Personnel related general and administrative expenses, excluding share-based compensation, increased from €6.4 million for the six months ended June 30, 2023 to €7.7 million for the six months ended June 30, 2024. The increase mainly resulted from an increased headcount in our finance, IT, human resources and communications functions.
Professional and consulting fees increased from €2.7 million for the six months ended June 30, 2023 to €3.3 million for the six months ended June 30, 2024. The increase in professional and consulting fees resulted mainly from higher consulting expenses.
Other external expenses increased from €5.0 million for the six months ended June 30, 2023 to €7.0 million for the six months ended June 30, 2024. The increase in other expenses mainly resulted from increased depreciation and facility expenses.
Change in fair value of warrant liabilities
Subsequent to the Business Combination, there were 7,187,500 warrants outstanding, which were classified as financial liabilities through profit and loss. The warrants entitle the holder to purchase one ordinary share at an exercise price of $11.50 per share. The warrants will expire five years after the completion of the Business Combination or earlier upon redemption or liquidation in accordance with their terms.
The fair value of the warrants decreased from €2.64 ($2.92) per warrant as of December 31, 2023 to €2.50 ($2.70) per warrant as of March 31, 2024 and increased to €2.59 ($2.77) as of June 30, 2024. The result is an increase in fair value of liabilities for warrants of €0.6 million and a corresponding expense for the three months ended June 30, 2024 and a decrease in fair value of liabilities for warrants of €0.4 million for the six months ended June 30, 2024
Other Financial Income and Other Financial Expenses
Other financial income increased from €4.0 million for the three months ended June 30, 2023 to €9.7 million for the three months ended June 30, 2024. The increase mainly resulted from interest income and unrealized foreign exchange gains.
Other financial expenses decreased from €1.1 million for the three months ended June 30, 2023 to €0.3 million for the three months ended June 30, 2024. The decrease mainly resulted from lower foreign exchange losses.
Other financial income increased from €6.7 million for the six months ended June 30, 2023 to €20.6 million for the six months ended June 30, 2024. The increase mainly resulted from higher interest income and higher foreign exchange gains.
Other financial expenses decreased from €4.7 million for the six months ended June 30, 2023 to €0.5 million for the six months ended June 30, 2024. The decrease mainly resulted from lower foreign exchange losses.
Taxes on income
Taxes on income increased from €0.0 million for the three months ended June 30, 2023 to €0.2 million for the three months ended June 30, 2024. The increase mainly resulted from a taxable profit of Immatics GmbH due to revenue recognized in conjunction with the collaboration agreements.
Taxes on income increased from €0.0 million for the six months ended June 30, 2023 to €1.5 million for the six months ended June 30, 2024. The increase mainly resulted from a taxable profit of Immatics GmbH due to revenue recognized in conjunction with the collaboration agreements and the termination of the Genmab collaboration.
Liquidity and Capital Resources
Cash and cash equivalents decreased from €218.5 million as of December 31, 2023 to €158.1 million as of June 30, 2024.
We believe our existing Cash, cash equivalents and Other financial assets will be sufficient to fund our operating expenses and capital expenditure requirements through at least the next 12 months. We may consider raising additional capital to pursue strategic investments, to take advantage of financing opportunities or for other reasons.