MRSH

SEC source: 0001127602-20-009604 · form4.xml · nonDerivative · entry 1

HEARN PETER C · CIK 0001396690 · President & CEO, Guy Carpenter

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,704.193

SEC source: 0001127602-20-008993 · form4.xml · derivative · entry 3

HEARN PETER C · CIK 0001396690 · President & CEO, Guy Carpenter

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,820

Underlying: Common Stock · 15,237 shares

Expires not disclosed

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 security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 15,237 shares underlying restricted stock units of which 7,463 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 15,237 shares underlying restricted stock units relate to 3,416 restricted stock units that were granted on February 22, 2017, 8,609 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,606 restricted stock units that were granted on February 21, 2018 and 1,606 restricted stock units that were granted on February 19, 2019.

F4 · derivative.exercise_date: Not Applicable.

F4 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-008993 · form4.xml · nonDerivative · entry 2

HEARN PETER C · CIK 0001396690 · President & CEO, Guy Carpenter

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,478.193

F1 · kind: Vesting and distribution to reporting person of 15,237 shares underlying restricted stock units of which 7,463 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 15,237 shares underlying restricted stock units relate to 3,416 restricted stock units that were granted on February 22, 2017, 8,609 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,606 restricted stock units that were granted on February 21, 2018 and 1,606 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008993 · form4.xml · nonDerivative · entry 1

HEARN PETER C · CIK 0001396690 · President & CEO, Guy Carpenter

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,941.193

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: Vesting and distribution to reporting person of 15,237 shares underlying restricted stock units of which 7,463 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 15,237 shares underlying restricted stock units relate to 3,416 restricted stock units that were granted on February 22, 2017, 8,609 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,606 restricted stock units that were granted on February 21, 2018 and 1,606 restricted stock units that were granted on February 19, 2019.

F2 · balance_after: Includes shares acquired under the Marsh & McLennan Companies Employee Stock Purchase Plan for the quarters ended September 30 and December 31, 2019.

SEC source: 0001127602-20-009001 · form4.xml · derivative · entry 4

Ledford Laurie · CIK 0001546793 · SVP & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,840

Underlying: Common Stock · 8,800 shares

Expires not disclosed

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 security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 8,800 shares underlying restricted stock units of which 4,686 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 8,800 shares underlying restricted stock units relate to 1,139 restricted stock units that were granted on February 22, 2017, 5,739 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,004 restricted stock units that were granted on February 21, 2018 and 918 restricted stock units that were granted on February 19, 2019.

F4 · derivative.exercise_date: Not Applicable.

F4 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-009001 · form4.xml · nonDerivative · entry 2

Ledford Laurie · CIK 0001546793 · SVP & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,052.5441

F1 · kind: Vesting and distribution to reporting person of 8,800 shares underlying restricted stock units of which 4,686 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 8,800 shares underlying restricted stock units relate to 1,139 restricted stock units that were granted on February 22, 2017, 5,739 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,004 restricted stock units that were granted on February 21, 2018 and 918 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-009001 · form4.xml · nonDerivative · entry 1

Ledford Laurie · CIK 0001546793 · SVP & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,738.5441

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: Vesting and distribution to reporting person of 8,800 shares underlying restricted stock units of which 4,686 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 8,800 shares underlying restricted stock units relate to 1,139 restricted stock units that were granted on February 22, 2017, 5,739 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,004 restricted stock units that were granted on February 21, 2018 and 918 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008980 · form4.xml · derivative · entry 3

Mills Stacy · CIK 0001726937 · Vice President and Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,052

Underlying: Common Stock · 2,064 shares

Expires not disclosed

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 security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 2,064 shares underlying restricted stock units of which 794 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 2,064 shares underlying restricted stock units relate to 911 restricted stock units that were granted on February 22, 2017, 602 restricted stock units that were granted on February 21, 2018 and 551 restricted stock units that were granted on February 19, 2019.

F4 · derivative.exercise_date: Not Applicable.

