Page 7 - 2019 Sustainability Report

BOARD WITH DIVERSE SKILLS CORPORATE GOVERNANCE
AND EXPERIENCE HIGHLIGHTS

As of December 31, 2019
♦ Directors elected annually to serve
one-year terms

of directors
90% are independent ♦ Adopted proxy access

64.4 years ♦ Established robust stock ownership
guidelines for officers and directors

average director age
♦ Eliminated excise tax gross-up,
walk-right and value of perquisites in
the severance calculation in Employment
6.8 years
Protection Agreements

♦
average director tenure
Eliminated single-trigger vesting in equity
award agreements for grants beginning in
2019

♦ Implemented hedging and pledging policy
of directors are
40% women or minorities
♦ Adopted clawback policy

♦
of directors are Added five new Board members since 2016
current or former
50% public company CEOs

7 / MARTIN MARIETTA / SUSTAINABILITY REPORT / 2019