · CIK 0001705528 · CEO, Global Health & Benefits

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,901

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

F1 · price: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

SEC source: 0001179110-17-009705 · edgar.xml · nonDerivative · entry 1

MYERS RICHARD B · CIK 0001356702 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,721

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-009698 · edgar.xml · nonDerivative · entry 1

NOTEBAERT RICHARD C · CIK 0001112731 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,093

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-009696 · edgar.xml · nonDerivative · entry 1

MORRISON ROBERT S · CIK 0001025098 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,109.9

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-009694 · edgar.xml · nonDerivative · entry 1

WOO CAROLYN Y · CIK 0001205211 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,130

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-009692 · edgar.xml · nonDerivative · entry 1

FRANCIS CHERYL A · CIK 0001197386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,517

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-009689 · edgar.xml · nonDerivative · entry 1

SANTONA GLORIA · CIK 0001179714 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,421.39

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-009684 · edgar.xml · nonDerivative · entry 1

LOSH J MICHAEL · CIK 0001199190 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,412

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-009680 · edgar.xml · nonDerivative · entry 2

Conti Fulvio · CIK 0001421899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,834

F2 · kind: Class A Ordinary Shares withheld by the issuer for the payment of withholding taxes in connection with the award.

SEC source: 0001179110-17-009680 · edgar.xml · nonDerivative · entry 1

Conti Fulvio · CIK 0001421899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,929

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-009679 · edgar.xml · nonDerivative · entry 2

Cai Jin-Yong · CIK 0001682796 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,258

F2 · kind: Class A Ordinary Shares withheld by the issuer for the payment of withholding taxes in connection with the award.

SEC source: 0001179110-17-009679 · edgar.xml · nonDerivative · entry 1

Cai Jin-Yong · CIK 0001682796 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,367

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-009677 · edgar.xml · nonDerivative · entry 1

KNIGHT LESTER B · CIK 0001023262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,908

F1 · kind: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

F1 · price: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued the reporting person.

SEC source: 0001179110-17-014587 · edgar.xml · nonDerivative · entry 1

Grace Caroline · CIK 0001705516 · CEO, Global Retirement & Inves

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,874

SEC source: 0001179110-17-008187 · edgar.xml · nonDerivative · entry 1

LIEB PETER M · CIK 0001263967 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,215.917

SEC source: 0001179110-17-007850 · edgar.xml · derivative · entry 3

Zern John · CIK 0001705528 · CEO, Global Health & Benefits

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302

Underlying: Class A Ordinary Shares · 302 shares

Expires 2018-05-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The restricted share unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with UK law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.

F4 · derivative.exercise_date: A restricted share unit award was granted on February 21, 2013 and vests in accordance with the terms of the Aon Stock Incentive Plan as follows: 20% of the award vests on each of the first through fifth anniversaries of the date of the grant.

F4 · derivative.expiration_date: A restricted share unit award was granted on February 21, 2013 and vests in accordance with the terms of the Aon Stock Incentive Plan as follows: 20% of the award vests on each of the first through fifth anniversaries of the date of the grant.

SEC source: 0001179110-17-007850 · edgar.xml · nonDerivative · entry 2

Zern John · CIK 0001705528 · CEO, Global Health & Benefits

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,751

F2 · kind: Class A Ordinary Shares withheld by the issuer for the payment of taxes in connection with the vesting of a restricted share unit.

SEC source: 0001179110-17-007850 · edgar.xml · nonDerivative · entry 1

Zern John · CIK 0001705528 · CEO, Global Health & Benefits

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,890

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

F1 · price: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

SEC source: 0001179110-17-007853 · edgar.xml · derivative · entry 6

Grace Caroline · CIK 0001705516 · CEO, Global Retirement & Inves

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 755

Underlying: Class A Ordinary Shares · 755 shares

Expires 2018-05-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The restricted share unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with UK law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.

F5 · derivative.exercise_date: A restricted share unit award was granted on February 21, 2013 and vests in accordance with the terms of the Aon Stock Incentive Plan as follows: 20% of the award vests on each of the first through fifth anniversaries of the date of the grant.

F5 · derivative.expiration_date: A restricted share unit award was granted on February 21, 2013 and vests in accordance with the terms of the Aon Stock Incentive Plan as follows: 20% of the award vests on each of the first through fifth anniversaries of the date of the grant.

SEC source: 0001179110-17-007853 · edgar.xml · derivative · entry 5

Grace Caroline · CIK 0001705516 · CEO, Global Retirement & Inves

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 1,296 shares

Expires 2017-05-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The restricted share unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with UK law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.

F4 · derivative.exercise_date: A restricted share unit award was granted on February 21, 2012 and vests in accordance with the terms of the Aon Stock Incentive Plan as follows: 20% of the award vests on each of the first through fifth anniversaries of the date of the grant.

F4 · derivative.expiration_date: A restricted share unit award was granted on February 21, 2012 and vests in accordance with the terms of the Aon Stock Incentive Plan as follows: 20% of the award vests on each of the first through fifth anniversaries of the date of the grant.

SEC source: 0001179110-17-007853 · edgar.xml · nonDerivative · entry 4

Grace Caroline · CIK 0001705516 · CEO, Global Retirement & Inves

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,959

F2 · kind: Class A Ordinary Shares withheld by the issuer for the payment of taxes in connection with the vesting of a restricted share unit.