F4 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-008980 · form4.xml · nonDerivative · entry 2

Mills Stacy · CIK 0001726937 · Vice President and Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,193.066

F1 · kind: Vesting and distribution to reporting person of 2,064 shares underlying restricted stock units of which 794 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 2,064 shares underlying restricted stock units relate to 911 restricted stock units that were granted on February 22, 2017, 602 restricted stock units that were granted on February 21, 2018 and 551 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008980 · form4.xml · nonDerivative · entry 1

Mills Stacy · CIK 0001726937 · Vice President and Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,987.066

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: Vesting and distribution to reporting person of 2,064 shares underlying restricted stock units of which 794 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 2,064 shares underlying restricted stock units relate to 911 restricted stock units that were granted on February 22, 2017, 602 restricted stock units that were granted on February 21, 2018 and 551 restricted stock units that were granted on February 19, 2019.

F2 · balance_after: Includes dividend reinvestment shares acquired on May 15, 2019, August 15, 2019, November 15, 2019 and February 14, 2020.

SEC source: 0001127602-20-008969 · form4.xml · derivative · entry 3

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,848

Underlying: Common Stock · 16,590 shares

Expires not disclosed

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.

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 16,590 shares underlying restricted stock units of which 8,125 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 16,590 shares underlying restricted stock units relate to 1,993 restricted stock units that were granted on February 22, 2017, 10,044 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 2,258 restricted stock units that were granted on February 21, 2018 and 2,295 restricted stock units that were granted on February 19, 2019.

F3 · derivative.exercise_date: Not Applicable.

F3 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-008969 · form4.xml · nonDerivative · entry 2

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,143

F1 · kind: Vesting and distribution to reporting person of 16,590 shares underlying restricted stock units of which 8,125 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 16,590 shares underlying restricted stock units relate to 1,993 restricted stock units that were granted on February 22, 2017, 10,044 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 2,258 restricted stock units that were granted on February 21, 2018 and 2,295 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008969 · form4.xml · nonDerivative · entry 1

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,268

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: Vesting and distribution to reporting person of 16,590 shares underlying restricted stock units of which 8,125 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 16,590 shares underlying restricted stock units relate to 1,993 restricted stock units that were granted on February 22, 2017, 10,044 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 2,258 restricted stock units that were granted on February 21, 2018 and 2,295 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008963 · form4.xml · derivative · entry 3

McDonald Scott · CIK 0001594473 · President and CEO of OWG

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,544

Underlying: Common Stock · 13,392 shares

Expires not disclosed

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.

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 13,392 shares underlying restricted stock units of which 6,296 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 13,392 shares underlying restricted stock units relate to 1,708 restricted stock units that were granted on February 22, 2017, 8,609 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,606 restricted stock units that were granted on February 21, 2018 and 1,469 restricted stock units that were granted on February 19, 2019.

F3 · derivative.exercise_date: Not Applicable.

F3 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-008963 · form4.xml · nonDerivative · entry 2

McDonald Scott · CIK 0001594473 · President and CEO of OWG

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,860.1338

F1 · kind: Vesting and distribution to reporting person of 13,392 shares underlying restricted stock units of which 6,296 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 13,392 shares underlying restricted stock units relate to 1,708 restricted stock units that were granted on February 22, 2017, 8,609 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,606 restricted stock units that were granted on February 21, 2018 and 1,469 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008963 · form4.xml · nonDerivative · entry 1

McDonald Scott · CIK 0001594473 · President and CEO of OWG

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,156.1338

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: Vesting and distribution to reporting person of 13,392 shares underlying restricted stock units of which 6,296 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 13,392 shares underlying restricted stock units relate to 1,708 restricted stock units that were granted on February 22, 2017, 8,609 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,606 restricted stock units that were granted on February 21, 2018 and 1,469 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008959 · form4.xml · derivative · entry 3

Glaser Daniel S · CIK 0001420864 · Director · President and CEO, MMC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,152

Underlying: Common Stock · 88,492 shares

Expires not disclosed

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.

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 88,492 shares underlying restricted stock units of which 47,097 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 88,492 shares underlying restricted stock units relate to 11,076 restricted stock units that were granted on February 22, 2017, 55,822 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 11,038 restricted stock units that were granted on February 21, 2018 and 10,556 restricted stock units that were granted on February 19, 2019.

