ATKR

SEC source: 0001666138-17-000119 · wf-form4_151208369722650.xml · derivative · entry 2

Schulte Michael J · CIK 0001674316 · VP & Grp. Pres, MP&S

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,007

Underlying: Common Stock · 18,007 shares

Expires 2027-11-28

F2 · derivative.exercise_date: Represents stock options. The options vest and become exercisable ratably in three installments on each anniversary of November 28, 2017, subject to continued employment.

SEC source: 0001666138-17-000119 · wf-form4_151208369722650.xml · nonDerivative · entry 1

Schulte Michael J · CIK 0001674316 · VP & Grp. Pres, MP&S

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 126,184

F1 · security: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on each anniversary of November 28, 2017, subject to continued employment. The RSUs settle into common stock of the Issuer no later than March 15th of the calendar year immediately following the calendar year in which vesting occurs.

SEC source: 0001666138-17-000121 · wf-form4_151208373393412.xml · derivative · entry 7

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,006

Underlying: Common Stock · 15,006 shares

Expires 2027-11-28

F6 · derivative.exercise_date: Represents stock options. The options vest and become exercisable ratably in three installments on each anniversary of November 28, 2017, subject to continued employment.

SEC source: 0001666138-17-000121 · wf-form4_151208373393412.xml · derivative · entry 6

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,733

Underlying: Common Stock · 74,235 shares

Expires 2022-12-07

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.

F5 · derivative.exercise_date: These options are fully vested and exercisable.

SEC source: 0001666138-17-000121 · wf-form4_151208373393412.xml · nonDerivative · entry 3

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,235

F3 · security: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on each anniversary of November 28, 2017, subject to continued employment. The RSUs settle into common stock of the Issuer no later than March 15th of the calendar year immediately following the calendar year in which vesting occurs.

SEC source: 0001666138-17-000121 · wf-form4_151208373393412.xml · nonDerivative · entry 2

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,988

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F2 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $20.00 to $20.01 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

SEC source: 0001666138-17-000121 · wf-form4_151208373393412.xml · nonDerivative · entry 1

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,223

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: 0001666138-17-000116 · wf-form4_151208364394714.xml · derivative · entry 6

Fitzpatrick Kevin P · CIK 0001454306 · VP, Global Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,504

Underlying: Common Stock · 10,504 shares

Expires 2027-11-28

F5 · derivative.exercise_date: Represents stock options. The options vest and become exercisable ratably in three installments on each anniversary of November 28, 2017, subject to continued employment.

SEC source: 0001666138-17-000116 · wf-form4_151208364394714.xml · nonDerivative · entry 1

Fitzpatrick Kevin P · CIK 0001454306 · VP, Global Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,223

F1 · security: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on each anniversary of November 28, 2017, subject to continued employment. The RSUs settle into common stock of the Issuer no later than March 15th of the calendar year immediately following the calendar year in which vesting occurs.

SEC source: 0001666138-17-000099 · wf-form4_151182042038094.xml · derivative · entry 6

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,968

Underlying: Common Stock · 200 shares

Expires 2022-12-07

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: These options are fully vested and exercisable.

SEC source: 0001666138-17-000099 · wf-form4_151182042038094.xml · nonDerivative · entry 4

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,988

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

SEC source: 0001666138-17-000099 · wf-form4_151182042038094.xml · nonDerivative · entry 3

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,188

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: 0001666138-17-000100 · wf-form4_151182043594603.xml · derivative · entry 3

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 483,352

Underlying: Common Stock · 8,641 shares

Expires 2021-06-10

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: These options are fully vested and exercisable.

SEC source: 0001666138-17-000100 · wf-form4_151182043594603.xml · nonDerivative · entry 2

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,555

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F2 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $20.00 to $20.02 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

SEC source: 0001666138-17-000100 · wf-form4_151182043594603.xml · nonDerivative · entry 1

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,196

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: 0001666138-17-000099 · wf-form4_151182042038094.xml · derivative · entry 5

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,168

Underlying: Common Stock · 9,575 shares

Expires 2022-12-07

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: These options are fully vested and exercisable.

