AHR · American Healthcare REIT, Inc.

This transaction was executed in multiple trades at prices ranging from $50.4400 to $50.9400, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares sold at each separate price within the range set forth herein.

Upon her re-election as a director to the board of directors of the Issuer on June 24, 2026, the Reporting Person was granted 2,594 shares of restricted common stock on June 24, 2026. The reported shares of restricted common stock vest on June 24, 2027.

Upon his re-election as a director to the board of directors of the Issuer on June 24, 2026, the Reporting Person was granted 2,594 shares of restricted common stock on June 24, 2026. The reported shares of restricted common stock vest on June 24, 2027.

Upon her re-election as a director to the board of directors of the Issuer on June 24, 2026, the Reporting Person was granted 2,594 shares of restricted common stock on June 24, 2026. The reported shares of restricted common stock vest on June 24, 2027.

Upon his re-election as a director to the board of directors of the Issuer on June 24, 2026, the Reporting Person was granted 2,594 shares of restricted common stock on June 24, 2026. The reported shares of restricted common stock vest on June 24, 2027.

Upon his re-election as a director to the board of directors of the Issuer on June 24, 2026, the Reporting Person was granted 2,594 shares of restricted common stock on June 24, 2026. The reported shares of restricted common stock vest on June 24, 2027.

Upon his re-election as a director to the board of directors of the Issuer on June 24, 2026, the Reporting Person was granted 2,594 shares of restricted common stock on June 24, 2026. The reported shares of restricted common stock vest on June 24, 2027.

Upon his re-election as a director to the board of directors of the Issuer on June 24, 2026, the Reporting Person was granted 2,594 shares of restricted common stock on June 24, 2026. The reported shares of restricted common stock vest on June 24, 2027.

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 19, 2025.

The transaction described herein was made pursuant to an exception to a lock-up agreement between the Reporting Person and the underwriter of the Issuer's offering of shares of common stock that closed on May 22, 2026.

Shares withheld by the Issuer on April 6, 2026 to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on April 3, 2026.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Shares withheld by the Issuer on April 6, 2026 to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on April 3, 2026.

Shares withheld by the Issuer on April 6, 2026 to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on April 3, 2026.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On April 3, 2023, the Issuer awarded the Reporting Person 20,303 time-based restricted stock units ("RSUs"). The RSUs vest ratably on April 3, 2024, 2025 and 2026 (subject to continuous employment through each vesting date).

Shares withheld by the Issuer on April 6, 2026 to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on April 3, 2026.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On April 3, 2023, the Issuer awarded the Reporting Person 47,771 time-based RSUs. The RSUs vest ratably on April 3, 2024, 2025 and 2026 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On April 3, 2023, the Issuer awarded the Reporting Person 8,957 time-based RSUs. The RSUs vest ratably on April 3, 2024, 2025 and 2026 (subject to continuous employment through each vesting date).

Shares withheld by the Issuer on April 6, 2026 to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on April 3, 2026.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On April 3, 2023, the Issuer awarded the Reporting Person 20,303 time-based RSUs. The RSUs vest ratably on April 3, 2024, 2025 and 2026 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On April 3, 2023, the Issuer awarded the Reporting Person 9,554 time-based RSUs. The RSUs vest ratably on April 3, 2024, 2025 and 2026 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 26, 2026, the Issuer awarded the Reporting Person 42,756 time-based RSUs. The RSUs vest on the earlier of (1) March 15, 2027 and (2) within 30 days following his termination as Interim Chief Executive Officer and President of the Issuer ("Interim CEO"). If the Reporting Person's service as Interim CEO ends prior to December 31, 2026, he will receive a pro-rated portion of the grant date value of the RSUs based on the portion of the 2026 calendar year during which he served as Interim CEO.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2025, the Issuer awarded the Reporting Person 11,021 time-based RSUs. The RSUs vest ratably on March 25, 2026, 2027 and 2028 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2025, the Issuer awarded the Reporting Person 16,447 time-based RSUs. The RSUs vest ratably on March 25, 2026, 2027 and 2028 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2026, the Issuer awarded the Reporting Person 15,114 time-based RSUs. The RSUs will vest ratably on March 10, 2027, 2028 and 2029 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2024, the Issuer awarded the Reporting Person 92,656 time-based RSUs. The RSUs vest ratably on March 25, 2025, 2026 and 2027 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2024, the Issuer awarded the Reporting Person 22,306 time-based RSUs. The RSUs vest ratably on March 25, 2025, 2026 and 2027 (subject to continuous employment through each vesting date).

Shares withheld by the Issuer to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on March 25, 2026.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Shares withheld by the Issuer to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on March 25, 2026.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2024, the Issuer awarded the Reporting Person 29,170 time-based RSUs. The RSUs vest ratably on March 25, 2025, 2026 and 2027 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2026, the Issuer awarded the Reporting Person 10,317 time-based RSUs. The RSUs will vest ratably on March 10, 2027, 2028 and 2029 (subject to continuous employment through each vesting date).

Shares withheld by the Issuer to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on March 25, 2026.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2024, the Issuer awarded the Reporting Person 41,181 time-based RSUs. The RSUs vest ratably on March 25, 2025, 2026 and 2027 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2026, the Issuer awarded the Reporting Person 6,510 time-based RSUs. The RSUs will vest ratably on March 10, 2027, 2028 and 2029 (subject to continuous employment through each vesting date).

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2026, the Issuer awarded the Reporting Person 9,510 time-based RSUs. The RSUs will vest ratably on March 10, 2027, 2028 and 2029 (subject to continuous employment through each vesting date).

Shares withheld by the Issuer to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on March 25, 2026.

Shares withheld by the Issuer to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on March 25, 2026.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.

On March 25, 2025, the Issuer awarded the Reporting Person 62,737 time-based RSUs. The RSUs vest ratably on March 25, 2026, 2027 and 2028 (subject to continuous employment through each vesting date).

Shares withheld by the Issuer to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on March 25, 2026.

Shares withheld by the Issuer to satisfy the Reporting Person's tax obligations associated with the vesting of time-based RSUs on March 25, 2026.

Each restricted stock unit ("RSU") converts into one share of the Issuer's common stock.