F3 · derivative.exercise_date: Not Applicable.

F3 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-008959 · form4.xml · nonDerivative · entry 2

Glaser Daniel S · CIK 0001420864 · Director · President and CEO, MMC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 209,968.9999

F1 · kind: Vesting and distribution to reporting person of 88,492 shares underlying restricted stock units of which 47,097 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 88,492 shares underlying restricted stock units relate to 11,076 restricted stock units that were granted on February 22, 2017, 55,822 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 11,038 restricted stock units that were granted on February 21, 2018 and 10,556 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008959 · form4.xml · nonDerivative · entry 1

Glaser Daniel S · CIK 0001420864 · Director · President and CEO, MMC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 257,065.9999

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: Vesting and distribution to reporting person of 88,492 shares underlying restricted stock units of which 47,097 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 88,492 shares underlying restricted stock units relate to 11,076 restricted stock units that were granted on February 22, 2017, 55,822 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 11,038 restricted stock units that were granted on February 21, 2018 and 10,556 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008954 · form4.xml · derivative · entry 3

Doyle John Q · CIK 0001580963 · President and CEO, Marsh

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,590

Underlying: Common Stock · 19,036 shares

Expires not disclosed

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.

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 19,036 shares underlying restricted stock units of which 9,324 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 19,036 shares underlying restricted stock units relate to 2,278 restricted stock units that were granted on February 22, 2017, 11,478 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 2,710 restricted stock units that were granted on February 21, 2018 and 2,570 restricted stock units that were granted on February 19, 2019.

F3 · derivative.exercise_date: Not Applicable.

F3 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-008954 · form4.xml · nonDerivative · entry 2

Doyle John Q · CIK 0001580963 · President and CEO, Marsh

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,533.0205

F1 · kind: Vesting and distribution to reporting person of 19,036 shares underlying restricted stock units of which 9,324 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 19,036 shares underlying restricted stock units relate to 2,278 restricted stock units that were granted on February 22, 2017, 11,478 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 2,710 restricted stock units that were granted on February 21, 2018 and 2,570 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008954 · form4.xml · nonDerivative · entry 1

Doyle John Q · CIK 0001580963 · President and CEO, Marsh

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,857.0205

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: Vesting and distribution to reporting person of 19,036 shares underlying restricted stock units of which 9,324 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 19,036 shares underlying restricted stock units relate to 2,278 restricted stock units that were granted on February 22, 2017, 11,478 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 2,710 restricted stock units that were granted on February 21, 2018 and 2,570 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008945 · form4.xml · derivative · entry 3

Beshar Peter J · CIK 0001309593 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,389

Underlying: Common Stock · 19,796 shares

Expires not disclosed

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.

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 19,796 shares underlying restricted stock units of which 9,696 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 19,796 shares underlying restricted stock units relate to 2,562 restricted stock units that were granted on February 22, 2017, 12,911 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 2,258 restricted stock units that were granted on February 21, 2018 and 2,065 restricted stock units that were granted on February 19, 2019.

F3 · derivative.exercise_date: Not Applicable.

F3 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-008945 · form4.xml · nonDerivative · entry 2

Beshar Peter J · CIK 0001309593 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 352,994

F1 · kind: Vesting and distribution to reporting person of 19,796 shares underlying restricted stock units of which 9,696 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 19,796 shares underlying restricted stock units relate to 2,562 restricted stock units that were granted on February 22, 2017, 12,911 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 2,258 restricted stock units that were granted on February 21, 2018 and 2,065 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008945 · form4.xml · nonDerivative · entry 1

Beshar Peter J · CIK 0001309593 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 362,690

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: Vesting and distribution to reporting person of 19,796 shares underlying restricted stock units of which 9,696 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 19,796 shares underlying restricted stock units relate to 2,562 restricted stock units that were granted on February 22, 2017, 12,911 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 2,258 restricted stock units that were granted on February 21, 2018 and 2,065 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008941 · form4.xml · derivative · entry 3

Gilbert E Scott · CIK 0001319853 · SVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,840

Underlying: Common Stock · 8,800 shares

Expires not disclosed

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.

