Exhibit 99.1 PRESS RELEASE NCS MULTISTAGE HOLDINGS, INC. ANNOUNCES THIRD QUARTER 2024 RESULTS Third Quarter Results NCS Multistage Holdings, Inc. 19350 State Highway 249, Suite 600 Houston, Texas 77070 ● Total revenues of $44.0 million, a 15% year-over-year improvement, driven in part by increased international revenues ● Net income of $4.1 million and diluted earnings per share of $1.60, compared to $4.4 million and diluted earnings per share of $1.77 one year ago ● Adjusted EBITDA of $7.1 million, a $0.3 ...