WCN

SEC source: 0001562180-21-001211 · primarydocument.xml · nonDerivative · entry 2

LITTLE JAMES · CIK 0001130416 · Executive VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,778

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

SEC source: 0001562180-21-001211 · primarydocument.xml · nonDerivative · entry 1

LITTLE JAMES · CIK 0001130416 · Executive VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,089

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.

SEC source: 0001562180-21-001209 · primarydocument.xml · derivative · entry 5

HANSEN ERIC · CIK 0001132334 · Senior Vice President and CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,063

Underlying: Common Shares · 687 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-21-001209 · primarydocument.xml · nonDerivative · entry 2

HANSEN ERIC · CIK 0001132334 · Senior Vice President and CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,448

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

SEC source: 0001562180-21-001209 · primarydocument.xml · nonDerivative · entry 1

HANSEN ERIC · CIK 0001132334 · Senior Vice President and CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,755

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.

SEC source: 0001562180-21-001206 · primarydocument.xml · derivative · entry 5

CRAFT JASON · CIK 0001815420 · Sr Vice President-Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,250

Underlying: Common Shares · 750 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-21-001206 · primarydocument.xml · nonDerivative · entry 2

CRAFT JASON · CIK 0001815420 · Sr Vice President-Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,847

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

SEC source: 0001562180-21-001206 · primarydocument.xml · nonDerivative · entry 1

CRAFT JASON · CIK 0001815420 · Sr Vice President-Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,070

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.

SEC source: 0001562180-21-001200 · primarydocument.xml · derivative · entry 3

Hughes Larry Sanford · CIK 0001674299 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 545 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

F3 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

SEC source: 0001562180-21-001200 · primarydocument.xml · nonDerivative · entry 2

Hughes Larry Sanford · CIK 0001674299 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,850

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

F2 · price: For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. $126.20 CAD = $99.433 US

SEC source: 0001562180-21-001200 · primarydocument.xml · nonDerivative · entry 1

Hughes Larry Sanford · CIK 0001674299 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,099

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.

SEC source: 0001562180-21-001202 · primarydocument.xml · derivative · entry 3

Lee Susan · CIK 0001673407 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 545 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

F3 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

SEC source: 0001562180-21-001202 · primarydocument.xml · nonDerivative · entry 2

Lee Susan · CIK 0001673407 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,122

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

F2 · price: For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. $126.20 CAD = $99.433 US

SEC source: 0001562180-21-001202 · primarydocument.xml · nonDerivative · entry 1

Lee Susan · CIK 0001673407 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,371

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.

SEC source: 0001562180-21-001213 · primarydocument.xml · derivative · entry 5

Shea Patrick James · CIK 0001428227 · Exec VP, General Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,272

Underlying: Common Shares · 1,091 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-21-001213 · primarydocument.xml · nonDerivative · entry 2

Shea Patrick James · CIK 0001428227 · Exec VP, General Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,463

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

SEC source: 0001562180-21-001213 · primarydocument.xml · nonDerivative · entry 1

Shea Patrick James · CIK 0001428227 · Exec VP, General Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,777

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.

SEC source: 0001562180-21-001214 · primarydocument.xml · derivative · entry 5

Whitney Mary Anne · CIK 0001544202 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,150

Underlying: Common Shares · 1,050 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-21-001214 · primarydocument.xml · nonDerivative · entry 2

Whitney Mary Anne · CIK 0001544202 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,385

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

SEC source: 0001562180-21-001214 · primarydocument.xml · nonDerivative · entry 1

Whitney Mary Anne · CIK 0001544202 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,843

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.

SEC source: 0001562180-21-001210 · primarydocument.xml · derivative · entry 5

JACKMAN WORTHING · CIK 0001229832 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,669

Underlying: Common Shares · 3,556 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-21-001210 · primarydocument.xml · nonDerivative · entry 2

JACKMAN WORTHING · CIK 0001229832 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,379

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

SEC source: 0001562180-21-001210 · primarydocument.xml · nonDerivative · entry 1

JACKMAN WORTHING · CIK 0001229832 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,795

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.

SEC source: 0001562180-21-001207 · primarydocument.xml · derivative · entry 5

EDDIE DAVID · CIK 0001230346 · Sr. VP & Chief Accting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,569

Underlying: Common Shares · 856 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-21-001207 · primarydocument.xml · nonDerivative · entry 2

EDDIE DAVID · CIK 0001230346 · Sr. VP & Chief Accting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,046

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

SEC source: 0001562180-21-001207 · primarydocument.xml · nonDerivative · entry 1

EDDIE DAVID · CIK 0001230346 · Sr. VP & Chief Accting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,429

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.

