Hercules Capital, Inc. Quarterly report pursuant to Section 13 or 15(d)

[1]	Denotes that all or a portion of the investment in this portfolio company is held by Hercules Capital IV, L.P., the Company’s wholly owned small business investment company.
[2]	Gross unrealized appreciation, gross unrealized depreciation, and net unrealized depreciation for federal income tax purposes totaled $127.7 million, $129.5 million and $1.8 million, respectively. The tax cost of investments is $3.6 billion
[3]	Except for warrants in 25 publicly traded companies and common stock in 35 publicly traded companies, all investments are restricted as of March 31, 2024 and were valued at fair value using Level 3 significant unobservable inputs as determined in good faith by the Company’s valuation committee (the “Valuation Committee”) and approved by the board of directors (the “Board”).
[4]	Value as a percent of net assets. All amounts are stated in U.S. Dollars unless otherwise noted. The Company uses the Standard Industrial Code for classifying the industry grouping of its portfolio companies.
[5]	Gross unrealized appreciation, gross unrealized depreciation, and net unrealized appreciation for federal income tax purposes totaled $118.3 million, $115.9 million, and $2.4 million, respectively. The tax cost of investments is $3.2 billion.
[6]	Denotes second lien senior secured debt.
[7]	Interest rate PRIME represents 8.50% as of December 31, 2023. 1-month SOFR, 3-month SOFR, and 6-month SOFR represent 5.34%, 5.36%, and 5.35%, respectively, as of December 31, 2023.
[8]	Denotes that all or a portion of the debt investment principal includes accumulated PIK interest and is net of repayments.
[9]	Denotes that all or a portion of the debt investment secures the 2031 Asset-Backed Notes (as defined in “Note 5 — Debt”).
[10]	Denotes that all or a portion of the investment is pledged as collateral under the MUFG Bank Facility (as defined in “Note 5 — Debt”).
[11]	Denotes that all or a portion of the debt investment is pledged as collateral under the SMBC Facility (as defined in “Note 5 — Debt”).
[12]	Denotes that there is an unfunded contractual commitment available at the request of this portfolio company as of December 31, 2023 (Refer to “Note 11 — Commitments and Contingencies”).
[13]	Denotes unitranche debt with first lien “last-out” senior secured position and security interest in all assets of the portfolio company whereby the “last-out” portion will be subordinated to the “first-out” portion in a liquidation, sale or other disposition.
[14]	Denotes that all or a portion of the investment in this portfolio company is held by Hercules Capital IV, L.P., the Company’s wholly owned small business investment company.
[15]	Non-U.S. company or the company’s principal place of business is outside the United States.
[16]	Indicates assets that the Company deems not “qualifying assets” under section 55(a) of 1940 Act. Qualifying assets must represent at least 70% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets.
[17]	Denotes that all or a portion of the debt investment is convertible debt.
[18]	Denotes that the fair value of the Company’s total investments in this portfolio company represent greater than 5% of the Company’s total net assets as of December 31, 2023.
[19]	Control investment as defined under the 1940 Act in which Hercules owns at least 25% of the company’s voting securities or has greater than 50% representation on its board.
[20]	Gibraltar Acquisition LLC is a wholly-owned subsidiary, which is the holding company for their wholly-owned affiliated portfolio companies, Gibraltar Business Capital, LLC and Gibraltar Equipment Finance, LLC.
[21]	Hercules Adviser LLC is owned by Hercules Capital Management LLC and presented with Hercules Partner Holdings, LLC which are both wholly owned by the Company. Please refer to “Note 1” for additional disclosure.
[22]	Denotes the security holds rights to royalty fee income associated with certain products of the portfolio company. The approximate cost and fair value of the royalty contract are $12.0 million and $9.4 million, respectively.
[23]	Debt is on non-accrual status as of December 31, 2023, and is therefore considered non-income producing.
[24]	Value as a percent of net assets. All amounts are stated in U.S. Dollars unless otherwise noted. The Company uses the Standard Industrial Code for classifying the industry grouping of its portfolio companies.
[25]	Denotes that all or a portion of the debt investment principal includes accumulated PIK interest and is net of repayments.
[26]	Denotes that all or a portion of the debt investment secures the 2031 Asset-Backed Notes (as defined in “Note 5 — Debt”).
[27]	Denotes that all or a portion of the investment is pledged as collateral under the MUFG Bank Facility (as defined in “Note 5 — Debt”).
[28]	Interest rate PRIME represents 8.50% as of March 31, 2024. 1-month SOFR, 3-month SOFR and 6-month SOFR represent 5.32%, 5.35%, and 5.39%, respectively, as of March 31, 2024.
[29]	Denotes second lien senior secured debt.
[30]	Denotes that all or a portion of the debt investment is pledged as collateral under the SMBC Facility (as defined in “Note 5 — Debt”).
[31]	Denotes that there is an unfunded contractual commitment available at the request of this portfolio company as of March 31, 2024 (Refer to “Note 11 - Commitments and Contingencies”).
[32]	Denotes unitranche debt with first lien “last-out” senior secured position and security interest in all assets of the portfolio company whereby the “last-out” portion will be subordinated to the “first-out” portion in a liquidation, sale or other disposition.
[33]	Indicates assets that the Company deems not “qualifying assets” under section 55(a) of 1940 Act. Qualifying assets must represent at least 70% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets.
[34]	Non-U.S. company or the company’s principal place of business is outside the United States
[35]	Denotes that all or a portion of the debt investment is convertible debt.
[36]	Denotes that the fair value of the Company’s total investments in this portfolio company represent greater than 5% of the Company’s total net assets as of March 31, 2024.
[37]	Control investment as defined under the 1940 Act in which Hercules owns at least 25% of the company’s voting securities or has greater than 50% representation on its board.
[38]	Gibraltar Acquisition LLC is a wholly-owned subsidiary, which is the holding company for their wholly-owned affiliated portfolio companies, Gibraltar Business Capital, LLC and Gibraltar Equipment Finance, LLC.
[39]	Hercules Adviser LLC is owned by Hercules Capital Management LLC and presented with Hercules Partner Holdings, LLC which are both wholly owned by the Company. Please refer to “Note 1” for additional disclosure.
[40]	Denotes the security holds rights to royalty fee income associated with certain products of the portfolio company. The approximate cost and fair value of the royalty contract are $12.0 million and $9.8 million, respectively.
[41]	Debt is on non-accrual status as of March 31, 2024, and is therefore considered non-income producing.
[42]	Except for warrants in 24 publicly traded companies and common stock in 36 publicly traded companies, all investments are restricted as of December 31, 2023 and were valued at fair value using Level 3 significant unobservable inputs as determined in good faith by the Company’s valuation committee (the “Valuation Committee”) and approved by the board of directors (the “Board”)
[43]	Denotes investment in a non-voting security in the form of a promissory note. The terms of the notes provide the Company with a lien on the issuers' shares of Common Stock for Black Crow AI, Inc., subject to release upon repayment of the outstanding balance of the notes. As of March 31, 2024, the Black Crow AI, Inc. affiliates promissory notes had an outstanding balance of $2.4 million.
[44]	Denotes investment in a non-voting security in the form of a promissory note. The terms of the notes provide the Company with a lien on the issuers' shares of Common Stock for Black Crow AI, Inc., subject to release upon repayment of the outstanding balance of the notes. As of December 31, 2023, the Black Crow AI, Inc. affiliates promissory notes had an outstanding balance of $2.4 million.