GIBRALTAR INDUSTRIES, INC. — Director's Dealing 2017

May 9, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GIBRALTAR INDUSTRIES, INC. (ROCK)
CIK: 0000912562
Period of Report: 2017-05-05

Reporting Person: MONTAGUE WILLIAM P (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-05	Common Stock	A	3103.00	$0.00	Acquired	33838.00	Direct
2017-05-05	Common Stock (Restricted)	D	3103.00	$0.00	Disposed	4936.00	Direct
2017-05-05	Deferred Stock Units	A	2034.00	$0.00	Acquired	4423.00	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Unit (MSPP Match Post-2012)	$		Common Stock (3812.69)	3812.69	Direct
Restricted Stock Unit (MSPP Match)	$		Common Stock (7431.61)	7431.61	Direct
Restricted Stock Unit (MSPP Post-2012)	$		Common Stock (3812.69)	3812.69	Direct
Restricted Stock Unit (MSPP)	$		Common Stock (14873.74)	14873.74	Direct

Footnotes

F1: Reported solely to reflect the vesting of formerly restricted shares of common stock held by the Reporting Person.

F2: Represents shares of common stock which the Reporting Person is entitled to receive annually pursuant to the compensation program in effect for non-employee directors. Pursuant to the Company's Non-Employee Director Stock Deferral Plan, the Reporting Person has irrevocably elected to defer his receipt of the shares of common stock represented by the Deferred Stock Unit. Six (6) months following termination of the Reporting Person's service as a Member of the Company's Board of Directors, shares of common stock represented by the Deferred Stock Units are issued to the Reporting Person in one lump sum or in five (5) or ten (10) substantially equal installments, whichever is elected by the Reporting Person.

F3: Restricted stock units are forfeited if Reporting Person's service as a director of the Company is terminated prior to age sixty (60). If service as a director continues through age sixty (60), 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 (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company.

F4: Restricted stock units are forfeited if Reporting Person's service as a director of the Company is terminated prior to age sixty (60). If service as a director continues through age sixty (60), restricted stock units are payable solely in cash in five (5) consecutive, substantially equal annual installments, beginning in January of the year following the year in which termination of service occurs. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company.

F5: 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 as a director of the Company. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company.

F6: Restricted stock units are payable solely in cash in five (5) consecutive, substantially equal annual installments beginning in January of the year following the year in which termination of service as a member of the Company's Board of Directors occurs. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company