Kannan Sugantharaman: The filing discloses the award of restricted stock units (compensation) to an existing officer, not a change in management position or departure.

and in Exhibit 99.1 shall not be deemed filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Nirav Patel: Compensatory arrangement of certain officers.

The filing is about an amendment to the company's stock incentive plan, not a management change.

and in Exhibit 99.1 shall not be deemed filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Nirav Patel: Payment of an annual performance bonus in the form of restricted shares instead of cash.

Nirav Patel: Payment of an annual performance bonus in the form of restricted shares.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information included in

Entry into a Material Definitive Agreement. On March 5, 2026, Mastech Digital, Inc. (the "Company") entered into a Lease Agreement (the "Lease") with EPC-CW15, LLC (the "Landlord") for office space located at 3300 Olympus Boulevard, Suite 560, Dallas, Texas 75019 (the "Property). The initial term of the Lease will commence on August 24, 2026 (or later as specified in the Lease) and have an initial term of five (5) years, which begins after a five (5) month abatement period, unless earlier ter…

Results of Operations and Financial Condition. On February 19, 2026, Mastech Digital, Inc. (the “Company”) issued a press release (the “Press Release”) announcing its financial results for the fourth quarter and full year ended December 31, 2025. A copy of the Press Release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. The information contained in this

Other Events. The Board of Directors of the Company (the “Board”) authorized a share repurchase program that allows the Company to purchase up to $5,000,000 shares of the Company’s Common Stock, par value $0.01 per share (the “Common Stock”) . The share repurchase program is effective February 16, 2026. The Common Stock may be repurchased from time to time through privately negotiated transactions, through block purchases or by any combination of such methods. The share repurchase program may…

Changes in Registrant’s Certifying Accountant. (a) Dismissal of Independent Registered Public Accounting Firm. On December 4, 2025, the Audit Committee (the “Audit Committee”) of the Board of Directors of Mastech Digital, Inc. (the “Company”) approved the dismissal of UHY LLP (“UHY”) as the Company’s independent registered public accounting firm, and UHY was notified of the dismissal on the same date. This dismissal will be effective upon the completion of UHY’s audit and the issuance of its…

Results of Operations and Financial Condition. On November 12, 2025, Mastech Digital, Inc. (the “Company”) issued a press release (the “Press Release”) announcing its financial results for the third quarter ended September 30, 2025. A copy of the Press Release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. The information contained in this

and in Exhibit 99.1 shall not be deemed filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

The filing pertains to a plan amendment, not a management change.

and in Exhibit 99.1 shall not be deemed filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Chief Financial Officer — John J. Cronin, Jr.: John J. Cronin, Jr. resigned as Chief Financial Officer with a successor named.

Results of Operations and Financial Condition. On February 19, 2025, Mastech Digital, Inc. (the “Company”) issued a press release (the “Press Release”) announcing its financial results for the fourth quarter and full year ended December 31, 2024. A copy of the Press Release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. The information contained in this

Director — John Ausura and Brenda Galilee: John Ausura and Brenda Galilee resigned as members of the Board of Directors effective December 31, 2024.

President and Chief Executive Officer — Vivek Gupta: Vivek Gupta resigned from his roles as President and CEO, with a successor appointed.

Results of Operations and Financial Condition. On November 6, 2024, Mastech Digital, Inc. (the “Company”) issued a press release (the “Press Release”) announcing its financial results for the third quarter ended September 30, 2024. A copy of the Press Release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. The information contained in this

Director — Srinivas Kandula, Arun Nayar, Bonnie K. Smith: The company increased its board size and appointed three new independent directors.

and in Exhibit 99.1 shall not be deemed filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

The filing pertains to an amendment and restatement of the company's stock incentive plan, not a management change.

and in Exhibit 99.1 shall not be deemed filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.