◘ MesaLabs Investor Presentation August 3, 2023 Gary Owens, President and CEO John Sakys, CFO John Sullivan, Chairman and Investor Relations Safe Harbor Statement The information provided in this presentation contains forward-looking statements within the meaning of the federal securities laws. Any statements contained herein that are not statements of historical fact may be deemed to be forward-looking statements, including statements relating to: projections of revenues, growth, operating results, profit ...

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, 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: 0-11740 MESA LABORATORIES, INC. (Exact name of registrant as specified in its charter) Colorado 84-0872291 (State or oth ...

FORM 10-K 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 March 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: 0-11740 MESA LABORATORIES, INC. (Exact name of registrant as specified in its charter) Colorado 84-0872291 ( ...

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 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 No: 0-11740 MESA LABORATORIES, INC. (Exact name of registrant as specified in its charter) Colorado 84-0872291 (State or ...

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 No: 0-11740 MESA LABORATORIES, INC. Colorado 84-0872291 (State or other jurisdiction of (I.R.S. Employer incorporation ...

◘ MesaLabs Investor Presentation August 4, 2022 Gary Owens, President and CEO John Sakys, CFO John Sullivan, Chairman and Investor Relations Safe Harbor Statement The information provided in this presentation contains forward-looking statements within the meaning of the federal securities laws. Any statements contained herein that are not statements of historical fact may be deemed to be forward-looking statements, including statements relating to: projections of revenues, growth, operating results, profit ...

or 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 Table of Contents For the quarterly period ended June 30, 2022 ☐ 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: 0-11740 MESA LABORATORIES, INC. (Exact name of registrant as specified in its charter) Colorado 84-0872291 (State or oth ...

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 March 31, 2022 ☐ 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: 0-11740 MESA LABORATORIES, INC. (Exact name of registrant as specified in its charter) Colorado 84-0872291 (State or o ...

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 December 31, 2021 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: 0-11740 MESA LABORATORIES, INC. (Exact name of registrant as specified in its charter) Colorado 84-0872291 (State or ...

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, 2021 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: 0-11740 MESA LABORATORIES, INC. (Exact name of registrant as specified in its charter) Colorado 84-0872291 (State o ...