X0306 4 2021-02-24 0000912562 GIBRALTAR INDUSTRIES, INC. ROCK 0001685728 Burns Patrick 3556 LAKE SHORE ROAD P.O. BOX 2028 BUFFALO NY 14219-0228 1 Chief Operating Officer Performance Stock Unit (March 2020) 2021-02-24 4 A 0 781 0 A 9001 D Common Stock 2575 D Performance Stock Unit (March 2019) 11787 D Restricted Stock Unit (LTIP 03/18/2019) 3429 D Restricted Stock Unit (LTIP 3/2/2020) 3699 D Special Performance Stock Unit (March 2020) 9000 D Special Restricted Stock Unit (March 2019) 7500 D Restricted Stock Unit (2018 MSPP Match) Common Stock 4068.04 4068.04 D Restricted Stock Unit (2018 MSPP) Common Stock 1474.63 1474.63 D Represents Performance Units which will be awarded to the Reporting Person under the Company's Equity Incentive Plan upon achievement of the targeted return on invested capital for 2020. The maximum number of Performance Units which may be earned is two hundred percent (200%) of the Performance Units awarded for target level performance and the minimum number of Performance Units which may be earned is zero (0) Performance Units. Represents an increase of the targeted number of Performance Units awarded to the Reporting Person on March 2, 2020 under the Company's 2018 Equity Incentive Plan as a result of the Company's achievement of a return on invested capital above the targeted return on invested capital for 2020. The Compensation Committee has reviewed and confirmed the Company's calculation of Return on Invested Capital for 2020 as compared to target and approved the resulting increase in the number of Performance Units. Represents matching restricted stock units allocated to the Reporting Person with respect to the Reporting Person's deferral of a portion of their annual base salary and annual cash incentive compensation pursuant to the Company's 2018 Management Stock Purchase Plan. Restricted stock units are forfeited if Reporting Person's service as an officer of the Company is terminated prior to the fifth (5th) anniversary of the Reporting Person's vesting commencement date. If service as an officer continues beyond the fifth (5th) anniversary of the Reporting Person's vesting commencement date, restricted stock units are payable solely in cash in one lump sum payment or in five (5) or ten (10) consecutive, substantially equal annual installments, whichever distribution form is elected by the Reporting Person, beginning six (6) months following termination of service. Each restricted stock unit is converted to cash in an amount equal to the fair market value of one share of the Company's common stock, as defined in the Company's 2018 Management Stock Purchase Plan, on the date of termination of the Reporting Person's service as an officer of the Company. Represents restricted stock units allocated to the Reporting Person with respect to the Reporting Person's deferral of a portion of their annual base salary pursuant to the Company's 2018 Management Stock Purchase Plan. Restricted stock units are payable solely in cash in one lump sum payment or in five (5) or ten (10) consecutive, substantially equal annual installments, whichever distribution form is elected by the Reporting Person, beginning six (6) months following termination of service. Each restricted stock unit is converted to cash in an amount equal to the fair market value of one share of the Company's common stock, as defined in the Company's 2018 Management Stock Purchase Plan, on the date of termination of the Reporting Person's service as an officer of the Company. /s/ Jeffrey J. Watorek, Attorney-in-Fact for Patrick M. Burns 2021-02-25