SEC source: 0001666138-17-000099 · wf-form4_151182042038094.xml · nonDerivative · entry 2

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,988

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F2 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $20.00 to $20.02 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

SEC source: 0001666138-17-000099 · wf-form4_151182042038094.xml · nonDerivative · entry 1

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,563

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: 0001666138-17-000092 · wf-form4_150888225325670.xml · derivative · entry 6

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 491,993

Underlying: Common Stock · 42,471 shares

Expires 2021-06-10

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: These options are fully vested and exercisable.

SEC source: 0001666138-17-000092 · wf-form4_150888225325670.xml · nonDerivative · entry 4

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,555

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F2 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $20.00 to $20.03 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

SEC source: 0001666138-17-000092 · wf-form4_150888225325670.xml · nonDerivative · entry 3

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 208,026

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: 0001666138-17-000093 · wf-form4_150888226893174.xml · derivative · entry 6

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 209,743

Underlying: Common Stock · 55,989 shares

Expires 2022-12-07

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: These options are fully vested and exercisable.

SEC source: 0001666138-17-000093 · wf-form4_150888226893174.xml · nonDerivative · entry 4

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,988

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F2 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $20.00 to $20.05 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

SEC source: 0001666138-17-000093 · wf-form4_150888226893174.xml · nonDerivative · entry 3

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,977

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: 0001666138-17-000092 · wf-form4_150888225325670.xml · derivative · entry 5

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 534,464

Underlying: Common Stock · 13,536 shares

Expires 2021-06-10

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: These options are fully vested and exercisable.

SEC source: 0001666138-17-000092 · wf-form4_150888225325670.xml · nonDerivative · entry 2

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,555

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

SEC source: 0001666138-17-000092 · wf-form4_150888225325670.xml · nonDerivative · entry 1

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 179,091

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: 0001666138-17-000093 · wf-form4_150888226893174.xml · derivative · entry 5

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 265,732

Underlying: Common Stock · 21,867 shares

Expires 2022-12-07

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: These options are fully vested and exercisable.

SEC source: 0001666138-17-000093 · wf-form4_150888226893174.xml · nonDerivative · entry 2

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,988

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

SEC source: 0001666138-17-000093 · wf-form4_150888226893174.xml · nonDerivative · entry 1

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,855

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: 0001666138-17-000089 · wf-form4_150784253214663.xml · derivative · entry 3

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 287,599

Underlying: Common Stock · 101 shares

Expires 2022-12-07

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 are fully vested and exercisable.

SEC source: 0001666138-17-000089 · wf-form4_150784253214663.xml · nonDerivative · entry 2

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,988

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

SEC source: 0001666138-17-000089 · wf-form4_150784253214663.xml · nonDerivative · entry 1

MALLAK JAMES A · CIK 0001276299 · Vice President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,089

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: 0001666138-17-000079 · wf-form4_150490586206464.xml · nonDerivative · entry 1

Lariviere Peter J · CIK 0001674832 · VP & Pres., Cable Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,609

F1 · security: Reflects the award of restricted stock units, which are scheduled to vest based on continued employment through the third anniversary of the grant date or termination due to death or disability prior to such date. In the event of earlier termination without cause, a prorated award shall vest.

SEC source: 0001666138-17-000077 · wf-form4_150490582960522.xml · nonDerivative · entry 1

Waltz William E Jr. · CIK 0001674332 · VP & Pres., Conduit & Fittings

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,548

F1 · security: Reflects the award of restricted stock units, which are scheduled to vest based on continued employment through the third anniversary of the grant date or termination due to death or disability prior to such date. In the event of earlier termination without cause, a prorated award shall vest.

