Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______to _______ Commission File Number: 0-27140 NORTHWEST PIPE COMPANY (Exact name of registrant as specified in its charter) Oregon 93-0557988 (Sta ...

WWW.NWPIPE.COM MARCH 2023 ABOUT NORTHWEST PIPE COMPANY OPPORTUNITY Steel Pressure Pipe Concrete Pipe & Precast1 Total Addressable Market: $450 - $600 M ② Northwest Pipe Company 20-year water infrastructure investment need by state ② Northwest Pipe Company • Substantial non-revenue water loss: 1. American Society of Civil Engineers "2021 Infrastructure Report Card" Bluefield Research and American Water Works Association. 2. Chart source: Source: Dodge Construction Network as of November 2022 (Note: historica ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-27140 NORTHWEST PIPE COMPANY (Exact name of registrant as specified in its charter) State or other jurisdiction of ...

Northwest Pipe Company (NASDAQ:NWPX) Q4 2022 Earnings Conference Call March 16, 2023 10:00 AM ET Company Participants Scott Montross - President and CEO Aaron Wilkins - CFO Conference Call Participants Ted Jackson - Northland Securities Brent Thielman - D.A. Davidson David Wright - Henry Investment Trust Operator Greetings. Welcome to Northwest Pipe Company Fourth Quarter 2022 Earnings Call. At this time, all participants are in a listen-only mode. A question-and-answer session will follow the formal presen ...

Northwest Pipe Company (NASDAQ:NWPX) Q3 2022 Earnings Conference Call November 9, 2022 10:00 AM ET Company Participants Scott Montross - President and CEO Aaron Wilkins - CFO Conference Call Participants Brent Thielman - D.A. Davidson David Wright - Henry Investment Trust Operator Greetings. Welcome to Northwest Pipe Company's Third Quarter 2022 Earnings Call. [Operator Instructions] Please note, this conference is being recorded. At this time, I will now turn the conference over to Scott Montross, CEO. Mr. ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______to _______ Commission File Number: 0-27140 NORTHWEST PIPE COMPANY (Exact name of registrant as specified in its charter) Oregon 93-0557988 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______to _______ Commission File Number: 0-27140 NORTHWEST PIPE COMPANY (Exact name of registrant as specified in its charter) (Address of principal e ...

INVESTOR PRESENTATION WWW.NWPIPE.COM August 2022 FORWARD LOOKING STATEMENTS Statements in this presentation are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E of the Securities Exchange Act of 1934, as amended, that are based on current expectations, estimates, and projections about the Company's business, management's beliefs, and assumptions made by management. These statements are not guarantees of future performance and involve ris ...

Northwest Pipe Company (NASDAQ:NWPX) Q2 2022 Earnings Conference Call August 8, 2022 5:00 PM ET Company Participants Scott Montross - President & Chief Executive Officer Aaron Wilkins - Chief Financial Officer Conference Call Participants David Wright - Henry Investment Trust Jean Ramirez - D.A. Davidson Operator Thank you for standing by. This is the conference operator. Welcome to the Northwest Pipe Company Second Quarter 2022 Earnings Call. As a reminder, all participants are in a listen-only mode and th ...

Northwest Pipe Company (NASDAQ:NWPX) Q1 2022 Earnings Conference Call May 5, 2022 10:00 AM ET Company Participants Scott Montross - President & Chief Executive Officer Aaron Wilkins - Chief Financial Officer Conference Call Participants Brent Thielman - D.A. Davidson Auguste Richard - Northland Capital Markets David Wright - Henry Investment Trust Operator Greetings. Welcome to the Northwest Pipe Company First Quarter 2022 Earnings Call. [Operator Instructions] And please note that this conference is being ...