SEC source: 0001562180-21-001204 · primarydocument.xml · derivative · entry 5

Black Matthew Stephen · CIK 0001544201 · Sr. Vice President - Tax

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,194

Underlying: Common Shares · 731 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-21-001204 · primarydocument.xml · nonDerivative · entry 2

Black Matthew Stephen · CIK 0001544201 · Sr. Vice President - Tax

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,549

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

SEC source: 0001562180-21-001204 · primarydocument.xml · nonDerivative · entry 1

Black Matthew Stephen · CIK 0001544201 · Sr. Vice President - Tax

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,766

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.

SEC source: 0001562180-21-001201 · primarydocument.xml · derivative · entry 3

JORDAN ELISE LIPMAN · CIK 0001784928 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 545 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

F3 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

SEC source: 0001562180-21-001201 · primarydocument.xml · nonDerivative · entry 2

JORDAN ELISE LIPMAN · CIK 0001784928 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,103

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

F2 · price: For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. $126.20 CAD = $99.433 US

SEC source: 0001562180-21-001201 · primarydocument.xml · nonDerivative · entry 1

JORDAN ELISE LIPMAN · CIK 0001784928 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390

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.

SEC source: 0001562180-21-001198 · primarydocument.xml · derivative · entry 3

GUILLET EDWARD E · CIK 0001203079 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 545 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

F3 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

SEC source: 0001562180-21-001198 · primarydocument.xml · nonDerivative · entry 2

GUILLET EDWARD E · CIK 0001203079 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,066

F1 · kind: Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

F2 · price: For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. $126.20 CAD = $99.433 US

SEC source: 0001562180-21-001198 · primarydocument.xml · nonDerivative · entry 1

GUILLET EDWARD E · CIK 0001203079 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,290

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.

SEC source: 0001562180-20-007127 · primarydocument.xml · nonDerivative · entry 1

Black Matthew Stephen · CIK 0001544201 · Sr. Vice President - Tax

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,035

F1 · price: This transaction was executed in multiple trades at prices ranging from $102.24 USD to $102.26 USD; the price reported above reflects the weighted average sale price.

SEC source: 0001562180-24-001300 · primarydocument.xml · nonDerivative · entry 6

HARLAN MICHAEL W · CIK 0001064313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,161.936

F2 · balance_after: Amount of securities beneficially owned at December 31, 2019, 2020, 2021 and 2022: 8,966.264, 9,033.313, 9,074.517, 9,115.673, respectively.

SEC source: 0001562180-21-000390 · primarydocument.xml · nonDerivative · entry 1

HALL DAVID M · CIK 0001089079 · Sr. Vice President - Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,626

F1 · balance_after: Reporting person transferred 2,798 shares to his ex-wife pursuant to a domestic relations order. Reporting person no longer claims beneficial ownership of these shares.

SEC source: 0001562180-20-005925 · primarydocument.xml · nonDerivative · entry 1

LITTLE JAMES · CIK 0001130416 · Executive VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,014

SEC source: 0001562180-20-005698 · primarydocument.xml · nonDerivative · entry 1

GUILLET EDWARD E · CIK 0001203079 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,745

SEC source: 0001562180-20-005642 · primarydocument.xml · derivative · entry 3

JORDAN ELISE LIPMAN · CIK 0001784928 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 630 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_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on August 21, 2019 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on August 21, 2019 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

SEC source: 0001562180-20-005642 · primarydocument.xml · nonDerivative · entry 2

JORDAN ELISE LIPMAN · CIK 0001784928 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 845

F1 · price: For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. $131.06 CAD = $99.4614 US

SEC source: 0001562180-20-005642 · primarydocument.xml · nonDerivative · entry 1

JORDAN ELISE LIPMAN · CIK 0001784928 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,176

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.

SEC source: 0001562180-24-001300 · primarydocument.xml · nonDerivative · entry 5

HARLAN MICHAEL W · CIK 0001064313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,161.936

SEC source: 0001562180-20-005503 · primarydocument.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,811

SEC source: 0001562180-21-000391 · primarydocument.xml · nonDerivative · entry 2

Shea Patrick James · CIK 0001428227 · Exec VP, General Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,686

SEC source: 0001562180-20-003860 · primarydocument.xml · nonDerivative · entry 1

JACKMAN WORTHING · CIK 0001229832 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,239

SEC source: 0001562180-21-000389 · primarydocument.xml · nonDerivative · entry 1

CHAMBLISS DARRELL W · CIK 0001064311 · EVP & COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

SEC source: 0001562180-24-001300 · primarydocument.xml · nonDerivative · entry 4

HARLAN MICHAEL W · CIK 0001064313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,161.936

F1 · balance_after: This purchase resulted in a matching transaction for Section 16(b) reporting purposes. As a result, the reporting person has reimbursed Waste Connections, Inc. $698.40 which is the total amount of short swing profit from the matched transactions pursuant to Section 16(b). The transactions in 2019-2022 were due to a broker-assisted dividend reinvestment program inadvertently omitted from prior reports.

SEC source: 0001562180-21-000391 · primarydocument.xml · nonDerivative · entry 1

Shea Patrick James · CIK 0001428227 · Exec VP, General Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,696