SEC source: 0001179110-17-007853 · edgar.xml · nonDerivative · entry 3

Grace Caroline · CIK 0001705516 · CEO, Global Retirement & Inves

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,305

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

F1 · price: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

SEC source: 0001179110-17-007853 · edgar.xml · nonDerivative · entry 2

Grace Caroline · CIK 0001705516 · CEO, Global Retirement & Inves

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,550

F2 · kind: Class A Ordinary Shares withheld by the issuer for the payment of taxes in connection with the vesting of a restricted share unit.

SEC source: 0001179110-17-007853 · edgar.xml · nonDerivative · entry 1

Grace Caroline · CIK 0001705516 · CEO, Global Retirement & Inves

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,143

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

F1 · price: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

SEC source: 0001179110-17-007699 · edgar.xml · nonDerivative · entry 1

Meissner Laurel G. · CIK 0001430384 · SVP & Global Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,314

SEC source: 0001179110-17-005910 · edgar.xml · nonDerivative · entry 1

LOSH J MICHAEL · CIK 0001199190 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,203

F1 · kind: On April 6, 2017, Mr. Losh received a distribution of these shares from his Grantor Retained Annuity Trust in an asset substitution transaction. The shares previously have been reported by Mr. Losh as indirectly owned.

SEC source: 0001179110-17-005393 · edgar.xml · nonDerivative · entry 1

LIEB PETER M · CIK 0001263967 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,215.917

F1 · kind: The transactions reported were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1.

F2 · shares: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $117.06 to $117.46, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-004629 · edgar.xml · derivative · entry 3

Andersen Eric · CIK 0001697695 · CEO, Aon Benfield

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 1,157 shares

Expires 2017-03-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The restricted share unit award converts to Class A Ordinary Shares on 1-for-1 basis. In accordance with U.K. law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person

F4 · derivative.exercise_date: The restricted share unit award was granted on March 14, 2014 and vests in accordance with the terms of the Aon Stock Incentive Plan as follow: 33 1/3% of the award vest on each of the first through third anniversaries of the date of grant.

F4 · derivative.expiration_date: The restricted share unit award was granted on March 14, 2014 and vests in accordance with the terms of the Aon Stock Incentive Plan as follow: 33 1/3% of the award vest on each of the first through third anniversaries of the date of grant.

SEC source: 0001179110-17-004629 · edgar.xml · nonDerivative · entry 2

Andersen Eric · CIK 0001697695 · CEO, Aon Benfield

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,891.5

F2 · kind: Class A Ordinary Shares withheld by the issuer for the payment of withholding taxes in connection with the vesting of a restricted share unit award.

SEC source: 0001179110-17-004629 · edgar.xml · nonDerivative · entry 1

Andersen Eric · CIK 0001697695 · CEO, Aon Benfield

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,488.5

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

F1 · price: Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

SEC source: 0001179110-17-003662 · edgar.xml · nonDerivative · entry 1

LIEB PETER M · CIK 0001263967 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,898.917

F1 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $116.00 to $116.25, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-003068 · edgar.xml · nonDerivative · entry 4

Case Gregory C · CIK 0001322803 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,312

F1 · kind: The transactions reported were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1.

F5 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $115.92 to $116.43, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-003068 · edgar.xml · nonDerivative · entry 3

Case Gregory C · CIK 0001322803 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 287,726

F1 · kind: The transactions reported were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1.

F4 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $114.92 to 115.91, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-003070 · edgar.xml · nonDerivative · entry 2

O'Connor Michael J · CIK 0001506411 · Chief Executive Officer, ARS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,805

F1 · kind: The transaction was effected pursuant to a trading plan meeting the requirements of Rule 10b5-1.

F3 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $117.33 to $117.65, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-003070 · edgar.xml · nonDerivative · entry 1

O'Connor Michael J · CIK 0001506411 · Chief Executive Officer, ARS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,805

F1 · kind: The transaction was effected pursuant to a trading plan meeting the requirements of Rule 10b5-1.

F2 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $116.22 to 117.02, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-003068 · edgar.xml · nonDerivative · entry 2

Case Gregory C · CIK 0001322803 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 530,312

F1 · kind: The transactions reported were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1.

F3 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $116.24 to $117.09, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-003068 · edgar.xml · nonDerivative · entry 1

Case Gregory C · CIK 0001322803 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 572,789

F1 · kind: The transactions reported were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1.

F2 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $115.23 to $116.22, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-003062 · edgar.xml · derivative · entry 5

Davies Christa · CIK 0001419356 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 93,466 shares

Expires 2017-11-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · price: Stock option granted pursuant to Aon Stock Incentive Plan.

F4 · derivative.exercise_date: Vesting occurred in accordance with the terms of Aon Stock Incentive Plan as follows: one-third of the options vested on each of the second through fourth anniversary of the date of the grant.

SEC source: 0001179110-17-003062 · edgar.xml · nonDerivative · entry 4

Davies Christa · CIK 0001419356 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,687

F1 · kind: The transaction was effected pursuant to a trading plan meeting the requirements of Rule 10b5-1.

SEC source: 0001179110-17-003062 · edgar.xml · nonDerivative · entry 3

Davies Christa · CIK 0001419356 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,887

F1 · kind: The transaction was effected pursuant to a trading plan meeting the requirements of Rule 10b5-1.

F3 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $116.22 to $116.92, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.

SEC source: 0001179110-17-003062 · edgar.xml · nonDerivative · entry 2

Davies Christa · CIK 0001419356 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 249,786

F1 · kind: The transaction was effected pursuant to a trading plan meeting the requirements of Rule 10b5-1.

F2 · price: The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $115.22 to 116.20, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.