| Explanation of Responses: |
| (1) | The option exercises/sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person on March 15, 2023. |
| (2) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.04 to $186.03, inclusive. The reporting person undertakes to provide ICU Medical, Inc., any security holder of ICU Medical, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| (3) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.05 to $187.04, inclusive. The reporting person undertakes to provide ICU Medical, Inc., any security holder of ICU Medical, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| (4) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.05 to $188.03, inclusive. The reporting person undertakes to provide ICU Medical, Inc., any security holder of ICU Medical, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| (5) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.06 to $189.03, inclusive. The reporting person undertakes to provide ICU Medical, Inc., any security holder of ICU Medical, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| (6) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.06 to $189.89, inclusive. The reporting person undertakes to provide ICU Medical, Inc., any security holder of ICU Medical, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| (7) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.16 to $191.12, inclusive. The reporting person undertakes to provide ICU Medical, Inc., any security holder of ICU Medical, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| (8) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.44 to $192.385, inclusive. The reporting person undertakes to provide ICU Medical, Inc., any security holder of ICU Medical, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| (9) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.58 to $194.21, inclusive. The reporting person undertakes to provide ICU Medical, Inc., any security holder of ICU Medical, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| (10) | All shares sold were sold at the exact price disclosed. |
| (11) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.52 to $193.515, inclusive. The reporting person undertakes to provide ICU Medical, Inc., any security holder of ICU Medical, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| (12) | This transaction represented a gift of securities from the reporting person to two trusts for the benefit of family members, who share the same household. The reporting person disclaims beneficial ownership of the shares held by the trusts, and this report shall not be deemed as an admission that the reporting person is the beneficial owner of the trust's shares for purposes of Section 16 or for any other purpose. |