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 8,800 shares underlying restricted stock units of which 4,686 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 8,800 shares underlying restricted stock units relate to 1,139 restricted stock units that were granted on February 22, 2017, 5,739 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,004 restricted stock units that were granted on February 21, 2018 and 918 restricted stock units that were granted on February 19, 2019.

F3 · derivative.exercise_date: Not Applicable.

F3 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-008941 · form4.xml · nonDerivative · entry 2

Gilbert E Scott · CIK 0001319853 · SVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,311

F1 · kind: Vesting and distribution to reporting person of 8,800 shares underlying restricted stock units of which 4,686 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 8,800 shares underlying restricted stock units relate to 1,139 restricted stock units that were granted on February 22, 2017, 5,739 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,004 restricted stock units that were granted on February 21, 2018 and 918 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008941 · form4.xml · nonDerivative · entry 1

Gilbert E Scott · CIK 0001319853 · SVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,997

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: Vesting and distribution to reporting person of 8,800 shares underlying restricted stock units of which 4,686 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 8,800 shares underlying restricted stock units relate to 1,139 restricted stock units that were granted on February 22, 2017, 5,739 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,004 restricted stock units that were granted on February 21, 2018 and 918 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008939 · form4.xml · derivative · entry 3

Ferland Martine · CIK 0001769136 · President and CEO, Mercer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,509

Underlying: Common Stock · 6,749 shares

Expires not disclosed

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.

F2 · derivative.exercise_price: This security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F1 · kind: Vesting and distribution to reporting person of 6,749 shares underlying restricted stock units of which 3,809 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 6,749 shares underlying restricted stock units relate to 1,082 restricted stock units that were granted on February 22, 2017, 2,727 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,104 restricted stock units that were granted on February 21, 2018 and 1,836 restricted stock units that were granted on February 19, 2019.

F3 · derivative.exercise_date: Not Applicable.

F3 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-008939 · form4.xml · nonDerivative · entry 2

Ferland Martine · CIK 0001769136 · President and CEO, Mercer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,703

F1 · kind: Vesting and distribution to reporting person of 6,749 shares underlying restricted stock units of which 3,809 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 6,749 shares underlying restricted stock units relate to 1,082 restricted stock units that were granted on February 22, 2017, 2,727 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,104 restricted stock units that were granted on February 21, 2018 and 1,836 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-008939 · form4.xml · nonDerivative · entry 1

Ferland Martine · CIK 0001769136 · President and CEO, Mercer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,512

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: Vesting and distribution to reporting person of 6,749 shares underlying restricted stock units of which 3,809 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 6,749 shares underlying restricted stock units relate to 1,082 restricted stock units that were granted on February 22, 2017, 2,727 restricted stock units relating to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019, 1,104 restricted stock units that were granted on February 21, 2018 and 1,836 restricted stock units that were granted on February 19, 2019.

SEC source: 0001127602-20-007913 · form4.xml · derivative · entry 5

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,439

Underlying: Common Stock · 32,440 shares

Expires 2026-02-21

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.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F3 · derivative.exercise_date: These options were granted on February 22, 2016 and vested in four equal annual installments on February 22nd of 2017, 2018, 2019 and 2020.

SEC source: 0001127602-20-007913 · form4.xml · derivative · entry 4

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,433 shares

Expires 2025-02-22

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F2 · derivative.exercise_date: These options were granted on February 23, 2015 and vested in four equal annual installments on February 23rd of 2016, 2017, 2018 and 2019.

SEC source: 0001127602-20-007913 · form4.xml · nonDerivative · entry 3

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,678

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

SEC source: 0001127602-20-007913 · form4.xml · nonDerivative · entry 2

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,551

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

SEC source: 0001127602-20-007913 · form4.xml · nonDerivative · entry 1

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,111

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

SEC source: 0001127602-20-007912 · form4.xml · derivative · entry 3

Gilbert E Scott · CIK 0001319853 · SVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 43,253 shares

Expires 2026-02-21

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.

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F2 · derivative.exercise_date: These options were granted on February 22, 2016 and vested in four equal annual installments on February 22nd of 2017, 2018, 2019 and 2020.

