Exhibit 99.1 COMPANY: Perma-Pipe International Holdings, Inc. CONTACT: David Mansfield, President and CEO Perma-Pipe Investor Relations (847) 929-1200 investor@permapipe.com Perma-Pipe International Holdings, Inc. Announces Fourth Quarter and Fiscal 2023 Financial Results • The Company generated net sales of $40.2 million for the quarter and $150.7 million for the year • Income before income taxes of $3.2 million for the quarter and $9.9 million for the year • Net income of $8.6 million for the quarter and ...

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 October 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ________ to ________ Commission File No. 001-32530 Perma-Pipe International Holdings, Inc. (Exact name of registrant as specified in its charter) Delawa ...

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 July 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ________ to ________ Commission File No. 001-32530 Perma-Pipe International Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware ...

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 April 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ________ to ________ Commission File No. 001-32530 Perma-Pipe International Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended January 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 No. 001-32530 Perma-Pipe International Holdings, Inc. (Exact name of registrant as specified in its charter) Dela ...