POWL

SEC source: 0000080420-24-000068 · wk-form4_1726604348.xml · nonDerivative · entry 3

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 143,699

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F5 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $170.05-171.01, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000068 · wk-form4_1726604348.xml · nonDerivative · entry 2

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 144,775

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F4 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $169.01-169.99, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000068 · wk-form4_1726604348.xml · nonDerivative · entry 1

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 145,450

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F2 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $167.76-168.71, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000066 · wk-form4_1725999626.xml · nonDerivative · entry 1

Mauney William Marshall Jr · CIK 0002025220 · Vice President, R&D

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,420

F1 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000064 · wk-form4_1724965754.xml · nonDerivative · entry 6

McGill James W · CIK 0001299345 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,660

F1 · shares: Represents number of shares sold at the average reporting range.

F8 · price: Price in this column represents the average price of the reporting range. Shares were sold in multiple transactions with a reporting range of $188.46-188.57, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000064 · wk-form4_1724965754.xml · nonDerivative · entry 5

McGill James W · CIK 0001299345 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,770

F1 · shares: Represents number of shares sold at the average reporting range.

F7 · price: Price in this column represents the average price of the reporting range. Shares were sold in multiple transactions with a reporting range of $187.45-188.43, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000064 · wk-form4_1724965754.xml · nonDerivative · entry 4

McGill James W · CIK 0001299345 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,359

F1 · shares: Represents number of shares sold at the average reporting range.

F6 · price: Price in this column represents the average price of the reporting range. Shares were sold in multiple transactions with a reporting range of $186.44-187.35, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000064 · wk-form4_1724965754.xml · nonDerivative · entry 3

McGill James W · CIK 0001299345 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,659

F1 · shares: Represents number of shares sold at the average reporting range.

F5 · price: Price in this column represents the average price of the reporting range. Shares were sold in multiple transactions with a reporting range of $185.00-186.00, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000064 · wk-form4_1724965754.xml · nonDerivative · entry 2

McGill James W · CIK 0001299345 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,974

F1 · shares: Represents number of shares sold at the average reporting range.

F4 · price: Price in this column represents the average price of the reporting range. Shares were sold in multiple transactions with a reporting range of $183.75-184.19, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000064 · wk-form4_1724965754.xml · nonDerivative · entry 1

McGill James W · CIK 0001299345 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,429

F1 · shares: Represents number of shares sold at the average reporting range.

F2 · price: Price in this column represents the average price of the reporting range. Shares were sold in multiple transactions with a reporting range of $182.70-183.67, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000063 · wk-form4_1724099706.xml · nonDerivative · entry 5

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,100

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F7 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $167.69-168.46, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000063 · wk-form4_1724099706.xml · nonDerivative · entry 4

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,291

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F6 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $166.55-167.53, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000063 · wk-form4_1724099706.xml · nonDerivative · entry 3

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,901

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F5 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $165.30-165.61, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000063 · wk-form4_1724099706.xml · nonDerivative · entry 2

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,199

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F4 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $164.22-165.18, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000063 · wk-form4_1724099706.xml · nonDerivative · entry 1

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,000

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F2 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $163.19-163.34, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000062 · wk-form4_1724099627.xml · nonDerivative · entry 1

Mauney William Marshall Jr · CIK 0002025220 · Vice President, R&D

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,190

F1 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000061 · wk-form4_1723236907.xml · nonDerivative · entry 4

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 145,987

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F6 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $164.45-164.76, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000061 · wk-form4_1723236907.xml · nonDerivative · entry 3

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 146,207

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F5 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $163.40-164.34, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000061 · wk-form4_1723236907.xml · nonDerivative · entry 2

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 146,763

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F4 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $162.06-162.66, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000061 · wk-form4_1723236907.xml · nonDerivative · entry 1

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 147,684

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F2 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $161.03-161.80, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000060 · wk-form4_1722977938.xml · nonDerivative · entry 1

Callahan Robert B · CIK 0001407340 · Chief Human Resource Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,066

F1 · balance_after: Includes shares that have a time-based vesting provision.

F1 · ownership.direct: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000053 · wk-form4_1720819679.xml · nonDerivative · entry 5

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 148,737

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F2 · balance_after: Includes shares that have a time-based vesting provision.

F7 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $146.04-146.49, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000053 · wk-form4_1720819679.xml · nonDerivative · entry 4

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 149,040

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F2 · balance_after: Includes shares that have a time-based vesting provision.

F6 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $143.30-143.72, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000053 · wk-form4_1720819679.xml · nonDerivative · entry 3

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 149,302

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F2 · balance_after: Includes shares that have a time-based vesting provision.

F5 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $142.00-142.94, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000053 · wk-form4_1720819679.xml · nonDerivative · entry 2

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 150,539

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F2 · balance_after: Includes shares that have a time-based vesting provision.

F4 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $140.95-141.50, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000053 · wk-form4_1720819679.xml · nonDerivative · entry 1

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 150,933

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F2 · balance_after: Includes shares that have a time-based vesting provision.