SEC source: 0001666138-17-000078 · wf-form4_150490584538690.xml · nonDerivative · entry 1

Schulte Michael J · CIK 0001674316 · Pres, Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,688

F1 · security: Reflects the award of restricted stock units, which are scheduled to vest based on continued employment through the third anniversary of the grant date or termination due to death or disability prior to such date. In the event of earlier termination without cause, a prorated award shall vest.

SEC source: 0001666138-17-000061 · wf-form4_150188247889659.xml · nonDerivative · entry 1

James Wilbert W Jr · CIK 0001713395 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,126

F1 · security: Reflects the award of restricted stock units, which are scheduled to vest based on continued service as a Director on the earlier of (a) the day immediately preceding the first anniversary of the grant date and (b) the day immediately preceding the Atkore International Group Inc. annual meeting of stockholders next following the grant date.

SEC source: 0001666138-17-000060 · wf-form4_150188246201654.xml · nonDerivative · entry 1

Kershaw Justin A · CIK 0001713397 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,126

F1 · security: Reflects the award of restricted stock units, which are scheduled to vest based on continued service as a Director on the earlier of (a) the day immediately preceding the first anniversary of the grant date and (b) the day immediately preceding the Atkore International Group Inc. annual meeting of stockholders next following the grant date.

SEC source: 0001666138-17-000049 · wf-form4_149791092571607.xml · derivative · entry 6

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 408,000

Underlying: Common Stock · 33,930 shares

Expires 2021-06-10

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.

F4 · derivative.exercise_date: These options are fully vested and exercisable.

SEC source: 0001666138-17-000049 · wf-form4_149791092571607.xml · nonDerivative · entry 4

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,555

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F3 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $21.59 to $21.89 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

SEC source: 0001666138-17-000049 · wf-form4_149791092571607.xml · nonDerivative · entry 3

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,485

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: 0001666138-17-000049 · wf-form4_149791092571607.xml · derivative · entry 5

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 441,930

Underlying: Common Stock · 36,070 shares

Expires 2021-06-10

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.

F4 · derivative.exercise_date: These options are fully vested and exercisable.

SEC source: 0001666138-17-000049 · wf-form4_149791092571607.xml · nonDerivative · entry 2

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,555

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F2 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $21.74 to $22.09 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

SEC source: 0001666138-17-000049 · wf-form4_149791092571607.xml · nonDerivative · entry 1

Williamson John Patrick · CIK 0001674890 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,625

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: 0001666138-17-000039 · wf-form4_149428444486557.xml · derivative · entry 6

Lariviere Peter J · CIK 0001674832 · VP and Pres., Cable Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,760

Underlying: Common Stock · 6,287 shares

Expires 2024-05-22

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.

F4 · derivative.exercise_date: These options are fully vested and exercisable.

SEC source: 0001666138-17-000039 · wf-form4_149428444486557.xml · nonDerivative · entry 4

Lariviere Peter J · CIK 0001674832 · VP and Pres., Cable Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,763

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F3 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $25.00 to $25.94 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

SEC source: 0001666138-17-000039 · wf-form4_149428444486557.xml · nonDerivative · entry 3

Lariviere Peter J · CIK 0001674832 · VP and Pres., Cable Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,684

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: 0001666138-17-000039 · wf-form4_149428444486557.xml · derivative · entry 5

Lariviere Peter J · CIK 0001674832 · VP and Pres., Cable Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,047

Underlying: Common Stock · 22,094 shares

Expires 2024-05-22

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.

F4 · derivative.exercise_date: These options are fully vested and exercisable.

SEC source: 0001666138-17-000039 · wf-form4_149428444486557.xml · nonDerivative · entry 2

Lariviere Peter J · CIK 0001674832 · VP and Pres., Cable Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,397

F1 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F2 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $25.80 to $26.01 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

SEC source: 0001666138-17-000039 · wf-form4_149428444486557.xml · nonDerivative · entry 1

Lariviere Peter J · CIK 0001674832 · VP and Pres., Cable Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,737

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.