SEC source: 0001127602-20-007912 · form4.xml · nonDerivative · entry 2

Gilbert E Scott · CIK 0001319853 · SVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,197

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

SEC source: 0001127602-20-007912 · form4.xml · nonDerivative · entry 1

Gilbert E Scott · CIK 0001319853 · SVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,450

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

SEC source: 0001127602-20-007911 · form4.xml · derivative · entry 4

Beshar Peter J · CIK 0001309593 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 149,926 shares

Expires 2021-02-20

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.

F2 · derivative.exercise_date: These options were granted on February 21, 2011 and vested in four equal annual installments on February 21st of 2012, 2013, 2014 and 2015.

SEC source: 0001127602-20-007911 · form4.xml · nonDerivative · entry 3

Beshar Peter J · CIK 0001309593 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 342,894

SEC source: 0001127602-20-007911 · form4.xml · nonDerivative · entry 2

Beshar Peter J · CIK 0001309593 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 351,369

SEC source: 0001127602-20-007911 · form4.xml · nonDerivative · entry 1

Beshar Peter J · CIK 0001309593 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 445,108

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: On February 24, 2020 Mr. Beshar exercised 149,926 options that were granted to him in 2011 and thereby increased his net ownership of MMC common stock by 56,187 from 295,182 to 351,369 shares. 93,739 shares were used to satisfy the exercise price and applicable taxes in an exempt transaction.

SEC source: 0001127602-20-006985 · form4.xml · derivative · entry 2

Mills Stacy · CIK 0001726937 · Vice President and Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,116

Underlying: Common Stock · 1,347 shares

Expires not disclosed

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F3 · kind: These restricted stock units vest in three equal annual installments on February 28th of 2021, 2022 and 2023.

F4 · derivative.exercise_date: Not Applicable.

F4 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-006985 · form4.xml · derivative · entry 1

Mills Stacy · CIK 0001726937 · Vice President and Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,794

Underlying: Common Stock · 3,794 shares

Expires 2030-02-18

F1 · derivative.exercise_date: These options were granted on February 19, 2020 and vest in four equal annual installments on February 19th of 2021, 2022, 2023 and 2024.

SEC source: 0001127602-20-006983 · form4.xml · derivative · entry 2

Beshar Peter J · CIK 0001309593 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,185

Underlying: Common Stock · 12,911 shares

Expires not disclosed

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F3 · kind: These restricted stock units relate to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019. The performance factor for these performance stock units was determined on February 19, 2020.

F4 · derivative.exercise_date: Not Applicable.

F4 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-006983 · form4.xml · derivative · entry 1

Beshar Peter J · CIK 0001309593 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,909

Underlying: Common Stock · 56,909 shares

Expires 2030-02-18

F1 · derivative.exercise_date: These options were granted on February 19, 2020 and vest in four equal annual installments on February 19th of 2021, 2022, 2023 and 2024.

SEC source: 0001127602-20-006979 · form4.xml · derivative · entry 2

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,438

Underlying: Common Stock · 10,044 shares

Expires not disclosed

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F3 · kind: These restricted stock units relate to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019. The performance factor for these performance stock units was determined on February 19, 2020.

F4 · derivative.exercise_date: Not Applicable.

F4 · derivative.expiration_date: Not Applicable.

SEC source: 0001127602-20-006979 · form4.xml · derivative · entry 1

MCGIVNEY MARK C · CIK 0001269360 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,393

Underlying: Common Stock · 66,393 shares

Expires 2030-02-18

F1 · derivative.exercise_date: These options were granted on February 19, 2020 and vest in four equal annual installments on February 19th of 2021, 2022, 2023 and 2024.

SEC source: 0001127602-20-006970 · form4.xml · derivative · entry 2

HEARN PETER C · CIK 0001396690 · President & CEO, Guy Carpenter

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,057

Underlying: Common Stock · 8,609 shares

Expires not disclosed

F2 · derivative.exercise_price: The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

F3 · kind: These restricted stock units relate to performance stock units that were granted on February 22, 2017 for the performance period 2017-2019. The performance factor for these performance stock units was determined on February 19, 2020.

F4 · derivative.exercise_date: Not Applicable.

F4 · derivative.expiration_date: Not Applicable.