F3 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $139.80-140.47, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000051 · wk-form4_1719603646.xml · nonDerivative · entry 1

HOGLUND PETER G · CIK 0002028888 · Vice Pres, Global Service

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,501

F1 · shares: Represents a grant of sign-on restricted stock units which have a time-based vesting provision of the first, second and third anniversary of the date of the grant.

F2 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000048 · wk-form4_1718743478.xml · nonDerivative · entry 6

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 151,487

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000048 · wk-form4_1718743478.xml · nonDerivative · entry 5

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 151,587

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F7 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $171.71-172.00, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000048 · wk-form4_1718743478.xml · nonDerivative · entry 4

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 151,887

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F6 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $167.40-168.01, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000048 · wk-form4_1718743478.xml · nonDerivative · entry 3

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 152,287

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F5 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $166.21-166.22, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000048 · wk-form4_1718743478.xml · nonDerivative · entry 2

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 152,395

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F4 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $165.00-166.00, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000048 · wk-form4_1718743478.xml · nonDerivative · entry 1

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 153,127

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2024.

F2 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $163.98-164.98, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000046 · wk-form4_1718058135.xml · nonDerivative · entry 4

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,400

F3 · balance_after: Includes shares that have a time-based vesting provision.

F6 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $158.96-159.25, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000046 · wk-form4_1718058135.xml · nonDerivative · entry 3

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,743

F3 · balance_after: Includes shares that have a time-based vesting provision.

F5 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $157.78-158.74, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000046 · wk-form4_1718058135.xml · nonDerivative · entry 2

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,993

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F4 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $156.77-157.77, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000046 · wk-form4_1718058135.xml · nonDerivative · entry 1

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,600

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2024.

F2 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $155.40-156.05, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000047 · wk-form4a_1718113723.xml · nonDerivative · entry 4

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,400

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2024.

F5 · shares: Form amended to add Footnote 1 to this box which was inadvertently omitted on original filing.

F2 · balance_after: Includes shares that have a time-based vesting provision.

F7 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $158.96-159.25, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000047 · wk-form4a_1718113723.xml · nonDerivative · entry 3

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,743

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2024.

F5 · shares: Form amended to add Footnote 1 to this box which was inadvertently omitted on original filing.

F2 · balance_after: Includes shares that have a time-based vesting provision.

F6 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $157.78-158.74, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000047 · wk-form4a_1718113723.xml · nonDerivative · entry 2

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,993

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2024.

F2 · balance_after: Includes shares that have a time-based vesting provision.

F4 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $156.77-157.77, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0000080420-24-000047 · wk-form4a_1718113723.xml · nonDerivative · entry 1

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,600

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2024.

F2 · balance_after: Includes shares that have a time-based vesting provision.

F3 · balance_after: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $155.40-156.05, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

SEC source: 0001219199-24-000007 · primary_doc.xml · nonDerivative · entry 8

POWELL THOMAS W · CIK 0001219199 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in TWP Holdings

Disclosed balance after: 1,668,328

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.47 to 201.04, inclusive.

SEC source: 0000080420-24-000044 · wk-form4_1717508859.xml · nonDerivative · entry 1

Birchall John · CIK 0002025235 · Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,066

F1 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0001219199-24-000007 · primary_doc.xml · nonDerivative · entry 7

POWELL THOMAS W · CIK 0001219199 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in TWP Holdings

Disclosed balance after: 1,668,628

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.59 to $208.055, inclusive.

SEC source: 0001219199-24-000007 · primary_doc.xml · nonDerivative · entry 6

POWELL THOMAS W · CIK 0001219199 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in TWP Holdings

Disclosed balance after: 1,669,546

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.61 to $207.59, inclusive.

SEC source: 0001219199-24-000007 · primary_doc.xml · nonDerivative · entry 5

POWELL THOMAS W · CIK 0001219199 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in TWP Holdings

Disclosed balance after: 1,675,040

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.6475 to $206.59, inclusive.

SEC source: 0001219199-24-000007 · primary_doc.xml · nonDerivative · entry 4

POWELL THOMAS W · CIK 0001219199 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in TWP Holdings

Disclosed balance after: 1,682,414

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.67 to $205.64, inclusive.

SEC source: 0001219199-24-000007 · primary_doc.xml · nonDerivative · entry 3

POWELL THOMAS W · CIK 0001219199 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in TWP Holdings

Disclosed balance after: 1,685,484

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.69 to $204.60, inclusive.

SEC source: 0001219199-24-000007 · primary_doc.xml · nonDerivative · entry 2

POWELL THOMAS W · CIK 0001219199 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in TWP Holdings

Disclosed balance after: 1,686,468

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.78 to $203.615, inclusive.

SEC source: 0001219199-24-000007 · primary_doc.xml · nonDerivative · entry 1

POWELL THOMAS W · CIK 0001219199 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in TWP Holdings

Disclosed balance after: 1,688,211

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.02 to $202.12, inclusive.