Athens, Greece, June 21, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, today announced that it has completed the spin-off of its previously wholly-owned subsidiary, C3is Inc., the holding company for two drybulk carriers, effective June 21, 2023.

Imperial Petroleum stockholders and warrantholders received one C3is common share for every eight shares of Imperial Petroleum’s common stock (“Imperial Petroleum common stock”) owned, or in the case of holders of Imperial Petroleum’s outstanding Warrants that they have the right to purchase pursuant to Warrants owned, at the close of business on June 13, 2023 (the “Record Date”). To the extent the distribution would have resulted in any shareholder owning a fractional C3is common share, such fractional shares will be aggregated by the distribution agent into whole shares, sold in the open market at prevailing rates and the net cash proceeds from the sales distributed pro rata to each holder who would otherwise have been entitled to receive fractional C3is common shares in the distribution.

Athens, Greece, June 15, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”),  a ship-owning company providing petroleum products, crude oil, and drybulk seaborne transportation services, today announced a dividend of approximately $0.546875 per share on its 8.75% Series A Cumulative Redeemable Perpetual Preferred Stock (the “Series A Preferred Shares”), payable on June 30, 2023 to holders of record as of June 27, 2023. The dividend payment relates to the period from the last dividend payment date for the Series A Preferred Shares on March 30, 2023 through June 29, 2023.

ATHENS, GREECE – May 16, 2023 – IMPERIAL PETROLEUM INC. (the “Company”) (Nasdaq: IMPP) today announced that it has received a letter from The Nasdaq Stock Market LLC (“Nasdaq”) informing the Company that it has regained compliance with the minimum bid price requirement under Nasdaq Listing Rule 5550(a)(2) for continued listing on The Nasdaq Capital Market.

The letter noted that, as a result of the closing bid price of the Company's common stock having been at $1.00 per share or higher for at least ten consecutive trading days, from April 28, 2023 through May 11, 2023, the Company has regained compliance with Nasdaq’s Listing Rule 5550(a)(2).

Athens, Greece, June 2, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, today announced that the record date for the spin-off distribution of shares of common stock (“common shares”) of C3is Inc., the newly formed subsidiary that will act as the holding company for two of its drybulk carriers, is June 13, 2023.

Stockholders and warrantholders of the Company will receive one C3is common share for every eight shares of Imperial Petroleum’s common stock (“Imperial Petroleum common stock”) owned, or in the case of holders of Imperial Petroleum’s outstanding Warrants that they have the right to purchase pursuant to Warrants owned, at the close of business on June 13, 2023 (the “Record Date”). The distribution is expected to be made on or about June 21, 2023 (the “Distribution Date”). Fractional common shares will not be distributed. Instead, the distribution agent will aggregate fractional common shares into whole shares, sell such whole shares in the open market at prevailing rates promptly after C3is common shares commence trading on the Nasdaq Capital Market, and distribute the net cash proceeds from the sales pro rata to each holder who would otherwise have been entitled to receive fractional common shares in the distribution. Shares of Imperial Petroleum common stock will trade with due bills from the Record Date through and including the Distribution Date. Accordingly, shareholders and warrantholders of the Company as of the Record Date must continuously hold such shares of Imperial Petroleum common stock and Imperial Petroleum’s Warrants through and including the Distribution Date in order to receive shares of C3is Inc. in the spin-off.

ATHENS, GREECE, May 8, 2023 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating results for the first quarter ended March 31, 2023.

OPERATIONAL AND FINANCIAL HIGHLIGHTS