C3is Inc.
For the period ended Aug 27, 2026. Filed Aug 27, 2026.
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Aug 27, 2026 · Filed Aug 27, 2026
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CISS$0.43+12.7%Stored close · as of Nov 6, 2026
Contents
EX-99.1 · Fleet Data:
Fleet Data:
The following key indicators highlight the Company’s operating performance during the periods ended June 30, 2025, and June 30, 2026.
| FLEET DATA | Q2 2025 | Q2 2026 | 6M 2025 | 6M 2026 |
|---|---|---|---|---|
| Average number of vessels (1) | 4.0 | 5.0 | 4.0 | 4.5 |
| Period end number of owned vessels in fleet | 4 | 5 | 4 | 5 |
| Total calendar days for fleet (2) | 364 | 453 | 724 | 813 |
| Total voyage days for fleet (3) | 364 | 424 | 724 | 746 |
| Fleet utilization (4) | 100.0% | 93.6% | 100.0% | 91.8% |
| Total charter days for fleet (5) | 217 | 286 | 464 | 511 |
| Total spot market days for fleet (6) | 147 | 138 | 260 | 235 |
| Fleet operational utilization (7) | 78.0% | 78.6% | 84.8% | 81.4% |
| 1) | Average number of vessels is the number of owned vessels that constituted our fleet for the relevant period, as measured by the sum of the number of days each vessel was a part of our fleet during the period divided by the number of calendar days in that period. |
| 2) | Total calendar days for fleet are the total days the vessels we operated were in our possession for the relevant period including off-hire days associated with repairs, drydockings or special or intermediate surveys. |
| 3) | Total voyage days for fleet reflect the total days the vessels we operated were in our possession for the relevant period net of off-hire days associated with repairs, drydockings or special or intermediate surveys. |
| 4) | Fleet utilization is the percentage of time that our vessels were available for revenue generating voyage days and is determined by dividing voyage days by fleet calendar days for the relevant period. |
| 5) | Total charter days for fleet are the number of voyage days the vessels operated on time or bareboat charters for the relevant period. |
| 6) | Total spot market charter days for fleet are the number of voyage days the vessels operated on spot market charters for the relevant period. |
| 7) | Fleet operational utilization is the percentage of time that our vessels generated revenue and is determined by dividing voyage days excluding commercially idle days by fleet calendar days for the relevant period. |
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