2015 Stock Plan

In 2015, the Company adopted the Tempus AI, Inc. 2015 Stock Plan (the “2015 Plan”), which has been amended and restated numerous times to increase the aggregate shares authorized to be issued to employees, consultants, and directors of the Company. As of December 31, 2023, there were 28,115,750 shares authorized under the 2015 Plan.

After the IPO, no further grants will be made under the 2015 Plan.

2024 Equity Incentive Plan

In February 2024, the Company’s board of directors adopted, and in April 2024, the Company’s stockholders approved, the 2024 Equity Incentive Plan (the “2024 Plan”), which became effective in connection with the IPO in June 2024. The 2024 Plan provides for the grant of incentive stock options, (“ISOs”) nonstatutory stock options, stock appreciation rights, RSUs, restricted stock unit awards (“RSAs”), performance-based restricted stock awards (“PSUs”) and other awards. The original maximum number of shares of Class A common stock that may be issued under the 2024 Plan was 7,430,000 shares of the Company’s Class A common stock and automatically increases on January 1 of each year, beginning on January 1, 2025 and continuing through and including January 1, 2034 in an amount equal to either (i) a number of shares of the Company’s Class A common stock (the “Evergreen Increase”), such that the sum of (x) the remaining number of shares available under the 2024 Plan and (y) the Evergreen Increase is equal to 5% of the total number of shares of common stock (both Class A and Class B) outstanding on December 31 of the preceding calendar year, or (ii) a lesser number of shares determined by the Company’s board of directors prior to the applicable January 1. The maximum number of shares that may be issued upon the exercise of ISOs under the 2024 Plan is 22,290,000 shares. As of March 31, 2026, there were 8,405,137 shares of the Company's Class A common stock that may be issued under the 2024 Plan.

The Company granted 490,801 RSUs during the three months ended March 31, 2026. The Company granted 175,000 PSUs to a non-employee during the three months ended March 31, 2026. Refer to Note 16 for further detail regarding the PSU grant.